Fujitsu AUYG07LVLA Design & Technical Manual page 349

EXAMPLE4
When connection destination does not match.
Branch box 1 (Primary)
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
Indoor Indoor Indoor
unit 1 unit 2 unit 3
[Display (Check run ends)]
LED981
POWER
MODE
LED961
Branch box 1 Branch box 1
to
Indoor unit A Indoor unit C
Switching every 2 seconds
[Coping process]
1) The wire connected to Terminal Indoor unit A of Branch box1(Primary) must be rewired to
Terminal Indoor unit C of Branch box 1(Primary).
2) The wire connected to Terminal Indoor unit C of Branch box1(Primary) must be rewired to
Terminal Indoor unit A of Branch box 1(Primary).
[After correcting wiring]
Branch box 1 (Primary)
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
Indoor Indoor Indoor
unit 1 unit 2 unit 3
Branch box 2 (Secondary)
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
Indoor Indoor Indoor
unit 4 unit 5 unit 6
Switching
every 2
LED982 LED981 LED982
ERROR POWER ERROR
seconds
MODE
LED962 LED961 LED962
Branch box 1
to
Indoor unit C
Branch box 2 (Secondary)
INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C
Indoor Indoor Indoor
unit 4 unit 5 unit 6
- (06 - 101) -
Branch box 3 (Secondary)
INDOOR UNIT A INDOOR UNIT B
Indoor Indoor
unit 7 unit 8
Branch box 1
Indoor unit A
Branch box 3 (Secondary)
INDOOR UNIT A INDOOR UNIT B
Indoor Indoor
unit 7 unit 8
6. SYSTEM DESIGN