Sanyo CMH3172 Service Manual - Page 86
ure to, erform, roundin, Wiring Instructions for the Outdoor Unit, Fig. 31
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5-5. Wiring Instructions for the Outdoor Unit CAUTION G Be sure to correctly align inter-unit cables A, B, C and D. Outdoor unit A Terminal board 1 2 Indoor unit A 1 2 3 4 5 6 7 8 9 10 11 12 A is the indoor unit with refrigerant tubing that is connected to service valve A (top) of the outdoor unit. 123 Terminal board Inter-unit cables #14 (not provided) Label A A Indoor unit B B is the indoor unit with refrigerant tubing that is connected to service valve B (top) of the outdoor unit. 123 Terminal board Inter-unit cables #14 (not provided) Label B Power supply (conduit) Power: Single-phase, 230/208VAC 60HZ Power switch (not provided) Ground Power cable (not provided) (#12: Less than 85 ft.) B Indoor unit C C is the indoor unit with refrigerant tubing that is connected to service valve C (top) of the outdoor unit. 123 Terminal board Inter-unit cables #14 (not provided) Label C C Indoor unit D D is the indoor unit with refrigerant tubing that is connected to service valve D (top) of the outdoor unit. 123 Terminal board Inter-unit cables Label D #14 (not provided) D 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 miswiring. The units will not function if the wiring connections are incorrect. Inter Unit (conduit) Fig. 31 # ... AWG (American Wire Gauge) G Use a dedicated A/C 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 doublesheathed. G Arrange the wiring so that the inter-unit cables are contained in the inspection panel and tubing panel, as shown in Fig. 31. 24
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