Bartscher GWTH1 Original-Gebrauchsanleitung Seite 48

Adjustment of the ignition flame (Fig. 9)
d) If the device is fuelled with liquefied petroleum gas (LPG), turn the ignition burner
nozzle (C) clockwise.
e) After adjusting the ignition flame, reinstall the screw plug (10) and a washer(11).
f) Check the mixing of gas with air according to the data included in the table 3
„Characteristics of burners and nozzles" on page 42.
CAUTION!
•
After the modification for a different type of gas, perform the tightness test with an
appropriate spray or water with soap (never use open flame!).
•
After completing all modifications, replacements or adjustments related to the
device, reinstall all the removed parts to make sure the device is ready to work.
•
Then replace the old rating plate with a new rating plate (delivered with the
device) showing modified data and information about the new type of gas.
- 44 -
After modification of the device for the natural gas,
adjust the ignition flame. Please follow the instructions
listed below.
a) Ignite the gas burner according to the
instructions in section 5.2.2 „First Start-up"
b) With the use of 11mm open ended spanner remove
the screw plug (10) and a washer (11);
c) In order to adjust the nozzle of the ignition flame
(C) turn the nozzle clockwise using a small
screwdriver to reduce the gas supply. To increase
the gas supply, turn the nozzle counterclockwise.
Fig. 9