System Configuration - Fujitsu AOU48RLXFZ1 Installation Manual

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System configuration

• 2 to 8 indoor units can be connected.
• The total capacity of the indoor units connected must be between 38,400 and 62,400BTU.
Ex. Eight indoor units: 7,000+7,000+7,000+7,000+7,000+7,000+7,000+12,000=61,000BTU → OK
• I f the total capacity of the connected indoor units exceeds 62,400BTU, an error will be displayed and the units will be
not operate.
For the installation method of Branch box and indoor units, refer to the installation manuals that come with them.
When installing just 1 branch box, be sure to
use the primary unit.
When installing multiple branch boxes, use both
the primary unit and secondary units together.
Breaker2
Breaker1
Power
supply
En-6
Separation tube
Separation tube
Outdoor unit
Branch box
(Secondary2)
Breaker2
Breaker1
Power supply
Branch box
(Secondary1)
Breaker2
Breaker1
Power
supply
Branch box
(Primary)
Breaker2
Breaker1
Power
supply
Breaker2 Circuit breaker (MOCP:Maximum
Over Current Protection)
Breaker1 Earth leakage breaker
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Piping
Power supply
Transmission line
Power supply and Transmission line