belimo wiring

27
Wiring Guide ® INDEX I. BASIC ELECTRICITY A. Abbreviations .........................................................................................................................3 B. Current ...................................................................................................................................3 C. Voltage ...................................................................................................................................3 D. Resistance .............................................................................................................................3 E. Ohm’s Law .............................................................................................................................3 F. Power .....................................................................................................................................3 G. Power Calculations ................................................................................................................3 H. Series Connection of Resistors ..............................................................................................4 I. Parallel Connection of Resistors ............................................................................................4 J. Impedance .............................................................................................................................4 K. Power Consumption ...............................................................................................................4 L. Wire Sizing .............................................................................................................................5 M. Multi-conductor Wire Types ...................................................................................................6 N. Ground Loops ........................................................................................................................6 II. UNDERSTANDING WIRING DIAGRAMS A. Electrical Symbols ..................................................................................................................7 B.Compatability of Different Power Supplies.............................................................................7 C. Connection of Actuators .........................................................................................................8 D. Long Distance Wiring ...........................................................................................................10 E. Wiring Mistakes ....................................................................................................................10 III. ANALOG OUTPUTS A. 2 to 10 V Analog Output .......................................................................................................11 B. Sourcing 4 to 20 mA Analog Output .....................................................................................11 C. Sinking 4 to 20 mA Analog Output .......................................................................................11 D. Parallel Operation ................................................................................................................12 E. Master-Slave Operation .......................................................................................................12 F. Remote Position Monitoring .................................................................................................12 G. One Output/Multiple Transformer .........................................................................................12 IV. WIRING DIAGRAMS FOR BELIMO PRODUCTS A. Spring Return, on/off ...........................................................................................................13 B. Non-Spring-Return on/off ....................................................................................................14 C. Floating Point ......................................................................................................................14 D. Proportional .........................................................................................................................16 E. Proportional Potentiometric Control ....................................................................................28 F. Auxiliary Switch Wiring .........................................................................................................19 G. Accessories: Mid position Switch, Feedback Potentiometer ..................................................................................20 Positioner, Range Controller ................................................................................................20 Input Rescaling Module, Analog to Digital Switch ................................................................20 Pulse Width Modulation Interface, Digital Position Indicator ................................................21 Transformer, Battery Backup Module ..................................................................................21 Resistor Kits .........................................................................................................................21 V. APPLICATIONS A. Wiring for Multiple Actuators on a Single Shaft ....................................................................22 B. Retrofit of Two Wire Thermostat Systems ...........................................................................24 C. Sequencing Two or More Actuators with One Control Signal ..............................................24 D. Special Control Range Applications .....................................................................................25 E. Floating Point Control Using Proportional Spring Return Actuators.....................................26 F. Operating Two 2 to 10 VDC Actuators with the Higher of Two Control Signals...................26 G. Minimum Position with 0 to 10 VDC Actuators.....................................................................26 H. Wiring to Johnson Controls A350P Controller ......................................................................26 I. Wiring to Honeywell T775 Controller ....................................................................................27 J. Wiring to Barber Colman TP8100 Controller ........................................................................28 © 1998 Belimo Aircontrols (USA), Inc.

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Manual for Belimo Actuators

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Page 1: Belimo Wiring

Wiring Guide®

INDEX

I. BASIC ELECTRICITYA. Abbreviations .........................................................................................................................3 B. Current ...................................................................................................................................3C. Voltage ...................................................................................................................................3D. Resistance .............................................................................................................................3E. Ohm’s Law .............................................................................................................................3F. Power .....................................................................................................................................3G. Power Calculations ................................................................................................................3H. Series Connection of Resistors..............................................................................................4I. Parallel Connection of Resistors ............................................................................................4J. Impedance .............................................................................................................................4K. Power Consumption...............................................................................................................4L. Wire Sizing .............................................................................................................................5M. Multi-conductor Wire Types ...................................................................................................6N. Ground Loops ........................................................................................................................6

II. UNDERSTANDING WIRING DIAGRAMSA. Electrical Symbols..................................................................................................................7B.Compatability of Different Power Supplies.............................................................................7C. Connection of Actuators.........................................................................................................8D. Long Distance Wiring ...........................................................................................................10E. Wiring Mistakes....................................................................................................................10

III. ANALOG OUTPUTSA. 2 to 10 V Analog Output.......................................................................................................11B. Sourcing 4 to 20 mA Analog Output.....................................................................................11C. Sinking 4 to 20 mA Analog Output .......................................................................................11D. Parallel Operation ................................................................................................................12E. Master-Slave Operation .......................................................................................................12F. Remote Position Monitoring .................................................................................................12G. One Output/Multiple Transformer.........................................................................................12

IV. WIRING DIAGRAMS FOR BELIMO PRODUCTSA. Spring Return, on/off ...........................................................................................................13B. Non-Spring-Return on/off ....................................................................................................14C. Floating Point ......................................................................................................................14D. Proportional .........................................................................................................................16E. Proportional Potentiometric Control ....................................................................................28F. Auxiliary Switch Wiring.........................................................................................................19G. Accessories:

Mid position Switch, Feedback Potentiometer..................................................................................20Positioner, Range Controller ................................................................................................20Input Rescaling Module, Analog to Digital Switch................................................................20Pulse Width Modulation Interface, Digital Position Indicator ................................................21Transformer, Battery Backup Module ..................................................................................21Resistor Kits .........................................................................................................................21

V. APPLICATIONSA. Wiring for Multiple Actuators on a Single Shaft ....................................................................22B. Retrofit of Two Wire Thermostat Systems ...........................................................................24C. Sequencing Two or More Actuators with One Control Signal ..............................................24D. Special Control Range Applications.....................................................................................25E. Floating Point Control Using Proportional Spring Return Actuators.....................................26F. Operating Two 2 to 10 VDC Actuators with the Higher of Two Control Signals...................26G. Minimum Position with 0 to 10 VDC Actuators.....................................................................26H. Wiring to Johnson Controls A350P Controller......................................................................26I. Wiring to Honeywell T775 Controller....................................................................................27J. Wiring to Barber Colman TP8100 Controller........................................................................28

© 1998 Belimo Aircontrols (USA), Inc.

Page 2: Belimo Wiring

Basic electricity®

3

I. BASIC ELECTRICITY

I-A. Abbreviations

DC = Direct CurrentAC = Alternating CurrentVDC = Direct Current VoltageVAC = Alternating Current Voltage

I-B. Current

A = AmperemA = Milliampere = Thousandths of an ampere. (Example: 12mA = 12/1000 = .012A)I = The symbol for current in mathematical formulas.

I-C. Voltage

V = Volt*mV = Millivolt = Thousandths of a volt. (Example: 5mV = 5/1000 = .005V)E = The symbol for voltage in mathematical formulas.

I-D. Resistance

Ω = Ohm = ResistancekΩ = Kilo ohm = Thousands of ohms. 1kΩ = 1,000ΩMΩ = Megohm = Millions of ohms. 1MΩ = 1,000kΩ = 1,000,000ΩR = The symbol for resistance in mathematical formulas.

I-E. OHM's Law

E = Voltage I = Current R = Resistance

E = I x R Example: I = 20mA, R = 500Ω Therefore, E = .020 x 500 = 10V

R = E/I Example: E = 1.35V, I = 10mA Therefore, R = 1.35/.010 = 135Ω

I = E/R Example: E = 120V, R = 50Ω Therefore, 120/50 = 2.4A

I-F. Power

W = Watt*mW = Milliwatt = Thousandths of a watt (Example: 7mW = 7/1000 = .007W)kW = Kilowatt = Thousands of watts (Example: 1kW = 1,000W)

I-G. Power Calculations

W = E x I Example: V = 24V, I = 260mA Therefore, W = 24 x .260 = 6.24W

W = R x I2 Example 1: R = 100Ω, I = 3AW = 100 x 32 = 100 x 3 x 3 = 900W

Example 2: R = 500Ω, I = 20mA = .020AW = 500 x .0202 = 500 x .020 x .020 = 500 x .0004 = .2W or 200mW.

W = E2/R Example: V = 24V, R = 100, Therefore, W = 242/100 = 24 x 24/100 = 5.76W

* I.S.O. standard indicates “U” be used for voltage and “P” for power.

Page 3: Belimo Wiring

Basic electricity®

4

I-H. Series Connection of Resistors

Resistors that are connected in series have a total resistance value that is equal to the sum of all the resistance values of the resis-tors.

Example: R1 = 200Ω R2 = 250Ω R3 = 1.0kΩ RTotal = R1 + R2 + R3 = 200Ω + 250Ω + 1.0KΩ = 1.45kΩ

I-I. Parallel Connection of Resistors

If all the resistors have the same resistance value, the total resistance will be equal to the resistance value of one resistor divided bythe number of resistors.

Example: Five equal resistors R = 100k are connect-ed in parallel. The total resistance RTotal = R/5 = 100/5 = 20k

If the resistors that are connected in parallel have different values, the following formula must be used:

Example: R1 = 200 R2 = 250 R3 = 1.0k

I-J. Impedance

The expression “impedance” is used in the BELIMO literature in the following way:• Input impedance: The input circuit of a control device, based on its circuitry, has a certain electrical resistance. The value of

this resistance determines how much current the device will draw from the controller. This value must be taken into considera-tion when connecting any device to a controller output. Example: “Input impedance 100 kΩ.” This means that the DC resis-tance between the input (Y or Y1) and common (COM) is 100 kΩ (100,000 ohm). When the signal is 10 VDC, using Ohm’sLaw (I=E/R), the current draw on the output of the controller will be (10V/100,000 Ω) = .0001A = .1 mA for each actuator that isconnected to the signal. The combined input impedance must be higher than the controller output impedance.

• Output impedance: The output of a controller has a limited amount of current capacity to supply to the devices it is control-ling. The capacity can be given in one of 2 ways. One way is by stating it as “Maximum output current .2 mA.” The other is bygiving its output impedance. The output impedance must always be lower than the combined input impedance of the devicesbeing controlled.Example I: “Output impedance 1000Ω minimum.” This means that the combined input impedance of the devices being con-trolled must be greater than 1000Ω.Example II: “Maximum output current .2 mA.” Based on a 0 to 10 VDC control signal, the output impedance would be equal toR=E/I or (10V)/(.0002A) = 50kΩ

In general, the higher the input impedance, the lower the current draw, therefore less strain on the controller output. The lowerthe output impedance, the more current available; the more current available, the more devices can be controlled.

I-K. Power Consumption (W) / Volt Amperes (VA)

When a device is powered with direct current (DC), or alternating current (AC) into a pure resistive load (bulb, heater, etc.), the ratedpower consumption is watts (W) and is the product of the current (I) and voltage (E), (W = E x I).

R1R TOTAL R2 R3

100k 100k 100k 100k 100kR TOTAL = 20k

R1=200Ω R TOTAL = 1.45kΩR2=250Ω R3=1.0kΩ

The total resistance is always larger than the largest single resistor!

