Honeywell Heat/1Cool - T841A1563 Premier 2 Stage Thermostat User Manual page 23

HEAT PUMP THERMOSTAT CROSS REFERENCE/SELECTION GUIDE
2
POWER
SUPPLY
THERMO- SUBBASE
STAT LOGIC/
LOGIC CONTROL
CIRCUIT CIRCUIT
HIGH
LIMIT
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
1
PROTECTION AS REQUIRED.
2
DENOTES THERMOSTAT TO SUBBASE INTERCONNECT.
3
POSSIBLE CHECK LED CIRCUITS:
X1 TO R
FAULT DETECTION
CHECK
SWITCH
LED
(YELLOW)
TO C/X
X2
SWITCH TO R (POWER) SIDE
OF SYSTEM TRANSFORMER
Fig. 26. Typical wiring diagram for T8611G1004 and T8611G1103.
HIGH
LIMIT
FAN
SWITCH
ON
AUTO
SYSTEM
SWITCH
EM. HT.
HEAT
OFF
AUTO
COOL
HEAT 1
X1 TO R
CHECK
LED
FAULT DETECTION
(YELLOW)
SWITCH
TO C/X
X2
SWITCH TO C (COMMON) SIDE
OF SYSTEM TRANSFORMER
R
C/X
AUX. HT.
LED (GREEN)
EM. HT.
LED L
(RED)
MONITOR
W2
HEAT 2
G
E
COOL CHANGEOVER
VALVE
C. O.
O
HEAT CHANGEOVER
VALVE
C. O.
B
COOL
Y
X1
3
CHECK
LED
(YELLOW)
X2
X1
SWITCHING
CHECK
DEVICE
LED
(YELLOW)
24 VAC
X2
SWITCH IN SECONDARY OF
SEPARATE TRANSFORMER M6020A
L1
(HOT)
L2
1
AUX. HT.
RELAY
FAN RELAY
EM. HT. RELAY
COMPRESSOR
CONTACTOR
L1
(HOT)
L2
70-6627 • 21