22
Checking all connections on the heating water side for leaks
Danger
There is a risk of injury when
working on pressurised compo-
nents.
Only open the connections on the
heating water side after the boiler
has been de-pressurised.
Only drain the boiler with a suc-
tion pump when the boiler air vent
valve is open.
Note
Also check the connections to control
equipment and to the minimum pressure
switch (low water indicator) for leaks.
Cleaning and reconnecting the condensate drain system
Note
Clean the inside of the condensate drain
system at least annually.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 908 GB