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HIGH VOLTAGE!
WARNING
MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO
MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Low Voltage Wiring for ARUF Air Handlers
ARUF
10 KW & BELOW
HEAT PUMP
C
O Y R
W2
B
R
R
I
R
Y
O
W
BL
#18 GA. 5 WIRE
(OPTIONAL)
OUTDOOR THERMOSTAT
CLOSE ON TEMPERATURE FALL
ARUF
ABOVE 10 KW
HEAT PUMP
C
O
Y
R
W2
B
R
R
I
R
Y
O
W
BL
(OPTIONAL)
OUTDOOR THERMOSTAT
CLOSE ON TEMPERATURE FALL
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DISCONNECT ALL POWER BEFORE SERVICING.
TYPICAL H/P
ROOM THERMOSTAT
Y O C
G R E
W2
R
G
NOTE
BR
W
BL
TYPICAL H/P
ROOM THERMOSTAT
Y
O
C
G
R
E
W2
BR
NOTE
NOTE
#18 GA. 5 WIRE
#18 GA. 7 WIRE NEEDED WHEN TWO OT'S ARE USED
20
#18 GA. 7 WIRE
AR UNIT
R
RED
G
GREEN
W
WHITE
BL
BLUE
#18 GA. 6 WIRE NEEDED WHEN OT IS USED
#18 GA. 7 WIRE
AR UNIT
R
R
RED
G
G
GREEN
W
WHITE
BR
BROWN
BL
BLUE
BL
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