Honeywell Home T10 - Wiring Diagrams (Without EIM); Wiring T10;T10+ Without EIM; Cool Only Wiring Diagram; Heat Only Wiring Diagram (Gas;Oil Furnace)

33-00462—05 10
WIRING
Wiring at T10 or T10+ Without EIM
NOTES:
1. Use 18- to 22- gauge thermostat wire. Shielded
cable is not required.
2. Set the R Slider Tab on the UWP to the up posi-
tion (1 wire) for 1 transformer systems or the
down position (2 wires) for 2 transformer systems.
3. Set the U Slider Tab to the position shown for IAQ
wiring diagrams on pages 14-15.
Wiring Diagrams for T10 or T10+ Without
EIM
Fig. 15. Heat only: Gas or oil furnace
Fig. 16. Cool only
Fig. 17. 1H/1C gas furnace
W R
G
C
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
M37813
1
COMMON REQUIRED.
G USED FOR INDEPENDENT FAN CONTROL ONLY. MOST HEAT
ONLY, GAS OR OIL FORCED AIR SYSTEMS DO NOT USE A FAN
(G) WIRE.
2
1
2
FURNACE
R/Rc
SWITCH UP
O/B
HEAT ONLY.
GAS OR OIL FURNACE.
M37814
COOL ONLY.
1
COMMON REQUIRED.
AIR-HANDLER
Y R
G
C
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
1
O/B
R/Rc
SWITCH UP
M37815
1H/1C GAS FURNACE +
AIR-CONDITIONING.
1
COMMON REQUIRED.
W R
G
C
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
RW
Y
G
C
1
1