1 1 1 1_______ = ____ + ____ + ____R1 R2 R3RTOTAL

1 1 1 1_______ = ____ + ____ + ____200 250 1000RTOTAL

RTOTAL RTOTAL = 100Ω= 100Ω

.005 + .004 + .001 = .01

1

.01

=

=The total resistance is always smaller thanthe smallest single resistor!

Page 4: Belimo Wiring

Basic electricity®

5

When an actuator is powered with alternating current (AC), the actual power consumption in watts (W) inside the actuator will remainthe same. However, due to the inductive and capacitive character of the load, a shift between current and voltage occurs (phaseshift). This results in an “apparent” power consumption, which is higher than the actual power consumption. The “apparent” powerconsumption is expressed in volt-amperes (VA), which is the product of AC volts and the current (VA = V x I x efficiency.)

The size of a transformer is expressed in volt-amperes (VA) and not in watts (W). The VA rating of a transformer must beat least as large as the combined VA rating of all the actuators connected to the transformer.

Example: Actuator AM24 US. Power consumption: 2.5 W. Transformer sizing: 4.5 VA

If five (5) AM24 US are connected to one transformer, the VA rating of the transformer must be 5 x 4.5 VA = 22.5 VA, or larger.

It is better to use a number of small transformers than one large one.

The Belimo products are designed to be powered from Class II transformers for UL applications. These transformers haveinternal power limitation. A Class II transformer must not provide more than 30 V and no more than 100 VA output. Do notuse a Class I transformer and fuse, because it does not constitute a Class II power source!

I-L . Wire SizingUsing the correct wire size is importantwhen long wire runs are used. Using toosmall of a wire increases the resistivelosses of the run. The result of this maybe too low of a voltage at the actuator tooperate corrrectly. The above chart canbe used to determine the correct wiresize to use for an application.

Example I: Three AM24-SR US actua -tors are powered from the same wire.The wire run is 100 feet.

Step #1. Calculate the total powerrequired.The AM24-SR US requires 5VA, 3 actuators are beingused. 3 x 5 = 15 VA Total.

Step #2. Locate 15 VA on the verticalaxis of the chart and 100 feeton the horizontal axis.

Step #3. Find the intersection of 15VAand 100 Ft (Point “A”)

Step #4. Read the diagonal line to theright of point “A”. It is the 18ga. wire gauge line. Use 18ga. or larger wire.

Note: A low gauge number = a thicker wire; A high gauge number = a thinner wire.

Example II: The maximum wire length for a 10 VA power consumption using different wire gauges.

Point “B” 22 Ga Max. 60 FT Point “E” 16 Ga Max. 350 FTPoint “C” 20 Ga Max. 120 FT Point “F” 14 Ga Max. 550 FTPoint “D” 18 Ga Max. 220 FT Point “G” 12 Ga Max. 900 FT

Chart 1

100908070

60

50454035

30

25

20

15

1098

7

6

5

4

3

2

1.5

1

15 20 25 30 35 40 45 50 60 70 80 90 125

150

200

250

300

350

400

450

500

600

700

800

900

1000

1250

1500

2000

FT

WIR

E

VA

47 Ft

100

Ft

Example II

A

B C D E F G

12Ga

14Ga

16 Ga

18 Ga

20 Ga

22 Ga

Example I 15 V A

Page 5: Belimo Wiring

Basic electricity®

6

I-M. Multi-Conductor Wire Types

• “BELL WIRE” has parallel wires, which may act as an antenna and is therefore sensitive to elec-trical noise. This type of wire should not be used for control circuits.

• “TWISTED PAIR” cancels out most of the electrical noise because the wires alternate their posi-tions. This is the type of wire that is used for most control circuits.

• “SHIELDED WIRE” is a twisted pair that is surrounded by a metal foil or wire mesh which acts asa shield and prevents electrical noise from reaching the wires inside.

Shielded wires are used for the BELIMO actuators only if the electrical noise is very severe. Normally twisted pairs are sufficient.Remember! The shield must be grounded in one point only!

I-N. Ground Loops

If a shield is grounded at both ends of a shielded wire, a ground loop is created. Ground loops will defeat the purpose of shielding,and aggravate the electrical noise problem.

Ground loops can also be created by using more than one wire for signal common (COM ⊥ ). The (-) signal common terminals onthe controller are usually interconnected. Therefore, a ground loop is formed when two or more signal common terminals of the con-troller are wired to the same transformer. (See Fig. 11-5 and 11-6, page 11.)

Signal common (COM ⊥ ) is necessary, as a reference, but only one connection should be used.

Redundant signal common terminals should not be connected.

A ground loop acts as an antenna and will pick up electrical noise. This should be avoided, by using the correct wiring practice.

BELL WIRE

TWISTED PAIR

SHIELDED WIRE

SHIELDED WIRE

SHIELDED WIRE

SHIELDED WIRE

GROUND IN ONE POINT ONLY!(CONNECT THE SHIELD TO GROUND)

GROUND ONE END ONLY! AT EACH JOINT, THE SHIELD HAS TO BE GROUNDED. (BUT IN ONE END ONLY!)

THIS IS WRONG! THE SHIELD MUST BE GROUNDED IN ONE END ONLY, OTHERWISE THERE WILL BE A GROUND LOOP.

GROUND LOOP!

Page 6: Belimo Wiring

Understanding wiring diagrams®

7

II-B. Compatability of Different Power Supplies

Power Supply with Half-Wave Rectifier

Half-wave rectifiers offer the advantage of using the same connectionfor the AC common and DC common. Therefore, the common of dif-ferent devices using half-wave rectifiers can be interconnected anduse the same power source.

Some devices, typically DDC controllers, have full-wave rectifiers. In this case, always use a separate transformer for the controller.

Power Supply with Full-Wave Rectifier

Full-wave rectifiers provide more current capacity. Their disad-vantage is that the AC and DC sides cannot be interconnected.

Every device which has a full-wave rectifier must be poweredfrom its own separate transformer, if the COM ⊥ wire is connect-ed to the Common of other devices.

Note: If a device with a full-wave rectifier is powered from the same transformer as a device with a half-wave rectifier, a short cir -cuit will result if the commons (COM ⊥) are interconnected.

The Belimo products use half-wave rectifiers. Therefore, they may be connected to the same transformer as long as all commons(COM ⊥ ) are connected to the same leg of the transformer. However, anytime actuators are connected to a controller a separatetransformer should be used for the controller power supply unless you know that the controller also uses a half-wave rectifier.

+ DC Voltage

COM ⊥

2

1

24 VAC

DIODE

CAPACITOR

DIODE

DIODE

DIODE

DIODE

CAPACITOR

+ DC Voltage

COM ⊥

24 VAC

II-A. Electrical Symbols

U.S. Electrical Symbols for Contacts International Symbols for Contacts

Traditional Electronic Symbols for Contacts Belimo Proportional Actuators- Wire Symbols and Numbers

If a feedback is available at the actuator, we recommend thatthis signal be brought back to the control panel. Even if it is notrequired for the control sequence, it is a useful signal to haveavailable for possible troubleshooting in the future.

N.O.(NORMALLY OPEN)

N.C.(NORMALLY CLOSED)

N.O. N.C.SWITCHING

NORMALLY OPEN NORMALLY CLOSED SWITCHING

NORMALLY OPEN NORMALLY CLOSED

SWITCHING TRI-STATEFLOATINGCENTER OFF

1

2

3

4

5

BELIMOACTUATOR

COMMON

24VAC POWER

0…10VDC SIGNAL

0…20V Phase-cut Signal

2…10VDC Feedback Signal

Not applicable for NM24 SR

and NM24 SRS

1

2

3

4

NM24 SRor

NM24 SRS

COMMON

24VAC POWER

0…10VDC SIGNAL

2…10VDC Feedback Signal

II. UNDERSTANDING WIRING DIAGRAMS

Page 7: Belimo Wiring

Understanding wiring diagrams®

8

II-C. Connection of Actuators

0 to 10 V Control Signals

Signal Loss

Due to the high input impedance (100kΩ) of the actuators, the current through the signal wire is very low.Therefore, the loss of signal will be negligible, even if with long wire runs.Example: Three actuators are connected via a 330 ft. (100 meters) long pair of 22 Ga. wires. Each wire has aresistance of 5Ω.The current draw from each actuator is (I = E/R) 10/100,000 = 0.1 mA, when the signal is 10 VDC.The current in the wire will be 3 x 0.1 = 0.3 mA. Because 2 wires, the Common and the Source, go to the actuator,the resistance in the wires is 2 x 5Ω = 10Ω. The loss of signal will be (E = R x I) 10 x 0.3 = 3 mV = -.003V.

4 to 20 mA Control Signals

The controller will regulate the output current (signal) to the desired value, regardless of the resistance (up to a specified value) inthe wires and the load resistor.

The resistance in the wires will only cause the output voltage of the controller to be slightly higher than the input of the actuators.The advantage with a 4 to 20 mA output signal to the actuators is that wire resistance does not cause any error to the control signal,and that electrical interference is rejected.

The input impedance of the actuators will reduce the resulting resistance of the load resistor. However, the error is so small thatthere is no need to compensate for this by using a slightly higher resistance value. A 500Ω load resistor will give an adequate accu-racy. Use a 499Ω, 1%, 1/2w resistor or two 1kΩ, 1%, 1/4 w resistors in parallel.

TRANSFORMER

CONTROLLERAnalog Output Board

4 to 20mALOAD

RESISTOR

4 to 20mA3

2

1

3

2

1

3

2

1

(+)

(–)

(+)

(–)

500Ω

CO

M ⊥

24 VA

C

HO

T ~

LINE

L I N E

ALWAYS USE A SEPARATE TRANSFORMER FOR THE CONTROLLER UNLESS YOU KNOW A HALF-WAVE RECTIFIER IS USED!

BELIMO*ACTUATOR

BELIMO*ACTUATOR

BELIMO*ACTUATOR

TRANSFORMER

ALWAYS USE A SEPARATE TRANSFORMER FOR THE CONTROLLER UNLESS YOU KNOW A HALF-WAVE RECTIFIER IS USED!

CONTROLLERAnalog Output Board

0 to 10V

I = .3 mA

330 ft., 22 Ga.(+)

(–)

(+)

(–)C

OM

24 VA

C

HO

T ~

3

2

1

3

2

1

3

2

1

BELIMOACTUATOR

LINE

L I N E

10 V

10.0 - .003 = 9.997 V

BELIMOACTUATOR

BELIMOACTUATOR

* up to 4 actuators may bewired to one load resistorwithout a signif icantrange shift.

Page 8: Belimo Wiring

Understanding wiring diagrams®

9

Fig. II-3 Multiple Outputs to Multiple Actuators Using 2 Transformers for Actuators

**

* USE ONLY ONE CONNECTION BETWEEN COMMON ON THE CONTROLLER AND THE COMMON OF A GROUP OF ACTUATORS POWERED BY ONE TRANSFORMER! (REFER TO FIG. 11 - 5 FOR A COMMON WIRING MISTAKE.).

EACH ACTUATOR OR GROUP OF ACTUATORS POWERED BY A SEPARATE TRANSFORMER NEEDS TO BE CONNECTED TO COMMON ON THE CONTROLLER.

