Sanyo CM1972 User Manual

Page 86

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Indoor unit D

Indoor unit B

Indoor unit A

Indoor unit C

Ground

Power:
Single-phase,
230/208VAC 60HZ

Power switch
(not provided)

Outdoor unit A

Terminal board

Label A

Inter-unit cables
#14 (not provided)

Terminal board

Inter-unit cables
#14 (not provided)

Terminal board

Label B

Label C

Inter-unit cables
#14 (not provided)

Terminal board

Inter-unit cables
#14 (not provided)

Terminal board

Label D

Power cable (not provided)
(#12: Less than 85 ft.)

# ... AWG (American Wire Gauge)

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.

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.

A is the indoor unit with
refrigerant tubing that is
connected to service valve
A (top) of the outdoor unit.

refrigerant tubing that is
connected to service valve
B (top) of the outdoor unit.

B is the indoor unit with

refrigerant tubing that is
connected to service valve
C (top) of the outdoor unit.

C is the indoor unit with

refrigerant tubing that is
connected to service valve
D (top) of the outdoor unit.

D is the indoor unit with

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Power supply
(conduit)

Inter Unit
(conduit)

5-5. Wiring Instructions for the Outdoor Unit

●

Be sure to correctly align inter-unit cables A, B, C and D.

●

Use a dedicated A/C circuit for power.

●

To make connections to the outdoor unit, remove the

inspection panel and tubing panel.

●

Do not bring the inter-unit cables or power cable into

contact with tubing or service valves.

●

Use outdoor unit cable fasteners and fasten the inter-

unit cables at the location where the cables are double-

sheathed.

●

Arrange the wiring so that the inter-unit cables are con-

tained in the inspection panel and tubing panel, as

shown in Fig. 31.

CAUTION

Fig. 31

07-156 CM-CLM1972-3172 6/6/07 9:35 AM Page 24