20 tons lennox

32
PACKAGED ELECTRIC / ELECTRIC KC Landmark™ Rooftop Units 60 HZ Bulletin No. 210553 October 2010 Supersedes August 2010 ENGINEERING DATA MODEL NUMBER IDENTIFICATION 15 to 25 Tons Net Cooling Capacity − 176,000 to 270,000 Btuh Optional Electric Heat - 15 to 90 kW K C A 240 S 4 B N 1 Y Brand/Family K = Landmark™ Unit Type C = Packaged Electric Cooling w/ optional Electric Heat Major Design Sequence A = 1st Generation Nominal Cooling Capacity - Tons 180= 15 Tons 210 = 17.5 Tons 240 = 20 Tons 300 = 25 Tons Cooling Efficiency S = Standard Efficiency Refrigerant Type 4 = R-410A Blower Type B = Belt Drive Factory Installed Electric Heat N = No Heat Minor Design Sequence 1 = 1st Revision 2 = 2nd Revision 3 = 3rd Revision Voltage Y = 208/230V-3 phase-60hz G = 460V-3 phase-60hz J = 575V-3 phase-60hz ASHRAE 90.1 COMPLIANT

Upload: donkazique

Post on 27-Nov-2014

850 views

Category:

Documents


6 download

TRANSCRIPT

P A C K A G E D E L E C T R I C / E L E C T R I C

KCLandmark™ Rooftop Units

60 HZBulletin No. 210553

October 2010Supersedes August 2010

E N G I N E E R I N G D ATA

MODEL NUMBER IDENTIFICATION

15 to 25 TonsNet Cooling Capacity − 176,000 to 270,000 Btuh

Optional Electric Heat - 15 to 90 kW

K C A 240 S 4 B N 1 Y

Brand/Family K = Landmark™

Unit Type C = Packaged Electric Cooling w/ optional Electric Heat

Major Design Sequence A = 1st Generation

Nominal Cooling Capacity - Tons 180= 15 Tons

210 = 17.5 Tons240 = 20 Tons300 = 25 Tons

Cooling EfficiencyS = Standard Efficiency

Refrigerant Type4 = R-410A

Blower TypeB = Belt Drive

Factory Installed Electric HeatN = No Heat

Minor Design Sequence 1 = 1st Revision 2 = 2nd Revision3 = 3rd Revision

Voltage Y = 208/230V-3 phase-60hz G = 460V-3 phase-60hz J = 575V-3 phase-60hz

ASHRAE 90.1COMPLIANT

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 2

FEATURES AND BENEFITS

Landmark™ rooftop units from Lennox are the new standard for reliable, efficient rooftop units built for long-lastingperformance that can significantly improve indoor and outdoor environments. Landmark rooftop units feature:

• R-410A Refrigerant - Environmentally friendly• Scroll Compressors - Single speed scroll compressors are furnished on all models.• Crankcase Heaters - Protect compressors from refrigerant liquid migration in the off cycle improving product

reliability.• High Pressure Switches - Protect compressor.• Isolated Compressor Compartment - Allows performance check during normal compressor operation without

disrupting airflow.• Independent Motor Mounts - Allows for easy and efficient service access without removing the top panel.• Downflow Airflow - Horizontal airflow with optional horizontal curb.• Two Fork Lift Slots on Three Sides - Easy to pick up and transport units from almost any angle.• Corrosion-Resistant Removable, Drain Pan - Provides application flexibility, durability and improved serviceability.• Thermostatic Expansion Valves - Provide peak cooling performance across the entire application range.• MERV 8 or MERV 13 Filters - Available as field installed option, provide an enhanced level of indoor air quality, and

can help the building qualify for additional LEED credits.

APPROVALS

ETL listed.Efficiency rating CSA.Components bonded for grounding to meet safety standards for servicing required by UL, ULC and National and Canadian Electrical Codes.All models are certified in accordance with the ULE certification program, which is based on AHRI Standard 340/360-2007.All models are ASHRAE 90.1-2007 compliant.ISO 9001 Registered Manufacturing Quality System.

WARRANTY

Limited five years on compressors.Limited one year all other covered components.

COOLING SYSTEM

Designed to maximize sensible and latent cooling performance at design conditions.System can operate from 30°F to 125°F without any additional controls.R-410A RefrigerantNon-chlorine based, ozone friendly, R-410A.

A

B

C

G

D

F

EH

I

J

K

L

M

NO

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 3

FEATURES AND BENEFITS

APPROVALS

ETL listed.Efficiency rating CSA.Components bonded for grounding to meet safety standards for servicing required by UL, ULC and National and Canadian Electrical Codes.All models are certified in accordance with the ULE certification program, which is based on AHRI Standard 340/360-2007.All models are ASHRAE 90.1-2007 compliant.ISO 9001 Registered Manufacturing Quality System.

WARRANTY

Limited five years on compressors.Limited one year all other covered components.

COOLING SYSTEM

Designed to maximize sensible and latent cooling performance at design conditions.System can operate from 30°F to 125°F without any additional controls.R-410A RefrigerantNon-chlorine based, ozone friendly, R-410A.

A

Scroll CompressorsScroll compressors on all models for high performance, reliability and quiet operation.Resiliently mounted on rubber grommets for quiet operation.Compressor Crankcase HeatersProtects against refrigerant migration that can occur during low ambient operation.Thermal Expansion ValvesAssures optimal performance throughout the application range.Removable element head.Filter/DriersHigh capacity filter/drier protects the system from dirt and moisture.High Pressure SwitchesProtects the compressor from overload conditions such as dirty condenser coils, blocked refrigerant flow, or loss of outdoor fan operation.FreezestatsProtects the evaporator coil from damaging ice build-up due to conditions such as low/no airflow, or low refrigerant charge.Coil ConstructionCopper tube construction, enhanced rippled-edge aluminum fins, flared shoulder tubing connections, silver soldered construction for improved heat transfer. Factory leak tested.

B

C

D

E

Evaporator CoilCross row circuiting with rifled copper tubing optimizes both sensible and latent cooling capacity.Condenser CoilAngled, slab design helps protect coil from possible contact or hail damage.Condensate Drain PanPlastic pan, sloped to meet drainage requirements of ASHRAE 62.1.Side or bottom drain connections.Outdoor Coil Fan MotorsThermal overload protected, totally enclosed, permanently lubricated ball bearings, shaft up, wire basket mount.Outdoor Coil FansPVC coated fan guard furnished.

REQUIRED SELECTIONS

Cooling CapacitySpecify nominal cooling capacity of the unit

OPTIONS/ACCESSORIES

Field InstalledCondensate Drain TrapAvailable in copper or PVC.Drain Pan Overflow SwitchMonitors condensate level in drain pan, shuts down unit if drain becomes cloggedLow Ambient KitCycles the outdoor fan while allowing compressor operation in the cooling cycle. This intermittent fan operation allows the system to operate without icing the evaporator coil and losing capacity. Designed for use in ambient temperatures no lower than 0°F.

F

ContentsAccessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . .26Blower Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24Electrical/Electric Heat Data . . . . . . . . . . . . . . . . . . . . . . . .17Electric Heat Capacities. . . . . . . . . . . . . . . . . . . . . . . . . . .21Features And Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Model Number Identification . . . . . . . . . . . . . . . . . . . . . . . . 1Optional Conventional Temperature Control Systems . . . . . . . . . . .22Options / Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Outdoor Sound Data . . . . . . . . . . . . . . . . . . . . . . . . . . . .22Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21Weight Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 4

FEATURES AND BENEFITS

CABINET

ConstructionHeavy-gauge steel panels and full perimeter heavy-gauge galvanized steel base rail provides structural integrity for transportation, handling, and installation.Base rails have rigging holes.Three sides of the base rail have forklift slots.Raised edges around duct and power entry openings in the bottom of the unit provide additional protection against water entering the building.Airflow ChoiceUnits are available in downflow (vertical) or horizontal return air flow configuration.Horizontal air flow requires Horizontal Roof Curb.Horizontal Return Air Panel Kit is also required if converting a downflow configured unit to horizontal air flow.Power EntryElectrical lines can be brought through the unit base or through horizontal access knock-outsExterior PanelsConstructed of heavy-gauge, galvanized steel with a two-layer enamel paint finish.InsulationAll panels adjacent to conditioned air are fully insulated with non-hygroscopic fiberglass insulation.Unit base is fully insulated. The insulation also serves as an air seal to the roof curb, eliminating the need to add a seal during installation.Access PanelsAccess panels are provided for the economizer/filter section, heating/blower section, and the compressor/controls section.

G

OPTIONS/ACCESSORIES

Factory InstalledCorrosion ProtectionA completely flexible immersed coating with an electrodeposited dry film process. (AST ElectroFin E-Coat) Meets Mil Spec MIL-P-53084, ASTM B117 Standard Method Salt Spray Testing.Indoor Corrosion Protection: - Coated coil - Painted blower housing - Painted indoor baseOutdoor Corrosion Protection: - Coated coil - Painted outdoor baseHinged Access PanelsHinged access panels for the filter section, the blower section and compressor/controls section.All hinged panels have seals and quarter-turn latching handles to provide a tight air and water seal.Field InstalledCoil GuardsPainted, galvanized steel wire guards to protect outdoor coil.Not used with Hail Guards.Hail GuardsConstructed of heavy gauge steel, painted to match cabinet, helps protect outdoor coils from hail damage.Not used with Coil Guards.

Horizontal Return Air Panel KitRequired for horizontal applications with Horizontal Roof Curb, contains panel with return air opening for field replacement of existing unit panel and panel to cover bottom return air opening in unit, see dimension drawings.

BLOWER

A wide selection of supply air blower options are available to meet a variety of airflow requirements.MotorOverload protected, equipped with ball bearings. Belt drive motors are offered on all models and are available in several different sizes to maximize air performance.Supply Air BlowerForward curved blades, double inlet, blower wheel is statically and dynamically balanced. Equipped with ball bearings and adjustable pulley (allows speed change),.Blower assembly slides out of unit for servicing.

REQUIRED SELECTIONS

Order blower motor horsepower and drive kit number required when base unit is ordered, see Drive Kit Specifications Table.

H

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 5

FEATURES AND BENEFITS

CONTROLS

Unit ControlAll control voltage is provided via a 24V (secondary) transformer with built-in circuit breaker protection.Heat/Cool Staging - Capable of up to 2 heat / 2 cool staging with a third party DDC control system or thermostat.Low Voltage Terminal Block - Provides screw terminal connections for thermostat or controller wiring.Night Setback Mode - Saves energy by closing outdoor air dampers and operating supply fan on thermostat demand only.

OPTIONS/ACCESSORIES

Field InstalledSmoke DetectorPhotoelectric type, installed in supply air section, return air section or both sections. Available with power board and single sensor (supply or return) or power board and two sensors (supply and return). Power board located in unit control compartment.Commercial Control SystemsL Connection® NetworkComplete building automation control system for single or multi-zone applications. Options include local interface, software for local or remote communication, and hardware for networking other control functions.See L Connection Network Engineering Handbook Bulletin for details.ThermostatsControl system and thermostat options. Aftermarket unit controller options. See page 22.

I

ELECTRICAL

All units include terminal block and fuse block in power entry junction box for single power entry application.

REQUIRED SELECTIONS

Voltage ChoiceSpecify when ordering base unit.

OPTIONS/ACCESSORIES

Factory or Field InstalledDisconnect SwitchAccessible from outside of unit, spring loaded weatherproof cover furnished.GFI Service Outlets (2)115V ground fault circuit interrupter (GFCI) type, field wired.Field InstalledElectric HeatHelix wound nichrome elements, individual element limit controls, wiring harness. Unit fuse block is furnished as standard. See Options / Accessories tables for ordering information

J

K

INDOOR AIR QUALITY

Air FiltersDisposable 2 inch filters furnished as standard.

