Toshiba TOSVERT VF-AS3 Instruction Manual page 610

Item to be inspected
daily
Indoor environment
Inverter unit and parts
Peripheral devices
Operation data
(output side)
9
*1 The voltage value may vary depending on the measurement device used. Therefore, be sure to use the same voltmeter for inspection, and
record the indicated values.
14. 1. 2
To clean the inverter, use a soft cloth to slightly wipe off the dirt or stains on the inverter surface.
If the dirt or stains persist, slightly wipe it off with a cloth dampened with neutral detergent or ethanol.
14
Important
14. Maintenance and inspection
Inspection procedure
Inspection item
Dust
Gas
Liquid drops
such as water
Room
temperature
Vibration and
noise
Output current
*1
Output voltage
Ambient
temperature (at
startup, during
run, and at stop)
Daily cleaning
• Do not use the following chemicals and solvents. Failure to do so results in damaged inverter
molded parts (unit, plastic covers, etc.) or peeled coating.
• Acetone
• Benzen
• Chloroform
• Ethylene chloride
• Ethyl acetate
• Glycerin
• Tetrachloroethane
• Trichloroethylene
• Xylene
Cycle Check method
As
Visual check
required
As
Smell check
required
As
Visual check
required
As
Thermometer
required
As Tactile check on the
required unit outer surface
As Moving-iron type AC
required Ammeter
As Rectifier type AC
required voltmeter
As
Thermometer
required
14-2
E6582062
Criteria and action
Eliminate any problems if any.
Check for any trace of liquid.
Inverter ambient temperature:
60°C or less
(Operation panel: 50°C or
less)
• If any abnormalities are
found in the inverter unit,
check the cooling fans, etc.
• Check the peripheral
devices (transformers,
reactors, magnetic
contactors, thermal relays,
etc.) for abnormality. Stop
operation as required.
• To be within the rating
• No large difference is to be
found compared to the data
for normal operation.