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