Chapter 8 Inverter Inspection And Maintenance; Inspection And Maintenance; Warning - Chziri ZVF200-M User Manual

Chapter 8 Inverter Inspection and Maintenance

Chapter 8 Inverter Inspection and Maintenance

8.1 Inspection and Maintenance

The following influ ences may lead to latent failure of the inverter such as
Ambient temperature, humidity, dust, vibration, as well as device ageing,
wear and other causes of the inverter itself during long-period operation
on industrial occasions. So it is necessary to perform daily and periodic
inspections and maintenance on the inverter.
8.1.1Daily Inspection Items
Target of
Check Inspection
Inspection
Content Method
Operating Ambient Daily
Thermometer;
ambient temperature
test;
Humidity,
dust, Nose
Inspection
corrosive
Visual
gas, oil mist
Inspection
and etc.
Inverter
Vibration Daily Touch the
Heat housing;
Noise Hearing
check
Motor
Vibration Daily Touch the
Heat
housing;
Noise Hearing
check
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Measuring
Criteria
Instrument
ambient
Thermometer
temperature
between -10 to
Hygrometer
40
no-condensing;
Humidity
between 20 to
90% no dew or
special odo
Stable
vibration
Normal
temperature
No abnormal
noise
Stable
vibration
Normal
temperature
No abnormal
noise
Chapter 8 Inverter Inspection and Maintenance
Target of
Check Inspection
Inspection
Content Method
Electric Daily
Input
Parameter Meter test
voltage
Output
voltage
Output
current
Make sure that only professional technician will per form
maintenance, inspection and parts replacement.
Wait at least 10 minutes after turning OFF the input power
supply befor e performing maintenance or an inspection.
Otherwise, there is the danger of electric shock.
Make sure to open the front panel only after the indicator on
the control keypad turns OFF and verify the charge indicator
at the right side of main loop terminal is OFF after the panel
is opened.
Do use an insulated appliance while performing check and

WARNING

do not operate the equipment with wet hand(s) to avoid
unexpected accidents.
Always keep the equipment clean so that dust and other
foreign matter does not enter the inverter.
Keep electronic equipment away from moisture and oil. Dust,
steel filings and other foreign matter can damage the inverter,
causing unexpected accidents, so do take special care.
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Measuring
Criteria
Instrument
Each electric Moving-
Parameter is iron
within the rated voltmeter;
value.
Rectifier
voltmeter;
Clamp
meter