OPTIONS/ACCESSORIES

Field InstalledHigh Efficiency Air FiltersDisposable MERV 8 or MERV 13 (Minimum Efficiency Reporting Value based on ASHRAE 52.2) efficiency 2 inch pleated filters.Healthy Climate® UVC Germicidal Lamps

Germicidal lamps emit ultra-violet (UV-C) energy, which has been proven to be effective in reducing microbes such as viruses, bacteria, yeasts, and molds. This process either destroys the organism or controls its ability to reproduce.UV-C energy greatly reduces the growth and proliferation of mold and other bioaerosols (bacteria and viruses) on illuminated surfaces (particularly coil and drain pan).Lamps are field installed in the blower/evaporator coil section.All necessary hardware for installation is included.Lamps operate on 208/230V power supply. Step-down transformer must be field supplied when used with 460V and 575V rooftop units.Magnetic safety interlock terminates power when access panels are removed.Approved by ETL.Indoor Air Quality (CO2) SensorsMonitors CO2 levels, reports to the Unit Controller which adjusts economizer dampers as needed.

L

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 6

FEATURES AND BENEFITS

SERVICEABILITY

Designed to streamline general maintenance and decrease troubleshooting time.Marked & Color-Coded WiringAll electrical wiring is color-coded and marked to identify which components it is connecting.Electrical PlugsPositive connection electrical plugs are used to connect common accessories or maintenance parts for easy removal or installation.Access PanelsLarge access panels are provided for quick and easy access to maintenance areas.Blower AccessSupply air blower parts are located near the access door for easy servicing and adjustment.Thermal Expansion Valve AccessThermal expansion valves are located near the perimeter of the unit for easier access.Removable element head allows change out of element and bulb without removing the TXV.Coil CleaningSlab condenser coils provided for easier cleaning.Standard ComponentsA large number of common maintenance parts are standard throughout the entire range of sizes (3-25 tons), reducing the need to carry a lot of different parts to the job or maintain in inventory.Compressor CompartmentCompressors are located near the perimeter of the unit for easier access.Compressors are isolated from the condenser airflow allowing system operation checks to be done without changing the airflow across the outdoor coils.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 7

OPTIONS / ACCESSORIES

ECONOMIZER/EXHAUST OPTIONS

Factory or Field InstalledEconomizer - Downflow or Horizontal With Outdoor Air HoodParallel gear-driven action return air and outdoor air dampers, plug-in connections to unit, nylon bearings, neoprene seals, 24-volt, fully-modulating, spring return motor, adjustable minimum damper position. Outdoor air hood is furnished.Single sensible control is furnished with economizer. Outdoor air temperature sensor enables economizer if the outdoor temperature is less than the setpoint of the control.Outdoor Air Hood is included when economizer is factory installed and is furnished with economizer when ordered for field installation.Single Economizer Enthalpy ControlEnthalpy sensor enables the economizer when the outdoor air enthalpy is below the configured setpoint.Field InstalledDifferential (Dual) Economizer Enthalpy ControlOrder two single, enthalpy control kits. One is field installed in the return air section, the other in the outdoor air section. Allows the economizer control board to select between outdoor air or return air, whichever has lower enthalpy.

Downflow Barometric Relief Dampers With Exhaust HoodAllow relief of excess air.Aluminum blade dampers prevent blow back and outdoor air infiltration during off cycle.Exhaust hood with bird screen is furnished.

M

N

Horizontal Barometric Relief Dampers With Exhaust HoodFor use when unit is configured for horizontal applications requiring an economizer.Allows relief of excess airAluminum blade dampers prevent blow back and outdoor air infiltration during off cycle.Field installed in return air duct.Exhaust hood with bird screen is furnished.Power Exhaust FanInstalls internal to unit for downflow applications only with economizer option. Provides exhaust air pressure relief. Interlocked to run when supply air blower is operating, fan runs when outdoor air dampers are 50% open (adjustable), motor is overload protected. Requires Economizer with Outdoor Air Hood and Downflow Barometric Relief Dampers. Dual fans are 20 in. diameter with 5 blades with (2) 1/3 hp motors.

OUTDOOR AIR OPTIONS

Factory or Field InstalledOutdoor Air Damper - Downflow or Horizontal With Air HoodLinked mechanical dampers, 0 to 25% (fixed) outdoor air adjustable, installs in unit. Includes outdoor air hood.Automatic model features fully modulating spring return damper motor with plug-in connection.Manual model features parallel blade, gear-driven dampers with adjustable fixed position.Outdoor Air Hood is included when damper is factory installed and is furnished with damper when ordered for field installation.

O

ROOF CURBS

Nailer strip furnished, mates to unit, US National Roofing Contractors Approved, shipped knocked down.

DownflowClip Curbs - Uses interlocking tabs to fasten corners together. No tools required.Standard Curbs - Curb corners fasten together with furnished hardware.Adjustable Pitched Curb - Curbs are regionally sourced. Dimensions will vary based upon the source. Contact your Lennox sales representative for a detailed cut sheet with applicable dimensions.

HorizontalConverts unit from downflow to horizontal (side) air flow, return air is on unit, supply air is on curb, see dimension drawings. Curbs for rooftop applications meet National Roofing Code requirements. Requires Horizontal Return Air Panel Kit. Available in 26, 30, 37 and 41 inch heights. Optional Insulation Kit is available to help prevent sweating.

CEILING DIFFUSERS

Ceiling Diffusers (Flush or Step-Down)Aluminum grilles, large center grille, insulated diffuser box with flanges, hanging rings furnished, interior transition (even air flow), internally sealed (prevents recirculation), adapts to T-bar ceiling grids or plaster ceilings.Transitions (Supply and Return)Used with diffusers, installs in roof curb, galvanized steel construction, flanges furnished for duct connection to diffusers, fully insulated.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 8

OPTIONS / ACCESSORIES

Item Description Model Number

Catalog Number 180 210 240 300

COOLING SYSTEMCondensate Drain Trap PVC - C1TRAP20AD2 76W26 X X X X

Copper - C1TRAP10AD2 76W27 X X X XCorrosion Protection Factory O O O ODrain Pan Overflow Switch K1SNSR71C-1- 68W89 X X X XEfficiency Standard O O O OLow Ambient Kit K1SNSR33C-1 55W72 X X X XRefrigerant Type R-410A O O O OBLOWER - SUPPLY AIRMotors Belt Drive - 3 hp Factory O O

Belt Drive - 5 hp Factory O O O OBelt Drive - 7.5 hp Factory O O O OBelt Drive - 10 hp Factory O O

Drive KitsSee Blower Data Tables for usage and selection

Kit #1 535-725 rpm Factory O OKit #2 710-965 rpm Factory O OKit #3 685-856 rpm Factory O O O O

Kit #4 850-1045 rpm Factory O O O OKit #5 945-1185 rpm Factory O O O OKit #6 850-1045 rpm Factory O O O OKit #7 945-1185 rpm Factory O O O O

Kit #8 1045-1285 rpm Factory O O O OKit #10 1045-1285 rpm Factory O OKit #11 1135-1365 rpm Factory O O

CABINETCoil Guards C1GARD20C11 54W79 X X

C1GARD20C31 54W80 X XHail Guards C1GARD10C11 54W83 X X

C1GARD10C31 54W84 X XCONTROLSCommercial Controls L Connection® Building Automation System - - - X X X XSmoke Detector - Supply or Return (Power board and one sensor) C1SNSR44C-1 53W82 X X X XSmoke Detector - Supply and Return (Power board and two sensors) C1SNSR43C-1 53W83 X X X XINDOOR AIR QUALITYAir FiltersHealthy Climate® High Efficiency Air Filters24 x 24 x 2 (Order 6 per unit)

MERV 8 - C1FLTR15C-1- 54W67 X X X XMERV 13 - C1FLTR40C-1- 52W40 X X X X

Replacement Media Filter With Metal Mesh Frame (includes non-pleated filter media)

C1FLTR30C-1- 44N61 X X X X

Indoor Air Quality (CO2) SensorsSensor - Wall-mount, off-white plastic cover with LCD display C0SNSR50AE1L 77N39 X X X XSensor - Wall-mount, off-white plastic cover, no display C0SNSR52AE1L 87N53 X X X XSensor - Black plastic case with LCD display, rated for plenum mounting C0SNSR51AE1L 87N52 X X X XSensor - Wall-mount, black plastic case, no display, rated for plenum mounting

C0MISC19AE1 87N54 X X X X

CO2 Sensor Duct Mounting Kit - for downflow applications C0MISC19AE1- 85L43 X X X XAspiration Box - for duct mounting non-plenum rated CO2 sensors(87N53 or 77N39)

C0MISC16AE1- 90N43 X X X X

UVC Germicidal Light Kit1 Healthy Climate® UVC Light Kit (110/230v-1ph) C1UVCL10C-1 54W65 X X X X

1 Lamps operate on 110-230V single-phase power supply. Step-down transformer must be field supplied for field installation in 460V and 575V rooftop units (transformer is furnished for factory installed light kits). Alternately, a separate 110V power supply may be used to directly power the UVC ballast(s)

NOTE - Catalog and model numbers shown are for ordering field installed accessories. OX - Configure To Order (Factory Installed) or Field Installed O = Configure To Order (Factory Installed) X = Field Installed

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 9

OPTIONS / ACCESSORIES

Item Description Model Number

Catalog Number 180 210 240 300

ELECTRICAL

Voltage 60 hz 208/230V - 3 phase Factory O O O O

460V - 3 phase Factory O O O O

575V - 3 phase Factory O O O O

Disconnect Switch (see Electric Heat Tables for usage, )

80 amp - C1DISC080C-1 54W85 OX OX OX OX150 amp - C1DISC150C-1 54W86 OX OX OX OX250 amp - C1DISC250C-1 54W87 OX OX OX OX

GFI Service Outlets Field wired - LTAGFIK10/15 74M70 OX OX OX OX

ELECTRIC HEAT

15 kW 208/230V-3ph - C1EH0150C-1Y 53W84 X X X X

460V-3ph - C1EH0150C-1G 53W86 X X X X

575V-3ph - C1EH0150C-1J 53W87 X X X X

30 kW 208/230V-3ph - C1EH0300C21Y 53W92 X X X X

460V-3ph - C1EH0300C21G 53W94 X X X X

575V-3ph - C1EH0300C21J 53W95 X X X X

45 kW 208/230V-3ph - C1EH0450C21Y 54W00 X X X X

460V-3ph - C1EH0450C21G 54W02 X X X X

575V-3ph - C1EH0450C21J 54W03 X X X X

60 kW 208/230V-3ph - C1EH0600C21Y 54W08 X X X X

460V-3ph - C1EH0600C21G 54W10 X X X X

575V-3ph - C1EH0600C21J 54W11 X X X X

90 kW 208/230V-3ph - C1EH0900C-1Y 54W12 X X X

460V-3ph - C1EH0900C-1G 54W14 X X X

575V-3ph - C1EH0900C-1J 54W15 X X X

ECONOMIZER

Economizer

Economizer - Downflow or Horizontal (Outdoor Air Hood furnished)

K1ECON20C-1 54W77 OX OX OX OX

Economizer Controls

Differential Enthalpy Order 2 - C1SNSR64FF1 53W64 X X X X

Single Enthalpy C1SNSR64FF1 53W64 OX OX OX OX

Downflow Barometric Relief Dampers

Barometric Relief Dampers with Exhaust Hood C1DAMP50C 54W78 OX OX OX OX

Horizontal Barometric Relief Dampers

Barometric Relief Dampers with ExhaustHood LAGEDH18/24 16K99 X X X XNOTE - Catalog and model numbers shown are for ordering field installed accessories. OX - Configure To Order (Factory Installed) or Field Installed O = Configure To Order (Factory Installed) X = Field Installed

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 10

OPTIONS / ACCESSORIES

Item Description Model Number

Catalog Number 180 210 240 300

OUTDOOR AIROutdoor Air DampersMotorized Dampers with Outdoor Air Hood K1DAMP20C-1 58W62 OX OX OX OXManual Dampers With Outdoor Air Hood C1DAMP10C-1 54W76 OX OX OX OXPOWER EXHAUSTStandard Static 208/230V - C1PWRE10C-1Y 54W70 X X X X

