Specifications

VFD‐G7SeriesFrequencyInverterOperationManualChapter2SpecificationsandSelection

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Criteria:Checkifthereiscrackonfanvanesandotherparts.Whentheinverterisswitched

on,checkifthereisanyabnormalvibration.

2.FilteringElectrolyticcapacitors

Possible cause of damages: the quality of input power is bad, the ambient temperature is

high,frequentloadingjumpandagingof

electrolyte.

Criteria: Check if there is any leakage of liquids. Check if the safety valve protrudes.

Measurementofstaticcapacitanceandinsulationresistance.

2.8.4 Storage

Afterbuyingthe inverter,whenstore fortemporarily andlong‐term,the following notesis

important:

1)Asfaraspossiblestoreintotheoriginalpackaging.

2)Long‐termstoragewillcausethedeteriorationofelectrolyticcapacitors.Therefore,the

invertermustbepoweredwithin2years,andtheconductiontimeis

atleastfor5hours.

Theinputvoltagemustbeboostedgraduallytotheratedvaluebythevoltageregulator.

2.8.5 Warranty Instructions

Ourcompanywouldoffertheaftersalesif thefollowingconditionsoccurtothefrequency

inverter:

1)Freewarrantyisonlyconfinedtothefrequencyinverteritself;

2) Under normal use condition, if there is any faults or damages, our company will take

the responsibility of 12 months defects liability

period for under the normal operation

conditions(fromthemanufacturingdeliverydayon,andsubjecttothemachinebarcode).

After12months,reasonablemaintenancewillbecharged;

3). Even within 12 months, maintenance fee would be charged under the following

conditions:

① Damages incurred to the inverter due to incorrect operation,

 which are not in

compliancewith“UserManual”;

②Damagesincurredtotheinverterduetofire,flood,abnormalvoltageandsoon;