Sanyo 85464359982001 Installation Instructions Manual page 61

07-007 W-2WAY_II_NA 1/23/07
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
wiring 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
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.
(Branches less than 3.3 ft. are not included in the total branch number.) (Fig. 5-3)
Branch
point
16 or fewer
6:09 PM Page 61
Outdoor unit
Indoor unit Indoor unit
Indoor unit
Indoor 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
Outdoor unit
Prohibited
Indoor unit
Fig. 5-1
NO
Indoor unit
Indoor unit
Branch point
Fig. 5-2
Outdoor unit
Indoor unit
Indoor unit
Fig. 5-3
61
Prohibited
Indoor unit
Outdoor unit
Indoor unit
Indoor unit
Indoor unit
Outdoor unit
Indoor unit
Indoor unit