Completing Inspection And Maintenance; 11 Decommissioning; Temporarily Decommissioning The Product; Permanently Decommissioning The Product - Vaillant aroTHERM VWL 35/5 AS 230V S2 Operating Instructions Manual

10.4.6 Checking the refrigerant circuit
1. Check whether the components and pipelines are free
from dirt and corrosion.
2. Check that the covering caps (1) on the internal main-
tenance connection are positioned securely.
3. Check that the covering cap (2) on the external main-
tenance connection is positioned securely.
4. Check whether the thermal insulation for the refrigerant
pipes is undamaged.
5. Check whether the refrigerant pipes have been routed
without any kinks.
10.4.7 Checking the refrigerant circuit for tightness
Validity: Except Denmark AND Refrigerant volume ≥ 2.4 kg OR Denmark
AND Refrigerant volume ≥ 1.0 kg
1. Ensure that this annual leak-tightness test in the refri-
gerant circuit is carried out in accordance with the or-
dinance (EU) Nr. 517/2014.
2. Check whether the components in the refrigerant cir-
cuit and the refrigerant pipes are free from damage,
corrosion and oil leaks.
3. Check the refrigerant circuit for leak-tightness using a
gas sniffer. In doing so, check all of the components
and pipelines.
4. Document the result of the leak-tightness test in the
service book.
10.4.8 Checking the electrical connections
1. In the connection box, check that the electrical wire are
seated firmly in the plugs or terminals.
2. Check the earthing in the connection box.
3. Check whether the power supply cable is free from
damage. If it needs to be replaced, ensure that it is
only replaced by Vaillant or customer service or a simil-
arly qualified person in order to prevent hazards.
0020257297_07 Installation and maintenance instructions
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10.4.9 Checking the small damping feet for wear
1. Check whether the damping feet are significantly com-
pressed.
2. Check whether the damping feet have significant
cracks.
3. Check whether there is substantial corrosion on the
screwed connection for the damping feet.
4. If required, procure and install new damping feet.
10.5

Completing inspection and maintenance

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Installing the casing sections.
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Switch on the power supply and the product.
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Start up the product.
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Carry out an operational test and a safety test.

11 Decommissioning

11.1

Temporarily decommissioning the product

1. Switch off all of the disconnectors to which the product
is connected in the building.
2. Disconnect the product from the power supply.
11.2

Permanently decommissioning the product

1. Switch off all of the disconnectors to which the product
is connected in the building.
2. Disconnect the product from the power supply.
Caution.
Risk of material damage when extracting
refrigerant.
When extracting refrigerant, there is a risk of
material damage caused by freezing.
▶
Ensure that heating water flows through
the indoor unit's condenser or it is com-
pletely drained when extracting refrigerant
on the secondary side.
3. Extract the refrigerant.
4. Dispose of or recycle the product and its components.

12 Recycling and disposal

12.1 Recycling and disposal
Disposing of the packaging
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Dispose of the packaging correctly.
▶
Observe all relevant regulations.
Validity: Great Britain
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For detailed information refer to www.vaillant.co.uk.
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