Honeywell Heat/1Cool User Guide - Page 22

Fig. 25., Internal schematic and typical wiring diagram for Y594R1425.

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HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE W3 W3 RELAY H1 ANTICIPATOR 1 C ANTICIPATOR 2 FAN SWITCH AUTO ON H1 3 C FALL 4 5 H2 ANTICIPATOR H2 6 FALL SYSTEM SWITCH EM. HT. HEAT OFF COOL 11 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 REMOVE JUMPER WHEN W1 RELAY IS USED. 3 FACTORY-INSTALLED JUMPER. O COOL CHANGEOVER VALVE L COMPRESSOR MONITOR FAN RELAY G R EM. HT. LED (RED) AUX. HT. LED (GRN) W2 AUX. HT. RELAY E EM. HT. RELAY X 3 X2 HEAT CHANGEOVER VALVE B W1 RELAY W1 2 COMPRESSOR CONTACTOR Y L1 (HOT) L2 1 M8713 Fig. 25. Internal schematic and typical wiring diagram for Y594R1425. 70-6627 • 20

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70-6627
•
20
Fig. 25.
Internal schematic and typical wiring diagram for Y594R1425.
HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE
H1
FALL
C
L1
(HOT)
L2
1
EM. HT.
LED (RED)
AUX. HT.
LED (GRN)
W3
O
L
G
R
W2
E
X
X2
B
W1
Y
AUX. HT. RELAY
EM. HT. RELAY
HEAT
CHANGEOVER
VALVE
W1 RELAY
COMPRESSOR
CONTACTOR
W3 RELAY
COOL CHANGEOVER
VALVE
COMPRESSOR
MONITOR
FAN RELAY
H2
FALL
H1
ANTICIPATOR
C ANTICIPATOR
H2
ANTICIPATOR
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
REMOVE JUMPER WHEN W1 RELAY IS USED.
FACTORY-INSTALLED JUMPER.
1
M8713
FAN
SWITCH
AUTO
ON
SYSTEM
SWITCH
EM. HT.
HEAT
OFF
COOL
3
2
2
3
1
2
3
4
5
6
11