Vaillant aroSTOR VWL B 270/5 Instrucciones De Instalación Y Mantenimiento página 77

10.2 Observing inspection and maintenance
intervals
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Adhere to the minimum inspection and maintenance in-
tervals.
Annual inspection and maintenance work – Overview
(→ Page 79)
10.3 Draining the product
1. Decommission the product.
2. Disconnect the product from the power grid.
3. Close the stopcock upstream of the safety assembly on
the cold water inlet.
4. Ensure that the waste-water outlet is connected to the
safety assembly.
5. Open the safety assembly valve and check that water
is flowing into the drain.
6. Open the highest domestic hot water draw-off point in
the house to drain the water pipes completely.
7. Once the water has completely drained out, close the
safety assembly valve and the domestic hot water
draw-off point again.
10.4 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.
11 Decommissioning
11.1 Decommissioning the product
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Press the on/off button.
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Disconnect the product from the power mains.
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Drain the product.
11.2 Arranging disposal of refrigerant
Warning.
Risk of damage to the environment
This heat pump contains the refrigerant
R 290. The refrigerant must not be allowed to
escape into the atmosphere.
▶
Refrigerant must only be disposed of by
qualified competent persons.
The competent person who installed the heat pump must
dispose of the refrigerant.
Personnel who are approved for energy recovery must have
the relevant certification that corresponds to the valid regula-
tions.
8000015884_00 Installation and maintenance instructions
▶
In order to recycle the refrigerant, you must collect it in a
suitable vessel prior to disposing of the product.
12 Customer service
For contact details for our customer service department, you
can write to the address that is provided on the back page,
or you can visit www.vaillant.com.
13 Disposing of the packaging
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Dispose of the packaging correctly.
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Observe all relevant regulations.
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