Fujitsu AU G18LVLB Series Design & Technical Manual page 165

1 phase type simultaneous multi system
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WIRING CONNECTION RULES
Connect serial wire only to the primary unit.
(If serial wire was connected from primary unit to secondary unit, the air conditioner will not
operate.)
Do not loop the wiring between remote controllers.
(When looped, the air conditioner will not operate.)
Connect only the power
cable between indoor units.
Outdoor unit – indoor unit connection cable
Junction box (Local purchase)
Indoor unit – indoor unit connection cable
Remote controller cable
Do not loop the wiring
between remote controllers.
- (04-23) -

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