Trane 18-HD64D1-4 Installation Manual page 8

Control
D
R
B
D
Field Wiring (continued)
R
B
4.5.4 Communicating Indoor (excluding TAM8) with Non-Communicating Outdoor
Heat Pump or Multi-Stage AC and Relay Panel
Control
Control
D Brown
R
Red
B Blue
D Brown
R
Red
B Blue
4.5.5 Communicating Indoor (TAM8) with Non-Communicating
Outdoor and CCM
Control
Control
D
R
B
D
R
B
8
Communicating Indoor Unit
Brown
Red
Blue
Brown
Red
Blue
Furnace or Air Handler
D R B
D R B
Relay Panel
Relay Panel
Relay Panel
Relay Panel
Air Handler with CCM
Air Handler with CCM
Y2
Y1
O
Y2
Red
R
Y1
Blue
B
O
Brown
D
Red
R
Blue
B
Brown
D
D
(excluding TAM8)
R
BK
Yellow
Y1 D
R
Y2
BK
G
Yellow
W1 Y1
Y2
W2
W3 G
Blue
W1
B
O W2
W3
Blue
B
O
Neatly bundle all low voltage
wires behind the service
valve cover as shown.
Variable Speed
Variable Speed
Furnace or Air Handler
R
BK
D
Y1
R
Y2
BK
G
D
W1
Y1
W2
Y2
W3
G
B
W1
O
W2
W3
B
O Outdoor Unit
Outdoor Unit
Black
(X2)
Black
Yellow/Red
Yellow/Red
Y2 - Brown
Y1 - Yellow
O - Orange
Y2 - Brown
R - Red
Y1 - Yellow
B - Blue
O - Orange
R - Red
B - Blue
Yellow
Yellow
Blue
Blue
Heat Pump
Heat Pump
Neatly bundle all low voltage
wires behind the service
valve cover as shown.
*See Relay Panel
Installer's Guide
for specific wiring
*See Relay Panel
instructions.
Installer's Guide
for specific wiring
instructions.
2 Stage Heat Pump
2 Stage Heat Pump
Blue
(X2)
Yellow
Orange
Yellow
Red
Orange
Red
18-HD64D1-4
Blue