Daily Cleaning - Toshiba TOSVERT VF-AS3 Instruction Manual

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 tempera-
ture
Vibration and
noise
Output current
*1
Output voltage
Ambient tem-
perature (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.