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5.1 Gas Pipe Material
WARNING
The boiler must be left running for 10 minutes before
checking the gas pressure, to obtain thermal equilibrium.
The gas installation pipes must be made of suitable materials
and comply with the applicable legislation to this respect.
The gas connection must be made using a rigid pipe, inserting a
shut-off valve between the boiler and the pressure regulator.
All the pipes must be suitably fixed in place.
5.2 Propane Gas Installations (LPG)
DANGER
Thoroughly check the seal and the drainage of the entire
●
installation, as a gas leak could cause serious damage.
If a propane-fired boiler is installed in an interior room
●
or compartment underground, one side of the building
must be open to the exterior.
If a gas tank is used, it must be installed in a cool,
●
shaded place away from direct sunlight. It must also
be thoroughly secured to prevent it from tipping over,
which could cause an explosion.
If the boiler is used with propane, a gas regulator suitable for this
type of gas must be installed. The connection and installation
must be made in accordance with the applicable regulations
and standards at the time of installation.
The output pressure of the pressure regulator must be
Note
in accordance with Standard EN 437.
5.3 Measuring the Inlet Gas Pressure
WARNING
The boiler cannot function properly without sufficient inlet
gas pressure. Measuring the inlet gas pressure should be
performed by a licensed professional only.
The inlet gas pressure must be maintained between 17 mbar
and 25 mbar for natural gas and between 25 mbar and 35 mbar
for liquefied propane.
To measure the inlet gas pressure:
1. Shut off the manual gas valve on the gas supply line.
Gas Valve
2. Open a hot water faucet. The boiler should turn on and the
gas in the gas supply line will be purged.
Opened
Closed
Connecting the Gas Supply
27
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