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Vaillant VWZ MWT 150 Installationsanleitung Seite 26

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6.5
Installing the front casing
1
Install the product's front casing (1).
6.6
Handing the product over to the end user
Once the installation is complete, answer any questions
that the end user may have.
Draw attention to the safety warnings that the end user
must always follow.
7
Troubleshooting
7.1
Procuring spare parts
The original components of the product were also certified
by the manufacturer as part of the declaration of conformity.
If you use other, non-certified or unauthorised parts during
maintenance or repair work, this may result in the product no
longer meeting the applicable standards, thereby voiding the
conformity of the product.
We strongly recommend that you use original spare parts
from the manufacturer as this guarantees fault-free and safe
operation of the product. To receive information about the
available original spare parts, contact the contact address
provided on the back page of these instructions.
If you require spare parts for maintenance or repair
work, use only the spare parts that are permitted for the
product.
26
7.2
Draining the heat pump circuit
Note
Avoid any risk of water spraying on electrical com-
ponents.
A
1.
Connect the draining hose to the draining cock (C).
2.
Route the other end of the hose into a vessel in order
to catch the glycol-water mixture.
3.
Open the filling tap (B).
4.
Open the purging valve for the heat pump circuit.
7.3
Checking leak-tightness
Check whether the hydraulic circuits are leak-tight.
7.4
Checking the electrical installation
Check the electrical installation while taking into consid-
eration all of the applicable regulations.
7.5
Checking the cable
If the power supply cable for this product is damaged, to
avoid any danger, only the manufacturer, customer service
or a similarly qualified person should replace the power sup-
ply cable.
8
Permanently decommissioning
Switch off the product.
Disconnect the product from the power supply.
Drain the heat pump circuit. (→ Section 7.2)
Remove the product.
Dispose of or recycle the product and its components in
accordance with the regulations.
Installation instructions 0020166669_06
B
C

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Diese Anleitung auch für:

0020143800