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