Maintenance And Inspection; Periodical Inspection; Overview; Required Tools - INVT Goodrive880 Series Hardware Manual

Goodrive880 Series Inverter Unit Hardware Manual

7 Maintenance and inspection

7.1 Periodical inspection

7.1.1 Overview

Only trained and qualified professionals are allowed to maintain the equipment.
Before operating the interior of the equipment:
Disconnect the power to the equipment.

Wait 25 minutes for the DC circuit capacitor to discharge.

Ensure that the DC bus voltage is lower than 36V.

Note: No switch/breaker installed in the cabinet can disconnect the power to the equipment.

7.1.2 Required tools

These tools are used to remove and install devices, screws, and other components during maintenance and
repair.
A set of torque wrench or sleeve

A set of open end wrench or sleeve

A set of hexagonal wrench

A medium-sized straight screwdriver and a small-sized straight screwdriver

A medium-sized cross screwdriver

Cart

Table 7-1 Screw thread tightening torque (Fastener grade: 4.8; unit: N·m)
Screw thread specification
M5
M6
M8
M10
M12
M16

7.1.3 Maintenance cycle

Little maintenance is required when the inverter unit is installed in an environment that meets requirements.
The following table describes the routine maintenance periods recommended by us.
Maintenance cycle
Once per 6–12 months (based on the site
installation environment)
Once per 6–12 months (based on the site
installation environment)
Once per year (stored without use)
202311 (V1.0)
Copper bar connection
Once per year
Every 6 years
Every 10 years
3
4.5
11
22
39
98
Maintenance work description
Check according to the following table
Heat sink inspection and cleaning
Capacitor aging
Air filter check. Replace it when necessary.
Replace the fans for the filter and power units.
Capacitor replacement
Maintenance and inspection
Metal sheet connection
2
3
8.5
16.4
28.5
71
87