Hyundai N700E - Maintenance and Inspection; General Precautions and Notes; Inspection Items; Spare Parts

N700E INSTRUCTION MANUAL
4-5
4.3 Maintenance and Inspection
4.3.1 General Precautions and Notes
•Always keep the unit clean so that dust of other foreign matter does not enter the VFD.
•Take special care in regard to loose or broken wires and of making wiring errors.
•Firmly connect terminals and connectors.
•Keep electronic equipment away from moisture and oil. Dust, steel filings and other foreign matter can
damage insulation, causing unexpected failures.
•When removing connectors, never pull by the wires (ie: wires for the cooling fan and logic P.C. board.)
This may cause product failure and/or injury to personnel.
4.3.2 Inspection Items
(1)Daily inspection
(2)Periodic inspection (approximately once a year)
(3)Insulation resistance test (approximately once every two years)
Conduct the insulation resistance test by short circuiting the terminals as shown below.
mega
R S T P N U V W
• NEVER perform the withstand voltage test with wires connected to the VFD.
The VFD has a surge protector between the main circuit terminals and the chassis ground.
4.3.3 Spare Parts
Part description
Symbol
Quantity
Note
Used
Spare
Cooling FAN
FAN
2
2
7.5 HP(HD) ~ 75 HP(HD)
10 HP(ND) ~ 100 HP(ND)
3
3
100 HP(HD) ~ 200 HP(HD)
125HP(ND) ~ 250HP(ND)
4
4
250 HP(HD)~300 HP(HD)
275 HP(ND)~350 HP(ND)
5
5
400 HP(HD)~450HP(HD)
425 HP(ND)~500 HP(ND)
Case
-
1
1
Front case
Main case
Bottom cover
DANGER
•Wait at least five (5) minutes after turning off the input power supply before performing maintenance
or an inspection to prevent a danger of electric shock.
•Make sure a qualified personnel performs the maintenance, inspection, and par replacement.
 Before starting to work, remove any metallic objects such as wrist watch, bracelet, etc.
 Be sure to use tools with insulated handles to prevent electric shock and/or personal injury.