Honeywell Heat/1Cool - T841A1563 Premier 2 Stage Thermostat User Manual page 21

HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE
1
2
H1
C1
3
FALL
4
H2
5
FALL
6
11
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2 FIELD REMOVABLE JUMPER.
Fig. 23. Internal schematic and typical wiring diagram for Y594R1763.
2
H1 AND C1
ANTICIPATOR
3
H1
C1
FALL
4
H2
ANTICIPATOR
H2
6
FALL
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
1
Fig. 24. Internal schematic and typical wiring diagram for Y594R1797.
AUTO
ON
FAN
SWITCH
SYSTEM
SWITCH
EM. HEAT
HEAT
OFF
COOL
FAN
SWITCH
AUTO
ON
SYSTEM
SWITCH
EM. HT.
HEAT
OFF
COOL
G
FAN RELAY
W
AUX. HEAT
2
U
LED (GREEN)
B
COMPRESSOR
EM. HEAT
MONITOR
LED (RED)
F
R
T
X2
OUTDOOR
THERMOSTAT
O
COMPRESSOR
CONTACTOR
Y
R
L
EM. HEAT
LED (RED)
X
AUX. HEAT
AUX. HEAT
LED (GRN) RELAY
W2
FAN RELAY
G
COOL
CHANGEOVER
VALVE
O
E
COMPRESSOR
EM. HEAT
CONTACTOR
RELAY
Y
"B" RELAY
B
AUX. HEATER
RELAY
1
L1
(HOT)
L2
OUTDOOR
SENSOR
COOL
CHANGEOVER
VALVE
M8701
L1
(HOT)
L2
1
M8700
70-6627 • 19