Sanyo SPW-CR903GV8 - Page 171

III - 5
Service Procedures
3
SM830063
Shielded wire
0797_M_I
ground
ground
1. Troubleshooting
CAUTION
(3) Don’t install the inter-unit control wiring such as star
branch wiring.
Star branch wiring causes mis-address setting.
Outdoor unit Indoor unit Indoor unit Indoor unit
0824_M_I
Indoor unit Indoor unit Indoor unit
Outdoor unit
Indoor unit
NG
NG
Branch point
(4) If branching the inter-unit control wiring, the number
of branch points should be 10 or less. (Branches
less than 1 m are not included in the total branch
number.)
Outdoor unit Outdoor unit Outdoor unit
0193_M_
I
Indoor unit Indoor unit Indoor unit Indoor unit
Indoor unit
more than 1 m
more than 1 m
Branch
point
10 or less
Indoor unit
Indoor unit Indoor unit Indoor unit
less than 1 m
Indoor unit
(5) Use shielded wires for inter-unit control wiring (c)
and ground the shielded on both sides, otherwise
misoperation from noise may occur.
All wiring except inter-unit control wiring (c) has
polarity.