TRANSFORMER

CO

M ⊥

24 VA

C

HO

T ~

(+)

(–)

OUTPUT 2

OUTPUT 3

OUTPUT 4

CONTROLLERAnalog Output Board

0 to 10 V

(+)

OUTPUT 1

*

**

(+)

(–)

(+)

(–)⊥

TRANSFORMER

CO

M ⊥

24 VA

C

HO

T ~

3

2

1

3

2

1

3

2

1

3

2

1

COM ⊥

0 to 10 V

0 to 10 V

0 to 10 V

COM ⊥

0 to 10 V

LINE

ALL THE COMMON ON THE CONTROLLER ARE ASSUMED TO BE INTERNALLY CONNECTED.

L I N E

L I N E

(–)

(+)

(–)

ALWAYS USE A SEPARATE TRANSFORMER FOR THE CONTROLLER UNLESS YOU KNOW A HALF-WAVE RECTIFIER IS USED!

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

Fig. II-1 Single Output to Single Actuator

CONTROLLERAnalog Output Board

COM ⊥

0 to 10 V 3

2

1

(+)

(–)

(+)

(–)

CO

M ⊥

24 VA

C

HO

T ~

LINE

TRANSFORMER

L I N E

ALWAYS USE A SEPARATE TRANSFORMER FOR THE CONTROLLER UNLESS YOU KNOW A HALF-WAVE RECTIFIER IS USED!

BELIMOACTUATOR

Fig. II-2 Multiple Outputs to Multiple Actuators Using 1 Transformer forActuators

3

2

1

ALL THE COMMONSON THECONTROLLER AREASSUMED TO BEINTERNALLYINTERCONNECTED.

(+)

TRANSFORMER

CONTROLLERAnalog Output Board

0 to 10 V

(+)

CHECK THE WIRE LENGTH/SIZINGSEE SECTION 1-L..

3

2

1

CO

M ⊥

24 VA

C

HO

T ~

(–)

3

2

1

(–) COM ⊥

0 to 10 V

HOT ~

COM ⊥

0 to 10 V

HOT ~

LINE

L I N E

ALWAYS USE A SEPARATETRANSFORMER FOR THECONTROLLER UNLESS YOUKNOW A HALF-WAVERECTIFIER IS USED!

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

Modulating Control Signal Wiring

Page 9: Belimo Wiring

Understanding wiring diagrams®

10

Fig. II-4

COM ⊥

(+)

(–)

0 to 10 V

OUTPUT 2

OUTPUT 3

CONTROLLERAnalog Output Board

0 to 10 V

(+)

(–)

(+)

(–)

OUTPUT 1

0 to 10 V

0 to 10 V

**

* JUNCTION BOX

3

2

1

3

2

1

3

2

1

COM ⊥

24 VAC

HOT ~

TRANSFORMER

LINE

ALL THECOMMON ONTHECONTROLLERARE ASSUMEDTO BEINTERNALLYCONNECTED.

LINE

ALWAYS USE A SEPARATETRANSFORMER FOR THECONTROLLER UNLESS YOUKNOW A HALF-WAVERECTIFIER IS USED!

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

THESE WIRES SHOULD BE RELATIVELYSHORT, BECAUSE THE WIRES BETWEENTHE JUNCTION BOX AND THEACTUATORS CARRY AC POWER.SEE SECTION I-L FOR WIRE SIZING.

THESE WIRES CAN BE LONG BECAUSETHE WIRES BETWEEN THE CONTROLLERAND THE JUNCTION BOX CARRY A VERYLOW LOAD (SEE SECTION IIC “SIGNALLOSS”. THEREFORE, THE WIRE LENGTHAND SIZE IS OF NO CONCERN.

(MAKE CERTAIN THAT A SUFFICIENTNUMBER OF WIRES ARE AVAILABLE.ESPECIALLY IN THE CABLE BETWEENTHE CONTROLLER AND THE JUNCTIONBOX. IT IS PRUDENT TO HAVE A FEWEXTRA WIRES, JUST IN CASE.)

*

**

II-D. Long Distance Wiring

Fig. II-5 A Common Wiring Problem

(+)

(+)

OUTPUT 2

OUTPUT 3

CONTROLLERAnalog Output Board

0 to 10 V

(+)

OUTPUT 1

0 to 10 V

0 to 10 V

*

*

GROUNDLOOP

CO

M ⊥

24 VA

C

HO

T ~

TRANSFORMER

(–)⊥

(–)⊥

⊥(–)

3

2

1

3

2

1

3

2

1

GROUNDLOOP

L I N E

LINE

ALL THECOMMON ONTHECONTROLLERARE ASSUMEDTO BEINTERNALLYCONNECTED.

COM ⊥

ALWAYS USE A SEPARATETRANSFORMER FOR THECONTROLLER UNLESS YOUKNOW A HALF-WAVERECTIFIER IS USED!

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

* DO NOT CONNECTREDUNDANTCOMMON WIRES!Wiring in this manner willcause ground loops. Also,there will be a short if theconnections to terminals #1and #2 on one of the actuatorsare crossed by mistake. Thismay damage the controller,actuator or transformer.

II-E. Wiring Mistakes

Fig. II-6 Correct Wiring

(+)

(+)

OUTPUT 2

OUTPUT 3

CONTROLLERAnalog Output Board

0 to 10 V

(+)

OUTPUT 1

0 to 10 V

0 to 10 V

CO

M ⊥

24 VA

C

HO

T ~

TRANSFORMER

(–)⊥

(–)⊥

⊥(–)

3

2

1

3

2

1

3

2

1

L I N E

LINE

ALL THE COMMONON THECONTROLLERARE ASSUMED TOBE INTERNALLYCONNECTED.

COM ⊥

0 to 10 V

ALWAYS USE A SEPARATETRANSFORMER FOR THECONTROLLER UNLESS YOUKNOW A HALF-WAVERECTIFIER IS USED!

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

Wiring in this manner givesthe following advantages:

Ground loops are eliminated.

The number of wires isreduced.

If wires #1 and #2 of anactuator are crossed bymistake, the actuator will notwork properly but no damagewill occur. Resolve theproblem by rewiring in thecorrect manner.

••

Page 10: Belimo Wiring

Analog outputs®

11

III. ANALOG OUTPUTS

III-A. 2 to 10 Volt Analog Output

The controller produces a variable voltage between signal common and the analog output.

The signal common (wire #1) of the actuator must be connected to the signal common of the controller, and the output of the con-troller is connected to actuator signal input (wire #3).

III-B. Sourcing 4 to 20 mA Analog Output

A sourcing 4 to 20mA analog output sends out a current tothe actuator, and receives it at the signal common terminal.

It is similar to a 0 to 10 V output. The only difference is thatone 500Ω resistor has to be installed between wires #3 and#1 at the actuator. The resistor converts the current (4 to 20mA) to a 2 to 10 V signal. The resistor should be located atthe actuator.

III-C. Sinking 4 to 20 mA Analog Output

A sinking 4 to 20 mA output uses a different logic to create acontrol signal. In both a 0 to 10 VDC and sourcing 4 to 20mA application, the signal is regulated at the positive (+)source of the signal. In a sinking application the signal is reg-ulated between the device being controlled and common.For this reason, the term “Output” in a sinking application issometimes confusing.

The controller has one terminal that supplies a constant DCvoltage (often +24V). The input of the actuators (wire #3) areconnected to the constant voltage. A 500Ω resistor is con-nected between wires #1 and #3 on one actuator connectedto each output. (One resistor for each output.) Terminal #1on the actuator is connected to the output of the controller.

The current will run from the constant voltage on the con-troller, to wire #3 on the actuator, through the 500 Ω resistor,to wire #1, and back to the input of the controller.

From the controllers point of view, all the #3 terminals of theactuators are at a “common” constant +24VDC. The signalcommon, wire #1, of the actuators will vary with the controlsignal.

Because the signal common of the actuators is variable, eachoutput requires a separate transformer. The signal commonof actuators connected to different outputs must never beinterconnected. (See note ** in the wiring diagram)

Fig III-1

Con

trol

Out

put

Sourcing 4 to 20 mA

LINE

It is possible to use onetransformer, for actuatorsconnected to different outputs.(Connect #1 of one actuator tominus (COM) on the controller.)

Each transformer needs to beconnected (via wire #1 of oneactuator) to minus (COM) onthe controller.

Only one 500Ω resistor shouldbe used for multiple actuatorswired in parallel. Up to fouractuators may be wired inparallel to the 500Ω resistor.

*

**

***

(+)

(–)

3

2

1

(+)

(–)

4 to 20 mA

COM ⊥

**

LOADRESISTOR500Ω, 0.5W

TRANSFORMER#2

CO

M ⊥

24 VA

C

HO

T ~

L I N E

+

(+)

(–)

3

2

1

(+)

(–)

4 to 20 mA

LOADRESISTOR500Ω, 0.5W

TRANSFORMER #1

CO

M ⊥

24 VA

C

HO

T ~

L I N E

+

(+)

(–)

3

2

1

(+)

(–)

4 to 20 mA

COM ⊥

OUTPUT 1 LOADRESISTOR500Ω, 0.5W+

3

2

1

***

OUTPUT 2

OUTPUT 3

ALWAYS USE A SEPARATETRANSFORMER FOR THECONTROLLER UNLESS YOUKNOW A HALF-WAVERECTIFIER IS USED!

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

*

Fig. III-2 Sinking 4 to 20 mA

+

HOT ~

24 VAC

COM ⊥

3

2

1

3

2

1

3

2

1

Sinking 4 to 20mA

ControllerPOWERSUPPLY+ 24V DC(Typically)

4 to 20 mA

4 to 20 mA

Transformer #1

Transformer #2

*

**

500

Ω50

0 Ω

2 to 10V

+

SINKINGOUTPUT 2

SINKINGOUTPUT 1

(–) (+)

LINE

L I N E

LINE

ALWAYS USE A SEPARATETRANSFORMER FOR THECONTROLLER UNLESS YOUKNOW A HALF-WAVERECTIFIER IS USED!

BELIMOACTUATOR

BELIMOACTUATOR

BELIMOACTUATOR

HOT ~

24 VAC

COM ⊥

It is possible to connect two or more actuators to one transformer,provided that the actuators are served by the same output.

Each output requires its own transformer.

*

**(If actuators which are connected to different sinking outputs arepowered, by mistake, from the same transformer, all the actuatorswill respond to the average of the output signals. This can bevery deceptive, because when one output signal is changed thecorresponding actuator will move, giving the false impression thatthe system works. The problem is that the other actuators willalso move, although they belong to other control loops. Forexample: Instead of operating the heating and cooling valvesand dampers in sequence, the valves and dampers will operateat the same time, which is the wrong control sequence.)

Page 11: Belimo Wiring

Analog outputs®

12

III-D. Parallel Operation III-E. Master-Slave operation

III-F. Monitoring feedback with a remote indicator

III-G. One Output/Multiple Transformers

Fig III-3

COM ⊥

L I N E

(+)

(–)(+)

(–)

5

4

3

2

1

Output 5 used to parallel a 2nd actuator.

Direct and reverse acting are possible.

