5.2 Storage and preservation
5.2.1 Selecting the storage location
Ensure that the storage space fulfils the following conditions: dry, frost-free, vi-
bration-free.
Covering with plastic sheets is recommended only if it prevents condensation from
being formed. Lift plastic sheets from time to time for monitoring.
Recommendation: Protect from direct sunlight.
Direct sunlight can lead to changes in colour and premature ageing of the plastic
parts.
5.2.2 Preparing for preservation
1.
Bring unit to operating temperature.
2.
Operate unit for 10 minutes once the required operating pressure is reached.
3.
Check all pipes, filters and valves (including safety valves) for leaks.
4.
Open the outlet cock and run the unit at the set minimum pressure for 5 mi-
nutes.
5.
Stop the unit.
6.
Drain the condensate from the intermediate separators and the final separa-
tor.
Ä
The pressure goes down to 0 bar.
7.
Close the filling cocks and outlet cock.
8.
Open the fittings on the intermediate separators and lubricate the thread.
9.
Tighten all the fittings on the unit.
10.
For unit with filter system: Keep the cartridge in the cartridge filter in order to
absorb the penetrating moisture.
11.
Let the unit cool down.
Ä
The unit is prepared for preservation.
OPERATING MANUAL Transport and storage | 5
28.08.2019
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