15
A
A
A
Fig. 9
1.
Seal gas shut-off valve
A
to the gas connection.
Information on operation with LPG
Install an external safety solenoid valve if the boiler
is installed below ground level.
2.
Carry out a tightness test.
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 leak detection agent residues after test-
ing.
!
Please note
Excessive test pressure will damage the
boiler and the gas train.
Max. test pressure 150 mbar (15 kPa). If a
higher pressure is required for tightness
tests, disconnect the boiler and the gas train
from the main supply pipe (undo the fitting).
3.
Purge the gas line.
Installing the boiler
Gas connection
5778741
Installation