Wiring Instructions For The Outdoor Unit - Sanyo CMH3172A Installation Instructions Manual

5-5. Wiring Instructions for the Outdoor Unit

CAUTION
G Be sure to correctly align inter-unit cables A, B, C and D.
Indoor unit A
A is the indoor unit with
refrigerant tubing that is
1 2 3
connected to service valve
A (bottom) of the outdoor unit.
Terminal board
Indoor unit B
B is the indoor unit with
refrigerant tubing that is
1 2 3
connected to service valve B
(second from the bottom) of
the outdoor unit.
Terminal board
Be sure to perform grounding.
Attach a ground wire to either the
outdoor unit or indoor unit.
If there is a grounding terminal
inside the room, use the grounding
screw inside the indoor unit.
G
Use a dedicated air conditioner circuit for power.
G
To make connections to the outdoor unit, remove the inspection panel and tubing panel.
G
Do not bring the inter-unit cables or power cable into contact with tubing or service valves.
G
Use outdoor unit cable fasteners and fasten the inter-unit cables at the location where the cables are double-
sheathed.
G Arrange the wiring so that the inter-unit cables are contained in the inspection panel and tubing panel, as shown in
Fig. 31.
Outdoor unit
Terminal board
1 2 3 4 5 6 7 8 9 10 11 12
Inter Unit
(conduit)
Label A
A
Inter-unit cables
#14 (not provided)
Inter-unit cables
#14 (not provided)
Label B
B
1 2
Inter Unit
(conduit)
Inter-unit cables
#14 (not provided)
Inter-unit cables
#14 (not provided)
Be sure to apply the provided labels to both
ends of the inter-unit cables to prevent mis-
wiring. The units will not function if the wiring
connections are incorrect.
# ... AWG (American Wire Gauge)
Fig. 31
24
Power supply
(conduit)
Power:
Single-phase,
230/208VAC 60HZ
Power breaker
(not provided)
Ground
Power cable (not provided)
(#12: Less than 85 ft.)
Indoor unit D
D is the indoor unit with
refrigerant tubing that is
1 2 3
connected to service valve
D (top) of the outdoor unit.
Terminal board
Label D
D
Indoor unit C
C is the indoor unit with
refrigerant tubing that is
1 2 3
connected to service valve
C (third from the bottom)
of the outdoor unit.
Label C
Terminal board
C