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7.2
Electrical Wiring Connection
The ELB (earth leakage breaker), FUSE and S (main switch) must be installed to the each power source of
outdoor unit. If not, it may cause of electrical shock or fire
NOTE:
Supply the power source of outdoor units and indoor units respectively.
(1) Power Source Wiring
Supply the power sources to the each outdoor unit respectively.
Power source wiring is fundamentally according to this method.
Outdoor Unit Power Source
1
ELB
2
FUSE
3
S
4
Outdoor
Unit
5
C
7
380 - 415V 3N ~ 50Hz
1
ELB
1
ELB
2
FUSE
2
FUSE
3
S
3
S
4
4
Outdoor
Outdoor
Unit
Unit
5
5
B
A
7
1
ELB (Earth Leakage Breaker)
FUSE
2
S (Main Switch)
3
Power Source Wiring (O.U.)
4
Earth Wiring (O.U.)
5
Transmission Wiring (O.U. ~ I.U.)
6
Transmission Wiring (O.U. ~ O.U.)
7
Power Source Wiring (I.U.)
8
Earth Wiring (I.U.)
9
Indoor Unit Side
6
8
8
S
FUSE
Indoor
Unit
9
ELB
6
Indoor Unit
Power Source
220-240V ~ 50Hz
8
Indoor
Unit
9
6
35
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