Trane TCONT402AN32DA - Energy Savings Key Operation; Service and System Indicators; Service Indicator Alert

10 Pub. No. 18-HD29D3-4
Installer’s Guide
R
G
Y/
Y1
W1
B
24VAC HOT
24VAC
common
COMFORT CONTROL
TWO STAGE COOLING
SPLIT COIL VARIABLE SPEED AIR HANDLER
BK DISABLED
FAN
COOLING -1st
HEATING -1st
HEATING -2nd
W2
O
R
G
W1
W2
Y1/
Y
LO
Y
B
TWO SEPARATE
AIR CONDITIONERS
VS AIR HANDLER
& ELECTRIC HEAT
W3
HEATING -3rd
Y2
COOLING-2nd
BK
Y/
Y2
Y
BK
B
SECOND
STAGE
FIRST
STAGE
B
O
W3
NOTE: Two additional wires are required for Outdoor Temperature Sensor.
R
G
Y/
Y1
W1
B
24VAC HOT
24VAC
common
COMFORT CONTROL
SINGLE STAGE COOLING
VARIABLE SPEED INDOOR
BK DISABLED
FAN
COOLING -1st
HEATING -1st
HEATING -2nd
W2
O
R
G
W1
W2
Y1/
Y
LO
B
SINGLE STAGE
AIR CONDITIONER
TWO STAGE VS
GAS FURNACE or
VS AIR HANDLER
& ELECTRIC HEAT
B
C
W3
HEATING -3rd
Y2
BK
Y/
Y2
Y
BK
W3
O
NOTE: See Fig. OIL-1 for external relay connections for oil furnaces.
NOTE: Two additional wires are required for Outdoor Temperature Sensor.
Figure CL-5
Figure CL-7
Figure CL-6
Figure OIL-1
R
G
Y/
Y1
W1
B
24VAC HOT
24VAC
common
COMFORT CONTROL
SINGLE STAGE COOLING
SINGLE STAGE OIL FURNACE
BK DISABLED
FAN
COOLING
HEATING
W2
O
R
G
W
W2
Y
Y
B
SINGLE STAGE
AIR CONDITIONER
SINGLE STAGE
OIL FURNACE
B
C
W3
Y2
BK
W3
R1
R1
NOTE: Two additional wires are required for Outdoor Temperature Sensor.
NOTE: BT (Bonnet Thermostat) model THT1248 (BAYSEN03ATEMPAA)
required for dual fuel, oil furnace applications.
BT
R
G
Y/
Y1
W1
B
24VAC HOT
24VAC
common
COMFORT CONTROL
SINGLE STAGE COOLING
NON-VARIABLE SPEED INDOOR
BK DISABLED
FAN
COOLING -1st
HEATING -1st
HEATING -2nd
W2
O
R
G
W/
W1
W2
Y
Y
B
SINGLE STAGE
AIR CONDITIONER
ONE OR TWO STAGE
GAS FURNACE or
AIR HANDLER &
ELECTRIC HEAT
B
C
W3
HEATING -3rd
Y2
BK
W3
NOTE: See Fig. OIL-1 for external relay connections for oil furnaces.
NOTE: Two additional wires are required for Outdoor Temperature Sensor.