Wiring Instructions For The Outdoor Unit - Panasonic CU-5E34NBE-C Technical & Service Manual

5-5. Wiring Instructions for the Outdoor Unit

CAUTION
Be sure to correctly align inter-unit cables A, B, C, D and E.
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Indoor unit E
E is the indoor unit with
Terminal board
refrigerant tubing that is
1 2 3
connected to service valve
E (top) of the outdoor unit.
Indoor unit D
D is the indoor unit with refrigerant
Terminal board
tubing that is connected to
1 2 3
service valve D (fourth from
the bottom) of the outdoor unit.
Indoor unit C
C is the indoor unit with refrigerant
Terminal board
tubing that is connected to
1 2 3
service valve C (third from the
bottom) of the outdoor unit.
Indoor unit B
B is the indoor unit with refrigerant
Terminal board
tubing that is connected to
1 2 3
service valve B (second from
the bottom) of the outdoor unit.
Indoor unit A
A is the indoor unit with
Terminal board
refrigerant tubing that is
1 2 3
connected to service valve
A (bottom) of the outdoor unit.
Use a dedicated air conditioner circuit for power.
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To make connections to the outdoor unit, remove the inspection panel and tubing panel.
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Do not bring the inter-unit cables or power cable into contact with tubing or service valves.
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Use outdoor unit cable fasteners and fasten the inter-unit cables at the location where the cables are double-
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sheathed.
Arrange the wiring so that the inter-unit cables are contained in the inspection panel and tubing panel, as shown
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in Fig. 31.
1
E
1
C
Inter-unit cables
1.0 mm 2 (not provided)
Label E
E
Inter-unit cables
1.0 mm 2 (not provided)
Label D
D
Inter-unit cables
1.0 mm 2 (not provided)
Label C
C
Inter-unit cables
1.0 mm 2 (not provided)
Label B
B
Inter-unit cables
1.0 mm 2 (not provided)
Label A
A
Outdoor unit
Terminal board
2 3 1 2 3 L N
D
2 3 1 2 3 1 2 3
B A
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.
Fig. 31
18
Power:
Single-phase,
220 - 230 - 240 VAC 50Hz
Leakage breaker/fuse link
(not provided)
Ground
Power cable (not provided)
(3.5 mm 2 : Less than 26 m)