Liebert Rack Enclosure With Integrated Liquid Cooling XDK-W - Handbuch (Seite 31)

CoolTherm
Manual / Bedienungsanleitung
CoolTherm 01_998_330_0_k page / Seite 29/83
6. Servicing and maintenance
Servicing and maintenance work is to be performed by
correctly trained personnel only and in accordance with
applicable regulations as well as manufacturers’ specifications!
Only use original spare parts that have been tested and approved
by the manufacturer.
(If necessary, request a comprehensive spare parts list from the
manufacturer)
For cleaning use commercially available cleaning agents only.
Follow the stipulated safety measures and do not use any tools that
may cause scratching or tools for scraping (surface treatment will be
irreversibly damaged!)
Prior
to all servicing work:
- Correctly shut down fans and any other electrical
components and disconnect from the electricity supply!
- Wait until the fan blades have stopped!
- Secure against switch on!
- Shut down water cooling circuit and secure against
switch on.
General inspection on fans (annually)
-
Check for unusual bearing noises. (Check for excessive bearing play)
Replacement of fans (expected service life is approx. 40.000 operating hours
at a temperature of 40°C / 104°F).
1. Remove the housing cover from the unit (with earth cable)
2. Check out which fan is failed, check the surface temperature of the fan e.g. and switch of the
regarding fuse on the front side
3. Disconnect supply cable at the fan terminal block
4. Undo the four fastening bolts for the fan to be replaced.
5. Remove the failed fan.