Samsung RVXVHT100FE - Refrigerant Piping Works

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5
Wiring works
5-1. External connection diagram of DVM PLUS
III
1) 3 phase 3 wires
R S T N
R S T N OF1 OF2 OF1 OF2
3 phase 3 wires
(208~230V)
3 phase 3 wires
(208~230V)
Communication
cable among
outdoor units
208~230V 208~230V
Indoor Outdoor
Outdoor
Communication
cable between
indoor and
outdoor units
Earth
Earth
Earth
Earth
Main unit Sub unit
Indoor
MCCB
+ELB
or
ELCB
MCCB
+ELB
or
ELCB
 •ConnectthepowercableoftheoutdoorunitaftercheckingthatR-S-T(3phase3wires)isproperlyconnected.
 •Thecommunicationcablebetweenindoorandoutdoorunitshasnopolarity.
 •Arrangethecablesusingcableties.