78
Electrical wiring work
<When the module combination is not in the tables of “Outdoor unit combination”>
ߥΧ˵ɇϑʪߦиθʪϑߥߪߢࣛߦߣߧǤ
MCCB+
ELB
MCCB+
ELB
MCCB+
ELB
MCCB+
ELB
ELCB
ELCBELCB
ELCB ELCB
Main unit Sub unit
Main unit Sub unit 1 Sub unit 2
Ɗ˝ʪΧ˵ɇϑʪߤиθʪϑ
࣑ߤߤߢࣛߤߦߢǤ࣒
Grounding Grounding Grounding
Wired remote
controller
Wired remote
controller
Communication
cable (Outdoor unit
~ Outdoor unit)
Communication
cable (Outdoor unit
~ Indoor unit)
Wired remote
controller
or
or
or or
Communication cable
࣑ĮЇϩʒͱͱθЇϩÃʒͱͱθ
unit)
Communication cable
࣑ĮЇϩʒͱͱθЇϩĮЇϩʒͱͱθ
unit)
Connect a power cable of the outdoor unit after checking that R-S-T-N (3 phase 4 wire) is properly
ʀͱʪʀϩʪʒ࣑Ã˙ϩ˵ʪߥߪߢࣛߦߣߧǤΧͱиʪθϑϑЇΧΧʪʒϩͱϩ˵ʪĘΧ˵ɇϑʪࡥťA9ɇʒͱϩ˵ʪθʪʪʀϩθʀɇΧɇθϩиɵʪ
damaged.)
Communication cable between indoor and outdoor units and communication cable between outdoor units
has no polarity.
Arrange the cables with a cable tie.
࢜
køA9ɇʒkø9Їϑϩɵʪϑϩɇʪʒϑʀʪϩ˵ʪθʪϑθϑͱ˙ʪʪʀϩθʀϑ˵ͱʀͱθѣθʪи˵ʪϩ˵ʪцɇθʪͱϩϑϩɇʪʒ