460V - C1PWRE10C-1G 54W71 X X X X575V - C1PWRE10C-1J 54W72 X X X X

ROOF CURBS - DOWNFLOWClip Curb8 in. height C1CURB40CD1 26W32 X X X X14 in. height LARMF18/30S-14 33K44 X X X X18 in. height LARMF18/30S-18 33K45 X X X X24 in. height LARMF18/30S-24 33K46 X X X XStandard14 in. height LARMF18/36-14 16K87 X X X X24 in. height LARMF18/36-24 16K88 X X X XAdjustable Pitched Curb14 in. height L1CURB55C 43W26 X X X XROOF CURBS - HORIZONTAL (REQUIRES HORIZONTAL RETURN AIR PANEL KIT)Standard26 in. height - slab applications LARMFH18/24-26 97J33 X X X37 in. height - rooftop applications LARMFH18/24-37 38K53 X X X30 in. height - slab applications LARMFH30/36-30 33K79 X41 in. height - rooftop applications LARMFH30/36-41 38K54 XInsulation Kit For Standard Horizontal Curbsfor LARMFH18/24-26 C1INSU11C-1- 73K32 X X Xfor LARMFH18/24-37 C1INSU13C-1- 73K34 X X Xfor LARMFH30/36-30 C1INSU12C-1- 73K33 Xfor LARMFH30/36-41 C1INSU14C-1- 73K35 XHorizontal Return Air Panel KitRequired for Horizontal Applications with Roof Curb C1HRAP10C-1- 87M00 X X X XCEILING DIFFUSERSStep-Down - Order one RTD11-185 29G06 X

RTD11-275-R 29G07 X X XRTD11-150/180S (Canada only) 13K63 X

RTD11-275S (Canada only) 13K64 X X XFlush - Order one FD11-185 29G10 X

FD11-275-R 29G11 X X XFD11-150/180S (Canada only) 13K58 X

FD11-275S (Canada only) 13K59 X X XTransitions (Supply and Return) - Order one LASRT18 19K01 X

LASRT21/24 19K02 X X XLASRT18S (Canada only) 33K48 X

LASRT21/24S (Canada only) 33K49 X X XNOTE - Catalog and model numbers shown are for ordering field installed accessories. OX - Configure To Order (Factory Installed) or Field Installed O = Configure To Order (Factory Installed) X = Field Installed

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 11

SPECIFICATIONSGeneral Data Nominal Tonnage 15 Ton 17.5 Ton 20 Ton 25 Ton

Model Number KCA180S4B KCA210S4B KCA240S4B KCA300S4BEfficiency Type Standard Standard Standard Standard

Blower Type Constant Air Volume CAV

Constant Air Volume CAV

Constant Air Volume CAV

Constant Air Volume CAV

Cooling Performance

Gross Cooling Capacity - Btuh 182,000 204,000 238,000 282,0001 Net Cooling Capacity - Btuh 176,000 198,000 228,000 270,000

AHRI Rated Air Flow - cfm 6000 6125 7700 8750Total Unit Power - kW 16.0 18.0 20.8 26.9

1 EER (Btuh/Watt) 11.0 11.0 11.0 10.02 IEER (Btuh/Watt) 11.2 11.2 11.2 10.1

Refrigerant Type R-410A R-410A R-410A R-410ARefrigerant Charge Furnished

Circuit 1 14 lbs. 0 oz. 10 lbs. 8 oz. 14 lbs. 0 oz. 14 lbs. 8 oz.Circuit 2 14 lbs. 0 oz. 10 lbs. 8 oz. 14 lbs. 0 oz. 14 lbs. 8 oz.Circuit 3 N/A 10 lbs. 8 oz. 14 lbs. 0 oz. 14 lbs. 8 oz.

Electric Heat Available, see page 9 15-30-45-60 kW 15-30-45-60-90 kWCompressor Type (number) Scroll (2) Scroll (3) Scroll (3) Scroll (3)Outdoor Coils

Net face area (total) - sq. ft. 41.40 41.40 55.20 55.20Tube diameter - in. 3/8 3/8 3/8 3/8

Number of rows 2 2 2 2Fins per inch 20 20 20 20

Outdoor Coil Fans

Motor - (No.) horsepower (3) 1/3 (3) 1/3 (4) 1/3 (4) 1/3Motor rpm 1075 1075 1075 1075

Total Motor watts 1100 1100 1500 1500Diameter - (No.) in. (3) 24 (3) 24 (4) 24 (4) 24

Number of blades 3 3 3 3Total Air volume - cfm 12,000 12,000 16,000 16,000

Indoor Coils Net face area (total) - sq. ft. 18.60 21.40 21.40 21.40Tube diameter - in. 3/8 3/8 3/8 3/8

Number of rows 3 3 4 4Fins per inch 14 14 14 14

Drain connection - No. and size (1) 1 in. FPT (1) 1 in. FPT (1) 1 in. FPT (1) 1 in. FPTExpansion device type Balance port TXV, removable head

3 IndoorBlower and Drive Selection

Nominal motor output 3 hp, 5 hp, 7.5 hp 3 hp, 5 hp, 7.5 hp 5 hp, 7.5 hp, 10 hp 5 hp, 7.5 hp, 10 hpMaximum usable motor

output (US Only)3.45 hp, 5.75 hp,

8.62 hp3.45 hp, 5.75 hp,

8.62 hp5.75 hp, 8.62 hp,

11.5 hp5.75 hp, 8.62 hp,

11.5 hpMotor - Drive kit number 3 hp

Kit 1 535-725 rpmKit 2 710-965 rpm

5 hpKit 3 685-856 rpm

Kit 4 850-1045 rpmKit 5 945-1185 rpm

7.5 hpKit 6 850-1045 rpmKit 7 945-1185 rpm

Kit 8 1045-1285 rpm

5 hpKit 3 685-856 rpm

Kit 4 850-1045 rpmKit 5 945-1185 rpm

7.5 hpKit 6 850-1045 rpmKit 7 945-1185 rpm

Kit 8 1045-1285 rpm10 hp

Kit 7 945-1185 rpmKit 10 1045-1285 rpmKit 11 1135-1365 rpm

Blower wheel nominal diameter x width - in.

(2) 15 x 15 (2) 15 x 15 (2) 15 x 15 (2) 15 x 15

Filters Type of filter Fiberglass, disposableNumber and size - in. (6) 24 x 24 x 2

Electrical characteristics 208/230V, 460V or 575V - 60 hertz - 3 phaseNOTE - Net capacity includes evaporator blower motor heat deduction. Gross capacity does not include evaporator blower motor heat deduction. 1 Certified in accordance with the ULE certification program, which is based on AHRI Standard 340/360; 95°F outdoor air temperature and 80°F db/67°F wb entering evaporator air; minimum external duct static pressure. 2 Integrated Energy Efficiency Ratio certified and tested according to AHRI Standard 340/360.3 Using total air volume and system static pressure requirements determine from blower performance tables rpm and motor output required. Maximum usable output of motors furnished are shown. In Canada, nominal motor output is also maximum usable motor output. If motors of comparable output are used, be sure to keep within the service factor limitations outlined on the motor nameplate.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 12

RATINGSNOTE - For Temperatures and Capacities not shown in tables, see bulletin - Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.

17.5 TON STANDARD EFFICIENCY KCA210S4 (1ST STAGE)

Entering Wet Bulb

Temper-ature

Total Air

Volume

Outdoor Air Temperature Entering Outdoor Coil65°F 75°F 85°F 95°F

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Dry Bulb Dry Bulb Dry Bulb Dry Bulbcfm kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F

63°F5600 144.8 7.54 .71 .83 .94 139.7 8.33 .72 .84 .96 133.9 9.20 .73 .85 .97 127.7 10.17 .74 .87 .997000 152.4 7.61 .75 .88 1.00 146.8 8.39 .76 .90 1.00 140.7 9.26 .77 .92 1.00 134.0 10.23 .79 .94 1.008400 158.1 7.66 .78 .94 1.00 152.0 8.44 .80 .95 1.00 145.8 9.31 .82 .97 1.00 138.8 10.28 .83 .99 1.00

67°F5600 153.0 7.62 .57 .69 .79 147.7 8.40 .58 .69 .81 141.7 9.27 .58 .70 .82 135.3 10.24 .59 .72 .847000 161.2 7.69 .59 .73 .85 155.4 8.47 .60 .74 .86 149.0 9.34 .61 .75 .88 142.0 10.31 .61 .76 .908400 167.2 7.74 .61 .76 .90 161.1 8.52 .62 .78 .92 154.2 9.38 .63 .79 .94 146.9 10.35 .64 .81 .96

71°F5600 160.8 7.68 .44 .55 .66 155.2 8.47 .44 .56 .67 149.4 9.34 .44 .56 .68 142.9 10.31 .45 .57 .697000 169.6 7.76 .44 .58 .70 163.5 8.54 .44 .58 .71 156.9 9.41 .45 .59 .73 149.8 10.38 .45 .60 .748400 176.1 7.82 .45 .60 .74 169.8 8.60 .45 .61 .75 162.5 9.46 .46 .62 .77 155.1 10.44 .46 .63 .79

17.5 TON STANDARD EFFICIENCY KCA210S4 (2ND STAGE)

Entering Wet Bulb

Temper-ature

Total Air

Volume

Outdoor Air Temperature Entering Outdoor Coil85°F 95°F 105°F 115°F

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Dry Bulb Dry Bulb Dry Bulb Dry Bulbcfm kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F

63°F5600 198.1 13.91 .74 .87 .99 188.7 15.37 .75 .89 1.00 178.9 16.99 .77 .91 1.00 167.7 18.80 .79 .94 1.007000 207.8 14.01 .79 .93 1.00 197.9 15.46 .80 .96 1.00 187.0 17.08 .82 .98 1.00 175.4 18.89 .85 1.00 1.008400 215.1 14.08 .83 .99 1.00 204.4 15.53 .85 1.00 1.00 194.3 17.17 .87 1.00 1.00 183.8 19.01 .90 1.00 1.00

67°F5600 209.7 14.03 .59 .71 .84 200.1 15.49 .59 .73 .86 189.5 17.11 .60 .74 .88 178.3 18.94 .61 .77 .907000 219.9 14.13 .61 .76 .90 209.5 15.58 .62 .78 .92 198.5 17.21 .64 .80 .95 186.1 19.04 .65 .82 .988400 227.4 14.20 .64 .81 .96 216.3 15.66 .65 .83 .98 204.6 17.29 .67 .85 1.00 191.4 19.11 .69 .88 1.00

71°F5600 221.1 14.14 .45 .57 .69 210.9 15.60 .44 .58 .70 200.4 17.23 .45 .59 .72 188.8 19.07 .45 .60 .747000 231.7 14.24 .45 .60 .74 221.4 15.71 .45 .61 .75 209.7 17.35 .46 .62 .77 196.9 19.18 .47 .64 .808400 240.0 14.32 .46 .63 .78 228.4 15.79 .47 .64 .80 216.4 17.43 .47 .66 .83 202.9 19.26 .49 .68 .85

15 TON STANDARD EFFICIENCY KCA180S4 (1ST STAGE)

Entering Wet Bulb

Temper-ature

Total Air

Volume

Outdoor Air Temperature Entering Outdoor Coil65°F 75°F 85°F 95°F

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Dry Bulb Dry Bulb Dry Bulb Dry Bulbcfm kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F

63°F4800 93.4 4.66 .68 .79 .89 90.3 5.16 .69 .80 .90 86.8 5.73 .70 .81 .92 83.2 6.36 .71 .82 .936000 98.9 4.74 .72 .83 .95 95.3 5.25 .73 .85 .96 91.5 5.81 .74 .86 .98 87.4 6.44 .75 .88 .997200 102.8 4.81 .75 .88 .99 98.9 5.31 .76 .89 1.00 94.9 5.87 .77 .91 1.00 90.5 6.50 .79 .93 1.00

