Bleed The Gas Supply Valve; Check The Air/Flue Gas Connection - Buderus Logamax plus GB162-80 kW Installation Instructions Manual

Fig. 55 Filling the condensate trap with water
WARNING:
Danger of fatal accident due to poisoning.
B If the condensate trap is not filled with
water, flue gas can escape and put
people's lives at risk.
9.4

Bleed the gas supply valve

• Close the gas valve (fig. 56).
Fig. 56 Closing the gas valve
• Open the screw plug on the testing nipple of the gas
supply pressure and for purging (fig. 57, [ 1]) by
2 turns and install a hose.
Logamax plus GB162- 80/100 kW - Subject to modifications resulting from technical improvements!
6720645916-55.1N
6720645916-56.1N
Fig. 57 Bleeding the gas flow pipe
• Slowly open the gas valve by pushing on the gas valve
and turning it counterclockwise through ¼ rotation
(fig. 58). The gas valve is open when it is in the vertical
position.
• Purge the gas supply into a well ventilated area.
• Close the gas shutoff valve when no more air is present
(fig. 56).
• Remove the hose and tighten the screw plug on the
testing nipple again.
Fig. 58 Opening the gas valve
NOTICE
B Test the tightness of the measuring
nipple(s) used.
9.5

Check the air/flue gas connection

Check the following points:
• Is the prescribed flue gas system used
( paragraph 6.8 "Installation of the Exhaust and Air
Intake system", page 20)?
• Have the configuration instructions from the relevant
flue gas system installation instructions been
observed?
9
Start-up procedure
6720645916-57.1N
6720645916-58.1N
41