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Instruction manual BFM 43
is
8. If the gas table (3.4.3 "Gas data") indicates that the main burner orifices
need to be replaced:
a. Remove the main orifices (5).
b. Fit the main orifices from the conversion set. Check the required orifice
diameter against the value given in the gas table (3.4.3 "
Gas data"). The
orifice diameter is stamped on the orifice itself.
9. If necessary, replace the blank plate or burner pressure regulator.
10. Re-fit the burner tray and fasten it using the screws.
11. Fit the gas coupling to the gas control valve and firmly tighten the
connector(s) of the gas control valve.
12. Reconnect the leads of the spark electrode and flame probe to the burner
control and fasten them in the strain relief.
13. Connect the gas supply.
14. Re-fit the protective cover.
Note
Refer to the electrical diagram (14 "
Electrical diagram") for correct
connection of the electrical components.
4.3 Replacement of
burner pressure
regulator or blank
plate BFM 30-50-80-
100
Referring to the gas table, determine whether the gas control valve needs to be
fitted with a blank plate or burner pressure regulator. If necessary, replace them
as follows:
1. Carry out steps 7 through 9 of orifice replacement (4.2 "
Orifice
replacement").
2. Remove the burner pressure regulator or blank plate from the appliance.
3. Fit the burner pressure regulator or blank plate from the conversion set.
4. Carry out steps 10 through 14 of orifice replacement (4.2 "
Orifice
replacement").
Note
Once you have completed the replacement of the components, you must
check the supply pressure and burner pressure to match the intended gas
category (3.11 "Checking the supply pressure and burner pressure").
43


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