20
Figure 15. Typical Thermostat Connections
G R
W
Thermostat
Y
C
Air
Handler
Air
Conditioner
Y
Typical Air Conditioner with B5 Electric Furnace
G R C E
O Y
Thermostat
NOTE:
Jumper W1
&W2 together for
shorter staging time.
W2
W1
O
Y
G
R
C
W2
W1
O
Y
G
R
C
NOTE:
Jumper W1
&W2 together for
shorter staging time.
Air
Handler
W2
O
W2
R
C
Y
Heat Pump
NOTE:
Jumper between
W2 & E is required when
no OD T-Stat is used.
Typical Heat Pump with B5 Electric Furnace