Technibel Climatisation CAV92MR5TA, Технические данные и руководство по обслуживанию

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5
-2. Air conditioner does not operate.
5
-2-1. Circuit breaker trips (or fuse blows).
A. When the circuit breaker is set to ON, it trips
immediately
. (Resetting is not possible.)
●
There is a possibility of ground fault.
●
Check insulation resistance.
If resistance value is 2M
Ω
or less, insulation is defective (“NO”).
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.
WARNING
5
-1-2. Check inter-unit wiring.
●
Check that inter-unit wiring is correctly connected
5
-1-3. Check power supply.
●
Check that voltage is in specified range (±10% of the rating).
●
Check that power is being supplied.
in indoor and outdoor units.
●
Check that coating of lead wires is not damaged.
●
Check that lead wires and connectors are firmly connected.
●
Check that wiring is correct.
to the indoor unit from the outdoor unit.
5
-1-4. Check lead wires and connectors
5
. TROUBLESHOOTING
5
-1. Check before and after troubleshooting
●
to terminals
No.1 and No.2 on the 3P terminal plate
in the outdoor
unit.
WARNING
Hazardous voltage can cause ELECTRIC SHOCK or
DEATH. Disconnect power or turn off circuit breaker
before you start checking or servicing.
Check that power supply wires are correctly connected
5
-1-1. Check power supply wiring.
16