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5.1
4 Installation
4.1 Installation location
Installation location criteria:
The domestic hot water heat pump must be installed in a dry
and frost-free room.
Furthermore, installation and air intake is not permitted in
rooms with air which is potentially explosive because of
gases, vapours or dust.
In order to prevent damage to interior walls caused by damp,
good thermal insulation between the room into which the
exhaust air is released and the neighbouring rooms is
recommended.
Condensate drainage (with a siphon) must be provided.
Drawn-in air must not be excessively contaminated or
contain large amounts of dust.
The load-bearing capacity of the foundation must be
sufficient (the weight of the filled domestic hot water heat
pump is approx. 450 kg!).
To ensure smooth operation and to facilitate repair and
maintenance work, there should be a minimum clearance of
0.6 m on all sides of the device, as well as a minimum room
height of approx. 2.50 m for operation without air ducts/hoses or
bends (
Î
"free venting") when the domestic hot water heat
pump is installed (see illustration). The domestic hot water heat
pump can optionally be connected using insulated NW 160 air
ducts, which must not exceed a total length of 10 m.
To ensure effective operation in rooms with low ceilings and
when air ducts are not used, an air circuit bend (90° NW 160)
with sleeve (DN 160) must be installed on the extract air side in
rooms. If the air circuit bend is used, place it onto the spigot or in
the sleeve (nominal width DN 160) of the outlet side so that the
outlet opening of the air circuit bend is as far away from the unit's
air intake opening as possible. Also observe the minimum
clearances shown in the illustration. The intake and outlet stubs
are labelled.
4.2 Installation
Remove the three M12 transport restraint screws fixing the
device to the pallet from the bottom of the unit.
Remove the pallet and mount the three M12 supporting feet
(in the plastic bag attached to the nipple of the cylinder pipe).
Position the domestic hot water heat pump and align
vertically by adjusting the device feet! Then tighten the
counternuts on the device feet.
5 Mounting
5.1 Connecting the water pipes
The water connections (see "Maßbild / Dimension drawing /
Schéma coté" on page A II.) are located at the rear of the unit.
NOTE
Circulation pipe
For energy efficiency reasons, a circulation pipe should not be
used if this can be avoided. If a circulation pipe is installed in the
domestic hot water distribution system, a valve or a similar
device must be provided as a shut-off facility in order to avoid
unnecessary energy losses. Circulation is enabled according to
use (time or requirement control).
The nominal pipe widths for the on-site installation must be
determined by taking into account the available water pressure
and any pressure drops expected to occur in the pipework.
Water pipes must be installed according to DIN 1988 (see
Appendix – for example, a pressure reducing valve must be used
if water pipe pressure is impermissibly high); also observe local
regulations for domestic water installations!
Both rigid and flexible water pipes may be used. Observe the
corrosion behaviour of the pipework materials used in order to
avoid corrosion damage (see section
"
).
NOTE
Domestic hot water, cold water and circulation connections:
These pipe nipples contain plastic inserts, the purpose of which is to
protect against corrosion (in particular to the pipe nipple flange
surfaces). These plastic inserts remain in their positions after the water
pipes have been installed.
ATTENTION!
When installing the on-site pipework, ensure that the pipes are not
contaminated (flush pipes before connecting the domestic hot water heat
pump if necessary)!
*
Minimum clearance between the outlet opening of the air circuit bend and the
wall is 1.2 m
Minimum room height for “free venting” is approx. 2.6 m
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Summary of Contents for BWP 30 HS
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