548086-XIM-C-0814
Johnson Controls Unitary Products
15
FIGURE 16:
Wiring Diagram - Three Phase - GCGA76
1
2
3
S
R
GND.
C
T1
T3
T2
BLK
RED
RED
BRN / WHT
BRN
CCH
COOLING
COMMON
24 VAC
RED
RED
6
3
5
4
2
1
YEL
BLUE
LOW
VOLTAGE
BOX
BLK
BLK
PLUG
BLK
BRN
FAN
MOTOR
COMPRESSOR
MOTOR
BLU
208/230 VAC 60 Hz 3Ph
460 VAC 60 Hz 3Ph
USE COPPER CONDUCTOR ONLY
CC
GND.
LUG
GND.
RED
FAN
CAPACITOR
ORG
BLK
240V
OR
480V
COM
24V
208V
TRANSFORMER
1
PS RELAY
Optional Pressure Out Kit
Optional Low Ambient Kit
LAP RELAY
1
BLK
1
LAP
BLK
A
B
7
1
BLK
BLK
HPS
LP 1
1
YEL
A
B
7
2
BRN
RED
RED
BLU
CONTACTOR
BLK
BLU
BLK
1
3
4
2
5
COMPONENTS SHOWN IN DASHED LINES ARE OPTIONAL.
RED WIRE WILL BE REMOVED IF LOW AMBIENT KIT IS
INSTALLED.
YELLOW WIRE WILL BE REMOVED IF PRESSURE SWITCH
KIT IS INSTALLED.
IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT
MUST BE REPLACED, IT MUST BE REPLACED WITH TYPE
105 C, THERMOPLASTIC OR ITS EQUIVALENT.
WIRING MUST CONFORM TO NATIONAL AND LOCAL
CODES.
HPS -HIGH PRESSURE SWITCH
LP -LOW PRESSURE SWITCH
LAP -LOW AMBIENT PRESSURE SWITCH
CCH -CRANKCASE HEATER
CC -CONTACTOR COIL
ASCT -ANTI-SHORT CYCLE TIME
DANGER - SHOCK HAZARD
TURN OFF ELECTRICAL POWER BEFORE
SERVICING TO PREVENT POSSIBLE DAMAGE
TO THE EQUIPMENT AND POSSIBLE
PERSONAL INJURY.
CAUTION
TO PREVENT ELECTRICAL SHOCK OPEN
REMOTE DISCONNECT SO ELECTRICAL
SUPPLY TO AIR CONDITIONER IS SHUT OFF.
HIGH VOLTAGE FACTORY WIRING
LOW VOLTAGE FACTORY WIRING
FIELD WIRING, LINE VOLTAGE
OPTIONAL WIRING
18661-UWD-G-0313
380/415 VAC 50 Hz 3Ph
YEL/PNK
YEL/PNK
HPS
GRN
