Gas installation
Installation and maintenance instructions ecoTEC plus 0020116700_01 21
5
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 0.75kPa
(75mbar).
b
Caution.
Risk of damage caused by contaminated
lines.
Foreign bodies such as welding remnants.
sealing residue or dirt in the connection
lines for gas can cause damage to the
boiler.
> Blow the gas line clean prior to installa-
tion.
b
Caution.
Risk of damage caused by using the
wrong gas group.
Using the wrong gas group 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 DIN51622.
5.2 Connecting the gas pipe
2
6
7
3
5
4
1
5.1 Fitting the gas connection (example: VUW boiler)
> Make the gas connection as shown.
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