1-10-16
11
(4) If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.
Central Controller
Outdoor unit
Outdoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit Indoor unit
Indoor unit Indoor unit
Outdoor unit
: Branch point
More than 2m required
Fig. 1-10-4
(5) Use shielded wires for inter-unit control wiring (C)
and ground the shield on both sides, otherwise
misoperation from noise may occur. (Fig. 1-10-5)
Connect wiring as shown in Section “ Wiring System
Diagrams”. (Fig. 1-10-1)
Fig. 1-10-5
(6) • Connecting cable between indoor unit and outdoor
unit shall be approved polychloroprene sheathed 5 or
3 *1.5 mm
2
flexible cord. Type designation 60245 IEC 57
(H05RN-F, GP85PCP etc.) or heavier cord.
•
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)
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 connect wiring to the terminal” and
fasten the wire securely with the terminal screw.
WARNING
(Functional earthing) (Functional earthing)
Shielded wire
(4)
(Type E1)
If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.
(Branches that are less than 1 m are not included in the total branch number.) (Fig. 1-10-4)
Indoor unit
Outdoor unit
Indoor unit Indoor unit Indoor unit
tinu roodtuOtinu roodtuO
Indoor unit Indoor unit Indoor unit Indoor unit
Indoor unit
Indoor unit
more than 1 m
less than 1 m
16 or fewer
Branch
Point
more than 1 m
SM830266-00_大洋州向けR32シングルTD&SM.indb 16 18/03/29 10:20:00
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