Honeywell Home T10 - Hot Water Boiler Wiring (Heat Only); 2 H;2 C Gas Furnace Wiring; Series 20 Zone Valve Wiring; 1 H;1 C Heat Pump Wiring (No Aux Heat)

33-00462—05 12
Fig. 22. Hot water boiler, heat only
Fig. 23. Series 20 valve (power open and power closed)
Fig. 24. 2H/2C: Gas furnace
Fig. 25. 1H/1C heat pump without aux heat
M37819
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
BOILER
R/Rc SWITCH
UP
O/B
R (T)W (T)
HOT WATER BOILER.
HEAT ONLY.
1
COMMON REQUIRED.
1
1
C
M38997
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
R/Rc SWITCH
UP
O/B
COMPATIBLE MODELS:
TH4110U2005
TH4210U2002
1
COMMON OPTIONAL TO THERMOSTAT.
THERMOSTAT MUST BE CONFIGURED FOR RADIANT HEAT
WITH 0 COOL STAGES.
C
POWER OPEN/
POWER CLOSED
ZONE VALVE
1
5
TRANSFORMER
R
2
L2
L1
120 VOLT
SUPPLY
2
6
3
4
1
TO AUXILIARY
CIRCUIT FOR
OPERATING BOILER.
(SEE VALVE
INSTUCTIONS)
2
M37560A
2H/2C GAS FURNACE +
AIR-CONDITIONING.
1
COMMON REQUIRED.
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
FURNACE
R/Rc
SWITCH UP
O/B
1
RW
Y
G
C
W2
Y2
M37561A
1H/1C HEAT PUMP
WITHOUT AUX HEAT.
1
COMMON REQUIRED.
L ONLY CONNECTED IF HEAT PUMP HAS A FAULT TERMINIAL.
SOME HEAT PUMPS USE B RATHER THAN O FOR REVERSING VALVE.
DO NOT CONNECT ANY WIRE TO W FOR HEAT PUMP APPLICATIONS!
THIS CAN CAUSE HEAT TO RUN CONTINUOUSLY.
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
HEAT PUMP/
AIR-HANDLER
R/Rc
SWITCH UP
O/B
1
1
R
O
Y
G
C
L
2
3
4
1
2
1
3
4