Samsung AM BXVGFH/AA Series Technical Data Book page 94

10. Installation
Power wiring diagram
3 phase 3wires 208-230V [AM****XV*F*] 3 phase
3wires 460V [AM****XV*J*]
Main unit
MCCB+
ELB
or
ELCB
Single phase 2
wires 208-230V
MCCB+
ELB
or
ELCB
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 : Turing 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.
Sub unit 1
MCCB+ MCCB+
ELB
or
ELCB ELCB
Communication
Outdoor unit)
Communication
Indoor unit)
Grounding Grounding Grounding
Wired remote Wired remote
controller controller
Sub unit 2
ELB
or
Communication cable
Main unit
Communication cable
unit)
Sub unit
unit)