Panasonic S-3650PU3E Technical Data & Service Manual page 68

1
(2) Do not install the inter-unit control wiring in a way that forms a loop.
Outdoor unit
Indoor unit
(3) Do not install inter-unit control wiring such as star branch wiring. Star branch wiring causes mis-address setting.
Outdoor unit
NO
(4) If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.
Central Controller
(5) Use shielded wires for inter-unit control wiring (C) and
ground the shield on both sides, otherwise misoperation
from noise may occur.
Connect wiring as shown in Section
"Wiring System Diagrams" on page 1-10-1-1-2.
(6) •
In the case of 3-line connection, connection cable between outdoor and indoor unit shall be approved
polychloroprene sheathed flexible cord. Type designation 60245 IEC57 (H05RN-F,
• Use the standard power supply cables for Europe (such as H05RN-F or H07RN-F which conform to CENELEC
(HAR) rating specifications) or use the cables based on IEC standard. (60245 IEC57, 60245 IEC66)
WARNING
Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also occur.
Therefore, ensure that all wiring is tightly connected.
When connecting each power wire to the terminal, follow the instructions on "How to
and fasten the wire securely with the terminal screw.
Outdoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Outdoor unit
: Branch point
Outdoor unit
Outdoor unit
Outdoor unit
Prohibited
Indoor unit
Indoor unit
Indoor unit
Branch point
Indoor unit Indoor unit
Indoor unit Indoor
Indoor unit
(Functional earthing)
1-10-1-1-4
Prohibited
Indoor unit
Indoor unit
unit Indoor unit
Shielded wire
(Functional earthing)
GP85PCP etc.) or heavier cord.
connect wiring to the terminal"