Vaillant ecoTEC VU Manuel de service télécharger pdf (Page 17)

Gas installation

ecoTEC plus installation and maintenance instructions 0020134823_01 17

5 Gas installation

The work described in this section must only be carried out

by a competent person.

5.1 Preparing for installation

Danger!

Risk of death caused by improper gas

installation!

An incorrect gas installation may result in

leaks and an explosion.

> During installation, the legal directives

and the local regulations for gas supply

companies must be observed.

Danger!

Risk of death caused by improper gas

installation!

Tension in the gas line may result in leaks

or an explosion.

> Make sure there are no stresses in the

gas lines when it is installed.

Caution.

Risk of material damage caused by incor-

rect gas installation.

Excess test pressure may cause damage to

the gas valve.

> When checking the gas valve for leak-

tightness, use a max. test pressure of

1.1kPa (110mbar).

> During the gas installation, ensure that

the home pressure regulation for the

required gas flow pressure of 5mbar is

maintained in accordance with the tech-

nical data (

¬section18).

Caution.

Risk of material damage caused by con-

taminated lines.

Foreign bodies, such as welding remnants,

sealing residue or dirt in the supply lines

for gas, may cause damage to the boiler.

> Blow the gas line thoroughly clean prior

to installation.

Caution.

Risk of material damage caused by the

incorrect gas type.

Using the wrong gas type may cause a fault

shutdown on the boiler. Furthermore, igni-

tion and combustion noise may occur in the

boiler.

> Only use the gas type specified in the

type overview (

¬section1.5).

5.2 Connecting the gas line

5.1 Gas connection

> Fit an approved gas valve to the unit with a screw

connector.

> Fit the gas supply line to the gas valve.

> Purge the gas line before you start up the unit.

> Check the gas connection for leak-tightness.

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Vaillant ecoTEC VU Manuel de service Page 17

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