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