Power Wiring Diagram - Samsung RD080HRXGB Installation Manual

Power wiring diagram

 External connection diagram of DVM PLUS IV
3 phase 4 wires 3 phase 4 wires
(380-415V~) (380-415V~)
MCCB+ MCCB+
ELB ELB
or or
ELCB ELCB
Main unit
Earth
Communi c ati o n cabl e
1 phase 220V-240V~
among outdoor uni t s
MCCB+
ELB
or
ELCB
Earth
Wired remote
controller
• Connect the power cable of the outdoor unit after checking that R-S-T-N(3 phase 4 wire) is
properly connected. Even if 380~415V power cable is connected to phase N, PCB and other
components are protected by an electric protection system.
• The communication cable between indoor and outdoor units has no polarity.
• Arrange the cables using cable ties.
❈ When you use the 3phase-3wire power supply, contact the local Samsung staff to take extra
steps.
3 phase 4 wires
(380-415V~)
MCCB+
ELB
or
ELCB
Sub unit 1 Sub unit 2
Earth Earth
Communi c ati o n cabl e
among outdoor uni t s
Communi c ati o n cabl e
(Outdoor uni t ~Indoor uni t )
Earth Earth
Wired remote Wired remote
controller controller
Main unit Sub unit
Main unit Sub unit
Communi c ati o n cabl e Communi c ati o n cabl e
(Outdoor uni t ~Indoor uni t ) (Outdoor uni t ~Outdoor uni t )
installing the unit _37