ecoTEC pro - Vaillant

5 Gas installation
The work described in this section must only be carried out
by a competent person.
5.1 Preparing for installation
a
Danger!
Risk of death from incorrectly installed
gas system!
An incorrect gas installation can result in
leaks and an explosion.
> During installation, the legal directives
and the local regulations for gas supply
companies must be observed.
a
Danger!
Risk of death from incorrectly installed
gas system!
Tension in the gas line can result in leaks or
an explosion.
> Make sure there are no stresses in the
gas lines when it is installed.
b
Caution.
Risk of damage caused by incorrect gas
installation.
Excess test pressure or operating pressure
can cause damage to the gas valve.
> When the entire gas installation is tested
for leaks, the maximum pressure at the
gas valve must not exceed 0.75 kPa
(75 mbar).
b
Caution.
Risk of damage caused by contaminated
lines.
Foreign bodies such as welding remnants,
sealing residue or dirt in the supply lines
for gas can cause damage to the boiler.
> Blow the gas line clean prior to installation.
b
Caution.
Risk of damage caused by using the
wrong gas type.
Using the wrong gas type can cause a fault
shutdown on the boiler. Furthermore, ignition
and combustion noise may occur in the
boiler.
> Only use propane gas for propane-fired
boilers in accordance with BS 4250: Part
1 (1987).
5.2 Connecting the gas pipe
5.1 Fitting the gas connection
> Make the gas connection as shown.
Gas installation
Installation and maintenance instructions ecoTEC pro 0020129672_03 19
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