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CoolTherm
Manual / Bedienungsanleitung
CoolTherm 01_998_330_0_k page / Seite 5/83
During all work on and with the unit, observe:
• The related applicable regulations (e. g. VDE regulations or
other applicable national regulations)
• The applicable accident prevention instructions (BGV)
• The applicable rules
• The applicable laws on the protection of the environment
Only operate the unit if it is in correct working condition. On the
occurrence of malfunctions or faults, you must shut down the unit
immediately and inform the responsible member of staff
in the operating organisation.
You are only allowed to use the unit again after its correct function has been re-
established.
Caution hot surface
Faulty fans, power supplies, control circuit boards can run hot.
Prior to starting work, let these cool down.
2. Operating conditions
Correct use
The unit is a server cabinet cooling device and is only used for the
removal of heat from server cabinets to protect temperature
sensitive components. The cooling system in the cabinet is thermally
independent of the room air. Total heat load of the installed equipment is
taken out of the room using the chilled water circuit. Note: Under special conditions a very
small amount can dissipate to the room (approx. 05, kW)
For reliable function of the CoolTherm, chilled water
must be available in the correct amount, and at the correct
temperature and pressure. Observe water quality as per
VGB-R 455 P. (see Appendix)
Ambient temperature: 10°C / 50°F to 35°C / 95°F
(other temperatures upon request)
Temperatures on use of RMS with
temperature-dependent alarm:
20°C / 68°F to 25°C / 77°F
Absolute humidity in the installation location: 8 g H
2
O/ kg air maximum
Water temperature, feed: 12°C / 53°F
(other temperatures upon request)
Water temperature, return: 18°C / 64.4°F
(other temperatures upon request)