70
Electrical wiring work
<When the module combination is not in the tables of “Outdoor unit combination”>
3 phase 4wires 380 - 415 V~
MCCB+
ELB
MCCB+
ELB
MCCB+
ELB
MCCB+
ELB
ELCB
ELCB
ELCB
ELCB
ELCB
Main unit
Sub unit
Main unit
Sub unit 1
Sub unit 2
Single phase 2 wires
(220-240 V~)
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
(Outdoor unit ~ Indoor
unit)
Communication cable
(Outdoor unit ~ Outdoor
unit)
f
Connect a power cable of the outdoor unit after checking that R-S-T-N (3 phase 4 wire) is properly connected. (If the 380-
415 V power is supplied to the N phase, PCB and other electrical part will be damaged.)
f
Communication cable between indoor and outdoor units and communication cable between outdoor units has no
polarity.
f
Arrange the cables with a cable tie.
❇
ELCB and ELB must be installed since there is risk of electric shock or fire when they are not installed.
Summary of Contents for DVM S AM080FXVAGH
Page 112: ......