Honeywell Heat/1Cool - T841A1563 Premier 2 Stage Thermostat User Manual page 27

HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE
POWER
SUPPLY
E
THERMOSTAT
LOGIC
Y
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
1
PROTECTION AS REQUIRED.
WIRES TO OT TERMINALS SHOULD NOT SHARE CABLE WITH OTHER
2
CONNECTIONS.
3
INSTALLER CONFIGURABLE. FACTORY DEFAULT IS O-ENERGIZED IN
COOL MODE.
4 FACTORY-INSTALLED JUMPER; REMOVE IF A HEAT RELAY IS CONNECTED
TO W1.
Fig. 31. Typical wiring diagram for T8611G2002 and T8611G2028.
W1
W2
O/B
G
R
C
COMPRESSOR
CONTACTOR HEAT
W1
AUXILIARY
HEAT RELAY
W2
4
E
COMPRESSOR
CONTACTOR
Y1
3
CHANGEOVER
VALVE
O/B
G
FAIL LED (RED)
X1
COMPRESSOR
X2
CHECK LED (RED)
MONITOR
L
OT
OUTDOOR
2
SENSOR C7089B
OT
1
L1
(HOT) L2
EMERGENCY
HEAT RELAY
FAN RELAY
TO R
M13250
70-6627 • 25