Trane BAYSTAT152A - Page 16

16 BAS-SVX44A-EN
Installation and Wiring
Figure 9. Programmable Thermostat, 2H/1C, Heat Pump With Auxiliary Heat (Option 6)
Figure 10. Programmable Thermostat, 2H/2C, Conventional (Option 7)
Fan
24 Vac
Changeover Valve
Compressor
Auxiliary Heat
L2
L1 (hot)
(jumper
installed)
Economizer/TOD
Dehumidification
Remote Temperature Sensor
Remote Humidity Sensor
W1
Y2
A
S1
S2
Hp
Hs
Dh
C
G
Y
O/B
Rc
R
Fan
Heat 1
Heat 2
24 Vac
C
G
Y
W
Rc
R
W2
Y2
A
S1
S2
Hp
Hs
Dh
Economizer/TOD
Dehumidification
Remote Temperature Sensor
Remote Humidity Sensor
Compressor 1
Compressor 2
L2
L1 (hot)
Single Transformer:
(jumper
installed)
Fan
L2
L1 (hot)
24 Vac
Heat 1
Compressor 1
L2
L1 (hot)
24 Vac
Cooling Transformer
Heating Transformer
Two Transformers:
(jumper
removed)
Compressor 2
Economizer/TOD
Dehumidification
Remote Temperature Sensor
Remote Humidity Sensor
Heat 2
C
G
Y
W
Rc
R
W2
Y2
A
S1
S2
Hp
Hs
Dh