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MYERS®

MODELS CGL, CG, CNC, CWHV3 AND CWHV4SINGLE PHASE SIMPLEX AND DUPLEX CONTROL PANELSFor 2 – 5 HP Single Phase Submersible Grinder Pumps and 1 – 5 HP Single Phase Submersible Solids Handling Pumps

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SINGLE PHASE SIMPLEX AND DUPLEX CONTROL PANELS

MYERS® MODELS CGL, CG, CNC, CWHV3 & CWHV4

Single Phase Simplex and Duplex Control Panels

Enclosure Dimensions

Panel CGL Simplex 1 ph.

CG, CNC,CWHHV Simplex 1 ph.

CGL Duplex 1 ph.

CG, CNC, CWHV Duplex 1 ph.

Material Fiberglass Fiberglass Fiberglass FiberglassA 15-1/2 17-1/2 19-5/8 19-5/8B 13-3/8 15-7/16 17-1/2 17-1/2C 7-3/4 7-11/16 10-5/8 10-5/8D 14-5/8 16-3/4 18-7/8 18-7/8E 10 12 12 12F 5/16 5/16 5/16 5/16

A D

EB

C

F

Corrosion-Resistant for Long Life• Weathertight NEMA 4X fiberglass enclosures with aluminum

back panels.

Meets NEC and UL (508) Standards for Safety• UL-approved panel designs (label installed only on request).

• Individual pump circuit breakers.

• Separate control and alarm fuses.

Quality Electrical Components Assure Reliable, Automatic Pump Operation• IEC horsepower-rated motor contactors rated at over 1 million cycles.

• CG, CNC, CWHV3/4 have 1 pole ambient-compensated bi-metal overload relay.

• CGL has Klixon® overload.

• Designed for use with standard mercury float switches. Uses three for simplex (off-on-alarm), four for duplex (off-on-override-alarm).

• Solid state alternating relay (on duplex only) to equalize pump wear.

• Override relay to start second pump if first one fails for any reason.

Panel Dimensions and Optional FeaturesOptional Panel Features• Elapsed Time Meter• Alarm Bell or Horn• Alarm Bell or Horn

with Silence Switch• Auxiliary Alarm Contacts• Condensation Heater• Convenience Outlet• Intrinsically Safe Relays• Lightning Arrestor• Full Inner Door (CGL only)• Cycle Counter

• 115 or 24 Volt Control Circuit Transformer

• Transfer Switch/Generator Receptacle

• Lag Pump Delay Circuitry (duplex only)

• Low Level Cut-off and Alarm• Low Voltage Circuitry

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SINGLE PHASE SIMPLEX AND DUPLEX CONTROL PANELS

Standard Panel Features for CG, CNC, CWHV3 and CWHV4

A. Corrosion-resistant Enclosure NEMA 4X fiberglass (outdoor).

B. Aluminum Back PanelC. IEC Motor Starter(s) 1-pole bi-metal overload relay

(not on CWHV3).

D. IEC Motor Contactor(s) (CWHV3 only)

E. Control Circuit Fuse 1 amp.

F. Alarm Circuit FuseG. Start Winding Relay(s)H. Starting Capacitor(s)I. Running Capacitor(s)J. Hand-Off-Auto Switch Momentary in-hand.

K. Alarm Test SwitchL. Pump Run Light Amber.

M. Seal Leak Light Red (not on CWHV3).

N. Terminal BlocksO. Ground Lug(s)P. Flashing Alarm Light Mounted on top of enclosure (red).

Q. Full Inner DoorR. Pump Circuit Breaker(s) Lock-out tab.

S. Solid State FlasherT. Overload Reset Button (Not on CWHV3)

U. Override Relay In event of first pump failure (duplex only).

V. Alternator Relay Solid state (duplex only).

W. Incoming Power Terminal Blocks

X. Control Circuit Circuit Breaker

Simplex

A

B

D

EF

H

I

O

G

J K

LN N

Q

P

R

S

W XFull Inner Door Front View

Duplex

N

CC

G

J

K

AB

E F

G

H

H

I

I

JL L

M M

N N NO O

P

R

S

T UV

XW

R

T

Full Inner Door Front View

740 EAST 9TH STREET, 269 TRILLIUM DRIVE, KITCHENER, ASHLAND, OHIO 44805 ONTARIO, CANADA N2G 4W5 WWW.FEMYERS.COM WWW.FEMYERS.COM

Because we are continuously improving our products and services, Pentair reserves the right to change specifications without prior notice.K3214 4/24/14 © 2014 Pentair Ltd. All Rights Reserved.

Duplex

N

RS

C C

G

J

K

A

B

EF

G

H H

I I

J

L LMNO O

P

Q

D D

K

M

Simplex

A

D

E F

H

I

O

G

J

K

L

N

Q

P

B

CM

Standard Panel Features for CGL

A. Corrosion-resistant Enclosure NEMA 4X fiberglass (outdoor).

B. Aluminum Back PanelC. IEC Motor Contactor(s) Silver cadmium oxide contacts.

D. Pump Circuit Breakers

E. Control Circuit Fuse 1 amp.

F. Alarm Circuit Fuse 1 amp.

G. Start Winding Relay(s)H. Starting Capacitor(s)I. Running Capacitor(s)J. Hand-Off-Auto Switch Momentary in-hand.

K. Klixon® OverloadL. Pump Run Light Amber.

M. Seal Leak Light Red (only on units with detector).

N. Terminal BlocksO. Ground Lug(s)P. Flashing Alarm Light Mounted on top of enclosure (red).

Q. Solid State FlasherR. Override Relay In event of first pump failure (duplex only).

S. Alternator Relay Solid state (duplex only).