Boiler maintenance
Inspection, cleaning and maintenance
Fröling Heizkessel- und Behälterbau Ges.m.b.H, Industriestraße 12, A-4710 Grieskirchen, Austria Page 35
Tel +43 (0) 7248 606-0 Fax +43 (0) 7248 606-600 info@froeling.com www.froeling.com
B0190806
Checking the system pressure
Read off the system pressure on the
pressure gauge
The value must be over the pre-
stressed pressure of the
expansion tank by 20%
Expansion tank operating
instructions
If the system pressure drops, refill the
water
If this occurs frequently, the
heating system does not have a
good seal!
Inform your installer!
If large pressure fluctuations are
observed, have the expansion tank
checked
5.1.2 Annual Check
Carry out yearly, or at least after 1500 hours of operation!
Checking the heat-exchanger and flue gas collection chamber
Remove the two screws on the
insulting cover using a Phillips
screwdriver
Clean the flue gas collection
chamber and the opening to the
induced draught fan with a brush
Remove any soot which has fallen
in
We recommend that you use an
ash vacuum
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