29
Fig. 17
Route condensate hoses from the side openings to the
building's drainage system: See page 26.
Connect drain hoses with a constant fall and a pipe
vent to the building's drainage system. If required,
install a condensate removal pump (accessories).
!
Please note
Bends in the condensate hoses impede draining
of the condensate.
Pull the condensate hoses out of the appliance
far enough to prevent bends inside the appli-
ance.
Gas connection
A
Fig. 18
A
Gas connection R
½
1.
Connect the gas line to gas shut-off valve
A
.
2.
Check the gas connections for leaks. Also check
the line to the heat generator.
Danger
Uncontrolled escape of desulphurised
odourless natural gas can result in breathing
difficulties and asphyxiation.
Ensure adequate ventilation in enclosed
spaces.
Note
Only use suitable and approved leak detection
agents (EN 14291) and devices for the tightness
test. Leak detection agents with unsuitable constit-
uents (e.g. nitrides, sulphides) can cause material
damage.
Remove residues of the leak detection agent after
testing.
!
Please note
Excessive test pressure can damage the
appliance.
Max. test pressure 150 mbar (15 kPa).
Where higher pressure is required for tight-
ness tests, disconnect the appliances from
the gas supply pipe (undo the fitting).
3.
Purge the gas line.
Installation sequence
Condensate connection
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Installation
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