Sanyo W-3WAY ECO-i 85464369098000 Installation Instructions Manual page 71

CAUTION
(1) When linking outdoor units in a network (S-net link system), disconnect the terminal extended from the short plug
(CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units except any one of
the outdoor units. (When shipping: In shorted condition.)
Otherwise the communication of S-net link system is not performed. For a system without link (no connection wir-
ing 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. (Fig. 5-1)
Outdoor unit
Indoor unit
(3) Do not install inter-unit control wiring such as star branch wir-
ing. Star branch wiring causes mis-address setting. (Fig. 5-2)
Outdoor unit
NO
(4) If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.
(Branches less than 3.3 ft. are not included in the total branch number.) (Fig. 5-3)
Branch
point
16 or fewer
W-3WAY_ECO-i_US.indd 71 W-3WAY_ECO-i_US.indd 71
Outdoor unit
Indoor unit Indoor unit
Fig. 5-1
Indoor unit
Indoor unit
Fig. 5-2
Outdoor unit Outdoor unit
Indoor unit Indoor unit
more than 3.3 ft.
Indoor unit Indoor unit
more than 3.3 ft.
Indoor unit
less than 3.3 ft.
Indoor unit
Fig. 5-3
Outdoor unit
Prohibited
Prohibited
Indoor unit
Outdoor unit
NO
Indoor unit
Indoor unit
Branch point
Outdoor unit
Indoor unit
Indoor unit
71
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
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