Communicating; Low Voltage Hook-Up Diagrams - Trane 4TTS6036A3000A Installer's Manual

Electrical — Low Voltage Non Communicating
Table 20. Low Voltage Maximum Wire Length

Low Voltage Hook-up Diagrams

With TEM 3, 4, 6, 8
Thermostat Air Handler
R R
24 VAC HOT
G G
FAN
B
24 VAC
B/C
Common
Blue
O O
SOV
COOL/HEAT
Y Y*
1st STAGE
HEATING
W1
W
2nd STAGE
White
EMERGENCY
W2
X2
HEAT
Pink
• Units with pigtails require wirenuts for connections.
• In AC systems for multiple stages of electric heat, jumper W1 and W2 together if comfort control has only one stage of heat.
* Y2 for TEM6
16
Outdoor
Unit
R
B
O
Y
X2
Black
With TAM 4, 5, 7, 9
Thermostat Air Handler
R R
24 VAC HOT
G G
FAN
B
24 VAC
B/C
Common
Blue
O O
SOV
COOL/HEAT
Y Y
1st STAGE
l
l
Y
O
HEATING
W1
W
2nd STAGE
White
EMERGENCY
W2
X2
HEAT
Pink
Outdoor
Unit
R
B
O
Y
O
X2
Black
18-BC103D1-1B-EN