Fujitsu AOU48RLXFZ Design & Technical Manual page 238

6-3. CHECK RUN EXAMPLES
EXAMPLE1
When the number of piping is more than the number of wiring.
Branch box 1 (Primary)
INDOOR UNIT A INDOOR UNIT B
Indoor Indoor
unit 1 unit 2
[Display (Check run ends)]
LED981 LED982
POWER ERROR
MODE
LED961 LED962
More
Piping Wiring
than
[Coping process]
The terminal INDOOR UNIT B of Branch box 3(Secondary) is connected with the wiring for
Indoor unit 8.
EXAMPLE2
When the number of piping is less than the number of wiring.
Branch box 1 (Primary)
INDOOR UNIT A INDOOR UNIT B
Indoor Indoor
unit 1 unit 2
[Display (Check run ends)]
LED981 LED982
POWER ERROR
MODE
LED961 LED962
Less
Piping Wiring
than
[Coping process]
Connect Indoor unit A of Branch box 2(Secondary) with the piping of Indoor unit 4 and Indoor
unit B of Branch box 3(Secondary) and the piping of Indoor unit 8.
Branch box 2 (Secondary)
INDOOR UNIT C INDOOR UNIT A INDOOR UNIT B
Indoor Indoor Indoor
unit 3 unit 4 unit 5
Branch box 2 (Secondary)
INDOOR UNIT C INDOOR UNIT A INDOOR UNIT B
Indoor Indoor Indoor
unit 3 unit 4 unit 5
Not Connected
- (06 - 84) -
Branch box 3 (Secondary)
INDOOR UNIT C INDOOR UNIT A INDOOR UNIT B
Indoor Indoor Indoor
unit 6 unit 7 unit 8
Branch box 3 (Secondary)
INDOOR UNIT C INDOOR UNIT A INDOOR UNIT B
Indoor Indoor Indoor
unit 6 unit 7 unit 8
: Wiring
: Piping
INDOOR UNIT C
Not Connected
INDOOR UNIT C
Not Connected
6. SYSTEM DESIGN