5

4

3

2

1

TRANSFORMER

CO

M ⊥

24 VA

C

HO

T ~

(+)

(–)

Input

Output

COMLINE

CONTROLLERFeedback

(Optional)

2 to 10 V

NOTE: Master-Slave operation should be used when it is important that one damper tracks the movement of another.

ALWAYS USE A SEPARATE TRANSFORMER FOR THE CONTROLLER UNLESS YOU KNOW A HALF-WAVE RECTIFIER IS USED!

BELIMOACTUATOR

BELIMOACTUATOR

Fig III-4

(+)

(–)(+)

(–)

5

4

3

2

1

5

4

3

2

1

TRANSFORMER

CO

M ⊥

24 VA

C

HO

T ~

(+)

(–)

Input

Output

COM

LINE

L I N E

COM ⊥

CONTROLLERFeedback

(Optional)

2 to 10 V

NOTE: The outputimpedance of thecontroller must beobserved.

ALWAYS USE ASEPARATETRANSFORMER FORTHE CONTROLLERUNLESS YOU KNOW AHALF-WAVE RECTIFIERIS USED!

BELIMOACTUATOR

BELIMOACTUATOR

Fig. III-5

(+)

(–)(+)

(–)

5

4

3

2

1

TRANSFORMER

CO

M ⊥

24 VA

C

HO

T ~

(+)

(–)

Input

Output

COM

Output wire 5 can be used as afeedback for true position indication.

COM

Input

PositionFeedbackMonitor

Note: NM24-SR wire 4 is signal out.Belimo T ypesAM, LF, LM, SM, GM, AF, NF, -SR Proportional

LINE

2 to 10 V

COM ⊥

L I N E

2 to 10 V

ALWAYS USE A SEPARATETRANSFORMER FOR THECONTROLLER UNLESS YOUKNOW A HALF-WAVERECTIFIER IS USED!

BELIMOACTUATOR

Fig. III-6

(+)

(–)(+)

(–)

TRANSFORMER

CO

M ⊥

24 VA

C

HO

T ~

(+)

(–)

Input

Output

COM

LINE

L I N E

COM ⊥

CONTROLLER

2 to 10 V3

2

1

CO

M ⊥

24 VA

C

HO

T ~

L I N E

3

2

1

3

2

1

CO

M ⊥

24 VA

C

HO

T ~

L I N E

3

2

1

3

2

1

3

2

1

ALWAYS USE A SEPARATE TRANSFORMER FOR THE CONTROLLER UNLESS YOU KNOW A HALF-WAVE RECTIFIER IS USED!

BELIMOACTUATORS

BELIMOACTUATORS

BELIMOACTUATORS

Note: If multiple actuatorsare on one shaft, seeSection V-A.

Note: If multiple actuatorsare on one shaft, seeSection V-A.

Note: If multiple actuatorsare on one shaft, seeSection V-A.

Page 12: Belimo Wiring

Wiring diagrams for Belimo products®

13

24 V

120/230 V

IV. WIRING DIAGRAMS FOR BELIMO PRODUCTS

IV-A. Spring Return On/Off Control

2

3

3

1

1

2

24 VAC Transformer

Line Volts

Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

Actuator may also be powered by 24 VDC.

2

3

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

Actuator may also be powered by 24 VDC.

1 Common

2 + Hot

AF24 USNF24 USLF24 US

2

3

1

1

2

6

4

4

5

6

24 VAC Transformer

Line Volts

1 Common

2 + Hot

NF24-S US

LF24-S US

NC

NO 5° to 85° (NF)0° to 95° (LF)

Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

Actuator may also be powered by 24 VDC.

For end position indication, interlock control, fan start-up, etc., NF24-SUS incorporates a built-in auxiliaryswitch: 1 x SPDT, 7A (2.5A) @250 VAC, UL listed,adjustable 5° to 85°.

Meets UL and CSA requirements without the need of anelectrical ground connection.

For end position indication, interlock control, fan start-up, etc., LF24-SUS incorporates a built-in auxiliaryswitch: 1 x SPDT, 6A (1.5A) @250 VAC, UL listed,adjustable 0° to 85°.

3

5

S1

S2

S3

2

3

1

1

2

4

4

5

24 VAC Transformer

Line Volts

1 Common

2 + Hot

AF24-S US

NC

5°NO

NC

25° to 85°NO

S1

S2

S3

S4

S5

S6

Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

Actuator may also be powered by 24 VDC.

For end position indication, interlock control, fan start-up, etc., AF24-S incorporates two built-in auxiliaryswitches: 2 x SPDT, 7A (2.5A) @250 VAC, UL listed,one switch is fixed at +5°, one is adjustable 25° to 85°.

Meets UL and CSA requirements without the need of anelectrical ground connection.

3

5

2

1

1

2

120 VAC(230 VAC for AF230)

Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

No ground connection is required.

Meets UL and CSA requirements without the need of anelectrical ground connection.

1 Neutral

2 Hot3

3

AF120 US/NF120 US

LF120 USAF230 US/LF230 US

L1 N

L2 H

4

4

1

120 VAC

L1 N

L2 H

2

3

1Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

No ground connection is required.

For end position indication, interlock control, fan start-up, etc., NF120-SUS incorporates a built-in auxiliaryswitch: 1 x SPDT, 7A (2.5A) @250 VAC, UL listed,adjustable 5° to 85°.

Meets UL and CSA requirements without the need of anelectrical ground connection.

For end position indication, interlock control, fan start-up, etc., LF120/230-SUS incorporates a built-in auxiliaryswitch: 1 x SPDT, 6A (1.5A) @250 VAC, UL listed,adjustable 0° to 85°.

4

5

6

2

6

4

1 Neutral

2 Hot

NF120-S US

LF120-S US

LF230-S US

NC

NO5° to 85°

3

5

S1

S2

S3

2

3

1

2

Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

No ground connection is required.

For end position indication, interlock control, fan start-up, etc., AF120/230-S incorporates two built-in auxil-iary switches: 2 x SPDT, 7A (2.5A) @250 VAC, ULlisted, one switch is fixed at +5°, one is adjustable 25°to 85°.

Meets UL and CSA requirements without the need of anelectrical ground connection.

1 Neutral

2 Hot

AF120-S USAF230-S US

NC

5°NO

NC

25° to 85°NO

S1

S2

S3

S4

S5

S6

1

120 VAC(230 VAC for AF230)

L1 N

L2 H

4

4

5

3

5

21 24 VAC Transformer

Line Volts

Blk (1) Common

Red (2) +

Wht (3) +

Wht (4) +

AF24-3 (-S) US

LF24-3 (-S) US

CCW CW

The indication of directionis valid for switch position CW.

a

a opena closed

3

Page 13: Belimo Wiring

Wiring diagrams for Belimo products®

14

On/Off Control GM, SM, NM, LM

IV-B. Non-Spring-Return On/Off Control

IV-C. Floating Point Control, Spring Return and Non-Spring-Return

Spring Return

On-Off Control of SM24-S US

On-Off Control of AM24 (-S) US

On-Off Control of LM24-S US

Auxiliary switches of AF24-3-S US

Auxiliary switches of LF24-3-S US

1

1

24 VAC Transformer

Line Volts

Provide overload protection and disconnect asrequired.

1 Common

2 +

3 +

Parallel connection of severalactuators is possible.

The indication of directionis valid for switch position A.

A

B

A

B

SM24 US

SMC24 US

2

2

3

3

4

4

1

1

24 VAC Transformer

Line Volts

Provide overload protection and disconnect as required.

Actuators with plenum rated cable do not have numberson wires; use color codes instead.

See special wiring diagrams for LM24-T US.

LM and NM actuators use a L/R switch to change rota-tion. SM and GM actuators use a A/B switch to changerotation.

1 Blk Common

2 Red +

3 Wht +

L R

The indication of direction isvalid for switch position R. (positionA on GM24 US and SM24-S US)

a

a opena closed

LM24 US

NM24 US GM24 US

A

B

2

3

1 Provide overload protection and disconnect as required.

Actuators may also be powered by 24 VDC

SPDT, 2A @24 VAC

2

1 24 VAC Transformer

Line Volts

1 Blk Common

2 Red +

3 Wht +

SM24-S US

The indicationof direction is valid forswitch position A.

a

a opena closed

2

3

1 Provide overload protection and disconnect as required.

Actuators may also be powered by 24 VDC

For end position indication, interlock control, fan startup,etc., LM24-S US incorporates a built-in auxiliary switch: 1x SPDT, 6A (2.5A) @24 VAC, UL listed, adjustable 0° to95°.

2

1 24 VAC Transformer

Line Volts

1 Blk Common

2 Red +

3 Wht +

LM24-S USL R

The indicationof direction is valid forswitch position R.

a

a opena closed

NC

0° to 95°NO

S1

S2

S3

12

424 VAC Transformer

Line Volts

Blk (1) Common –

Wht (2) +

Wht (3) +

AM24 (-S) US

CCW CW

The indication of directionis valid for switch position CW.

aa opena closed

3

4

2

1 Provide overload protection and disconnect as required.

Actuators may also be powered by 24 VDC

For end position indication, interlock control, fan startup,etc., AM24-S US incorporates two built-in auxiliary switch-es: 2 x SPDT, 6A (1.5A) @250 VAC, UL listed,adjustable between 0° and 95°.

Meets UL and CSA requirements without the need of an electrical ground connection.

CCWCW

stop

a(3)

b(4)

stop stop stop

Installation Side

Direction of Rotation Switch

xxxx

xxxx

xx

xx

xx

xx

xxx

xxxx

xxxx

xx

xx

xx

xx

xxx

CWCCWSwitch

Positions

CCWCW CCWCW

stop

a(3)

b(4)

stop stop stop

Installation Side

Direction of Rotation Switch

xxxx

xxxx

xx

xx

xx

xx

xxx

xxxx

xxxx

xx

xx

xx

xx

xxx

CWCCWSwitch

Positions

CCWCW

Floating point control of AF24-3 (-S) US Floating point control of LF24-3 (-S) US

3 21 24 VAC Transformer

Line Volts

Blk (1) Common

Red (2) +

Wht (3) +

Wht (4) +

AF24-3 (-S) US

CCW CW

The indication of directionis valid for switch position CW.

2

3

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

May also be powered by 24 VDC.

2

3

4

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

May also be powered by 24 VDC.

Actuators with plenum rated cable do not have numbers onwires; use color codes instead.

3 21 24 VAC Transformer

Line Volts

Blk (1) Common

Red (2) +

Wht (3) +

Grn (4) +

LF24-3 (-S) US

CW CCW

The indication of directionis valid for switch position CW.

4

a

b

LF24-3-S US

NC

0° to 95°NO

S1

S2

S3

1

1

1 For end position indica-tion, interlock control,fan startup, etc., AF24-3-SUS incorpo-rates two built-in auxil-iary switches: 2 xSPDT, 7A (2.5A) @250VAC, UL listed, oneswitch is fixed at +5°,one is adjustable 25° to85°.

For end position indica-tion, interlock control,fan startup, etc., LF24-S US incorporatesa built-in auxiliaryswitch: 1 x SPDT, 6A(1.5A) @250 VAC, ULlisted, adjustable 0° to85°.

