10
REMOTE
ON-OFF
TB4
Fig. 8 — Field Wiring Schematic
NOTES:
1. Factory wiring is in accordance with the National Electrical Code. Any field mod-
ifications or additions must be in compliance with all applicable codes.
2. Connect separate source of control power from field supplied fused disconnect
to terminal 1 of TB4. Neutral side must be connected to terminal 2. This provides
power for the unit control circuit, cooler heater and compressor crankcase
heater.
3. All field interlock contacts must have minimum rating of 360 va pilot duty plus
capacity required for field-installed equipment.
4. For internal unit wiring reference wiring book or unit wiring label diagram.
5. For GCS accessory, remove jumper wire between terminals 5 and 8 on terminal
block TB2.
6. For part wind start accessory, remove gray jumper wire between C-A1-C1 and
C-A1A-C1. Time delay relay shown in suggested mounting position.
7. Voltage requirements:
MAIN POWER
CONTROL POWER
208/230-3-60
115-1-60
460-3-60
115-1-60
575-3-60
115-1-60
380-3-60
220-1-60
380/415-3-50
230-1-50
LEGEND
C
—
Compressor Contactor
CB
—
Circuit Breaker
CCN
—
Carrier Comfort Network
CWFS —
Chilled Water Flow Switch
CWP
—
Chilled Water Pump
CWPI
—
Chilled Water Pump Interlock
FC
—
Fan Contactor
GCS
—
Ground Current Sensor
LEN
—
Local Equipment Network
MBB
—
Main Base Board
NEC
—
National Electrical Code
(U.S.A. Standard)
TB
—
Terminal Block
TDR
—
Time Delay Relay
TRAN
—
Transformer
Field Power Wiring
Field Control Power Wiring
Field Control Wiring
Factory-Installed Wiring
Field-Installed Device
