Inspection And Cleaning; Prior To Heating Up; Inspection; Checking The System Pressure - Froling SP Dual compact Operating Instructions Manual

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4.3 Inspection and cleaning

4.3.1 Prior to heating up

4.3.2 Inspection

Checking the system pressure

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Not included:
9 Spanner or box wrench AF 10
10 Spanner or box wrench AF 13
11 Screwdriver set (Philips, flat head, Torx T20)
12 Small brush or cleaning brush
13 Ash vacuum
❒ Regular cleaning of the boiler extends its life and is a basic requirement for
smooth running.
❒ Recommendation: use an ash vacuum for cleaning.
Always move the WOS lever
❒ Move the lever of the cleaning system several times before the heating-up process
(5-10 times up and down)
❒ 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
Fröling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
Boiler servicing
Inspection and cleaning