Wiring Diagram

T10 PRO WI-FI WIRING DIAGRAMS
33-00439—02 2
2H/1C: Gas Furnace
2 Transformer System, 1H/1C: Oil
Furnace
2 Transformer System, Hot Water
Heat with Air-Conditioning (or Hot
Water Coil)
Hot Water Boiler, Heat Only
M37555
2H/1C 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
1
R
W
Y
G
C
W2
M37556
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
OIL FURNACE
R/Rc SWITCH
DOWN
O/B
RW
Y
G
C
R
1
COMMON REQUIRED FROM COOL TRANSFORMER (AIR HANDLER).
1
AIR HANDLER
2 TRANSFORMER SYSTEM
1H/1C OIL FURNACE +
AIR-CONDITIONING.
M37557
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
BOILER
R/Rc SWITCH
DOWN
O/B
RW
Y
G
C
R
1
COMMON REQUIRED FROM COOL TRANSFORMER (AIR-HANDLER).
1
AIR HANDLER
2 TRANSFORMER SYSTEM
HOT WATER HEAT +
AIR-CONDITIONING (OR HOT
WATER COIL).
M37558
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