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CAUTION
(1) When linking the outdoor units in a network, disconnect the terminal extended from
the short plug from all outdoor units except any one of the outdoor units.
(When shipping: In shorted condition.)
For a system without link (no wiring connection between outdoor units), do not
remove the short plug.
(2) Do not install the inter-unit control wiring in a way that forms a loop.
Outdoor unit
Outdoor unit
Outdoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Prohibited
Prohibited
Indoor unit
(3) Do not install inter-unit control wiring such as star branch wiring. Star branch wiring
causes mis-address setting.
Outdoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
NO
Branch point
(4) If branching the inter-unit control wiring, the number of branch points should be 16
or fewer.
Outdoor unit
Outdoor unit
Outdoor unit
: Branch point
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
More than 2m required
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 4-3.
(6) 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)
(Functional earthing)
(Functional earthing)
Shielded wire
01_330200_EU_Eng.indb 39
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