Trane 5TTR4018A - Page 10

10 18-AC128D1-1B-EN
11.2 Low Voltage Hook-up Diagrams
With Furnace With Variable Speed Furnace
• Units with pigtails require wirenuts for
connections. Cap all unused wires.
•
In AC systems for multiple stages of heat,
jumper W1 and W2 together if comfort control
has only one stage of heat.
* If equipped with second stage heat
** When using a BK enabled comfort control,
cut BK jumper and bypass Y and YLo at the
furnace. Connect BK from comfort control to
BK of the furnace
Thermostat Furnace Furnace
Outdoor
Unit
R
G
B
W1
W2
B
Y
R
G
B/C
W1
W2
24 VAC HOT
FAN
24 VAC
Common
COOL
HEATING
YY1
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
COOL
HEATING
O
BK
BK
**
**
**
With 5TEM4, 6 and C With 5TAM5 and X
• Units with pigtails require wirenuts for connections. Cap all
unused wires.
•
In AC systems for multiple stages of electric heat, jumper W1
and W2 together if comfort control has only one stage of heat.
• TEM3/4 - Bypass air handler and connect Y from comfort
control directly to OD unit
* TEM6 Only
** 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
• TAM4 only - Wire as shown, no BK is available
• 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
Thermostat Air Handler
Outdoor
Unit
R
G
B
W1
W2
B
Y
R
G
B/C
Y
W1
W2
Blue
24 VAC HOT
FAN
24 VAC
Common
SOV
COOL/HEAT
1st STAGE
HEATING
2nd STAGE
EMERGENCY
HEAT
Pink
White
O
Y1
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
Y
O
Y
O
BK
WH/BLK
BK
WH/BLK
**