• Main Heat Exchanger
Subject
Descrip
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on
Part’s Function
The main element that allows heat transfer to the water in the central heating circuit. It
transfers the heat generated as a result of combustion in the burner to the water pipes,
allowing the system to heat up.
Impact in Case of Malfunction
1- Heating is not provided.
2- Water or gas leakage occurs.
Main Associated Error Codes
E01, E03, F07
Error Diagnostics and Test
Method
1- Check if there is filth in the heat exchanger fins and pipes and obstruction between
the pipes.
2- Visually inspect if there is of cracks-holes on the heat exchanger pipes.
3- Check for boiling and bubbling sounds from inside the heat exchanger.
4- Perform fresh air emission measurement.
Maintenance Requirement
Heat exchanger internal pipe cleaning
Maintenance Descrip
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on
Maintenance Method
1- Open the burner cover by removing the 4 nuts.
2- Clean the filth on the pipes using a vacuum cleaner.
3- Remove any deposits in the piper using a brush (the brush should not be metal).
4- Wash the inside of the heat exchanger with water.
5- Since the filth will accumulate in the siphon after washing with water, clean the
siphon to complete the procedure.
Note : Never use acidic or alkaline based cleansers (drain opener, etc.) to remove
the filth.
Heat Exchanger Internal Pipe
Cleaning
3
Table 1
3
64
Summary of Contents for CONFEO PREMIX P 14 HM
Page 1: ...SERVICE MANUAL CONFEO PREMIX CONDENSING BOILER CONFEO PREMIX P 14 20 24 28 30 35 HM HCH HST...
Page 24: ...12 ELECTRICAL DIAGRAM Figure 15 24...
Page 34: ...Low Voltage Removing installing the pump cable FAN PWM CABLE Figure 39 Figure 40 34...
Page 52: ...Figure 76 Figure 77 52...
Page 83: ......
