Honeywell Heat/1Cool - T841A1563 Premier 2 Stage Thermostat User Manual page 22

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