Start-up procedure 9
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements! 49
9.4 Bleed the gas supply valve
z Close the gas valve (fig. 52).
z Open the screw plug on the testing nipple of the gas
supply pressure and for purging (fig. 53, pos. 1) by
2 turns and install a hose.
z Slowly open the gas valve by pushing on the gas valve
and turning it counterclockwise through ¼ rotation
(fig. 54). The gas valve is open when it is in the vertical
position.
z Purge the gas supply into a well ventilated area.
z Close the gas shutoff valve when no more air is present
(fig. 52).
z Remove the hose and tighten the screw plug on the
testing nipple again.
9.5 Check the air/flue gas connection
Check the following points:
– Is the prescribed flue gas system used (see
paragraph 6.7 "Installation of the Exhaust and Air Intake
system", page 24)?
– Have the configuration instructions from the relevant flue
gas system installation instructions been observed?
Fig. 52 Closing the gas valve
Fig. 53 Bleeding the gas flow pipe
1
Fig. 54 Opening the gas valve
NOTICE
z Test the tightness of the measuring nipple(s)
used.
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