Technibel DKR5555C, Технические данные и руководство по обслуживанию

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7
-2. Air conditioner does not operate.
7
-2-1. Circuit breaker trips (or fuse blows).
A. When the circuit breaker is set to ON, it is tripped soon. (Resetting is not possible.)
●
There is a possibility of ground fault.
●
Check insulation resistance.
If resistance value is 1M
Ω
or less, insulation is defective (“NO”).
B. Circuit breaker trips in several minutes after turning the air conditioner on.
●
There is a possibility of short circuit.
Measure insulation
resistance of electrical
parts in outdoor unit.
NO
NO
Set circuit breaker to OFF.
*
Measure insulation
resistance of electrical
parts in indoor unit.
1 Remove both power supply wires
and inter-unit wires from terminal
plate in outdoor unit.
Measure insulation resistance
of outdoor unit.
•
2 Remove inter-unit wires from
terminal plate in indoor unit.
Measure insulation resistance
of indoor unit.
•
•
•
Insulation of
outdoor unit
is defective.
Insulation of
indoor unit
is defective.
Check capacity of circuit breaker.
Capacity of circuit breaker is
suitable.
Replace with suitable
one (larger capacity).
•
Measure resistance of compressor
motor winding. (CM1, CM2) •
Measure resistance of outdoor fan
motor winding. (FM) •
NO