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4
Set-Up
4.1 Installation Location
Installation location criteria:
The hot-water heat pump must be installed in a frost-free
and dry room. The room temperature / air sucked in by the
hot-water heat pump should be within a temperature range
of 15 °C to 35 °C (required for heat pump operation).
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
dampness, it is recommended to provide good thermal insu-
lation between the room into which the exhaust air is re-
leased and the neighbouring rooms.
Condensate drainage (with a siphon) must be provided.
The air sucked in must not be excessively contaminated or
contain large amounts of dust.
The load-bearing capacity of the foundation must be suffi-
cient (weight of the filled hot-water heat pump approx.
410 kg!).
To ensure smooth operation and facilitate repair and mainte-
nance 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
venting") when the hot-water heat pump is installed (see illustra-
tion). Hot-water heat pump connection is (optionally) performed
with insulated ductwork of the NW 160, which must not exceed a
total length of 10 m.
To ensure effective operation, an air circuit bend (90° NW 160)
must be installed on the blow-out side in rooms with lower ceil-
ings and without ductwork. If the air circuit bend is used, place it
onto the spigot (nominal width DN 160) of the outlet side so that
the exhaust air outlet of the air circuit bend is as far away from
the unit's intake opening as possible. Also observe the minimum
clearances as shown in the illustration. The hot-water heat pump
air connection stubs ("intake stub" and "outlet stub") are labelled
with stickers.
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*
Minimum clearance between the exhaust air outlet in the air circuit bend and
the wall is 1.2 m
Minimum room height for "free venting" is approx. 2.5 m
4.2 Set-Up
Remove the three M12 transport restraint screws fixing the
(
"free
unit to the pallet.
Remove pallet and install the three M12 supporting feet (in
plastic bag attached to the cylinder barrel nipple).
Position the hot-water heat pump and align vertically by ad-
justing the device feet! Then tighten the counternuts on the
device feet.
5
Installation
5.1 Connecting the Water Pipes
The nominal pipe widths for the on-site sanitary installation must
be determined by taking into account the available water pres-
sure and any pressure drops expected to occur in the pipework.
Water installations must be executed 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 are possible. Observe corro-
sion behaviour of the pipework materials to prevent damage
caused by corrosion (see Section: Start-Up).
NOTE
Hot water, cold water and circulation connections:
These pipe nipples contain plastic inserts which serve 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 the pipes do not get
contaminated (flush pipes before connecting hot-water heat pump)!
5.1
EN-5
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