Buderus 600 - 11S User Manual page 6

Users manual
6.1.2 Purging the heating-water circuit
Unscrew the four screws at the top and bottom of the
ventilation cover (fig. 6, item 1) and remove the
ventilation cover.
Open the cap on the automatic vent unit (fig. 7) by
one turn to allow any residual air to escape.
If the air purging operation causes the pressure to
drop, top up with water.
Refit the ventilation cover.
Remove the hose from the filling and draining valve,
unscrew the hose spigot and screw the cover cap
back on.
Purging the system at the radiator bleed-valves.
NOTE
I
If there are frequent water losses, have the
system examined and repaired by a CORGI
registered installer.
Have the inhibitor concentration checked every
year.
Buderus • http://www.buderus-domestic.co.uk
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Fig. 6 Remove ventilation cover
Fig. 7 Automatic air vent unit
Subject to modifications resulting from technical improvements!
Users manual for Buderus 600 - 11S / 19S / 24S / 24C • edition 02/2006
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