AF…-S US

NC

5°NO

S1

S2

S3

NC

25° to 85°NO

S4

S5

S6

1

3

80°

10°

6 5

4

3

Page 14: Belimo Wiring

Wiring diagrams for Belimo products®

15

Standard Floating Point Control

Non-Spring Return

Floating Point Control of LM24-T US

Floating Point Control of LM24-S US

Floating Point Control of AM24 (-S) US

1

1

24 VAC Transformer

Line Volts

Provide overload protection and disconnect asrequired.

1 Common

2 +

3 +

Parallel connection of severalactuators is possible.

The indication of directionis valid for switch position A.

stop

A

B

SM24 US

SMC24 US

GM24 US

2

2

3

3

1

1

24 VAC Transformer

Line Volts

Provide overload protection and disconnect as required.

Actuators with plenum rated cable do not have numberson wires; use color codes instead.

See special wiring diagrams for LM24-T US.

1 Blk Common

2 Red +

3 Wht +

L R

The indication of directionis valid for switch position R.

stop

LM24 US

NM24 US

4

2

3

3

4

1 Provide overload protection and disconnect as required.

Actuators may also be powered by 24 VDC

The LM24-TUS actuator has terminals instead of wires.

The LM24-T US actuator does not have a direction ofrotation switch.

21 24 VAC Transformer

Line Volts

1 Common

2 +

3 +

LM24-T US

Swapping wires 2, 3 changes thedirection of rotation.

Stop

2

1 Provide overload protection and disconnect as required.

Actuators may also be powered by 24 VDC

2

1 24 VAC Transformer

Line Volts

1 Blk Common

2 Red +

3 Wht +

LM24-S USL R

The indicationof direction is valid forswitch position R.

a opena closed

NC

0° to 95°NO

S1

S2

S3

Stop

3

4

2

1 Provide overload protection and disconnect as required.

Actuators may also be powered by 24 VDC

For end position indication, interlock control, fan startup,etc., AM24-S US incorporates two built-in auxiliary switch-es: 2 x SPDT, 6A (1.5A) @250 VAC, UL listed,adjustable between 0° and 95°.

Meets UL and CSA requirements without the need of an electrical ground connection.

AM24 (-S) US

CCW CW

1 42

24 VAC Transformer

Line Volts

The indication of directionis valid for switch position CW.

Blk (1) Common –

Wht (2) +

Wht (3) +

Floating point control of AF24-3(-S) US and LF24-3(-S) US from triac

(Triac Source)

(Triac Sink)

(Triac Sink with Separate Transformers)24 VAC Transformer

Line Volts

Blk (1) Common

Red (2) + Hot

Wht (3) +

Wht (4) +/Grn

AF24-3 (-S) US

LF24-3 (-S) US

Hot COM

Controller

CCW CW

2

6

1

The indication of directionis valid for switch position CW.

24 VAC Transformer

Line Volts

Hot COM

Controller

2

6

1

Blk (1) Common

Red (2) + Hot

Wht (3) +

Wht (4) +/Grn

AF24-3 (-S) US

LF24-3 (-S) US

CCW CW

4

5

The indication of directionis valid for switch position CW.

24 VAC Transformer

Line Volts

24 VAC Transformer

Line Volts

Hot COM

Controller

1

1

Blk (1) Common

Red (2) + Hot

Wht (3) +

Wht (4) +/Grn

AF24-3 (-S) US

LF24-3 (-S) US

CCW CW

2

6

5

The indication of directionis valid for switch position CW.

2

3

4

5

6

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power consumption must be observed.

May also be powered by 24 VDC.

The Common connection from the actuator must be connected to the Hot connection of thecontroller.

The actuator Hot must be connected to the control board Common.

Actuators with plenum rated cable do not have numbers on wires; use color codes instead.AF… No. 4 wire is white; LF… No. 4 wire is green.

Page 15: Belimo Wiring

Wiring diagrams for Belimo products®

16

2 to 10 VDC Control Signal 0 to 20 VDC Control Signal (Staefa)4 to 20 mA Control Signal

IV-D. Proportional Control

Notes

24 VAC Transformer

2 to 10 VDC Feedback signal

Line Volts

Blk (1) Common

Red (2) + Hot

Wht (3) Y1 Input, 2 to 10 V

(4) Y2

Grn (5) U Output 2 to 10V

(–)(+)

24 VAC Transformer

Line Volts

Control Signal2 to 10 VDC

A

(–)(+)

Control Signal2 to 10 VDC

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

Override to zero position

A Open = 0 V PositionA Closed = Normal Operation

(–)

(+)

24 VAC Transformer

Line Volts

Control Signal2 to 10 VDC

B

C

D

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

Override to 10 V position

Standard Wiring

B Closed = 10 V PositionC Closed = Normal Operation

(–)(+)

24 VAC Transformer

Line Volts

Control Signal2 to 10 VDC

BC

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5

Override Open*

D Open = Normal OperationD Closed = 10 V Position * This method provides a simpler

method for full position override.

Cannot be used with the LM, NM, AM and NF Series actuators.

4

CCW(L) CW(R) A

B

2

3

1

5

(–)(+)

24 VAC Transformer

Line Volts

Control Signal4 to 20 mA

A

Blk (1) Common

Red (2) + Hot

Wht (3) Y1 Input, 2 to 10 V

(4) Y2

Grn (5) U Output 2 to 10V

A Open = 4 mA PositionA Closed = Normal Operation

B

C

B Closed = 20 mA PositionC Closed = Normal Operation

D

24 VAC Transformer

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5

Override Open*

Ω500Ω

1/2 watt

(–)(+)

Line Volts

Control Signal4 to 20 mA

Ω

500Ω1/2 watt

(–)(+)

24 VAC Transformer

Line Volts

Control Signal4 to 20 mA

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4

5

Override to zero position

Ω500Ω

1/2 watt

(–)

(+)

24 VAC Transformer

Line Volts

Control Signal4 to 20 mA

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4

5

Override to 20 mA position

Standard Wiring

Ω

500Ω1/2 watt

D Open = Normal OperationD Closed = 20 mA Position

Cannot be used with the LM, NM, AM and NF Series actuators.

* This method provides a simplermethod for full position override.

4

CCW(L) CW(R) A

B

2

6

3

1

5

24 VAC Transformer

2 to 10 VDC Feedback signalFeedback is only used if positive verification of the position isneeded.

Line Volts

Blk (1) Common

Red (2) + Hot

Wht (3) Y1 Input, 2 to 10 V

(4) Y2 Input, 0 to 20 V Ph.cut

Grn (5) U Output 2 to 10V

(–)

(+)

24 VAC Transformer

Line Volts

A

(–)

(+)

Control Signal0 to 20 V phasecut

(Staefa)

Control Signal0 to 20 V phasecut

(Staefa)

Control Signal0 to 20 V phasecut

(Staefa)

Control Signal0 to 20 V phasecut

(Staefa)

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2 Input, 0 to 20 V Ph.cut

5

Override to zero position

Standard Wiring

A Open = 0 V PositionA Closed = Normal Operation

(–)

(+)

24 VAC Transformer

Line Volts

B

C

D

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2 Input, 0 to 20 V Ph.cut

Override to 10 V position

B Closed = 10 V PositionC Closed = Normal Operation

(–)

(+)

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2 Input, 0 to 20 V Ph.cut

5

Override to 10 V position*

D Open = Normal OperationD Closed = 10 V Position * This method provides a simpler

method for full position override.

4

CCW(L) CW(R) A

B2

3

1

0 to 20 V control signal (Staefa) is only available on models SM24-SR, GM24-SR and AF24-SR.

2

3

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power consump-tion and input impedance must be observed.

Actuator may also be powered by 24 VDC.

SM and GM actuators use an A/B switch to change rota-tion. A = CW with an increase in signal; B = CCW with anincrease in signal.LM, and NM actuators use a L/R switch to change rota-tion. L = CW with an increase in signal; R = CCW with an increase in signal.LF, NF and AF actuators use a CW/CCW switch tochange direction. CW = clockwise with a decrease in sig-nal. CCW = counter clockwise with a decrease in signal.

Wire #4 is used for feedback on the NM24-SR.

ZG-R01 may be used.

Actuators are provided with color coded wires. Wirenumbers are provided for reference.

4

5

6

7

2

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption and input impedance must be observed.

Actuator may also be powered by 24 VDC.3

2 to 10 VDC control of LF24-SR(-S)-MP US

1

2

24 VAC Transformer

Line Volts

Blk (1) Common

Red (2) + Hot

Wht (3) Y1 Input, 6 to 9 V

Wht (4) Y1 Output 20 V

Wht (5) U Control Common

LF24-SR(-S)-MP US

Control Signal6 to 9 VDC

Power to Controller

Controller Common

3

CW CCW

(+)

(–)

Page 16: Belimo Wiring

Wiring diagrams for Belimo products®

17

Pulse Width Modulation control (PWM)

Start Point Span Adjustable (SRS)

2

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption and input impedance must be observed.

PWM signal is available in 3 ranges.

Control signal may be pulsed from either the Hot orCommon 24 VAC line.

4

3

2

4

3

1 24 VAC Transformer

2 to 10 VDCFeedback Signal

Line Volts

Blk (1) Common –

Red (2) Hot +

Wht (3) Y Input

Wht (5) U Output

AM24-PWM US

(–)(+)

CCW CW

2

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption and input impedance must be observed.

Actuator may also be powered by 24 VDC.

Control signal may be pulsed from either the Hot orCommon 24 VAC line.

The direction of rotation switch is also used to set the 3selectable control ranges.

4

5

3

2

4

5

1 24 VAC Transformer

2 to 10 VDCFeedback Signal

Line Volts

Blk (1) Common

Red (2) + Hot

Wht (3) Y Input

Wht (5) U Output

AF24-PWM US

3

(–)(+)

CW CCW

2

3

1

(COM)

(+)

24 VAC Transformer

Line Volts

PWM

Control SignalFeedback

Blk (1) Common

Red (2) + Hot

Wht (3) Y PWM InputGrn (4) U 2 to 10V Output

NM24-PWM US

L R

Pulse width modulation control of NM24-PWM US

Pulse width modulation control ofAM24-PWM US

Pulse width modulation control ofAF24-PWM US

2

2

3

4

3

1

4

1

(+)(+)

Controller Power Source

Line Volts

24 VACControl Signal

Feedback

Controller Common

Provide overload protection and disconnect as required.

Actuators are provided with color coded wires. Wire num-bers are provided for reference.

PWM range is selectable in 4 ranges

The feedback signal cannot be used if the analog input ofthe controller is referenced to the system ground.

