Panasonic CU-5E34NBE-C, Technical & Service Manual

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18
English
1 2 3 1 2 3
1 2 3 1 2 3
L N
1 2 3
A B C
D E
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
D
A
B
C
E
Indoor unit E
Indoor unit B
Indoor unit A
Indoor unit C
A is the indoor unit with
refrigerant tubing that is
connected to service valve
A (bottom) of the outdoor unit.
B is the indoor unit with refrigerant
tubing that is connected to
service valve B (second from
the bottom) of the outdoor unit.
Indoor unit D
D is the indoor unit with refrigerant
tubing that is connected to
service valve D (fourth from
the bottom) of the outdoor unit.
C is the indoor unit with refrigerant
tubing that is connected to
service valve C (third from the
bottom) of the outdoor unit.
connected to service valve
E (top) of the outdoor unit.
refrigerant tubing that is
E is the indoor unit with
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.
Inter-unit cables
Terminal board
Label E
1.0 mm 2 (not provided)
Inter-unit cables
Label D
1.0 mm 2 (not provided)
Terminal board
Terminal board
Label C
Inter-unit cables
1.0 mm 2 (not provided)
Inter-unit cables
Terminal board
Label B
1.0 mm 2 (not provided)
Inter-unit cables
Terminal board
1.0 mm 2 (not provided)
Label A
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)
Outdoor unit
Terminal board
5-5. Wiring Instructions for the Outdoor Unit
�
Be sure to correctly align inter-unit cables A, B, C, D and E.
�
Use a dedicated air conditioner 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 contained in the inspection panel and tubing panel, as shown
in Fig. 31.
CAUTION
Fig. 31
12-401 CU-5E34NBE_OU EN_1.qxd 3/12/12 5:05 PM Page 18