Bedienungsanleitung Vaillant aroTHERM VWL 55-2 (Seite 4 von 52) (Englisch)

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1 Safety

4 Installation instructions aroTHERM 0020147164_04

1.3.7 Risk of material damage caused by

using an unsuitable tool

▶ Use the correct tool to tighten or loosen

screw connections.

1.3.8 Avoid environmental damage

caused by escaping coolant

The heat pump contains R410A coolant.

The coolant must not be allowed to escape

into the atmosphere. R410A is a fluorinated

greenhouse gas covered by the Kyoto Pro-

tocol, with a GWP of 1725 (GWP = Global

Warming Potential). If it escapes into the at-

mosphere, its impact is 1725 times stronger

than the natural greenhouse gas CO

Before the heat pump is disposed of, the

coolant it contains must be completely

drained into a suitable vessel so that it

can then be recycled or disposed of in

accordance with the regulations.

▶ Ensure that only officially certified com-

petent persons with appropriate protective

equipment carry out maintenance work on

the coolant circuit or access it.

▶ Arrange for the coolant contained in the

product to be recycled or disposed of by

accredited specialists in accordance with

regulations.

▶ Only use coolant R410A.

▶ Only use a suitable R410A tool for the

filling, pressure measurement, vacuum

generation and discharge.

▶ Solder the lines using shielding gas. Check

the lines for leak-tightness using nitrogen.

▶ In the event of a repair or maintenance

work, fill the coolant circuit with liquid

coolant.

▶ If the coolant circuit is not leak-tight, check

which component must be repaired or re-

placed.

▶ Lower the negative pressure in the coolant

circuit to max. 10 mbar (1000 Pa).

▶ When filling the coolant circuit, observe the

values in the "Technical data" section.

1.4 Regulations (directives, laws,

standards)

As part of the installation, commissioning and

operation of the heat pump and the DHW

storage you must take into account the cur-

rent versions of the following regulations or

standards, along with any local directives or

guidelines that may apply.

– Electricity at work act.

– Health and safety at work act.

– Relevant Utility supplier’s regulations.

– Water regulations and by-laws.

– Environment agency and local council re-

quirements regarding bore holes, water

courses, or noise levels.

– Gas safety installation and use regulations

concerning any associated gas fired heat

source used within the heating system.

– Building regulations part “L&P” and direct-

ives concerning energy saving.

– Building regulations such as G3 covering

Hygiene and L8 Legieonella.

– COSHH regulations.

– Other relevant bodies such as HETAS and

OFTEC.

– BS7671 requirements for electrical installa-

tions.

All other national and regional relevant regu-

lations for the installation of heat pumps and

heating systems must be followed.

1.5 CE label

The CE label shows that the products comply

with the basic requirements of the applicable

directives as stated on the identification plate.

The declaration of conformity can be viewed

at the manufacturer's site.

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