22
NOTES:
1) OUTDOOR THERMOSTAT (OT-1) SHOULD BE THE
FIRST TO CLOSE AND THE LAST TO OPEN.
2) JUMPER W1 AND W2 TOGETHER IF OT-2 IS NOT USED.
3) REMOVE WIRE WHEN USING OUTDOOR THERMOSTAT.
NOMENCLATURE:
OT - OUTDOOR THERMOSTAT (OPTIONAL)
EHR - EMERGENCY HEAT RELAY (OPTIONAL)
COLOR CODES
RD - RED
YL - YELLOW
BL - BLUE
BR - BROWN
OR - ORANGE
WH - WHITE
GC R
HEAT PUMP UNIT WITH OPTIONAL HEAT KITS OF 10 kW AND BELOW
C
W1
W2
Y2
Y1
O
G
R
TB
#18 GA. 7 WIRE
O
YC
W2
R Y O
W2
E
RD
BR
GR
BR
BL
WH
OR
YL
YL
YL
YL
RD
BL
WH
WH
OR
BL
BL
WH
AIR HANDLER
GC R
HEAT PUMP UNIT WITH OPTIONAL HEAT KITS OF 15 kW AND ABOVE
C
W1
W2
Y2
Y1
O
G
R
TB
#18 GA. 7 WIRE
O
YC
W2
R Y O
W2
E
RD
GR
BL
OR
YL
YL
BL
OR
WH
BR
WH
BL
WH
WH
RD
BR
RD
WH
GR
YL
OR
OR
RD
OR
AIR HANDLER
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
18 Wiring Diagrams
HIGH VOLTAGE!
D
ISCONNECT
ALL POWER BEFORE SERVICING OR
INSTALLING THIS UNIT
M
ULTIPLE POWER SOURCES MAY BE PRESENTAILURE TO DO SO MAY
CAUSE
PROPERTY DAMAGEPERSONAL INJURY OR DEATH
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