Sungrow SG2500HV-30, Системное руководство

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92
M Ma aiin ntte en na an nc ce e ((o on nc ce e e evve erryy yye ea arr))
C Ch he ec ckk iitte em m C Ch he ec ckk m me etth ho od d
Cabinet exterior
Check the following items and make corrections if
necessary:
•
Check whether there are flammable materials on
the top of or around the inverter.
•
Check whether the inverter and the steel plate are
firmly welded, and whether there is any corrosion.
•
Check whether any mechanical damage, painting
damage, oxidation, or the like occurs on the
enclosure of the inverter.
•
Check whether the monitoring window and the
doors close and open flexibly.
•
Check whether the sealing strip is firmly in place.
Cabinet interior
Check whether there is any dust, foreign objects, dirt, or
condensation inside the cabinet.
Air inlet/outlet
Check whether the air inlet filters and ventilation ducts
of the inverter and its internal devices are normal, and
clean or replace the filters if necessary.
Cable connection and
routing
Check the inverter when the internal devices are
completely voltage-free! Make corresponding
corrections once any anomaly is founded.
•
Check whether all cables and wires are properly
routed and without short circuit. Make corrections if
case of any anomaly.
•
Check whether all cable entries are sealed properly.
•
Check whether there is water leakage inside the
inverter.
•
Check whether the power cable is firmly connected.
If necessary, refasten the cable with the torque
specified in this manual.
•
Check whether the power cable and control cable
are damaged, especially if the surface contacting
the metal is cut.
•
Check if the insulation tape on the power cable
terminal is damaged or invalid.
12 Routine Maintenance System Manual