ABB ACH550 Bedienungsanleitung Seite 371

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Diagnostics and maintenance 367
ACH550 User's Manual
Maintenance intervals
Warning! Read the safety instructions in section “Contents of
this manual” before performing any maintenance on the
equipment. Ignoring the safety instructions can cause injury or
death.
If installed in an appropriate environment, the drive requires very
little maintenance. The table lists the routine maintenance
intervals recommended by ABB.
Maintenance Interval Instruction
Heatsink
temperature check
and cleaning
Depends on the
dustiness of the
environment (6...12
months)
See “Heatsink” .
Main cooling fan
replacement
Every five years See “Main fan
replacement” .
Internal enclosure
cooling fan
replacement (IP 54
units)
Every three years See “Internal
enclosure fan
replacement” .
Capacitor change
(frame size R5 and
R6)
Every ten years See “Capacitors” .
HVAC Control
panel battery
change.
Every ten years. See "Control
panel".
00Template.book Page 367 Friday, January 2, 2004 2:55 PM
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