67°F4800 98.3 4.74 .56 .66 .76 95.0 5.24 .56 .67 .77 91.4 5.81 .57 .67 .78 87.5 6.45 .57 .69 .796000 104.0 4.83 .58 .69 .80 100.4 5.33 .58 .70 .82 96.3 5.90 .59 .71 .83 92.1 6.53 .59 .73 .857200 108.2 4.90 .60 .73 .85 104.2 5.40 .60 .74 .86 100.0 5.96 .61 .75 .88 95.4 6.59 .62 .76 .90

71°F4800 102.9 4.82 .44 .54 .63 99.5 5.32 .43 .54 .64 95.8 5.89 .43 .55 .65 91.7 6.53 .44 .55 .666000 108.9 4.91 .44 .56 .67 105.1 5.42 .44 .56 .68 101.2 5.98 .45 .57 .69 96.6 6.62 .44 .58 .707200 113.5 4.99 .45 .58 .70 109.2 5.49 .44 .59 .71 104.8 6.05 .45 .59 .73 100.3 6.69 .45 .60 .74

15 TON STANDARD EFFICIENCY KCA180S4 (2ND STAGE)

Entering Wet Bulb

Temper-ature

Total Air

Volume

Outdoor Air Temperature Entering Outdoor Coil85°F 95°F 105°F 115°F

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Dry Bulb Dry Bulb Dry Bulb Dry Bulbcfm kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F

63°F4800 172.3 11.90 .72 .84 .95 164.8 13.20 .73 .86 .97 156.5 14.68 .74 .88 .99 147.5 16.36 .76 .90 1.006000 180.6 12.06 .76 .90 1.00 172.3 13.36 .78 .92 1.00 163.6 14.84 .79 .94 1.00 154.1 16.51 .81 .97 1.007200 186.8 12.18 .80 .95 1.00 178.2 13.48 .82 .97 1.00 168.8 14.96 .84 .99 1.00 159.5 16.64 .86 1.00 1.00

67°F4800 181.4 12.08 .58 .70 .81 173.5 13.39 .58 .71 .82 164.9 14.87 .59 .72 .84 155.6 16.55 .60 .74 .876000 190.3 12.25 .60 .74 .87 181.5 13.56 .60 .76 .89 172.4 15.03 .62 .77 .91 162.4 16.71 .63 .79 .947200 196.6 12.38 .62 .78 .92 187.5 13.68 .64 .80 .95 177.7 15.15 .65 .82 .97 167.0 16.81 .67 .84 .99

71°F4800 190.2 12.26 .44 .56 .67 181.9 13.57 .44 .57 .68 173.3 15.06 .44 .57 .70 163.7 16.74 .45 .59 .726000 199.5 12.44 .45 .59 .72 190.6 13.75 .45 .59 .73 181.1 15.23 .45 .61 .75 170.8 16.91 .46 .62 .777200 206.3 12.58 .46 .61 .76 196.8 13.88 .46 .62 .78 186.6 15.36 .47 .64 .80 175.5 17.02 .48 .66 .82

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 13

RATINGSNOTE - For Temperatures and Capacities not shown in tables, see bulletin - Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section.

25 TON STANDARD EFFICIENCY KCA300S4 (1ST STAGE)

Entering Wet Bulb

Temper-ature

Total Air

Volume

Outdoor Air Temperature Entering Outdoor Coil65°F 75°F 85°F 95°F

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Dry Bulb Dry Bulb Dry Bulb Dry Bulbcfm kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F

63°F8000 196.0 10.26 .70 .82 .94 188.7 11.34 .71 .83 .95 181.3 12.56 .72 .85 .97 173.2 13.94 .73 .87 .99

10000 205.2 10.44 .74 .88 1.00 197.7 11.52 .76 .90 1.00 189.7 12.74 .76 .91 1.00 181.1 14.12 .78 .93 1.0012000 212.7 10.59 .78 .93 1.00 204.9 11.67 .80 .95 1.00 196.4 12.89 .81 .97 1.00 187.2 14.27 .83 .99 1.00

67°F8000 207.3 10.49 .56 .68 .79 199.9 11.57 .57 .69 .80 192.0 12.79 .57 .70 .81 183.3 14.17 .58 .71 .83

10000 216.9 10.67 .59 .72 .85 209.0 11.76 .59 .73 .86 200.0 12.97 .60 .74 .88 191.0 14.35 .61 .76 .9012000 223.9 10.82 .61 .76 .90 215.4 11.89 .62 .77 .92 206.5 13.11 .63 .79 .95 196.4 14.49 .64 .81 .97

71°F8000 218.6 10.71 .43 .55 .65 211.2 11.81 .44 .55 .66 202.5 13.02 .44 .56 .67 193.6 14.42 .44 .56 .68

10000 228.8 10.92 .44 .58 .69 220.2 12.01 .45 .58 .71 211.3 13.23 .45 .59 .72 201.6 14.61 .45 .60 .7412000 235.7 11.06 .45 .60 .74 226.8 12.14 .46 .61 .75 217.6 13.37 .46 .62 .77 207.1 14.75 .47 .63 .79

25 TON STANDARD EFFICIENCY KCA300S4 (2ND STAGE)

Entering Wet Bulb

Temper-ature

Total Air

Volume

Outdoor Air Temperature Entering Outdoor Coil85°F 95°F 105°F 115°F

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Dry Bulb Dry Bulb Dry Bulb Dry Bulbcfm kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F

63°F8000 275.0 19.11 .74 .88 1.00 262.3 21.17 .75 .90 1.00 249.1 23.53 .77 .92 1.00 235.0 26.18 .79 .95 1.00

10000 287.2 19.39 .79 .95 1.00 273.9 21.46 .81 .97 1.00 260.1 23.80 .83 .99 1.00 245.2 26.46 .86 1.00 1.0012000 296.3 19.60 .85 1.00 1.00 283.3 21.68 .87 1.00 1.00 269.8 24.06 .89 1.00 1.00 256.1 26.76 .92 1.00 1.00

67°F8000 290.8 19.48 .59 .72 .85 277.1 21.54 .59 .73 .87 263.3 23.89 .60 .75 .89 248.3 26.54 .62 .77 .92

10000 302.6 19.74 .62 .77 .92 288.0 21.81 .63 .79 .94 273.2 24.15 .64 .81 .97 257.2 26.80 .66 .84 .9912000 310.6 19.94 .65 .83 .98 295.9 22.01 .66 .85 1.00 280.1 24.35 .68 .87 1.00 262.7 26.97 .70 .90 1.00

71°F8000 306.4 19.85 .44 .57 .69 292.2 21.92 .44 .58 .71 277.9 24.28 .45 .59 .72 262.0 26.93 .45 .60 .74

10000 318.3 20.12 .45 .60 .75 303.5 22.20 .46 .62 .77 287.5 24.54 .46 .63 .79 270.7 27.19 .47 .65 .8212000 326.5 20.33 .47 .64 .80 311.1 22.39 .48 .66 .83 294.9 24.74 .48 .67 .85 277.0 27.37 .49 .69 .88

20 TON STANDARD EFFICIENCY KCA240S4 (1ST STAGE)

Entering Wet Bulb

Temper-ature

Total Air

Volume

Outdoor Air Temperature Entering Outdoor Coil65°F 75°F 85°F 95°F

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Dry Bulb Dry Bulb Dry Bulb Dry Bulbcfm kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F

63°F6400 164.2 7.91 .69 .81 .93 158.0 8.79 .70 .82 .94 151.3 9.79 .71 .84 .96 144.4 10.90 .72 .86 .988000 172.6 7.97 .73 .87 .99 165.8 8.86 .74 .89 1.00 159.0 9.86 .75 .91 1.00 151.4 10.97 .77 .93 1.009600 179.4 8.02 .77 .93 1.00 172.1 8.92 .78 .95 1.00 164.9 9.92 .80 .97 1.00 157.2 11.04 .82 .99 1.00

67°F6400 174.2 7.98 .56 .67 .77 167.6 8.88 .56 .68 .79 160.6 9.88 .56 .68 .80 153.5 11.00 .57 .70 .828000 183.0 8.05 .58 .71 .84 175.7 8.95 .59 .72 .85 168.1 9.96 .59 .73 .87 160.3 11.07 .61 .75 .909600 189.3 8.10 .60 .75 .90 181.7 9.00 .61 .76 .92 173.5 10.01 .62 .78 .94 165.1 11.12 .63 .80 .96

71°F6400 184.3 8.06 .43 .54 .64 177.4 8.97 .43 .54 .65 169.9 9.97 .43 .55 .66 162.3 11.09 .43 .56 .688000 193.3 8.13 .44 .56 .68 185.9 9.05 .44 .57 .69 177.6 10.05 .44 .57 .71 169.5 11.17 .45 .59 .739600 200.0 8.19 .45 .58 .73 192.0 9.11 .45 .60 .74 183.5 10.12 .46 .61 .76 174.2 11.22 .46 .62 .78

20 TON STANDARD EFFICIENCY KCA240S4 (2ND STAGE)

Entering Wet Bulb

Temper-ature

Total Air

Volume

Outdoor Air Temperature Entering Outdoor Coil85°F 95°F 105°F 115°F

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Total Cool Cap.

Comp. Motor Input

Sensible To Total Ratio (S/T)

Dry Bulb Dry Bulb Dry Bulb Dry Bulbcfm kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F kBtuh kW 75°F 80°F 85°F

63°F6400 227.0 14.83 .73 .87 .99 216.6 16.50 .74 .89 1.00 205.5 18.36 .76 .91 1.00 193.5 20.41 .78 .95 1.008000 237.9 14.95 .78 .94 1.00 226.5 16.61 .80 .97 1.00 214.8 18.46 .82 .99 1.00 202.2 20.50 .85 1.00 1.009600 246.0 15.03 .84 1.00 1.00 234.6 16.71 .86 1.00 1.00 223.9 18.57 .88 1.00 1.00 211.7 20.61 .91 1.00 1.00

67°F6400 240.7 14.98 .58 .71 .83 229.3 16.65 .58 .72 .85 217.7 18.50 .60 .74 .88 204.6 20.53 .61 .76 .918000 251.1 15.09 .61 .76 .91 238.8 16.76 .62 .78 .94 226.1 18.60 .64 .80 .96 212.1 20.62 .65 .83 .999600 258.6 15.17 .64 .81 .98 245.6 16.84 .65 .84 1.00 232.1 18.67 .67 .86 1.00 217.9 20.68 .69 .89 1.00

71°F6400 254.3 15.13 .44 .56 .68 242.1 16.80 .44 .57 .69 230.2 18.65 .44 .58 .71 216.2 20.66 .45 .60 .748000 265.2 15.25 .45 .60 .74 252.0 16.91 .45 .61 .76 238.6 18.75 .46 .62 .78 224.1 20.76 .47 .64 .809600 272.6 15.33 .46 .63 .79 258.9 17.00 .47 .64 .81 244.3 18.82 .47 .66 .84 229.6 20.82 .48 .68 .87

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 14

BLOWER DATA

BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL & AIR FILTERS IN PLACE FOR ALL UNITS ADD:

1 - Wet indoor coil air resistance of selected unit. 2 - Any factory installed options air resistance (heat section, economizer, etc.) 3 - Any field installed accessories air resistance (duct resistance, diffuser, etc.)

Then determine from blower table blower motor output and drive required. See page 15 for wet coil and option/accessory air resistance data. See page 15 for factory installed drive kit specifications.MINIMUM AIR VOLUME REQUIRED FOR USE WITH OPTIONAL ELECTRIC HEAT

All units require 6000 cfm minimum air with electric heat.

Air Volume

cfm

TOTAL STATIC PRESSURE - In. w.g.

