DeDietrich AWHP 6 MR Installation And Service Manual page 21

AWHP MIT-IN iSystem
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24/09/2012 - 300027606-001-01
In some cases, additional precautions are necessary owing to the
fact, for example, of too short a distance between you and your
neighbours.
When installing a noise reduction screen, respect the following
recommendations:
4 Locate the noise reduction screen as close as possible to the noise
source whilst allowing for the free circulation of air in the
exchanger on the outside unit and maintenance work.
Place the outside unit on a base (concrete base frame, sill,
concrete blocks, etc.) with no rigid connection with the building
served in order to prevent any transmission of vibrations. Ensure
sufficient above ground elevation (100 to 150 mm) to keep it above
water.
For regions where heavy snowfalls occur, raise this above ground
protection by at least 200 mm compared with the average depth of
the covering of snow.
n Distances to be observed
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CAUTION
If the outside temperatures become negative, take the
necessary precautions to prevent the risk of freezing in the
evacuation pipes.
Prevent any risk of the condensates freezing in an area
through which they flow.
The heating cord keeps the condensates from freezing:
See EH113 leaflet.
WARNING
To ensure that the heat pump functions correctly, respect
the minimum and maximum connection lengths between
the heat pump and the indoor module.
Outside module
Indoor module
Minimum length 5 m
Maximum length: 50 m for AWHP 6-8 MR,
75 m for AWHP 11-14-16 MR/TR,
20 m for AWHP 22-27 TR.
Max height difference 30 m
Max number of elbows: 15
Respect the minimum curve radii of 100 to 150 mm
4. Installation
20