INVT CHF100A-004G-2, Operation Manual

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CHF100A series high performance universal inverter
.103.
Main inspections Criteria
Items to be
checked
Inspection
content
Frequency Means/methods
heating
3. noise
2. comprehensive
observation
3. listening
2. fan is working in good
condition. Speed and air flow
are normal. No abnormal
heat.
3. No abnormal noise
Motor
1. vibration
2. heat
3. noise
1. comprehensive
observation
2. point
thermometer
3. listening
1. No abnormal vibration and
no abnormal noise.
2. No abnormal heat.
3. No abnormal noise.
Operation
status
parameters
1. power input
voltage
2. inverter
output voltage
3. inverter
output current
4. internal
temperature
1. voltmeter
2. rectifying
voltmeter
3. ammeter
4. point
thermometer
1. satisfying the specification
2. satisfying the specification
3. satisfying the specification
4. temperature rise is lower
than 40
℃
8.2 Periodic Maintenance
Customer should check the drive every 3 months or 6 months according to the actual
environment
8.2.1 Check whether the screws of control terminals are loose. If so, tighten them with
a screwdriver;
8.2.2 Check whether the main circuit terminals are properly connected; whether the
mains cables are over heated;
8.2.3 Check whether the power cables and control cables are damaged, check
especially for any wear on the cable tube;
8.2.4 Check whether the insulating tapes around the cable lugs are stripped;
8.2.5 Clean the dust on PCBs and air ducts with a vacuum cleaner;
8.2.6 For drives that have been stored for a long time, it must be powered on every 2
years. When supplying AC power to the drive, use a voltage regulator to raise the input