Download B6BX air handler

Field Wiring
Factory Wiring:
Low Voltage
High Voltage
Legend
IF BOARD
EQUIPPED
WITH
BLWDTC
TERMINAL
BLACK
R
BLW DTC
Air Handler B6BX
YELLOW
W G
C
HEATER PLUG
7654321
Y
R
WHITE
GREEN
GRAY
RED
WIRING DIAGRAM
RELAY
5-PIN PLUG (18)
3A VDE FUSE
RELAY
Figure 14. Wiring Diagram for B6BX Series Air Handler with PSC Motor
21
L2
L1
R
C
L1
L2
HEAT
COOL
EAC
2
1
RED
BLACK
CAP.
BROWN
BROWN
RED
3-SPEED
208
240
R
6
5
4
3
2
1
BLACK
GRAY
24 V
C
TRANSFORMER
COM
MOTOR
1=COM
2=CAP.
3=CAP.
4=HI
5=MED
6=LOW
WHITE
RED
WHITE
BLACK
CUT WIRES TO REMOVE PLUG HOUSING
WHEN HEATER KIT NOT INSTALLED
LOCATION OF
“T” CONNECTOR
01/12
7112150
NOTES:
1. The blower motor
speed tap connection
may not be as shown.
See the Installation
Instructions.
2. Disconnect all power
before servicing.
3. Transformer may have
a dual voltage primary
tap. Match the tap
position with the
supply voltage used.
4. If the internal wiring
is replaced, use only
105°C copper wire of
the same gauge.