HIU2-IM-DE-W-DE-08-2018-Rev1_DE-enUS | Art. No. 10078860
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ENGLISH
7.3 Cleaning the dirt trap
1. Depressurize the HIU 2 (e.g. by opening the vent valve).
2. Unscrew and remove the dirt trap and clean it.
3. Replace the filter into the dirt trap after cleaning.
4. Slowly open the stop valves and vent the system.
7.4 Replacing the plate heat exchanger
1. Close all stop valves.
2. Depressurize the HIU 2 (e.g. by opening the vent valve).
3. Loosen the nuts (pos. A) and remove the plate heat
exchanger.
A
A
4. Replace all seals.
5. Insert the new plate heat exchanger and tighten the nuts
(pos. A). (Refer to the “Technical data” chapter for the
torque).
6. Slowly open the stop valves.
7. Slowly pressurize the HIU 2, fill and vent it.
