Page 5
K4
DEFROST
RELAY
S11
LOW AMBIENT
PRESSURE SWITCH
K58 LOW
AMBIENT
RELAY
FIGURE 5
TO 24V COM
9
7
6
4
3
1
8
9
7
5
6
4
2
3
1
9
7
6
4
3
1
L1
REVERSING
VALVE
K10
CONDENSER FAN
CONTACTOR
TO 24V COM
K45
REVERSING
VALVE RELAY
HP17-953, 1353 TWO-SPEED
S11 LOW AMBIENT PRESSURE CONTROL SWITCHES OUTDOOR
FAN(S) THROUGH A RELAY OR CONTACTOR (PILOT CIRCUIT)
SEE SCHEMATIC FIGURE 6
FIELD WIRING
FACTORY WIRING
24 V POWER
TO K70-1 PIN 4
A4 (R1)
REMOVE THIS WIRE
4
1