4.2.5 General visual inspection
Regular general visual and functional inspections should be carried out on all the
components making up the boiler.
❒ Clean components wherever necessary
❒ Immediately change or have someone exchange defective components
Pay particular attention to the following components when carrying out the
inspections:
▪ Burning chamber
▪ Combustion chamber
▪ Heat exchanger
▪ ID fan
▪ Flue gas recirculation (FGR)
▪ Combustion air blower fan
▪ Burn back protection system
– Check function and seal
▪ Screw drives
– Loading and ash removal
▪ Door contact switch
– When the door is opened, the induced draught unit must operate at full speed
– The combustion air and FGR blower fan must stop when the door is opened
▪ Igniter tube
– must not be obstructed!
▪ High-limit thermostat (STL)
▪ Loading system water sprinkler system
– Note the manufacturer’s specifications
▪ Emergency stop switch
4
Servicing
Inspection
36
Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
