ACD320user manual
Maintenance
Chapter 8 Maintenance
8.1 Routine maintenance
When you use ACD280 series you must assemble and operate it according to demand listed
in this service manualstrictly. During run state, temperature, humidity, vibration and aging parts
may affect it. To avoid this, it is recommended to perform routine inspections.
Period
Daily Periodic
Inspection
item
Table 8-1 Daily inspection items
Inspection content
Criterion
(1)output current
(1)within range of rated value
Run state
(2)output voltage
(2)within range of rated value
parameter
(3)inside temp
(3)temp. increment < 35.
(1)installing ambient
(1)good ventilation, unblocked air-path
Cooling system
(2)local fan
(2)rotate normally without abnormal
noise
(1)heating
Motor
(2)noise
(1)no abnormality
(2)even
(1) vibration, heating
(1)vibration balanced, proper wind temp.
Inverter
(2)noise
(2) without abnormal sound
(3)fixation of lead, terminal (3)fixed screw don’t loose
(1)-10.~+40. 40.~50.used in lower
(1)temperature, humidity
volume or execute compulsory heat
dissipating
Run ambient (2)dust, water and leakage
(2)no water leakage imprint, no
dust
(3)gas
(3)no peculiar smell
Recommend to inspect with following instrument:
Input voltage: electric voltmeter.output voltage: rectifying voltmeter.input output current:
pincers ammeter.
8.2 Inspection and replacement of damageable parts
Some component parts in the inverter will be abraded or bear descending performance for
long-term usage to assure that, the inverter can run stably and reliably, it is recommended to
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