Page 7
FIGURE 7
TYPICAL SINGLE-COMPRESSOR PACKAGED HEAT PUMP UNIT WIRING DIAGRAM
(S11 LOW AMBIENT CONTROL SWITCHES OUTDOOR FAN DIRECTLY)
SEE SCHEMATIC FIGURE 9
CHP16-2 TO 5 TON UNITS
K58 LOW
AMBIENT RELAY
COMPRESSOR 1
9
7
6
4
3
1
9
7
6
4
3
1
K10
CONDENSER
FAN RELAY
K1
COMPRESSOR
1 CONTACTOR
L1
L2
L3
T1
T2
T3
B4
OUTDOOR
FAN MOTOR 1
P35
J35
12 13
12 13
L1
REVERSING
VALVE
S11
LOW
AMBIENT
PRESSURE
SWITCH
COMP 1
FIELD WIRING
FACTORY WIRING
C1
CAPACITOR
REMOVE THIS WIRE
4
1
FIGURE 8
TYPICAL SINGLE-COMPRESSOR LOW AMBIENT WIRING FOR UNITS CONTAINING
68J29 AND 68J84 DEFROST BOARDS (CMC1)
K58 LOW
AMBIENT RELAY
9
7
6
4
3
1
K1
COMPRESSOR
CONTACTOR
L1
L2
L3
T1
T2
T3
L1
REVERSING
VALVE
S11
LOW
AMBIENT
PRESĆ
SURE
SWITCH
FIELD WIRING
FACTORY WIRING
4
1
CMC1
DEFROST CONTROL
O OUT
FAN
REMOVE THIS WIRE
B4
OUTDOOR
FAN
A
B