Instructions / Assembly

A2
Inverter (0.75-30kW)
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0.2 Periodic maintenance
The Inverter needs periodic maintenance every 1 or 3 months which
depends on the runtime environment.
Notice: Machine maintenance or component replacement must
be performed by professionals. If any metal objects such screws
or washer are left inside the machine, it would cause fatal
damage to the inverter！
Check items：
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、
Whether the control port screws are loose or not;
、
Whether the main loop port is loose or not. Or is there
any sign of overheating in the line of the main loop;
、 Is there any trauma in the power and control cable?
Especially, check the robber skin in the contact with other metal;
、 Is the insulation bandage of the power cable loose;
、
Use vacuum cleaner to clean the dust on board and
ventilation channel;
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、 If the motor needs examination, please disconnect the
motor wire from inverter’s U,V,W port. Otherwise, it may
cause fatal damage to the inverter.
Notice: Inverter has already passed the pressure test. Any
the improper test may cause fatal damage to the inverter!
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0.3 Replace the wearing parts
The wearing parts contain a cooling fan and filter electrolytic
capacitor whose lifetime depends on environment and load. When
the temperature is 25℃, the lifetime of th e cooling fan is
20~40Kh and that of the capacitor is 30~50Kh. Users can decide
when to replace these components.
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Cooling fan
Cause of damage: wear bearing, aging fan, heavy dust
environment.
Criterion: rip in fans, abnormal vibration during
runtime.
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