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Installation Manual
Ingecon® Sun Three-Phase Inverter
6. Preventive Maintenance
Recommended Preventive Maintenance Tasks will be done ONCE A YEAR.
All Maintenance Procedures should be should only be carried out by suitable
qualified personnel. There is a serious electrical discharge hazard.
The set of conditions detailed in Chapter1 should be considered to acess to
compartment enclosures.
All Maintenance Checks and Procedures should be done with the INVERTER
WITHOUT VOLTAGE following all manipulation safety conditions.
6.1
Maintenance Procedures.
Check enclosure state.
It is necessary a visual checking to verify the state of enclosures, doors and handles,
IP54 door seals, and the anchorage of the inverter to their screws both top screw and
bottom screw if available. It´s also necessary to check if there are dents, scratchs and
rust that will damage the cabinet IP protection. If this type of defects appear, damaged
pieces should be replaced.
Check cables and terminals state.
- Check the correct lay-out of the cablesavoiding the contact with live parts.
- Check defects in isolations and hot points, verifying isolation and terminal colors.
State of the tighten of screws of plates and cables of power
Proceed to review the tighten of screws aplying the strength according to the following
table:
M8
M10
M12
According to DIN 13.
Check visually that the conection platesof AC output maintain security distance and
their original electrical properties.
Check humidity inside the cabinet.
If there is humidity, it is compulsory drying it until connecting.
Check the correct anchorage of the components of the cabinet to their screws.
Ref.: AAS2000IKI02
Rev.:_
Dec-2009
24 Nm
47 Nm
64 Nm
Pg. 23 de 40
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