Blk (1) Common

Red (2) + Hot

Wht (3) Y PWM InputGrn (4) U 2 to 10V Output

NM24-PWM US

L R

2

3

1

(+)(+)

Controller Power Source

Line Volts

Control SignalFeedback

Blk (1) Common

Red (2) + Hot

Wht (3) Y PWM InputGrn (4) U 2 to 10V Output

NM24-PWM US

L R

24 VAC

(Dry Contact) (Triac Source)

(Triac Sink)

5

4 to 20 mA control of NM24-SRS with 2to 10 VDC feedback output

21

3 4

(–)(+)

(–)(+)

24 VAC Transformer

Line Volts

4 to 20 mAControl Signal

2 to 10 VDCFeedback Signal

Blk (1) Common

Red (2) + Hot

Wht (3) Y InputGrn (4) U Output

L R

Ω500Ω

To OtherActuators

NM24-SRS US

Voltage control of NM24-SRS US

2

4

51

(–)(+)

24 VAC Transformer

Line Volts

Control Signal

Blk (1) Common

Red (2) + Hot

Wht (3) Y InputGrn (4) U Output

L RNM24-SRS US

5

2

1

3

4

Provide overload protection and disconnect as required.

Actuators are provided with color coded wires. Wire num-bers are provided for reference.

Connect actuator common (Wire 1) to Negative (–) leg ofcontrol circuits only.

The start point and span can be adjusted to sequencemultiple actuators from one control signal. Up to 4 actua-tors may be paralleled from 1 resistor.

Actuator and controller must have separate transformers.5

2

1

3

4

Provide overload protection and disconnect as required.

Actuators are provided with color coded wires. Wire num-bers are provided for reference.

Connect actuator common (Wire 1) to Negative (–) leg ofcontrol circuits only.

The start point and span can be adjusted to sequencemultiple actuators from one control signal. Up to 4 actua-tors may be paralleled from 1 resistor.

Actuator and controller must have separate transformers.

Page 17: Belimo Wiring

Wiring diagrams for Belimo products®

18

3

124 VAC Transformer

Line Volts

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 USSM24-SR90 US

135Ω

A

B

2

2

1

1

24 VAC Transformer

Line Volts

Line Volts

Provide overload protection and disconnect as required.

Actuator and controller must have separate transformers.

Consult controller instruction data for more detailedinstallation information.

To reverse control rotation, use the reversing switch.

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

Controller

3

4

4

4

W

R

B

3

A

B

Switch A Switch B Damper Position

Damper Open

Damper Closed

The direction of rotation switch is set so that the fail safe position and theposition of the damper is closed with no signal at wire R.

Override of AF24-SR95 US and SM24-SR94 US

2

2

1

1

24 VAC Transformer

Line Volts

Provide overload protection and disconnect as required.

Each actuator and controller must have separate transformers.

Consult controller instruction data for more detailedinstallation information.

Resistor value depends on the type of controller andthe number of actuators. No resistor is used for oneactuator. Honeywell resistor kits may also be used.

To reverse control rotation, use the reversing switch.

If AF24-SR95 US or SM24-SR94 US operates with othermodel actuators, the running time must be consideredin the design. Damage may occur due to over-pressur-ing of the duct work.

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

Series 90 Controller

3

4

5

6

3

W

R

B4

1

Line Volts

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

To otheractuators

3

ShuntingResistor

No. of actuators Resistance

2 140Ω3 71.5Ω4 47.5Ω5 37.5Ω6 28Ω

Resistor Kit No. ZG-R03

5

6

5

6

Wiring multiple actuators to a Series90 controller.

R W

2

2

1

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

3

W

B

Y

R

1Line Volts

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

To otheractuators

3

H205 Changeover Controller

W973, W7100Controller

ShuntingResistor

Occupied Contact

Honeywell T675AMorning Warmup

Q209A MinimumPosition

Potentiometer

B R W

W R B

4

5

6

5

6

No. of actuators Resistance

2 1300Ω3 910Ω4 768Ω

Resistor Kit No. ZG-R06

B R W

2

2

1

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

3

B

R

W

1Line Volts

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

To otheractuators

3

H205 Change-over Controller

Series 90Controller

ShuntingResistor

Occupied Contact

S963A Minimum Position

Potentiometer

R B W

2

1 Provide overload protection and disconnect as required.

Each actuator and controller must have separate transformers.

Consult controller instruction data for more detailedinstallation information.

Resistor value depends on the type of controller andthe number of actuators. No resistor is used for oneactuator. Honeywell resistor kits may also be used.

To reverse control rotation, use the reversing switch.

If AF24-SR95 US or SM24-SR94 US operates with othermodel actuators, the running time must be consideredin the design. Damage may occur due to over-pressur-ing of the duct work.

3

4

4

5

6

5

6

5

6

Wiring multiple actuators to a Series90 controller using a minimum positionpotentiometer.

4

2

2

1

1

24 VAC Transformer

Line Volts

Provide overload protection and disconnect as required.

Actuator and controller must have separate transformers.

Consult controller instruction data for more detailedinstallation information.

To reverse control rotation, use the reversing switch.

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

Series 90 low limit control135Ω for 0 to 50% control280Ω for 0 to 100% control

Series 90Controller

3

4

3

W

R

B

W B R

AF24-SR95 US and SM24-SR94 US usedwith a Seris 90 controller and a Series90 low limit control

2

2

1

1

24 VAC Transformer

Line Volts

Provide overload protection and disconnect as required.

Actuator and controller must have separate transformers.

Consult controller instruction data for more detailedinstallation information.

To reverse control rotation, use the reversing switch.

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

Series 90 high limit control - 280 Ω

Series 90Controller

3

4

4

3

W

R

B R W B

AF24-SR95 US and SM24-SR94 US usedwith a Seris 90 controller and a Series90 high limit control

2

2

1

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

3

W

R

B

1Line Volts

1 Common

2 + Hot

3 W (P1)

4 R (P2)

5 B (P3)

AF24-SR95 USSM24-SR94 US

To otheractuators

3

3

ShuntingResistor

HoneywellT675A Morning

Warmup

W973, W7100T775

Honeywell Q209A Minimum Position

Potentiometer

R B W

2

1 Provide overload protection and disconnect as required.

Each actuator and controller must have separate transformers.

Consult controller instruction data for more detailedinstallation information.

Resistor value depends on the type of controller andthe number of actuators. No resistor is used for oneactuator. Honeywell resistor kits may also be used.

To reverse control rotation, use the reversing switch.

If AF24-SR95 US or SM24-SR94 US operates with othermodel actuators, the running time must be consideredin the design. Damage may occur due to over-pressur-ing of the duct work.

3

4

4

5

6

5

6

5

6

R W

Typical wiring diagrams for multipleactuators used with the W973, W7100and T775 controllers.

Used with the W973 and W7100 controllers.

IV-E. Proportional Potentiometric Control

Page 18: Belimo Wiring

Wiring diagrams for Belimo products®

19

IV-F. Auxiliary Switch Wiring

Auxiliary SwitchesS1/S2 for SM, GM; SN1/SN2 for NMSA1/SA2 for AM

Note: S1,S2 are usedwith the SM and GmSeries actuators.

SN1,SN2 are used withNM Series actuators

S2/SN2/SA2

S1

S2

S3

S4

S5

S6

S1/SN1/SA1

NC

NO

S1

S2

S3

N.C.

N.O.

N.C.

N.O.

N.C.

N.O.

Note:SA1, SA2, AM…24-S US, AF…24-S US,NF…-S US auxiliary switches are doubleinsulated and meet UL and CSA require-ments without an electrical ground.

AM…-S US

NC

0° to 95°NO

S1

S2

S3

NC

0° to 95°NO

S4

S5

S6

AF…-S US

NC

5°NO

S1

S2

S3

NC

25° to 85°NO

S4

S5

S6

Auxiliary switch wiring for AM…-S US

Auxiliary switch wiring for AM…-S US Auxiliary switch wiring for LF…-S US

and LM24-S US

Auxiliary switch wiring for P-370 US

Auxiliary switch wiring for AF…-S US Auxiliary switch wiring for NF…-S US

LF…-S US

LM24-S US

NC

0° to 95°NO

S1

S2

S3

NF…-S US

NC

5° to 85°NO

S1

S2

S3

SM24-S US

P-370

NC

NO

Grn

Blk

Wht

Product Voltage Resistive Inductiveload load

S1, S2 120 7.0 A 5.0 A250 7.0 A 2.5 A

SA1, SA2 120 6.0 A 5.0 A250 6.0 A 2.5 A

SN1, SN2 120 6.0 A 5.0 A250 6.0 A 2.5 A

AF…-S US 120 7.0 A 5.0 A250 7.0 A 2.5 A

AM…-S US 120 6.0 A 3.0 A250 6.0 A 1.5 A

LF…-S US 120 6.0 A 3.0 A250 6.0 A 1.5 A

LM24-S US 24 6.0 A 2.5 ANF…-S US 120 7.0 A 5.0 A

250 7.0 A 2.5 AP-370 120 1.0 A 1.0 A

240 0.7 A 0.7 ASM24-S US 24 2.0 A 2.0 A

80°

10°

6 5

4

Page 19: Belimo Wiring

Wiring diagrams for Belimo products®

20

IV-G. Accessories

Feedback PotentiometerP… used with SM/GMPA… used with AM

Note: Used with the SMand GM Series actuators

The direction of rotationswitch on the actuator must be in position “A” for the SZS to function correctly.

24 VAC Transformer

Line

Vol

ts 1 Common

2 +

3 +

SM24 US

GM24 US

A

B

1

2

3

4

SZS

1

2

3

3

2

A

B

C

A - Open

B - Mid-Position

C - Closed

Parallel connection of further actuators is not possible.

Reverse A and C connections to the actuator to changedirection of rotation.

A

B

C

+Alternativeswitchingwith relay.

SPTTswitch

SZS Mid Position Switch

2

To otheractuator s

24 VAC Transformer

Line Volts

Contr ol Signal

1 Common

2 + Hot

3 Signal Input

4 Output, 2 to 10 VDC

IRM-100

1

1

Line Volts

1 Common

2 + Hot

3 Y1

4 Y2

5 U

…-SR US

(–)(+)

3

2

1 Provide overload protection and disconnect as required.

The controller should be powered from a separatetransformer.

The actuator and IRM-100 may be powered from thesame transformer.

Consult controller instruction data for more detailedinstallation information.

To reverse control rotation, use the reversing switch.

3

4

5

5

4

IRM-100 Input Rescaling Module

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Signal Input

4 Contactor

5 Ref. signal

6 Contactor

7 Ref. signal

8 Contactor

9 Ref. signal

ADS-100COM

∩ ∩∩

∩ ∩∩

∩ ∩∩

Reheat output(2 to 10 VDC)

from TRS-Mthermostat or

other controller

Reheat stage(24 VAC con-tactors 10 VAmax. per stage)

5,7,9 = Switch point reference signal for manualadjustment of stages 1,2, & 3 respectively.

Actuator and controller must have separate transformers.

Stage 1

#1

#2

#3

1

1

Stage 2Stage 3

2

(–)(+)

2

ADS-100 Analog to Digital Switch

2

2

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption and input impedance must be observed.

The actuator and SBG-24 may be powered from thesame transformer.

The controller should be powered from a separatetransformer.

Wire No. 4 on the NM24-SR US is used for feedback.

