Trane 4TTR4018L Installer's Manual page 15

TAM7 Air Handler
Hook-up Diagram
Comfort Control
W White
Green
G
Y1 Yellow
O
Red
R
Blue
B
Y2
Field wiring
TAM4, GAM5 Air Handler
Hook-up Diagram
Comfort Control
White
W White
Green Green
G
Yellow
Yellow Y
Orange O
Red
Red R
Blue
Blue
B
Field wiring
18-AC51D1-8-EN
Neatly bundle all low voltage
wires behind the service
valve cover as shown.
Air Handler
W3
W2
W1
G
YI (In)
O
R
B B - Blue
(Out)
YO
Y1 - Yellow
Y2
DH/BK
Neatly bundle all low voltage
wires behind the service
valve cover as shown.
Air Handler
W3
W2
W1
G
YI (In)
O **
R **
B B - Blue
YO (Out)
Y - Yellow
Air Conditioner
Blue
Yellow
Must configure to
"ON" for AC Units.
Must configure to "OFF" for
single-stage compressors.
Air Conditioner
Blue
Control Board
OUTDOOR OUTDOOR
on
}
Capacity (Tons)
AC (System)
HP
1 2 (Stages)
1 2 (Compressor)
R4
S1
1 INDOOR
R NET 1
on
R NET 2
CFM/Ton
R1
U1
Cool Off Delay
R13 Torque
CFM
R14
D9
S2
C10
+12V
R22
1. * For multiple stages of
electric heat, jumper W1,
W2, and W3 together if
comfort control has only
one stage of heat.
2. ** R to O jumper must
be in place as shown for
cooling only, non-heat
pump systems for proper
operation.
3. Yi and Yo connections
must be made as shown
for freeze protection and
internally mounted con-
densate overflow circuits
to work properly.
Yellow 4. Internally mounted con-
densate switch is optional
and must be ordered
separately.
5. If 3rd party condensate
overflow switches are
installed, they should be
wired in series between
YO and Y to the outdoor
unit.
15