Samsung AM JXVAF Series Installation Manual page 60

Electrical wiring work
Power wiring diagram
3 phase 3wires 208-230V [AM✴✴✴✴XVAF✴]
3 phase 3wires 460V [AM✴✴✴✴XVAJ✴]
MCCB+ MCCB+
ELB
or
ELCB
Main unit
Single phase 2
wires 208-230V
MCCB +
ELB
or
ELCB
Grounding
Wired remote
controller
Connect a power cable of the outdoor unit after checking that R-S-T (3 phase 3 wire) is properly connected.
Malfunction may occur if one or more of the wires among R-S-T phases (3 Phases-3 Wires) are not connected properly.
(*Malfunction: Turning on/off, occurrence of error, consecutive reset)
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 fire when they are not installed.
60
MCCB+
ELB ELB
or or
ELCB ELCB
Sub unit 1 Sub unit 2
Communication
cable (Outdoor unit ~
Outdoor unit)
Communication
cable (Outdoor unit ~
Indoor unit)
Grounding Grounding
Wired Wired
remote remote
controller controller
Main unit
Communication
cable (Outdoor unit ~
Indoor unit)
Sub unit
Communication
cable (Outdoor unit ~
Outdoor unit)