Panasonic AMK3000P22 Installation Manual page 32

Location Inspection item Inspection details
Operation
Check
Whole unit
Capacitor
Cooling fan
Display unit
Meter
Whole unit
31
Inspection
interval
1) Check the
balance condition
of the output
voltage between
each phase during
operation of single
unit;
2) Inspect the
protection and
display circuit with
timing protection
operation test.
1) Check if there is
burning smell and
discoloration.
2) Check if there is
heavy rustling.
Check for liquid
leakage and
☆
deformation.
☆
1) Check for
abnormal vibration
and noise;
2) Check if
connected parts
are loose.
Check if the
indicator
☆
malfunctions.
Check if the
indication is
☆
correct.
1) Check for
☆
abnormal vibration
and noise;
☆
2) Check if there is
burning smell.
Inspection
method
1) Measure the
○
voltage between
output terminals
2) Simulate a
short circuit
condition
between the
inverter alarm
○
outputs.
1), 2): Smell
○
and
○
check visually.
Check visually. In normal state
1) Just listen; 2)
Strengthen the
fasteners.
○
Check visually. In normal state
Check the
indication.
Check visually,
listen and smell
Judgment criteria Instrument
1) Line output
balance is 4V max.
(400V type is 8V
max.)
2) Timing protection
Rectifier
circuit must function
properly. voltmeter
1), 2): In normal state
1), 2): In normal state
Voltmeter
Within specifications
or control values.
Ammeter
1), 2): In normal state