36
Checking all connections on the heating water side for tightness
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 depressurised.
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 tight-
ness.
Cleaning and reconnecting the condensate drain system
Note
Clean the inside of the condensate drain
system at least annually.
C
D
A
B
1.
Undo four screws and remove the
rear centre and lower back panels.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5794 780 GB