Honeywell Heat/1Cool - T841A1563 Premier 2 Stage Thermostat User Manual page 18

HEAT PUMP TH ERMOSTAT CROSS REFERENCE/SELECTION GUIDE
H1
C1
FALL
C
ANTICIPATOR
H1/C
ANTICIPATOR
H2
FALL
RESET
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2 FIELD REMOVABLE JUMPER.
3 AUTO FAN IN EMERGENCY HEAT.
FALL
H1
C1
H1
ANTICIPATOR
C1
ANTICIPATOR
7
8
H2
ANTICIPATOR
H2
FALL
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 18. Internal schematic and typical wiring diagram for T841A1712 and T841A1738.
70-6627 • 16
9
2
FAN
SWITCH
3
AUTO
ON
5
8
11
SYSTEM SWITCH
3
12
EM. HT.
HEAT
10
OFF
COOL
1
4
Fig. 17. Internal schematic and typical wiring diagram for T841A1555.
10
5 FAN
SWITCH
AUTO
2
ON
3
9
SYSTEM
6
SWITCH
EM. HT.
12
HEAT
OFF
11
COOL
G
FAN RELAY
W
2
AUX. HEAT
RELAY
U
AUX. HEAT
LED (GREEN)
B
EM. HEAT
LED (RED)
F
COMPRESSOR
MONITOR
R
OUTDOOR
THERMOSTAT
X2
T
OUTDOOR
THERMISTOR
O
COOL CHANGEOVER
RELAY
COMPRESSOR
CONTACTOR
Y
W3
W3 RELAY
O
COOL
CHANGEOVER
RELAY
EM. HEAT
LED (RED)
G
FAN RELAY
R
E
EM. HEAT RELAY
X
AUX. HEAT
LED (GRN)
W2
AUX. HEAT RELAY
B
HEAT
CHANGEOVER
RELAY
COMPRESSOR
CONTACTOR
Y
L1
(HOT)
L2
1
M8728
L2
1
L1
(HOT)
M13249