Samsung AM***MXWA Series - Power Wiring Diagrams

ENGLISH-53
02 INSTALLING THE PRODUCT
Power wiring diagram
Supplying 3 phase 4 wires (380-415V~)
3 phase 4 wires
(380 ~ 415 V)
Main outdoor unit
Main outdoor unit Sub outdoor unit
Sub outdoor unit
Communication
cable (Outdoor unit
~ Outdoor unit)
Main outdoor
unit
Sub outdoor
unit 1
Sub outdoor
unit 2
Communication
cable (Outdoor unit
~ Indoor unit)
Grounding Grounding Grounding
Wired remote
controller
Wired remote
controller
Wired remote
controller
MCCB+
ELB
or
ELCB
Communication
cable (Outdoor unit ~
Indoor unit )
Communication
cable (Outdoor unit ~
Outdoor unit )
Single phase 2 wires
(220 -240 V)
MCCB+
ELB
or
ELCB
 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.)
 Communication cable between indoor and outdoor units and communication cable between outdoor units has no
polarity.
 Arrange the cables with a cable tie.
 ELCB and ELB must be installed since there is risk of electric shock or re when they are not installed.