GASTER N 119 ÷ 289 AW
28
cod. 3541F272 - Rev. 00 - 06/2018
EN
Combustion analysis
A fume sampling point has been provided in the top part of the
anti-backflow device inside the boiler (see fig.
9).
To take the sample:
•
Remove the upper panel of the boiler
• Remove the insulation covering the anti-backflow device
•
Open the fume sampling point;
•
Insert the probe;
•
Set the boiler temperature to maximum.
•
Wait 10-15 minutes for the boiler to stabilise*
•
Take the measurement.
*Tests done with the boiler that is not stabilised can cause
measurement errors.
fig. 9 - Fume sampling point
Burner assembly removal and cleaning
To remove the burner assembly:
•
Disconnect the power and turn off the gas ahead of
the boiler.
• Undo the two screws (A fig. 10 and 11) securing the
electronic flame controller to the gas valve and remove
the controller from the valve.
• Undo the screws securing the connectors (D) to the
gas valves and remove the connectors from the valves.
• Disconnect the ignition and ionisation cables (E) from
the electrode assembly;
• Undo the nuts (B) securing the gas supply pipe ahead
of the gas valves.
• Undo the nuts (C) securing the combustion chamber
door to the cast iron elements of the boiler.
•
Remove the burner assembly and combustion cham-
ber door.
Then check and clean the burners. Only use a non-metallic
brush or compressed air to clean the burners; never use
chemical products.
Afterwards, refit everything in reverse order.
fig. 10 -
fig. 11 -
Summary of Contents for GASTER N 119
Page 77: ...GASTER N 119 289 AW 77 cod 3541F272 Rev 00 06 2018 RU 7 1 2 1 1 0 1 5 3 3 1 6 3 4 2 2 1 2 2...
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Page 83: ...GASTER N 119 289 AW 83 cod 3541F272 Rev 00 06 2018 RU 9 10 15 9 A 10 11 D 10 11...
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Page 85: ...GASTER N 119 289 AW 85 cod 3541F272 Rev 00 06 2018 RU 3 4 12 12 2 2 8 2 2 50 C...
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Page 91: ...GASTER N 119 289 AW 91 cod 3541F272 Rev 00 06 2018 RU 97 107 23...
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