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HDG Series Air Handler INSTALLATION INSTRUCTIONS Heat Controller, Inc.
23
11.0 Wiring Diagram
1. To avoid the electrical shock, connect the air conditioner with the ground lug. The main power plug in
the air conditioner has been joined with the ground wiring, please don’t alter it.
2. The power socket is used as the air conditioner specially.
3. Don’t pull the power wiring hard.
4. When connecting the air conditioner with the ground, observe the local codes.
5. If necessary, use the power fuse or the circuit, breaker or the corresponding scale ampere.
THERMOSTAT
C
RED
GREEN
INDOOR UNIT
OUTDOOR UNIT
Y
R
G
RY
YELLOW
BLACK
BLACK
G
C
C
B
R
B
RED
BLUE
W2
D
PURPLE
w1
WHITE
TH ERMO STAT
C
R E
D
Y
E LL
O W
G R
EE
N
Y
R
G
INDOOR UNIT
OUTDOOR UNIT
G
C
Y
B
LACK
R
C
B
LACK
Fig. 8: Typical Thermostat Wiring for Cooling-Only Models
Fig. 9: Typical Thermostat Wiring for Heat Pump Models