0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60

RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP

4750 575 1.10 660 1.45 740 1.80 810 2.15 870 2.50 930 2.85 985 3.20 1040 3.55 1085 3.90 1135 4.25 1180 4.65 1225 5.00

5000 585 1.25 670 1.60 750 1.95 815 2.30 880 2.70 940 3.05 995 3.40 1045 3.80 1095 4.15 1140 4.50 1185 4.90 1230 5.30

5250 595 1.35 680 1.70 755 2.10 825 2.50 890 2.90 945 3.25 1000 3.65 1050 4.00 1100 4.40 1150 4.80 1195 5.20 1235 5.60

5500 605 1.45 690 1.85 765 2.25 835 2.65 895 3.05 955 3.45 1010 3.85 1060 4.25 1110 4.70 1155 5.10 1200 5.50 1240 5.90

5750 615 1.60 700 2.00 775 2.45 840 2.85 905 3.25 960 3.65 1015 4.10 1065 4.50 1115 4.95 1160 5.35 1205 5.80 1250 6.25

6000 630 1.75 710 2.15 785 2.60 850 3.05 910 3.45 970 3.90 1025 4.35 1075 4.80 1120 5.20 1170 5.65 1215 6.10 1255 6.55

6250 640 1.90 720 2.35 795 2.80 860 3.25 920 3.70 975 4.15 1030 4.60 1080 5.05 1130 5.50 1175 5.95 1220 6.45 1265 6.90

6500 650 2.05 730 2.50 805 3.00 870 3.45 930 3.95 985 4.40 1040 4.85 1090 5.35 1140 5.85 1185 6.30 1225 6.75 1270 7.25

6750 665 2.20 745 2.70 815 3.20 880 3.70 940 4.20 995 4.65 1045 5.10 1095 5.60 1145 6.10 1190 6.60 1235 7.10 1275 7.60

7000 675 2.35 755 2.90 825 3.40 890 3.95 950 4.45 1005 4.95 1055 5.40 1105 5.95 1155 6.45 1200 6.95 1240 7.45 1285 8.00

7250 690 2.60 765 3.10 835 3.65 900 4.15 955 4.65 1015 5.25 1065 5.75 1115 6.25 1160 6.75 1205 7.30 1250 7.85 1290 8.35

7500 700 2.75 775 3.30 845 3.85 910 4.45 965 4.95 1020 5.50 1075 6.05 1125 6.60 1170 7.15 1215 7.65 1260 8.25 1300 8.75

7750 715 3.00 790 3.55 855 4.10 920 4.70 975 5.25 1030 5.80 1080 6.35 1130 6.90 1180 7.50 1225 8.05 1265 8.60 1305 9.15

8000 725 3.20 800 3.80 865 4.35 930 4.95 985 5.50 1040 6.10 1090 6.70 1140 7.25 1185 7.85 1230 8.40 1275 9.00 1315 9.60

8250 740 3.40 810 4.00 880 4.65 940 5.25 995 5.85 1050 6.45 1100 7.05 1150 7.65 1195 8.25 1240 8.85 1280 9.40 1325 10.05

8500 750 3.65 825 4.30 890 4.90 950 5.55 1005 6.15 1060 6.80 1110 7.40 1160 8.05 1205 8.65 1250 9.25 1290 9.85 1330 10.45

8750 765 3.90 835 4.55 900 5.20 960 5.85 1015 6.45 1070 7.15 1120 7.75 1165 8.35 1215 9.05 1255 9.65 1300 10.30 1340 10.90

9000 780 4.20 850 4.85 910 5.50 970 6.15 1025 6.80 1080 7.50 1130 8.15 1175 8.75 1220 9.40 1265 10.10 1310 10.80 1350 11.40

9250 790 4.45 860 5.15 925 5.85 985 6.55 1040 7.20 1090 7.85 1140 8.55 1185 9.20 1230 9.85 1275 10.55 1315 11.20 - - - - - -

9500 805 4.75 875 5.45 935 6.15 995 6.90 1050 7.60 1100 8.25 1150 8.95 1195 9.60 1240 10.30 1285 11.05 - - - - - - - - - - - -

9750 820 5.05 885 5.75 950 6.55 1005 7.20 1060 7.95 1110 8.65 1160 9.40 1205 10.05 1250 10.80 1295 11.50 - - - - - - - - - - - -

10,000 835 5.40 900 6.15 960 6.85 1015 7.60 1070 8.35 1120 9.05 1170 9.80 1215 10.50 1260 11.25 - - - - - - - - - - - - - - - - - -

10,250 845 5.65 910 6.45 970 7.20 1030 8.00 1080 8.75 1135 9.55 1180 10.25 1225 11.00 - - - - - - - - - - - - - - - - - - - - - - - -

10,500 860 6.00 925 6.85 985 7.65 1040 8.40 1095 9.20 1145 10.00 1190 10.70 1235 11.45 - - - - - - - - - - - - - - - - - - - - - - - -

10,750 875 6.40 940 7.25 1000 8.05 1055 8.85 1105 9.65 1155 10.45 1200 11.20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

11,000 890 6.80 950 7.60 1010 8.45 1065 9.30 1115 10.05 1165 10.90 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 15

FACTORY INSTALLED OPTIONS/FIELD INSTALLED ACCESSORY AIR RESISTANCE - in. w.g.

Air Volume cfm

Wet Indoor CoilElectric Heat Economizer

Filters Horizontal Roof Curb

180S 210S 240S 300S MERV 8 MERV 13 180S thru

240S 300S

4000 .02 .02 .04 - - - - - - .04 .06 .06 - - -

4250 .02 .02 .04 - - - - - - .04 .06 .07 - - -

4500 .02 .02 .05 - - - - - - .04 .07 .07 .02

4750 .02 .02 .05 - - - - - - .04 .07 .08 .03

5000 .03 .02 .05 - - - - - - .05 .07 .08 .03

5250 .03 .02 .06 - - - - - - .05 .07 .09 .04

5500 .03 .02 .07 - - - - - - .05 .07 .10 .04

5750 .03 .03 .07 - - - - - - .05 .08 .11 .05

6000 .04 .03 .08 .01 - - - .05 .08 .11 .06

6250 .04 .03 .08 .01 .01 .05 .08 .12 .07

6500 .04 .03 .09 .01 .02 .05 .08 .13 .08

6750 .05 .04 .10 .01 .03 .05 .08 .14 .08

7000 .05 .04 .10 .01 .04 .06 .08 .15 .09

7250 .06 .04 .11 .01 .05 .06 .09 .16 .10

7500 .06 .05 .12 .01 .06 .06 .09 .17 .11

8000 .07 .05 .13 .02 .09 .06 .09 .19 .13

8500 .08 .06 .15 .02 .11 .06 .09 .21 .15

9000 .09 .07 .16 .04 .14 .07 .10 .24 .17

9500 .10 .08 .18 .05 .16 .07 .10 .26 .19

10,000 .11 .08 .20 .06 .19 .07 .11 .29 .21

10,500 .12 .09 .22 .09 .22 .07 .11 .31 .24

11,000 .14 .11 .24 .11 .25 .08 .11 .34 .27

BLOWER DATAFACTORY INSTALLED BELT DRIVE KIT SPECIFICATIONS

Nominal hp

Maximum hp

Drive Kit Number RPM Range

3 3.45 1 535 - 7253 3.45 2 710 - 9655 5.75 3 685 - 8565 5.75 4 850 - 10455 5.75 5 945 - 1185

7.5 8.63 6 850 - 10457.5 8.63 7 945 - 11857.5 8.63 8 1045 - 128510 11.50 7 945 - 118510 11.50 10 1045 - 128510 11.50 11 1135 - 1365

NOTE - Using total air volume and system static pressure requirements determine from blower performance tables rpm and motor output required. Maximum usable output of motors furnished are shown. In Canada, nominal motor output is also maximum usable motor output. If motors of comparable output are used, be sure to keep within the service factor limitations outlined on the motor nameplate.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 16

BLOWER DATA

POWER EXHAUST FAN PERFORMANCE Return Air System Static Pressure Air Volume Exhausted

in. w.g. cfm 0.00 86300.05 82100.10 77250.15 71100.20 64700.25 57900.30 50600.35 43000.40 35100.45 26900.50 1840

CEILING DIFFUSER AIR RESISTANCE - in. w.g.

Air Volume

cfm

Step-Down Diffuser Flush DiffuserRTD11-185 RTD11-275

FD11-185 FD11-2752 Ends Open 1 Side/2 Ends

OpenAll Ends & Sides Open 2 Ends Open 1 Side/2 Ends

OpenAll Ends & Sides Open

5000 .51 .44 .39 - - - - - - - - - .27 - - -5200 .56 .48 .42 - - - - - - - - - .30 - - -5400 .61 .52 .45 - - - - - - - - - .33 - - -5600 .66 .56 .48 - - - - - - - - - .36 - - -5800 .71 .59 .51 - - - - - - - - - .39 - - -6000 .76 .63 .55 .36 .31 .27 .42 .296200 .80 .68 .59 - - - - - - - - - .46 - - -6400 .86 .72 .63 - - - - - - - - - .50 - - -6500 - - - - - - - - - .42 .36 .31 - - - .346600 .92 .77 .67 - - - - - - - - - .54 - - -6800 .99 .83 .72 - - - - - - - - - .58 - - -7000 1.03 .87 .76 .49 .41 .36 .62 .407200 1.09 .92 .80 - - - - - - - - - .66 - - -7400 1.15 .97 .84 - - - - - - - - - .70 - - -7500 - - - - - - - - - .51 .46 .41 - - - .457600 1.20 1.02 .88 - - - - - - - - - .74 - - -8000 - - - - - - - - - .59 .49 .43 - - - .508500 - - - - - - - - - .69 .58 .50 - - - .579000 - - - - - - - - - .79 .67 .58 - - - .669500 - - - - - - - - - .89 .75 .65 - - - .74

10,000 - - - - - - - - - 1.00 .84 .73 - - - .8110,500 - - - - - - - - - 1.10 .92 .80 - - - .8911,000 - - - - - - - - - 1.21 1.01 .88 - - - .96

CEILING DIFFUSER AIR THROW DATA

Model No.

Air Volume cfm

1 Effective Throw Range - ft.Model

No.Air Volume

cfm

1 Effective Throw Range - ft.RTD11-185 Step-Down

FD11-185 Flush

RTD11-275 Step-Down

FD11-275 Flush

180

5600 39 - 49 28 - 37

210 240 300

7200 33 - 38 26 - 355800 42 - 51 29 - 38 7400 35 - 40 28 - 376000 44 - 54 40 - 50 7600 36 - 41 29 - 386200 45 - 55 42 - 51 7800 38 - 43 40 - 506400 46 - 55 43 - 52 8000 39 - 44 42 - 516600 47 - 56 45 - 56 8200 41 - 46 43 - 52

1 Throw is the horizontal or vertical distance an airstream travels on leaving the outletor diffuser before the maximum velocity is reduced to 50 ft. per minute. Four sides open.

