110 Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022
Planning
5
5.2.3.1 installation conditions for mono-bloc units
The installation conditions for mono-bloc units are as follows:
● The mono-bloc units are designed for outdoor installation only and must not be
installed indoors.
● For condensed water drainage in defrost mode, drainage is recommended via a
drain
pipe to the frost-free ground with gravel ll (
→
5.2.3.3 Securing the mono-bloc unit, p. 111
).
● Maintain the minimum distances (→ 5.2.3.2 Minimum distances (mono-bloc units),
S. 110).
● The heat emission of the mono-bloc unit must not be impeded by additional protection
devices such as awnings or such.
● No objects should be put up that can cause short-circuiting of the exhaust air. Even
when using multiple mono-bloc units (e.g. in case of heat pump cascades), avoid air
ow short-circuiting
(
→
5.2.3.3 Securing the mono-bloc unit, p. 111).
● The operating noise of the outdoor unit must not cause any nuisance to the user or to
neighbours. In certain countries or regions, the installation of air-to-water heat pumps
may in certain countries or regions require permission. All provisions regarding noise
valid at the location must be taken into account (→ 5.2.1 Acoustics, p. 97).
● Additional anti-vibration dampers can be used for enhanced noise isolation.
● Installing a mono-bloc unit near to the sea, in regions with a high content of sulphur or
at sites where large quantities of oil (e.g. machine oil, etc.) are present, may shorten
its operating lifecycle.
● In the case of installation locations experiencing strong winds e.g. on building rooftops
or between buildings, the mono-bloc unit must be additionally secured by eld-
supplied means to prevent tipping over (e.g. by bracing).
5.2.3.2 Minimum distances for mono-bloc units
Minimum distance of the mono-bloc unit to the neighbouring walls and objects with
representation of the air ow direction
2
1
2
3
1 Minimum distance: 100 mm
2 Minimum distance: 300 mm
3 Minimum distance: 1,000 mm
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