BLOWER
MOTOR
PLUG
6
5
4
3
2
1
WIRING DIAGRAM
710587B (Replaces 710587A)
Air Handler with Factory Installed Heat (8 kW, 10kW)
Legend
Field Wiring
Factory Wiring:
Low Voltage
High Voltage
W2
W1
O
Y/Y2
G
R
C
TRANSFORMER
24V
BLACK
RED
WHITE
BLACK
WHITE
FUSE
L2 COM 2
L2
L2 COM
L1
VS POWER
XFMR
COOL
HEAT
24 VAC
RED
COM
GREY
P3
HEATER KIT
PLUG
Y1
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.
3
2
1
6
5
4
7
BLACK
RED
ELEMENT
BLACK
GREY
BLACK
POWER
PLUG
LIMIT
RED
RED
RED
RED
RED
BLACK
RELAY
RELAY
TERMINAL
BLOCK
(for select
models only
)
CIRCUIT
BREAKER
(Circuit breaker
models only)
ELEMENT
4 SPD. MOTOR
1
2
3
5
6
4
1 = COM
2 = HIGH
3 = MED HIGH
4 = MED LOW
5 = LOW
6 = OPEN
BROWN
1 = COM
2 = HIGH
3 = MED HIGH
4 = MED LOW
5 = LOW
6 = OPEN
GREY
BLUE
ORANGE
GREY
ORANGE
BLUE
¢710587D¤
BLACK
BLACK
