www.stiebel-eltron.com WPL 33 | 9
INSTALLATION
Preparations
9.3.1 Outdoor installation
Provide a recess (space) in the base to enable supply pipes/cables
to be routed into the appliance from below.
Foundations with recess
4
1
2
3
1390
270
50150
800
70
D0000023464
1 Air discharge
2 Air intake
3 Main wind direction
4 Recess
Ensure that the foundations offer an adequate recess.
Example: Routing pipes in the base
A
8
1 2
7
4
5
3
D0000019237
A Depth of frost line
1 Heating circuit flow
2 Heating circuit return
3 Conduit for supply lines/cables
4 Foundation
5 Gravel bed
6 Drainage pipe
7 Condensate drain hose
8 Electrical cables/leads
Observe the following information:
Only use weather-resistant cables.
Protect the heating circuit flow and return lines against frost
with sufficient thermal insulation. Provide thermal insulation
in accordance with applicable regulations.
Also protect all supply lines/cables against humidity, damage
and UV radiation by means of a conduit.
Note
When routing the condensate drain hose, observe chapter
"Installation / Condensate drain".
9.3.2 Indoor installation
1 2 3 54
26_03_01_1466
1 Concrete base
2 Impact sound insulation
3 Floating screed
4 Floor covering
5 Recess
Isolate the mounting surface around the heat pump by a re-
cess. After completing the installation, seal the recess with
a water-impervious and sound insulating material, such as
silicone for example.
Observe the following information:
Connect the heating circuit flow and return lines via flexible
pressure hoses. Suitable pressure hoses are listed in chap-
ter "Appliance description / Required accessories for indoor
installation".
Protect all pipe fixings and wall transitions with anti-vibra-
tion insulation.
Note
For details of the dimensions and positions of the air
intake and discharge apertures, as well as the outlets for
hydraulic lines and power cables, see chapter "Specifica-
tion / Dimensions and connections / indoor installation".
!
Material losses
The floor of the installation room must be water resistant.
During appliance operation, the outdoor air releases up
to 50l of condensate per day. If the condensate drain is
not installed correctly or if maintenance is not carried out
properly, water may escape. We recommend installing a
drain in the floor of the installation room.
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