Field Wiring And Electrical Data - Trane TEM4 Series Installer's Manual

Field Wiring and Electrical Data

HEAT PUMP SYSTEMS
Thermostat
24 VAC HOT
FAN
24 VAC
Common
SOV
COOL/HEAT
1st STAGE
HEATING
2nd STAGE
EMERGENCY
HEAT
8
Figure 1. Field Wiring Diagrams
Outdoor
Air Handler
R R
G G
B
B/C
Blue
O
Y
W1
W
White
W2
X2
Pink
In AC systems for multiple stages of electric heat, jumper W1
and W2 together if comfort control has only one stage of heat.
Figure 2. Electrical Wiring Diagram (All models)
AC SYSTEMS
Thermostat
Unit
R R
24 VAC HOT
G
FAN
24 VAC
B B/C
Common
O
COOLING
Y
Y
HEAT
W
X2
Black
Outdoor
Air Handler
Unit
R
G
B
B
Blue
Y
W1
White
W2
Pink
18-GF75D1-1C-EN