What This Chapter Contains; Safety Instructions; Maintenance Intervals - ABB ACQ800 Series Hardware Manual

ACQ800-37 Hardware Manual
Maintenance

What this chapter contains

This chapter contains preventive maintenance instructions.

Safety instructions

Only a qualified electrician is allowed to perform the maintenance.
Before starting work inside the cabinet,
• isolate the drive from the power supply (note that any switch-disconnector
installed in the drive does not switch off the voltage from the input terminals)
• wait for 5 minutes to let the intermediate circuit capacitors discharge
• open the cabinet doors
• ensure there is no dangerous voltage present by measuring the voltage of the
input terminals and the intermediate circuit terminals.

Maintenance intervals

If installed in an appropriate environment, the drive requires very little maintenance.
This table lists the routine maintenance intervals recommended by ABB.
Interval
Every year of storage
Every 6 to 12 months (depending
on dustiness of environment)
Every year (IP22 and IP42 units)
Every year (IP54 units)
Every 3 years (Frame R8i units)
Every 6 years
Every 9 years
Maintenance action
Capacitor reforming
Heatsink temperature
check and cleaning
Air filter check;
replacement if necessary
Air filter replacement
Quick connector check
and cleaning
Cabinet cooling fan
replacement
Power module cooling fan
replacement
LCL filter cooling fan
replacement
Capacitor replacement
Instruction
See Converter module capacitor reforming
instructions (Code: 3BFE 64059629 [English]) and
Capacitors.
See Heatsinks.
See Checking and replacing the air
See Quick connectors (Frame
See Cooling fans.
See Cooling fans.
See Cooling fans.
See Capacitors.
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filters.
R8i).
Maintenance