1
2
3
10
9
8
7
4
6
Maintenance
26
Cleaning the condensate receptacle
Cleaning and re
fi
lling the syphon
Inspec on of combus on chamber
Cleaning the condensate receptacle
• Disconnect the plug of the
fl
uegas
temperature sensor (1);
• Remove the condensate receptacle
(2);
• Clean the receptacle;
• Mount the condensate receptacle;
• Connect the plug of the
fl
uegas
temperature sensor.
Cleaning and re
fi
lling the syphon
• Remove the syphon (3) from the
condensate connec on;
• Clean and
fi
ll it with fresh water;
• Mount the syphon back in the
original posi on.
Inspec on of combus on chamber
For inspec on of the combus on
chamber the mixing system and
burner must be disassembled.
• Switch o
ff
the boiler and close the
gas supply;
• Remove the electrical connec on
from the fan and gas valve (4);
• Undo the gas connec on at the
inlet of the gas valve (6);
• Disassemble the top plate incl.
mixing system (7);
• Remove the burner (8), de
fl
ector
plate (9) and de
fl
ector (10) from the
combus on chamber;
• Inspect the combus on chamber
and clean it with a vacuum
cleaner
if
necessary;
• Assemble all components in
opposite order;
• Open the gas supply and check all
connec ons for gas leakage;
• Switch on the boiler.
Summary of Contents for Thision EVO WH 250-120
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