1) Type of bypass depends on model.
13.8 Gas connection
Use a fixed connections or use a flexible
stainless steel pipes in compliance with
the regulation in force. If you use flexible
metallic pipes, make sure they do not
come in touch with mobile parts and they
are not squeezed.
When you install and
connect the appliance, obey
• SVGW- Gas principles
G1: Gas installation
• EKAS- Form. 1942:
Liquid gas directive, Part
• Cantonal instances
regulations (e.g. fire
Install and connect the
appliance in accordance to
The gas connection pipe
must not touch the part of
the appliance shown in the
13.9 Flexible nonmetal pipes
If you have an easy access to the
connection, you can use a flexible pipe.
The flexible pipe must be tightly attached
In installation always use the pipe holder
and the gasket. The flexible pipe can be
• it can not get hotter than room
temperature, higher than 30 °C,
• it is not longer than 1500 mm,
• it has no narrowing anywhere,
• it is not twisted or tighten,
• it does not get in touch with sharp
edges or corners,
• it's conditions can be easily checked.
When checking the flexible pipe make
• it does not show cracks, cuts, marks
of burnings on the two ends and on its
• the material is not hardened, but
shows its correct elasticity,
• the fastening clamps are not rusted,
• expired term is not due.
If one or more defects are visible, do not
repair the pipe, but replace it.
When installation is
complete, make sure that
the seal of each pipe fitting
does not leak. To check the
seal use a soap solution, not
The gas supply ramp is on the rear side
of the control panel.
Before you connect the gas,
disconnect the appliance
from the electricity supply or
switch off the fuse in the
fuse box. Close the primary
valve of the gas supply.