8400 43 - 49 44 - 548600 44 - 50 46 - 578800 47 - 55 48 - 59

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 17

ELECTRICAL/ELECTRIC HEAT DATA 15 TON15 TON STANDARD EFFICIENCY KCA180S41 Voltage - 60hz 208/230V - 3 Ph 460V - 3 Ph 575V - 3 PhCompressor 1 Rated Load Amps 25 12.2 9

Locked Rotor Amps 164 100 78Compressor 2 Rated Load Amps 25 12.2 9

Locked Rotor Amps 164 100 78Outdoor FanMotors (3)

Full Load Amps 2.4 1.3 1(total) (7.2) (3.9) (3)

Power Exhaust(2) 0.33 HP

Full Load Amps 2.4 1.3 1(total) (4.8) (2.6) (2)

Service Outlet 115V GFI (amps) 15 15 15Indoor BlowerMotor

Horsepower 3 5 7.5 3 5 7.5 3 5 7.5Full Load Amps 10.6 16.7 24.2 4.8 7.6 11 3.9 6.1 9

2 MaximumOvercurrentProtection

Unit Only 90 100 110 45 50 50 35 35 40With (2) 0.33 HP

Power Exhaust100 100 110 50 50 50 35 40 40

3 MinimumCircuitAmpacity

Unit Only 75 81 88 37 39 43 28 30 33With (2) 0.33 HP

Power Exhaust79 85 93 39 42 45 30 32 35

ELECTRIC HEAT DATA

Electric Heat Voltage 208V 240V 208V 240V 208V 240V 480V 480V 480V 600V 600V 600V2 MaximumOvercurrentProtection

Unit+Electric Heat

15 kW 90 90 100 100 110 110 45 50 50 35 35 4030 kW 100 110 100 125 110 125 60 60 60 45 45 5045 kW 150 150 150 175 150 175 80 80 90 60 70 7060 kW 150 175 150 175 175 175 80 90 90 70 70 70

3 MinimumCircuitAmpacity

Unit+Electric Heat

15 kW 75 75 81 81 88 88 37 39 43 28 30 3330 kW 92 104 100 112 109 121 52 55 59 41 44 4845 kW 131 149 139 157 148 166 74 78 82 60 62 6660 kW 139 158 146 166 156 175 79 82 86 63 66 69

2 MaximumOvercurrentProtection

Unit+Electric Heat

and (2) 0.33 HPPower Exhaust

15 kW 100 100 100 100 110 110 50 50 50 35 40 4030 kW 100 110 110 125 125 150 60 60 70 45 50 5045 kW 150 175 150 175 175 175 80 90 90 70 70 7060 kW 150 175 175 175 175 200 90 90 90 70 70 80

3 MinimumCircuitAmpacity

Unit+Electric Heat

and (2) 0.33 HPPower Exhaust

15 kW 79 79 85 85 93 93 39 42 45 30 32 3530 kW 98 110 106 118 115 127 55 58 63 44 47 5045 kW 137 155 145 163 154 172 77 81 85 62 65 6860 kW 145 164 152 172 162 181 82 85 90 66 68 72

ELECTRICAL ACCESSORIES

Disconnect Unit Only 54W85 54W85 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85

Unit + Electric Heat 15 kW 54W85 54W85 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 30 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 45 kW 54W86 54W86 54W86 54W86 54W87 54W87 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 60 kW 54W87 54W87 54W87 54W87 54W87 54W87 54W86 54W86 54W86 54W85 54W85 54W85

Unit + Power Exhaust + Elec. Heat 15 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 30 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 45 kW 54W86 54W86 54W86 54W86 54W87 54W87 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 60 kW 54W87 54W87 54W87 54W87 54W87 54W87 54W86 54W86 54W86 54W85 54W85 54W85

1 Extremes of operating range are plus and minus 10% of line voltage.2 HACR type breaker or fuse.3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 18

ELECTRICAL/ELECTRIC HEAT DATA 17.5 TON17.5 TON STANDARD EFFICIENCY KCA210S41 Voltage - 60hz 208/230V - 3 Ph 460V - 3 Ph 575V - 3 PhCompressor 1 Rated Load Amps 19 9.7 7.4

Locked Rotor Amps 123 62 50Compressor 2 Rated Load Amps 19 9.7 7.4

Locked Rotor Amps 123 62 50Compressor 3 Rated Load Amps 19 9.7 7.4

Locked Rotor Amps 123 62 50Outdoor FanMotors (3)

Full Load Amps 2.4 1.3 1(total) (7.2) (3.9) (3)

Power Exhaust(2) 0.33 HP

Full Load Amps 2.4 1.3 1(total) (4.8) (2.6) (2)

Service Outlet 115V GFI (amps) 15 15 15Indoor BlowerMotor

Horsepower 3 5 7.5 3 5 7.5 3 5 7.5Full Load Amps 10.6 16.7 24.2 4.8 7.6 11 3.9 6.1 9

2 MaximumOvercurrentProtection

Unit Only 90 100 110 45 50 50 35 40 45With (2) 0.33 HP

Power Exhaust100 100 110 50 50 60 40 40 45

3 MinimumCircuitAmpacity

Unit Only 80 86 95 41 44 47 31 34 37With (2) 0.33 HP

Power Exhaust85 91 100 43 46 50 33 36 39

ELECTRIC HEAT DATAElectric Heat Voltage 208V 240V 208V 240V 208V 240V 480V 480V 480V 600V 600V 600V2 MaximumOvercurrentProtection

Unit+Electric Heat

15 kW 90 90 100 100 110 110 45 50 50 35 40 4530 kW 100 110 100 125 110 125 60 60 60 45 45 5045 kW 150 150 150 175 150 175 80 80 90 60 70 7060 kW 150 175 150 175 175 175 80 90 90 70 70 7090 kW 225 250 225 250 225 250 125 125 125 100 100 100

3 MinimumCircuitAmpacity

Unit+Electric Heat

15 kW 80 80 86 86 95 95 41 44 47 31 34 3730 kW 92 104 100 112 109 121 52 55 59 41 44 4845 kW 131 149 139 157 148 166 74 78 82 60 62 6660 kW 139 158 146 166 156 175 79 82 86 63 66 6990 kW 201 230 209 238 218 247 115 118 123 92 95 98

2 MaximumOvercurrentProtection

Unit+Electric Heat

and (2) 0.33 HPPower Exhaust

15 kW 100 100 100 100 110 110 50 50 60 40 40 4530 kW 100 110 110 125 125 150 60 60 70 45 50 5045 kW 150 175 150 175 175 175 80 90 90 70 70 7060 kW 150 175 175 175 175 200 90 90 90 70 70 8090 kW 225 250 225 250 225 300 125 125 150 100 100 110

3 MinimumCircuitAmpacity

Unit+Electric Heat

and (2) 0.33 HPPower Exhaust

15 kW 85 85 91 91 100 100 43 46 50 33 36 3930 kW 98 110 106 118 115 127 55 58 63 44 47 5045 kW 137 155 145 163 154 172 77 81 85 62 65 6860 kW 145 164 152 172 162 181 82 85 90 66 68 7290 kW 207 236 215 244 224 253 118 122 126 94 97 101

ELECTRICAL ACCESSORIES

Disconnect Unit Only 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85

Unit + Electric Heat 15 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 30 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 45 kW 54W86 54W86 54W86 54W86 54W87 54W87 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 60 kW 54W87 54W87 54W87 54W87 54W87 54W87 54W86 54W86 54W86 54W85 54W85 54W85Unit + Electric Heat 90 kW 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 54W86 54W86 54W86 54W86 54W86 54W86

Unit + Power Exhaust + Elec. Heat 15 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 30 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 45 kW 54W86 54W86 54W86 54W86 54W87 54W87 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 60 kW 54W87 54W87 54W87 54W87 54W87 54W87 54W86 54W86 54W86 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 90 kW 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 54W86 54W86 54W86 54W86 54W86 54W86

1 Extremes of operating range are plus and minus 10% of line voltage.2 HACR type breaker or fuse.3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.4 Disconnect must be field furnished.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 19

ELECTRICAL/ELECTRIC HEAT DATA 20 TON20 TON STANDARD EFFICIENCY KCA240S41 Voltage - 60hz 208/230V - 3 Ph 460V - 3 Ph 575V - 3 PhCompressor 1 Rated Load Amps 22.4 10.6 7.7

Locked Rotor Amps 149 75 54Compressor 2 Rated Load Amps 22.4 10.6 7.7

Locked Rotor Amps 149 75 54Compressor 3 Rated Load Amps 22.4 10.6 7.7

Locked Rotor Amps 149 75 54Outdoor FanMotors (3)

Full Load Amps 2.4 1.3 1(total) (9.6) (5.2) (4)

Power Exhaust(2) 0.33 HP

Full Load Amps 2.4 1.3 1(total) (4.8) (2.6) (2)

Service Outlet 115V GFI (amps) 15 15 15Indoor BlowerMotor

Horsepower 5 7.5 10 5 7.5 10 5 7.5 10Full Load Amps 16.7 24.2 30.8 7.6 11 14 6.1 9 11

2 MaximumOvercurrentProtection

Unit Only 110 125 125 50 60 60 40 45 50With (2) 0.33 HP

Power Exhaust125 125 150 60 60 70 40 45 50

3 MinimumCircuitAmpacity

Unit Only 100 108 116 48 51 55 36 39 41With (2) 0.33 HP

Power Exhaust104 112 121 50 54 58 38 41 43

ELECTRIC HEAT DATAElectric Heat Voltage 208V 240V 208V 240V 208V 240V 480V 480V 480V 600V 600V 600V2 MaximumOvercurrentProtection

Unit+Electric Heat

15 kW 110 110 125 125 125 125 50 60 60 40 45 5030 kW 110 125 125 125 125 150 60 60 70 45 50 5045 kW 150 175 150 175 175 175 80 90 90 70 70 7060 kW 150 175 175 175 175 200 90 90 90 70 70 8090 kW 225 250 225 250 250 300 125 125 150 100 100 110

3 MinimumCircuitAmpacity

Unit+Electric Heat

15 kW 100 100 108 108 116 116 48 51 55 36 39 4130 kW 100 112 109 121 117 129 55 59 63 44 48 5045 kW 139 157 148 166 156 174 78 82 86 62 66 6860 kW 146 166 156 175 164 183 82 86 90 66 69 7290 kW 209 238 218 247 227 256 118 123 126 95 98 101

2 MaximumOvercurrentProtection

Unit+Electric Heat

and (2) 0.33 HPPower Exhaust

15 kW 125 125 125 125 150 150 60 60 70 40 45 5030 kW 125 125 125 150 150 150 60 70 70 50 50 6045 kW 150 175 175 175 175 200 90 90 90 70 70 8060 kW 175 175 175 200 175 200 90 90 100 70 80 8090 kW 225 250 225 300 250 300 125 150 150 100 110 110

3 MinimumCircuitAmpacity

Unit+Electric Heat

and (2) 0.33 HPPower Exhaust

15 kW 104 104 112 112 121 121 50 54 58 38 41 4330 kW 106 118 115 127 123 135 58 63 66 47 50 5345 kW 145 163 154 172 162 180 81 85 89 65 68 7160 kW 152 172 162 181 170 189 85 90 93 68 72 7490 kW 215 244 224 253 233 262 122 126 130 97 101 103

ELECTRICAL ACCESSORIES

Disconnect Unit Only 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85

Unit + Electric Heat 15 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 30 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 45 kW 54W86 54W86 54W87 54W87 54W87 54W87 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 60 kW 54W87 54W87 54W87 54W87 54W87 54W87 54W86 54W86 54W86 54W85 54W85 54W85Unit + Electric Heat 90 kW 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 54W86 54W86 54W86 54W86 54W86 54W86

Unit + Power Exhaust + Elec. Heat 15 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 30 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 45 kW 54W86 54W86 54W87 54W87 54W87 54W87 54W85 54W85 54W86 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 60 kW 54W87 54W87 54W87 54W87 54W87 54W87 54W86 54W86 54W86 54W85 54W85 54W86Unit + Power Exhaust + Elec. Heat 90 kW 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 54W86 54W86 54W86 54W86 54W86 54W86

1 Extremes of operating range are plus and minus 10% of line voltage.2 HACR type breaker or fuse.3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.4 Disconnect must be field furnished.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 20

ELECTRICAL/ELECTRIC HEAT DATA 25 TON25 TON STANDARD EFFICIENCY KCA300S41 Voltage - 60hz 208/230V - 3 Ph 460V - 3 Ph 575V - 3 PhCompressor 1 Rated Load Amps 25 12.2 9

Locked Rotor Amps 164 100 78Compressor 2 Rated Load Amps 25 12.2 9

Locked Rotor Amps 164 100 78Compressor 3 Rated Load Amps 25 12.2 9

Locked Rotor Amps 164 100 78Outdoor FanMotors (3)

Full Load Amps 2.4 1.3 1(total) (9.6) (5.2) (4)

Power Exhaust(2) 0.33 HP

Full Load Amps 2.4 1.3 1(total) (4.8) (2.6) (2)

Service Outlet 115V GFI (amps) 15 15 15Indoor BlowerMotor

Horsepower 5 7.5 10 5 7.5 10 5 7.5 10Full Load Amps 16.7 24.2 30.8 7.6 11 14 6.1 9 11

2 MaximumOvercurrentProtection

Unit Only 125 125 150 60 60 70 45 50 50With (2) 0.33 HP

Power Exhaust125 125 150 60 70 70 50 50 50

3 MinimumCircuitAmpacity

Unit Only 108 116 124 53 56 60 40 43 45With (2) 0.33 HP

Power Exhaust113 120 128 56 59 62 42 45 47

ELECTRIC HEAT DATAElectric Heat Voltage 208V 240V 208V 240V 208V 240V 480V 480V 480V 600V 600V 600V2 MaximumOvercurrentProtection

