DOWNFLOW CW146 & CW181 MODELS W/ EC FANS
ELECTRICAL FIELD CONNECTIONS DEFINITIONS & LOCATIONS
LIEBERT CW
Form No.: DPN001040_REV4
REV : 1
REV DATE : 12/18
DPN004550
Page :2 /3
Note: Refer to DPN001699 SHT. 1 of 4 for descriptions of numbered callouts.
A
B
C
D
Note: Typical orientation of components shown. Component location varies by option and unit.
37C 38C 37B 38B 37 38
24 50 51 55 56 11 12
58 59 84 85 94 95 96 97 75 76
91 92 93 80 81 82 83
88 89
106 107 110 111
4 Ground Lug
Disconnect
8
1
Field High Voltage
Entrance
Main Fuses
3
Ground
Current
Detector
4 50Hz
Reheat
Contactors
Backup
Reheat
Contactor
Humidifier
Contactor
Main Fan
Contactor
T1 Transformer
CPAR
Relay
Remote
Humidifier
Relay
Liquitect
Shutdown
Relay
R3
Relay
Smoke Detector
Power Supply
iCOM
Fuse Board
2
A
B
C
D
Terminals for
Field Low Voltage
Wiring Connections
(See below for
callouts)
Large iCOM
I/O Board
Filter Clog
Switch
High Temp
Stat
EM1
Relay
T6 Transformer
Power Block
Control Fuses
Main Fan
Fuses
Fan Transformer Fuses
(B) Voltage only
Humidifier Fuses
Reheat
Fuses
Condensate
Pump Fuses
Cover Plate/
Reversing Starter
Location
Power
Block
15 11 12
19
6
18 17 7
14
13 16 5
Electrical Panel Layout 60Hz
20 Plug P64
21 Plug P74
21 Terminal Block TB3
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