Trane 4TTX8 User Manual

14 18-AC95D1-5C-EN
11.2 Low Voltage Hook-up Diagrams
With Variable Speed UH2/DH2-V Furnace
• Units with pigtails require wirenuts for connec-
tions. Cap all unused wires.
• In systems with multiple stages of heat, jumper
W1 and W2 together if comfort control has only one
stage of heat.
** When using a BK enabled comfort control, cut BK
(W14) jumper and bypass Y and BK at the furnace.
Connect BK from comfort control to BK of the
furnace.
• Install R-O Jumper and cut BK Jumper (W14)
Furnace
YY
Y
LO
Thermostat
Outdoor
Unit
R
G
B
W1
W2
B
R
G
B/C
Y1
W1
W2
24 VAC HOT
FAN
24 VAC
Common
HEATING
O
BK
BK
**
**
Y2
Y2
COOL
1st STAGE
COOL
2nd STAGE
With TEM 6With TAM 7
• Units with pigtails require wirenuts for connections. Cap all unused wires.
• In systems with multiple stages of electric heat, jumper W1 and W2 together if comfort control has only one stage of heat.
** TEM6 only - When using a BK enabled comfort control, cut BK jumper and bypass Y1 and Y2 at the air handler. Connect BK
from comfort control to BK of the air handler. Install R-O jumper.
• TAM7 only - When using a BK enabled comfort control, cut BK jumper on the AFC and connect BK from comfort control to BK of
the air handler. TAM7 DIP switches must be configured for “AC: 2 Stage/1 Compressor”.
Thermostat Air Handler
Outdoor
Unit
R
G
B
W1
W2
B
Y1
R
G
B/C
Y1
W1
W2
Blue
24 VAC HOT
FAN
24 VAC
Common
SOV
COOL/HEAT
1st STAGE
HEATING
2nd STAGE
EMERGENCY
HEAT
Pink
White
O
Y1
Y2Y2
COOL/HEAT
1st STAGE
Y2
BK
WH/BLK
BK
WH/BLK
Thermostat Air Handler
Outdoor
Unit
R
G
B
W1
W2
B
R
G
B/C
Y
l
W1
W2
Blue
24 VAC HOT
FAN
24 VAC
Common
SOV
COOL/HEAT
1st STAGE
HEATING
2nd STAGE
EMERGENCY
HEAT
Pink
White
O
Y
l
Y2
COOL/HEAT
2nd STAGE
Y2
Y
O
Y
O
Y2
BK
WH/BLK
BK
WH/BLK
**

Trane 4TTX8 Specifications

General

Brand	Trane
Model	4TTX8
Category	Air Conditioner
Language	English