4.2 Inspection and cleaning
❒ Regular cleaning of the boiler extends its life and is a basic requirement for
smooth running.
❒
Recommendation: use an ash vacuum for cleaning.
4.2.1 Inspection
Checking the system pressure
❒ Check the system pressure on the pressure gauge
➥ The value must be 20% above the pre-stressed pressure of the expansion tank
NOTICE! Check that the position of the pressure gauge and rated pressure of
the expansion tank match your installer's specifications!
If the system pressure decreases:
❒ Top up with water
NOTICE! If this happens frequently, the seal of the heating system is faulty! Inform
your installer
If large pressure fluctuations are observed:
❒ Ask an expert to inspect the expansion tank
Checking the safety valve
❒ Check the seal of the safety valve regularly and ensure that the valve is not dirty
NOTICE! Inspection work must be carried out in accordance with the
manufacturer’s instructions.
Checking the geared motors
❒ Carry out a visual inspection of the seal on all the geared motors in the system
➥ There should be no significant leakage of lubricant.
NOTICE! The presence of a few drops of lubricant may be normal. If there is
significant loss of lubricant, inform your installer or Froling customer services.
4
Boiler Servicing
Inspection and cleaning
28 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
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