7. Wiring
30
. Installation
Λ
Λ
■
Caution
●
All wiring and parts shall be the rated ones.
●
For details of wiring, refer to the circuit diagram attached onto the outdoor unit.
●
The electrical work shall be performed by the qualified electrical worker.
●
The circuit diagram for wiring shows only the concept and so the details for actual work is not described.
●
This air conditioner is consist of 3 phase 4 wire system and so the main circuit breaker to block the power
shall be installed in the integrated manner.
●
Be sure to install the circuit breaker and fuse on power cable of each equipment.
●
Connect the wires to the terminals without excessive force and arrange the wires with the cover or other
parts so that it may not be loosened. If it is loosened, it may cause the overheating, electrical shock and fire.
MCCB
3
MCCB
1
ELB
ELB
MCCB
MCCB
When using ELB for 3 phase and 1 phase
When using ELB for 3 phase 4 wires
outdoor unit
indoor unit
power cable
communication cable
communication cable
Earth
outdoor unit
7-1. Overall system configuration (example)
❋
If an outdoor unit is installed in a place in danger of an electric leak or submergence,
you must install the ELB.
DVM TM(chapter5-1)_E<03759 6/14/02 2:31 PM Page 30
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