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Step 3: Evacuation
Connect the vacuum pump on the maintenance valve (with
Schrader).
Run the vacuum pump until the relevant vacuum is
reached. An absolute pressure of at least 0.2 mbar must be
achieved during evacuation. Pressures below 0.2 mbar are
advisable, however.
Close the vacuum pump and start filling immediately.
Step 4: Filling
Once the leakage tightness test and evacuation have been car-
ried out correctly, open the maintenance valves on the indoor
unit. For refrigerant lines > 7.0 m, top up the refrigerant accord-
ingly.
The heat pump is now ready for use.
20
DOK4x HOIAO FxDEN · FD 0001
Air-to-water heat pump M Flex
www.glendimplex.de
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