3

4

4

24 VAC Transformer

U 2 to 10 VDC Feedbac k signal

0 to 20 V Phasecut

Line Volts

1 Common

2 + Hot

3 Y1

4 Y2

5 U

6 Z

1 Common

2 + Hot

3 Y1

5 U

1 Common

2 + Hot

3 Y1

5 U

(–)(+)

Contr ol Signal0 to 10 VDC

2

1

A

B

C

OverrideSwitc h Position

A = ClosedB = Normal

C = Open

…-SR US

SBG24

I

N

P

U

T

OUTPUT

5

3

5

SBG 24 Range Controller

SGA, SGF Positioners

Remote Control

P1

P2

P3

P…/PA…

0

10

24 VAC Transformer

Line Volts

1 Common

2 +

3 + Y

…-SR US

A

B

1 Common

2 +

3 Y

4 Z

SGA24 SGF24

24 VAC Transformer

Line Volts

1 Common

2 +

3 Y

. . -SR US

1 Common

2 +

3 Y

4 Z

SGA24 SGF24

(–)

(+)

0 to 10 VDCControl Signal

A Boff off 0%off on 0%on off 0 to 100%on on 100%

Override controlDamper control

Minimum Position Setting

Provide overload protection and disconnect as required.

Override switches are optional.

1

1

1

2

2

2

Page 20: Belimo Wiring

Wiring diagrams for Belimo products®

21

IV-F. Accessories (continued)

2 3 10 9

1 11 NSV 24

max4A (T)

SM24 US( + ) ( + ) ( – )~ ~ COM

2 3 10 9

1 11 NSV 24

+

max4A (T)

SM24-SR US ( + ) ( – ) HOT COM

3 2 1

3 2 1

+

NSV-BAT (2) or equiv. NSV-BAT (2) or equiv.

Y1

24 VACCOM ~

24 VACCOM ~

NSV 24 Battery Back-up Module

ZAD24 Digital Position Indicator

ZG-X40

120 VAC 24 VAC

Yellow

Yellow

White

Black

ZG-X40 Transformer

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4

5

Ω ZG-R01

1

1

ZG-R02Ω

Output0 to 10 VDC TypeSignal Input

COMCOM

Grey

Black

White

The impedance of the device attached must be 100kΩ.

ZG-R01, ZG-R02 Resistor Kits

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 AC

4 AC5

6

PTA-250To …-SR Actuator

Triac, common pulsed signal (non-isolated circuit)

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 AC

4 AC5

6

PTA-250To …-SR Actuator

Triac, hot pulsed signal (non-isolated circuit)

24 VAC Transformer

BASPower

PTAPower

1 Common

2 + Hot

3 AC

4 AC5

6

PTA-250To …-SR Actuator

Triac, pulsed signal (isolated circuit)

PTA-250 Pulse Width Modulation Interface

Control interface diagrams

Control interface diagrams

Failsafe directionmust have a normallyclosed contact.

42

5

5

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 + Signal Input

4 – Signal Input

5 Aux. Power Output

6 Output 2 to 10 VDC

PTA-2501

Line Volts

1 Common

2 + Hot

3 Y1

4 Y2

5 U

…-SR US

3

2

1 Provide overload protection and disconnect as required.

Actuator and controller must have separate transformers.

Consult controller instruction data for more detailedinstallation information.

To reverse control rotation, use the reversing switch.

The PTA-250 and actuator may be powered from thesame transformer.

3

4

See controlinterface

diagramsbelow.

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 + Signal Input

4 – Signal Input

5 Aux. Power Output

6

PTA-250To …-SR Actuator

N.O.

Relay pulsed signal (non-isolated circuit)

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 + Signal Input

4 – Signal Input

5

6

PTA-250To …-SR Actuator

N.O.

Relay pulsed signal (isolated circuit)

Separatepower supply12 to 24VDC/VAC

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U Output 2 to 10 V

(–)(+)

Control Signal0 to 10 VDC

1 Common

2 + Hot

3 –

4 +

2

1

4

4

5

5 …SR US

ZAD24

2

3

3

1 Provide overload protection and disconnect as required.

Actuator and controller must have separate transformers.

Actuators may be connected in parallel. Power con-sumption must be observed.

Actuator may also be powered by 24 VDC.

Wire #4 is used for feedback on the NM24-SR US.

Page 21: Belimo Wiring

Application information®

22

V. APPLICATION INFORMATION

V-A. Wiring for Multiple Actuators on One Shaft (AF/GM, for other actuators use next higher torque actuator)

Actuators which may beused on one shaft:

MaxQuantity

Model Per Shaft

AF24(-S) US

AF120(-S) US 4AF230(-S) US

AF24-SR(-S) US 4

AF24-3(-S) US 4

AF24-PWM US 2

AF24-SR95 US 1

GM24 US 2

GM24-SR US 2

AM24(-S) US 4

AM24-SR US 4

AM24-PWM US 4

4

1 24 VAC Transformer

Line Volts

Blk (1) Common

Red (2) + Hot

Wht (3) Y Input

Wht (5) U Output

AF24-PWM US

AM24-PWM US

CCW CW

4

Blk (1) Common

Red (2) + Hot

Wht (3) Y Input

Wht (5) U Output

AF24-PWM US

AM24-PWM US

CCW CW

124 VAC Transformer

Line Volts

1 Common

2 + Hot

AF24 US

1 Common, Neutral

2 + Hot

AF24 US

3

3

1

1 Neutral

2 Hot

AF120 US

AF230 US

1 Common, Neutral

2 + Hot

AF120 US

AF230 US

3

3

L1 N

L2 H

3 2

4

4

1 24 VAC Transformer

Line Volts

Blk (1) Common

Red (2) +

Wht (3) +

Wht (4) +

AF24-3 (-S) US

CCW CW

Blk (1) Common

Red (2) +

Wht (3) +

Wht (4) +

AF24-3 (-S) US

CCW CW

The indication of directionis valid for switch position CCW.

2

3

4

5

1 Provide overload protection and disconnect as required.

Actuators may be connected in parallel. Power con-sumption must be observed.

May also be powered by 24 VDC.

Set reversing switch (CCW-CW)(A-B) as required bycontrol logic and control range.

Actuator and controller must have separate transformers.

Notes:

Note:See page 23 for ladder diagram wiring of 2 to 10 VDCactuators.

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U

(–)(+)

Control Signal0 to 10 VDC

4

5

1

GM24-SR US

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U

4A

B

A

B

GM24-SR US

AM24-SR US

24 VAC Transformer

Line Volts

1 Common

2 +

3 +

4

2

1

GM24 US

AM24 US

1 Common

2 +

3 +

4A

B

A

B

GM24 US

AM24 US

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U Output 2 to 10 V

(–)(+)

Control Signal2 to 10 VDC

4

5

1

AF24-SR US

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U

4

AF24-SR US

CCW CW

CCW CW

To OtherActuators

To Other Actuators

To Other Actuators

Note:When using the AF24-SR95 US and the SM24-SR94 US

consult the actuator data sheet.

To Other Actuators(AM24-PWM US only) To Other Actuators

(AM24(-S) US only)

To Other Actuators(AM24-SR US only)

To Other Actuators

Page 22: Belimo Wiring

Application information®

23

V-A. (continued) Wiring for Multiple Actuators on One Shaft (AF/GM, for other actuators use next higher torque actuator)

24 VAC Transformer

Note:See table on page 23 for maximum number ofactuators allowed.

Line Volts

(–)(+)

Control Signal

12

35

12

35

12

35

12

35

All actuators except AF24-SR US

24 VAC Transformer

Note:AF24-SR US must be wired in thismanner when more than one actuatoris mounted on a single shaft.

A maximum of 4 actuators may bemounted to a single shaft.

Line Volts

(–)(+)

Control Signal

12

35

12

35

12

35

12

35

AF24-SR US

24 VAC Transformer DAMPER 1 DAMPER 2 24 VAC Transformer

Note:Shown with typical 2 transformer wiring, if one transformerdoes not have enough capacity for 6 actuators.

Line Volts

Line Volts

(–)(+)

Control Signal

12

35

12

35

12

35

12

35

12

35

12

35

Typical wiring of multiple dampers with more than one AF24-SR US mounted on a single shaft.

Page 23: Belimo Wiring

V-C. Sequencing Two or More Actuators With One Control Signal

Application information®

24

V-B. Retrofit of Two-wire Thermostat Systems.

2

2

6

1

3

5

Line Volts120 VAC

To otheractuators

1

Line Volts120 VAC

1 Blk Common

2 Red + Hot

3 Wht Y Input

To OtherTemperatureControllers(10 Max)

LM24-SR USNM24-SR USSM24-SR USGM24-SR USAF24-SR US

4

Ω500Ω

Actuator A

24 VACInput

DC Power SupplyAdjusted for 24 VDC Output

24 VDCOutput(– +)

George T. Hall - TT2000STemperature Controller

(+ – )

SINGLE CONTROLRANGE SYSTEM

2

2

6

7

1

3

5

Line Volts120 VAC

To otheractuators

1

Line Volts120 VAC

1 Blk Common

2 Red + Hot

3 Wht Y Input

To OtherTemperatureControllers(10 Max)

NM24-SRS USSM24-SRS US

4

1 Blk Common

2 Red + Hot

3 Wht Y Input

∆U U 0

∆U U 0

NM24-SRS USSM24-SRS US

Ω500Ω

Actuator B

Actuator A

24 VACInput

DC Power SupplyAdjusted for 24 VDC Output

24 VDCOutput(– +)

George T. Hall - TT2000STemperature Controller

(+ – )

NOTES FOR BOTH DIAGRAMSProvide overload protection and disconnect as required.

The DC power supply and actuator must be poweredfrom separate 24 VAC sources.

Model # DCP-1.5-W from Kele & Associates (901) 382-4300. Model #LPR from Advanced ControlTechnologies (800) 886-2281, or equivalent.

TT2000S from George T. Hall (714) 939-7100.

Up to 4 actuators may be controlled from 1 resistor.

The 500Ω resistor converts the 4…20 mA control signal to 2…10 VDC.

The start point and span can be adjusted to sequence multiple actuators.Example: Actuator A, range 2…6 VDC; Actuator B, range 6…10 VDC.

2

3

4

5

6

7

1

SEQUENCED, MULTI-PLE ACTUATOR SYS-TEM - for use withadjustable-rangeactuators

7

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Input, 2 to 6 V

4 Output

(–)

(+)

Control Signal0 to 10 VDC

4

2

3

1

IRM-100

1 Common

2 + Hot

3 Input, 6 to 10 V

4 Output

3

500Ω

IRM AAdjusted for 2 to 6 VDC range.

IRM BAdjusted for 6 to 10 VDC range.

IRM-100

1 Common

2 + Hot

3 Y1 Input, 2 to 6 V

4 Y2

5 U

3

…-SR US

…-SR US

1 Common

2 + Hot

3 Y1 Input, 6 to 10 V

4 Y2

5 U

3

ACTUATOR AAdjusted for 2 to 6 VDC range.

ACTUATOR BAdjusted for 6 to 10 VDC range.

mA VDC4 25 2.56 37 3.58 49 4.5

10 511 5.512 613 6.514 715 7.516 817 8.519 9.520 10

IRM-100Voltage Settings

Based on 4 to 20 mA Signal

2

1 Provide overload protection and disconnect asrequired.

Actuator and controller must have separatetransformers.