Unit+Electric Heat

15 kW 125 125 125 125 150 150 60 60 70 45 50 5030 kW 125 125 125 125 150 150 60 60 70 45 50 5045 kW 150 175 150 175 175 175 80 90 90 70 70 7060 kW 150 175 175 175 175 200 90 90 90 70 70 8090 kW 225 250 225 250 250 300 125 125 150 100 100 110

3 MinimumCircuitAmpacity

Unit+Electric Heat

15 kW 108 108 116 116 124 124 53 56 60 40 43 4530 kW 108 112 116 121 124 129 55 59 63 44 48 5045 kW 139 157 148 166 156 174 78 82 86 62 66 6860 kW 146 166 156 175 164 183 82 86 90 66 69 7290 kW 209 238 218 247 227 256 118 123 126 95 98 101

2 MaximumOvercurrentProtection

Unit+Electric Heat

and (2) 0.33 HPPower Exhaust

15 kW 125 125 125 125 150 150 60 70 70 50 50 5030 kW 125 125 125 150 150 150 60 70 70 50 50 6045 kW 150 175 175 175 175 200 90 90 90 70 70 8060 kW 175 175 175 200 175 200 90 90 100 70 80 8090 kW 225 250 225 300 250 300 125 150 150 100 110 110

3 MinimumCircuitAmpacity

Unit+Electric Heat

and (2) 0.33 HPPower Exhaust

15 kW 113 113 120 120 128 128 56 59 62 42 45 4730 kW 113 118 120 127 128 135 58 63 66 47 50 5345 kW 145 163 154 172 162 180 81 85 89 65 68 7160 kW 152 172 162 181 170 189 85 90 93 68 72 7490 kW 215 244 224 253 233 262 122 126 130 97 101 103

ELECTRICAL ACCESSORIES

Disconnect Unit Only 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85

Unit + Electric Heat 15 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 30 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 45 kW 54W86 54W86 54W87 54W87 54W87 54W87 54W85 54W85 54W85 54W85 54W85 54W85Unit + Electric Heat 60 kW 54W87 54W87 54W87 54W87 54W87 54W87 54W86 54W86 54W86 54W85 54W85 54W85Unit + Electric Heat 90 kW 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 54W86 54W86 54W86 54W86 54W86 54W86

Unit + Power Exhaust + Elec. Heat 15 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 30 kW 54W86 54W86 54W86 54W86 54W86 54W86 54W85 54W85 54W85 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 45 kW 54W86 54W86 54W87 54W87 54W87 54W87 54W85 54W85 54W86 54W85 54W85 54W85Unit + Power Exhaust + Elec. Heat 60 kW 54W87 54W87 54W87 54W87 54W87 54W87 54W86 54W86 54W86 54W85 54W85 54W86Unit + Power Exhaust + Elec. Heat 90 kW 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 4 N/A 54W86 54W86 54W86 54W86 54W86 54W86

1 Extremes of operating range are plus and minus 10% of line voltage.2 HACR type breaker or fuse.3 Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.4 Disconnect must be field furnished.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 21

UNIT CLEARANCES - INCHES (MM)

1 Unit ClearanceA B C D Top

Clearancein. mm in. mm in. mm in. mmService Clearance 60 1524 36 914 36 914 66 1676

UnobstructedMinimum Operation Clearance 45 1143 36 914 36 914 41 1041NOTE - Entire perimeter of unit base requires support when elevated above the mounting surface.1 Service Clearance - Required for removal of serviceable parts. Minimum Operation Clearance - Required clearance for proper unit operation.

Note: 240-300 sizes shown

Unit With Economizer

D

OUTDOORAIR HOOD

B

C

A

ELECTRIC HEAT CAPACITIES

Volts Input

15 kW 30 kW 45 kW 60 kW 90 kWkW

Input Btuh

Output No. of Stages

kW Input

Btuh Output

No. of Stages

kW Input

Btuh Output

No. of Stages

kW Input

Btuh Output

No. of Stages

kW Input

Btuh Output

No. of Stages

208 11.3 38,600 1 22.5 76,800 1 33.8 115,300 2 45.0 153,600 2 67.6 230,700 2 220 12.6 43,000 1 25.2 86,000 1 37.8 129,000 2 50.4 172,000 2 75.6 258,000 2 230 13.8 47,100 1 27.5 93,900 1 41.3 141,000 2 55.1 188,000 2 82.7 282,200 2 240 15.0 51,200 1 30.0 102,400 1 45.0 153,600 2 60.0 204,800 2 90.0 307,100 2 440 12.6 43,000 1 25.2 86,000 1 37.8 129,000 2 50.4 172,000 2 75.6 258,000 2 460 13.8 47,100 1 27.5 93,900 1 41.3 141,000 2 55.1 188,000 2 82.7 282,200 2 480 15.0 51,200 1 30.0 102,400 1 45.0 153,600 2 60.0 204,800 2 90.0 307,100 2 550 12.6 43,000 1 25.2 86,000 1 37.8 129,000 2 50.4 172,000 2 75.6 258,000 2 575 13.8 47,100 1 27.5 93,900 1 41.3 141,000 2 55.1 188,000 2 82.7 282,200 2 600 15.0 51,200 1 30.0 102,400 1 45.0 153,600 2 60.0 204,800 2 90.0 307,100 2

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 22

OPTIONAL CONVENTIONAL TEMPERATURE CONTROL SYSTEMS - FIELD INSTALLED

COMMERCIAL TOUCHSCREEN THERMOSTATIntuitive Touchscreen Interface - Two Stage Heating / Two Stage Cooling Conventional or Heat Pump - Seven Day Programmable - Four Time Periods/Day - Economizer Output - Title 24 Compliant - ENERGY STAR® Qualified - Backlit Display - Automatic Changeover

C0STAT02AE1L(14W81)

Sensors For Touchscreen Thermostat1 Remote non-adjustable wall mount 20k temperature sensor ......................... C0SNZN01AE2-

(47W36)1 Remote non-adjustable wall mount 10k averaging temperature sensor ........ C0SNZN73AE1-

(47W37)1 Remote non-adjustable duct mount temperature sensor ............................... C0SNDC00AE1-

(19L22)Outdoor temperature sensor ............................................................................ C0SNSR03AE1-

(X4148)Accessories For Touchscreen Thermostat

Locking cover (clear) ........................................................................................ C0MISC15AE1-(39P21)

1 Remote sensors for C0STAT02AE1L can be applied in the following combinations: (1) C0SNZN01AE1-, (2) C0SNZN73AE1-, (2) C0SNZN01AE1- and (1) C0SNZN73AE1-, (4) C0SNZN01AE1-, (3) C0SNZN01AE1- and (2) C0SNZN73AE1.

DIGITAL NON-PROGRAMMABLE THERMOSTATSIntuitive Interface - Automatic Changeover - Simple Up and Down Temperature ControlTwo-stage heating / cooling conventional systems ....................................... C0STAT10AE1L

(13K98)Sensor For Digital Non-Programmable Thermostats AboveRemote wall mounted temperature sensor....................................................... C0SNZN00AE1-

(26K57)Intuitive Interface - Automatic Changeover - Backlit Display - Simple Up and Down Temperature ControlOne-stage heating / cooling conventional systems .......................................... C0STAT12AE1L

(51M32)Sensor For Digital Non-Programmable Thermostats AboveOutdoor temperature sensor ............................................................................ C0SNSR04AE1-

(X2658)Accessories For Digital Non-Programmable Thermostats AboveOptional wall mounting plate ............................................................................ C0MISC17AE1-

(X2659)

OUTDOOR SOUND DATA

Unit Model Number

Octave Band Sound Power Levels dBA, re 10-12 Watts Center Frequency - HZ 1 Sound RatingNumber (dB)125 250 500 1000 2000 4000 8000

180, 210 71 78 81 81 76 71 63 86

240, 300 80 83 87 88 84 80 71 93

Note - The octave sound power data does not include tonal corrections. 1 Sound Rating Number according to AHRI Standard 370-2001.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 23

WEIGHT DATA

Model Number Net Shippinglbs. kg lbs. kg

180 Base Unit 1705 773 1905 864180 Max. Unit 2025 919 2225 1009210 Base Unit 1850 839 2050 930210 Max. Unit 2180 989 2380 1080240 Base Unit 2120 962 2320 1052240 Max. Unit 2450 1111 2650 1202300 Base Unit 2120 962 2320 1052300 Max. Unit 2450 1111 2650 1202

OPTIONS / ACCESSORIES

Description Shipping Weightlbs. kg

CEILING DIFFUSERSStep-Down

RTD11-185 392 178RTD11-275 403 183

FlushFD11-185 289 131FD11-275 363 165

Transitions LASRT18 80 36

LASRT21/24 75 34ECONOMIZER / OUTDOOR AIR / EXHAUSTEconomizerEconomizer Dampers K1ECON20C-1 86 39Barometric Relief Dampers (downflow) C1DAMP50C 30 14Barometric Relief Dampers (horizontal) LAGEDH18/24 20 9Outdoor Air DampersOutdoor Air Damper Section (downflow) - Automatic E1DAMP20C-1 52 24Outdoor Air Damper Section (downflow) - Manual C1DAMP10C-1 49 22Outdoor Air Damper Hood (downflow) 65 29Power Exhaust 62 28ELECTRIC HEAT15 kW 59 2730 kW 59 2745 kW 76 3460 kW 76 3490 kW 84 38ROOF CURBS - CLIP CURBDownflow8 in. height C1CURB40CD1 132 6014 in. height LARMF18/30S-14 164 7418 in. height LARMF18/30S-18 187 8524 in. height LARMF18/30S-24 222 101Horizontal26 in. height LARMFH18/24S-26 335 15237 in. height LARMFH18/24S-37 445 20230 in. height LARMFH30/36S-30 456 20741 in. height LARMFH30/36S-41 480 218ROOF CURBS - STANDARDDownflow14 in. height LARMF18/36-14 160 7324 in. height LARMF18/36-24 220 100Horizontal26 in. height LARMFH18/24-26 420 19137 in. height LARMFH18/24-37 580 26330 in. height LARMFH30/36-30 445 20241 in. height LARMFH30/36-41 725 329PACKAGINGLTL Packaging (less than truck load) 310 141

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 24

DIMENSIONS - INCHES (MM) KCA180, KCA210CORNER WEIGHTS CENTER OF GRAVITY

Model No. AA BB CC DD EE FFlbs. kg lbs. kg lbs. kg lbs. kg in. mm in. mm

KCA180 Std. Unit 427 201 387 183 495 234 546 258 51-1/4 1302 40 1016KCA180 Max. Unit 550 259 467 220 534 252 629 297 49-1/2 1257 42-1/2 1080KCA210 Std. Unit 454 214 408 192 539 254 600 283 51 1295 39-1/4 997KCA210 Max. Unit 578 273 487 230 576 272 684 323 49-1/4 1251 41-3/4 1060Std. Unit - The unit with NO OPTIONS. Max. Unit - The unit with ALL OPTIONS Installed. (Economizer, etc.)

