www.stiebel-eltron.com WPL basic | WPL S basic | 7
INSTALLATION
Preparations
9.1.2 Sound emissions for internal installation
Never install the appliance directly below or next to living rooms
or bedrooms.
Never install on joists.
Isolate the installation surface. See chapter “Preparing the
installation site for internal installation”.
Connect the heating flow and return using flexible pres-
sure hoses. Suitable pressure hoses can be found in chapter
“Accessories”.
Insulate all pipe fixings and wall outlets against structure-
borne noise transmission.
Never direct the air intake and discharge apertures in exter-
nal walls towards neighbouring windows or living rooms/
bedrooms.
9.2 Minimum clearances
9.2.1 External installation
≥500 ≥500≥500
≥1000
≥700
D0000019239
≥500
≥1000
≥500
≥500
≥700
D0000019241
91�00�00�0036
Do not install the appliance in a recess. Two sides of the ap-
pliance must remain exposed.
Maintain the minimum clearances to ensure trouble-free op-
eration of the appliance and facilitate maintenance work.
In order to prevent air “short circuits”, maintain the mini-
mum clearances in the case of surrounding structures and
in particular in the case of cascades. Maintain the flow rate
on the heat source side (see chapter “Specification / data
table“).
!
Damage to the appliance and environment
Please note that the outdoor air must be able to flow
unimpeded into the appliance, and the exhaust air must
be able to be expelled without obstruction.
If the air intake and discharge of the appliance are ob-
structed by surrounding objects, this may cause a thermal
short-circuit.
Ensure that the appliance is not surrounded by any objects
such as buildings, walls or fences.
If necessary, maintain a greater clearance to the surrounding
objects.
!
Damage to the appliance and environment
The air flow rate through the appliance must not fall
below the minimum level. If the air flow rate falls below
the minimum level, trouble-free operation of the appli-
ance is not guaranteed.
Ensure that the minimum air flow rate is maintained. Ob-
serve the details in chapter “Specification / Data table”.
If necessary, maintain a greater clearance to the surrounding
objects.
If the air discharge side of the appliance faces a wall of the house,
condensate may form on this wall from the cool air at the air
discharge.
Note
If the air discharge side faces house walls, maintain a
minimum clearance of 2m between the appliance and
the building.
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