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Wiring work
Power and communication cable connection
1. Before wiring work, you must turn off all power source.
2. Indoor unit power should be supplied through the breaker ( ELCB or MCCB+ELB ) separated by the outdoor power.
ELCB: Earth Leakage Circuit Breaker
MCCB:Molded Case Circuit Breaker
ELB:Earth Leakage Breaker
3. The power cable should be used only copper wires.
4. Connect the power cable{1(L), 2(N)} among the units within maximum length and communication cable(F1, F2) each.
5. Connect V1, V2(for DC12V) and F3, F4(for communication) when installing the wired remote control.
ELCB
MCCB+
ELB
Indoor Unit 1
Outdoor Unit
Indoor Unit 2
Indoor Unit 3
Wired Remote
Control
220-240V~
❋
❋
ELCB : Essential Installation
or
WARNING :
Power off before connecting any wires;
Indoor PBA will be damaged while V1,V2,F3,F4 short each other.
Connecting power for optional product
X
f
When installing optional product, make sure to follow below current capacity.
❋
❋
Optional product is not supplied by manufacturer.
OPTION
VENTILATOR
AC, Below 2A
AC, Below 2A
1(L)
T/B
2(N)
Vc
Vc
Vw
Vw
POWER : L
POWER : N
HOT
COIL
Big Duct_IBIM_E_33766-3.indd 28
2012-01-13 오후 9:40:32