4(102)

4-1/4 (108)

BOTTOM POWER ENTRY5 X 8 inches (127 X 203 mm)

BOTTOM SUPPLYAIR OPENINGS

BOTTOM RETURNAIR OPENING

28(711)

28(711)

4(102)

12-3/8(314)

12-3/8(314)

20 (508) 20 (508)

15 (381)60-1/2 (1537)

AA BB

CCDD

CENTER OFGRAVITY

EE

FF

TOP VIEW

4-1/2(114)

SIDE VIEW

FORKLIFT SLOTS(Front and Left Side Only)

LIFTING HOLES(For Rigging

Front and Back) 107-3/4 (2737)BASE

106-1/2(2705)

END VIEW

90-1/8(2289)

28-3/4(730)

CONDENSATEDRAIN

5-3/8(137)

3-1/4(83)

54-1/4(1378)

51(1295)

91-1/8 (2315)BASE

SIDE ELECTRICALINLETS

ALTERNATE (THRU THE BASE)CONDENSATE DRAIN LOCATION

1-5/8 in. (41 mm) Diameter

18 (457)

28-3/8(721)

5-5/8 (143)

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 25

SIDE VIEW

FORKLIFT SLOTS(Front and Left Side Only)

132-5/8(3369)

LIFTING HOLES(For Rigging

Front and Back)25-3/8(645)

107-3/4 (2737)BASE

BOTTOM POWER ENTRY5 X 8 inches (127 X 203 mm)

BOTTOM SUPPLYAIR OPENINGS

BOTTOM RETURNAIR OPENING

28(711)

28(711)

20 (508)

15 (381)60-1/2 (1537)

AA BB

CCDD

CENTER OFGRAVITY

EE

FF

TOP VIEW

4-1/2(114)

20 (508)

4(102)

4-1/4 (108)

4(102)

12-3/8(314)

12-3/8(314)

END VIEW

90-1/8(2289)

28-3/4(730)

CONDENSATEDRAIN

5-3/8(137)

3-1/4(83)

54-1/4(1378)

51(1295)

91-1/8 (2315)BASE

SIDE ELECTRICALINLETS

ALTERNATE (THRU THE BASE)CONDENSATE DRAIN LOCATION

1-5/8 in. (41 mm) Diameter

18 (457)

28-3/8(721)

5-5/8 (143)

DIMENSIONS - INCHES (MM) KCA240, KCA300CORNER WEIGHTS CENTER OF GRAVITY

Model No. AA BB CC DD EE FFlbs. kg lbs. kg lbs. kg lbs. kg in. mm in. mm

KCA240 Std. Unit 462 218 472 223 676 319 660 312 54-1/2 1384 37-1/2 953KCA240 Max. Unit 577 272 548 259 716 338 754 356 52-1/2 1334 39-1/2 1003KCA300 Std. Unit 462 218 472 223 676 319 660 312 54-1/2 1384 37-1/2 953KCA300 Max. Unit 577 272 548 259 716 338 754 356 52-1/2 1334 39-1/2 1003Std. Unit - The unit with NO OPTIONS. Max. Unit - The unit with ALL OPTIONS Installed. (Economizer, etc.)

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 26

ACCESSORY DIMENSIONS - INCHES (MM)

16(406)

FRONT VIEW SIDE VIEW

31−5/8 (803)

14-1/2(368)

1 13(330)

6-1/2(165)1 29−1/2 (749)

NOTE − Two furnished per order no. 1 NOTE − Opening size required in return air duct.

HORIZONTAL BAROMETRIC RELIEF DAMPERS(Field installed in horizontal return air duct adjacent to unit)

1 OPTIONALSTANDARD STATICPOWER EXHAUST

FANS HOOD(Field Installed)

OPTIONAL OUTDOOR AIR HOOD DETAILWITH STANDARD STATIC POWER EXHAUST FANS

OPTIONALOUTDOOR AIR HOOD

(Field Installed)Required with Economizer

or Outdoor Air Damper

1 Field Installed in Return Air Duct for Horizontal Applications.

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 27

ACCESSORY DIMENSIONS - INCHES (MM)

CLIP CURB − DOUBLE DUCT OPENING

TYPICAL FLASHING DETAIL FOR ROOF CURB

ROOF CURB(Extends around entire

perimeter of unit)

FIBERGLASSINSULATION

(Furnished)COUNTER FLASHING(Field Supplied)

BASE BOTTOM

RIGID INSULATION(Field Supplied)

ROOFINGMATERIAL

CANT STRIP(Field Supplied)

PACKAGEDUNIT

NAILER STRIP(Furnished)

8−1/4(210)

8−1/4(210)

8 (203)14 (356)18 (457)24 (610)

61-1/2(1562)

CURBRETURN AIR

OPENING

61-1/2(1562)

81-1/2(2070)

17 (432)

21 (533)

16 (406)

86−1/4(2191)

82−5/8(2099)

1−13/16(46)

102-1/8(2594)

98-1/2(2502)

1−13/16(46)

DETAIL ROOF CURB

8 (203)14 (356)18 (457)24 (610)

FACTORY INSTALLEDPERIMETER WOODNAILER STRIP

1−13/16(46)

1−13/16(46)

1/2 (13)

CURBSUPPLY AIR

OPENING

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 28

ACCESSORY DIMENSIONS - INCHES (MM)

STANDARD ROOF CURBS − DOUBLE DUCT OPENING

TYPICAL FLASHING DETAIL FOR ROOF CURB

ROOF CURB(Extends around entire

perimeter of unit)

FIBERGLASSINSULATION

(Furnished)COUNTER FLASHING(Field Supplied)

BASE BOTTOM

RIGID INSULATION(Field Supplied)

ROOFINGMATERIAL

CANT STRIP(Field Supplied)

PACKAGEDUNIT

NAILER STRIP(Furnished)

CURBSUPPLY AIR

OPENING

8−1/4(210)

1−13/16(46)

DETAIL ROOF CURB

14 (356)24 (610)

1 (25)

FACTORY INSTALLEDPERIMETER WOODNAILER STRIP

2 (51)

8−1/4(210)

17 (432)

21 (533)

16 (406)

102-1/8(2594)

61-1/2(1562)

98-1/2(2502)

86-1/4(2191)

82-5/8(2099)

3/4 (19) Typ.

14 (356)or24 (610)

CURBRETURN AIR

OPENING

1−13/16(46)

61-1/2(1562)

1−13/16(46)

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 29

ACCESSORY DIMENSIONS - INCHES (MM)

ROOF CURBS WITH SUPPLY & RETURN AIR TRANSITIONS FOR CEILING DIFFUSERS

LASRT SUPPLY TRANSITION

LASRT RETURN TRANSITION

RETURN AIROPENING

SUPPLY AIROPENINGS

TOP VIEW

54(1372)

69-1/4 (1759)

3/4(19) Typ.

4-1/2(114)

SUPPORTANGLE

(Furnished withTransitions)

B

A

B

69-1/4(1759)

2(51)

8 (203)

26-1/2(673)

1-1/2(38) Typ.

TRANSITION DETAIL

A

AB

TRANSITION OPENING SIZES

Model A BModelNumber inch mm inch mmLASRT18 18 457 36 914

LASRT21/24 24 610 48 1219

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 30

ACCESSORY DIMENSIONS - INCHES (MM)

HORIZONTAL ROOF CURBS − Requires Optional Horizontal Return Air Panel Kit

PANEL TO COVER RETURN AIR OPENING IN BOTTOM OF UNIT(Furnished With Optional Horizontal Return Air Panel Kit)

SIDE VIEW(Packaged Unit)

SIDE VIEW86-5/8 (2200)

NAILER STRIP(Furnished)

SUPPLYDUCT

PANELS(Furnished)

SUPPLY AIRTURNING VANE

(Furnished)

86-1/4 (2191)

1 26 (660)2 37 (940)3 30 (762)4 41 (1041)

102-1/8 (2594)

TOP VIEW

Fram

eO

peni

ng

FrameOpening

54(1372)

98-1/2 (2502)

82-5/8(2099)

98-1/2 (2502)

1 (25)

2 (51)SECTION A-A

1-13/16 (46)

NAILER STRIP(Furnished)

A

NOTE − Roof deck may be omitted within confines of curb.

SUPPLY AIRTURNING VANE

(Furnished)

1-13/16(46)

1-13/16(46)

1-13/16 (46)1-13/16 (46)

A

86-1/4(2191)

HORIZONTALSUPPLY AIR OPENING

HORIZONTAL ROOF CURB(Required For Horizontal Applications)

1,2 8-1/4 (210)3,4 13-1/4 (337)75 (1905)

HORIZONTAL RETURNAIR OPENING

12-3/8(314)

15 (381)60-1/2 (1537)

2 (51)

54-1/4(1378)

NOTE − Top of Roof Curb extends 4inch (102 mm) inside bottom of unitbase. See Typical flashing detail.

OPTIONAL RETURN AIR PANEL KIT(Required for Horizontal Applications)

1,3 6-1/2 (165)2,4 17-1/2 (445)

1 22 (559)2 33 (838)3 26 (660)4 37 (940)

1 76-1/4 (1937)2 87-1/4 (2216)3 80-1/4 (2038)4 91-1/4 (2318)

1,2 14 (356)3,4 18 (457)

30-3/8(772)

HORIZONTAL SUPPLY AND RETURN AIR OPENINGSWITH HORIZONTAL ROOF CURB

1 LARMFH18/24-26 2 LARMFH18/24-373 LARMFH30/36-30 (used with 300S Models Only)4 LARMFH30/36-41 (used with 300S Models Only)

1 LARMFH18/24-26 2 LARMFH18/24-37 3 LARMFH30/36-30 (used with 300S) 4 LARMFH30/36-41 (used with 300S)

NOTE LARMFH18/24-26 and LARMFH30/36-30are designed for horizontal dischargewhen unit is mounted on a slab.LARMFH18/24-37 and LARMFH30/36-41are designed for horizontal dischargewhen unit is mounted on a rooftop.

N(T

1,2 14 (356)3,4 18 (457)

102-1/2 (2604)

CURB SUPPLYAIR OPENING

With 1-1/2 in. (38 mm) FLANGE

75(1905)

5-1/2 (140)

102-1/8 (2594)

1,2 8-1/4 (210)3,4 13-1/4 (337)

1,3 6-1/2 (165)2,4 17-1/2 (445)

1 26 (660)2 37 (940)3 30 (762)4 41 (1041)

FRONT VIEW

Landmark™ Packaged Electric / Electric 15 to 25 Ton / Page 31

ACCESSORY DIMENSIONS - INCHES (MM)

COMBINATION CEILING SUPPLY AND RETURN DIFFUSERSRESUFFID GNILIEC HSULFRESUFFID GNILIEC NWOD-PETS

L

A

C

HJG

FE

B

M

N

K

DG

2 (51)

A

C

HJG

FE

B

K

DG

2 (51)

Model Number RTD11-185 RTD11-275A in. 47-5/8 59-5/8

mm 1210 1514B in. 47-5/8 59-5/8

mm 1210 1514C in. 24-5/8 30-5/8

mm 625 778D in. 45-1/2 57-1/2

mm 1156 1461E in. 45-1/2 57-1/2

mm 1156 1461F in. 4-1/2 4-1/2

mm 114 114G in. 18 24

mm 457 610H in. 2-1/2 2-1/2

mm 64 64J in. 36 48

mm 914 1219K in. 4-3/4 4-3/4

mm 121 121L in. 45-1/2 57-1/2

mm 1156 1461M in. 45-1/2 57-1/2

mm 1156 1461N in. 10-1/8 11-1/8

mm 257 283Duct Size in. 18 x 36 24 x 48

mm 457 x 914 610 x 1219

Model Number FD11-185 FD11-275A in. 47-5/8 59-5/8

mm 1210 1514B in. 47-5/8 59-5/8

mm 1210 1514C in. 29-1/4 35-1/4

mm 743 895D in. 45 57

mm 1143 1148E in. 45 57

mm 1143 1448F in. 4-1/2 4-1/2

mm 114 114G in. 18 24

mm 457 610H in. 2-1/4 2-1/4

mm 57 57J in. 36 48

mm 914 1219K in. 4-1/2 4-1/2

mm 114 114Duct Size in. 18 x 36 24 x 48

mm 457 x 914 610 x 1219

NOTE - Due to Lennox’ ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury. Installation and service must be performed by a qualified installer and servicing agency. ©2010 Lennox Industries, Inc.

Visit us at www.lennox.com

For the latest technical information, www.lennoxcommercial.com

Contact us at 1-800-4-LENNOX

REVISIONS

Section Description

Optional Accessories New Drain Trap Kits added.

NOTE - Due to Lennox’ ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury. Installation and service must be performed by a qualified installer and servicing agency. ©2010 Lennox Industries, Inc.

Visit us at www.lennox.com

For the latest technical information, www.lennoxdavenet.com

Contact us at 1-800-4-LENNOX