Consult controller instruction data for moredetailed installation information.

500Ω resistor if signal provided is 4 to 20 mA

The AM24-SR US may be programmed forspecial control ranges by the MFT Handy tool.

3

4

5

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 2 to 6 V

4 Y2

5 U

(–)

(+)

Control Signal0 to 10 VDC

4

2

3

1

NM24-SRS US

SM24-SRS US

AM24-SR US

1 Common

2 + Hot

3 Y1 Input, 6 to 10 V

4 Y2

5 U

3

5

5

500Ω

ACTUATOR AAdjusted for 2 to 6 VDC range.

ACTUATOR BAdjusted for 6 to 10 VDC range.

NM24-SRS US

SM24-SRS US

AM24-SR US

Page 24: Belimo Wiring

Application information®

25

V-D. Special Control Range Aplications

Control Signal Belimo Actuator Accessory Notes1 to 5 VDC NM24-SRS US Set start point for 1 VDC, span for 4 VDC

SM24-SRS US Set start point for 2.0 VDC, span for 3 VDC*SM24-SR US IRM-100 Calibrate the IRM-100 for an input range ofGM24-SR US 1 to 5 VDC.NF24-SR USAF24-SR US

4 to 20 mA Any -SR Actuator ZG-R01, or Wire the ZG-R01 accross the wires #1 and #3500Ω, 1/4 w resistor

10.5 to 13.5 VDC NM24-SRS US — Set start point for 10.5 VDC, span for 3 VDCSM24-SRS US ZG-R02 Wire the ZG-R02 between the controller output

and the actuator input. Set the SM24-SRS to start at 5.25 VDC and the span to 1.6 VDC.

SM24-SR US IRM-100 Calibrate the IRM-100 for an input range ofGM24-SR US 10.5 to 13.5 VDC.NF24-SR USAF24-SR US

14 to 17 VDC NM24-SRS US — Set start point for 14 VDC, span for 3 VDCSM24-SRS US ZG-R02 Wire the ZG-R02 between the controller output

and the actuator input. Set the SM24-SRS to start at 7 VDC and the span to 1.6 VDC.

SM24-SR US IRM-100 Calibrate the IRM-100 for an input range ofGM24-SR US 14 to 17 VDC.NF24-SR USAF24-SR US

Pulse Width NM24-PWM uS Set the selector to desired pulse rangeModulation AF24-PWM US

SM24-SR US PTA-250 Wire the PTA-250 between the controller and the NF24-SR US actuator. Set jumper setting for desired pulse range.

Page 25: Belimo Wiring

Application information®

26

V-F. Operating two 0 to 10 VDCControllers with the Higher of TwoControl Signals

V-H Wiring to Johnson Controls A350PController

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U

(–)

(+)

Control Signal0 to 10 VDCController A

1

1LM24-SR USNM24-SR USSM24-SR USGM24-SR USNF24-SR USAF24-SR US

(–)

(+)

Control Signal0 to 10 VDCController B

1 IN4001, IN4003 diode or equivalent, observe polarity.

Explanation: The diode allows the positive (+) signalto pass through it and does not allow a higher level pos-itive signal to back feed to the other controller. Only thehighest controller signal is seen by the actuator. Thereis a .7 VDC voltage loss across the diode. This makesthe actual voltage range 2.7 to 10.7 VDC.

V-G. Minimum Position with 0 to 10VDC Actuators

24 VAC Transformer

Line Volts

1 Common

2 +

3 Y

. . -SR US

1 Common

2 +

3 Y

4 Z

SGA24 SGF24

(–)

(+)

0 to 10 VDCControl Signal

Minimum Position Setting

Provide overload protection and disconnect as required.

Override switches are optional.

1

1

2

V-E. Floating Control Using a 2-wireDC Control Signal

1 Common

2 +

3 +

1

LM24 USNM24 USSM24 USGM24 US

1 IN4001, IN4003 diode or equivalent, observe polarity.

– +

+ –

Stop

24 V

DC

Note: Direction of rotationshown for the R or A position.

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U

…-SR US

Johnson Controls A350P ControllerMultiple Power Source Wiring

1 Power polarity must be correct

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U

1

…-SR US

Johnson Controls A350P ControllerSingle Transformer Wiring

24 VAC Transformer

Line Volts

V I SN

VD

CC 24

V

V I SN

VD

CC 24

V

Page 26: Belimo Wiring

Application information®

27

V-I. Wiring to Honeywell T775 Controller

1 Use separate transformer for T775 if powering from 24 VAC.

Note: The T775 Controllers have an adjustable controlrange of 0 to 18 VDC. Use the T775 Calibration instruc-tions to calibrate a 2 to 10 VDC range.

24 VAC Transformer

Line Volts

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U

1

1

LM24-SR USNM24-SR USSM24-SR USGM24-SR USNF24-SR USAF24-SR US

120 V

COM

240V

NO

COM

NC

NC

COM

NO

NO

COM

NC

OUTPUT 4OUTPUT 3

OUTPUT 2

C/F

1 2

3 4

SELECT SET ENTER

SA SB

3 2 1

1 2 3 4 5 6

SA TOD 24V

T775E1098 / T775F10890 to 18 VDC Output Models

1 Use separate transformer for T775 if powering from 24 VAC.

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 Y1

4 Y2

5 U

1

1

LM24-SR USNM24-SR USSM24-SR USGM24-SR USNF24-SR USAF24-SR US

120 V

COM

240V

NO

COM

NC

NC

COM

NO

NO

COM

NC

OUTPUT 4OUTPUT 3

OUTPUT 2

C/F

1 2

3 4

SELECT SET ENTER

SA SB

3 2 1

1 2 3 4 5 6

SA TOD 24V

T775E1056 / T775F10554 to 20 mA Output Models

Resistor500Ω1/2 W

(ZG-R01)

24 VAC Transformer

Line Volts

1 Use separate transformer for T775 if powering from 24 VAC.

24 VAC Transformer

Line Volts

1 Common

2 + Hot

3 W

4 R

5 B

1

1

SM24-SR94 USAF24-SR95 US

120 V

COM

240V

NO

COM

NC

NC

COM

NO

NO

COM

NC

OUTPUT 4OUTPUT 3

OUTPUT 2

C/F

1 2

3 4

SELECT SET ENTER

SA SB

3 2 1

1 2 3 4 5 6

SA TOD 24V

T775E1015 / T775F1022Electronic Series 90 Models

B R W

24 VAC Transformer

Line Volts

1 Use separate transformer for T775 if powering from 24 VAC.

24 VAC Transformer

Line Volts

Line Volts

1 Common

2 + Hot

3 W

4 R

5 B

1

SM24-SR94 USAF24-SR95 US

120 V

COM

240V

NO

COM

NC

NC

COM

NO

NO

COM

NC

OUTPUT 4OUTPUT 3

OUTPUT 2

C/F

1 2

3 4

SELECT SET ENTER

SA SB

3 2 1

1 2 3 4 5 6

SA TOD 24V

T775E1015 / T775F1022Electronic Series 90 Models

B R W

1 Use separate transformer for T775 if powering from 24 VAC.

24 VAC Transformer

Line Volts

Line Volts

1 Common

2 + Hot

3 Y1

4 Y2

5 U

1

LM24-SR USNM24-SR USSM24-SR USGM24-SR USNF24-SR USAF24-SR US

120 V

COM

240V

NO

COM

NC

NC

COM

NO

NO

COM

NC

OUTPUT 4OUTPUT 3

OUTPUT 2

C/F

1 2

3 4

SELECT SET ENTER

SA SB

3 2 1

1 2 3 4 5 6

SA TOD 24V

T775E1056 / T775F10554 to 20 mA Output Models

Resistor500Ω1/2 W

(ZG-R01)

1 Use separate transformer for T775 if powering from 24 VAC.

Note: The T775 Controllers have an adjustable controlrange of 0 to 18 VDC. Use the T775 Calibration instruc-tions to calibrate a 2 to 10 VDC range.

24 VAC Transformer

Line Volts

Line Volts

1 Common

2 + Hot

3 Y1 Input, 0 to 10 V

4 Y2

5 U

1

LM24-SR USNM24-SR USSM24-SR USGM24-SR USNF24-SR USAF24-SR US

120 V

COM

240V

NO

COM

NC

NC

COM

NO

NO

COM

NC

OUTPUT 4OUTPUT 3

OUTPUT 2

C/F

1 2

3 4

SELECT SET ENTER

SA SB

3 2 1

1 2 3 4 5 6

SA TOD 24V

T775E1098 / T775F10890 to 18 VDC Output Models

Page 27: Belimo Wiring

Application information®

28

V-J. Wiring to Siebe TP8100 Controller

24 VA

C

+ Y1 Y2 U

SM24-SRS US

1 2 3 4 5 Wire No

Wire Color

∩ ∩∩∩

∩∩∩∩R B Y

ASP-8301 provides 150 mA. A single TP-8101draws 13 mA, so up to 7 TP-8101s can be pow-ered from one ASP-8301.

Other 20 VDC power supplies can be used.

24 VAC Transformer, sizeper Belimo literature (typically 5. . .8 VA per actuator).

+ – CO

M

CO

M

20 VDC 5 VAC

L1 L2

Siebe ASP-8301Power Supply

Siebe TP-8100Thermostat

+ 20

VD

C

CO

M

OP

1

To othercontrollers

To otheractuators

SM24-SRS US modulating non spring return, 133 in-lbwith adjustable Zero and Span set to 6 to 9 VDC

Y1 = 2 to 10 VDC InY2 = 2 to 20 V P/C InU = 2 to 10 VDC Out

120 VAC

Important: Observe polarity of COM and (–) on all devices.

Fixed Span ActuatorsThe actuators listed below have fixed inputs of 2 to 10 VDC (8 VDC span). The throttling range of the TP-81xx corre-sponds to a 6 to 9 VDC output (3 VDC span) even though the controller produces a 2 to 15 VDC output. When usingthese actuators, certain adjustments need to be made to properly utilize the 2 to 10 VDC portion of TP-8100 output.1. Calibrate the TP8100 to a 6 VDC output when the space is at setpoint. See Barber Colman's General

Instruction sheet for calibration procedure.2. Multiply the indicated throttling range by 2.6 (new 8 VDC span divided by the original 3 VDC span).

LM24-SR US modulating non spring, 35 in-lbNF24-SR US modulating spring return, 60 in-lbNM24-SR US modulating non spring, 75 in-lbAF24-SR US modulating spring return, 133 in-lbSM24-SR US modulating non spring, 133 in-lbAM24-SR US modulating non spring, 160 in-lbGM24-SR US modulating non spring, 266 in-lb

24 VAC Transformer

Line Volts

Blk (1) Common

Red (2) + Hot

Wht (3) Y1 Input, 6 to 9 V

Wht (4) Y2 Output 20V

Wht (5) U Control Common

LF24-SR(-S)-MP US

Red + 20 VDC

Blue COM

Yel OP1

Siebe TP8100

Using other actuators

Using LF24-SR(-S)-MP US