Checking The Level Of Contamination Of Burner And Heat Exchanger; Checking The Level Of Contamination - Buderus Logano plus GB312 Installation And Maintenance Instructions Manual

9.6

Checking the level of contamination of burner and heat exchanger

The burner and heat exchanger can be wet cleaned.
Prior to cleaning the burner and heat exchanger, first
check or carry out the following steps.
9.6.1

Checking the level of contamination

B Connect a differential pressure tester between the test
nipple on the burner [1] and the boiler connection
elbow or boiler flue connection [2] at the back of the
boiler.
Fig. 53 Checking the level of contamination
1 Test nipple on the burner
2 Test point at the boiler flue connection
Logano plus GB312 - Subject to technical modifications.
Inspection and maintenance
Start the heating system at the base controller
B Set the ON/OFF switch at the base controller to "I".
Fig. 54 Switching on the heating system
The entire heating system is switched on. The status is
displayed and shows the current boiler water temperature
in °C.
Carrying out a flue gas test
Key is used by your heating contractor for the flue
gas test.
The heating control unit operates for 30 minutes at a
higher flow temperature. During the flue gas test, the
decimal point illuminates in the status display.
B Ensure heat is being drawn off.
B Hold down
until the decimal point in the status
display illuminates (at least 2 seconds).
B Carry out a flue gas test.
B Cancel the flue gas test; press
Fig. 55 Calling up the flue gas test
9
again.
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