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Vaillant VWZ MWT 150 Installationsanleitung Seite 22

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4.7
Characteristics of the installation surfaces
Carefully read the safety warnings and the instructions in
the operating and installation instructions before selecting
the installation site for the product.
Check whether the wall on which the product is to be
installed has sufficient load-bearing capacity to bear the
weight of the product.
4.8
Removing the front casing
1
Remove the product's front casing (1).
4.9
Wall-mounting the product
Caution.
Risk caused by inadequate fastening.
If the fasteners do not have sufficient load-
bearing capacity, the product may become
detached and fall down.
When installing the product, ensure that
the fasteners have sufficient load-bearing
capacity.
1.
Determine the installation site.
2.
Drill the holes for the fastenings.
22
3.
Secure the retainer for suspension to the wall (1).
4.
Hold the product at the relevant position on the wall,
lightly push the upper section of the product against the
wall and position it above the retainer to mount it.
5.
Slowly move the product downwards and allow it to
click into place in the hanging bracket.
5
Installation
5.1
Carrying out the hydraulics installation
Caution.
Risk of material damage caused by
residues in the pipelines.
Welding remnants, sealing residues, dirt or
other residues in the pipelines may damage
the product.
Flush the heating installation thoroughly
before installing the product.
Caution.
Risk of material damage due to heat trans-
fer during soldering.
Only solder connectors if the connectors
are not yet screwed to the service valves.
Caution.
Risk of material damage caused by corro-
sion
Due to non-diffusion-tight plastic pipes in the
heating installation, air gets into the heating
water. Air in the heating water causes corro-
sion in the heating circuit and in the product.
If you use non-diffusion-tight plastic pipes
in the heating installation, ensure that no
air gets into the heating circuit.
Installation instructions 0020166669_06
1

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0020143800