3. The 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.
1009
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
WIRING DIAGRAM
Wall Mount B6BW (8KW/10KW/036)
NOTES:
1. The blower motor speed tap connection may not be as shown. See
the Installation Instructions.
2. Disconnect all power before servicing.
¢711039&¤
711039C
(REPLACES 711039B)
CONTROL
BOARD
R
C
L2
L1
HEAT
COOL
EAC
L1
L2
Y
W
GC
R
CIRCUIT
BREAKER
TRANSFORMER
24V
230V
ELEMENT RELAY
ELEMENT RELAY
ELEMENT
ELEMENT
SUPPLY VOLTAGE
ECM
MOTOR
COM1
U1 U2
T-BOARD
BLACK
WHITE
RELAY 1
RELAY 2
HEATER
BLUE
ORANGE
LIMIT
2
1
4
3
COMNO
COM
NO
21
4
3
21
4
3
M1
M2
M3
M4
M5
HUM
GRAY
RED
BLACK
WHITE
GRAY
YELLOW
WHITE
GRAY
RED
GREEN
RED
GRAY
BLACK
BLACK
RED
RED
RED
BLACK
BLACK
BLACK
WHITE
HARNESS
HARNESS
HARNESS
RED
WHITE
RED
BLACK
GRAY
RED
GRAY
RED
BLACK
BLACK
WHITE
BLWDTC
R
BLACK
IF BOARD
EQUIPPED
WITH
BLWDTC
TERMINAL
-
1
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