6.4 General
Storage temperature: The cooling units must not be subjected to temperature above +70ºC during
storage. Transport attitude: The cooling units must always be transported upright. Waste
disposal: The closed cooling circuit contains coolant and oil which must be correctly disposed of for
the protection of the environment. The disposal can be carried out at Rittal-Werk. Technical
modifications reserved.
7. Maintenance
As a maintenance-free, hermetically sealed system, the cooling circuit has been filled in the factory
with the required amount of coolant, and tested for leaks and subjected to a function trial run. The
installed maintenance-free fans use bull bearings, they are protected against moisture and dust, and
are fitted with a temperature monitor. The life expectancy is at least 30,000 operating hours. The
cooling unit is thus largely maintenance-free.
All that may be required from time to time is that the components of the external air circuit are
cleaned by compressed air. The use of a filter mat is recommended only if large particles of lint are
present in the air, so that blockage of the condenser is prevented.
(Filter mat replacement, fig. 5.3)
Caution: Prior to any maintenance work, the power to the cooling unit must be disconnected.
8. Scope of Supply and Guarantee
1 cooling unit, ready for connection
1 sealing gasket
1 eyebolt M12
1 angled hose fitting
1 backflow preventer
6 setscrews M6x30
6 washers A8.4
6 nuts M6
1 drilling template
1 set of mounting and operating instructions
1 3-pole plug (SK 3296100/3272100/3280100)
1 5-pole plug (SK3290500)
Guarantee:
This unit is covered by a 1-year guaranteed from the date of supply, subject to correct usage. Within
this period, the returned unit will be repaired in the factory or replaced free of charge.
The cooling unit is to be used for the cooling of enclosures only. If it is connected or handled
improperly the manufacturer's guarantee does not apply and in this case we are not liable for any
damage caused.
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