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INSTALLER GUIDE
10. BURNER INSTALLATION
10.1 Burner and supply pipe installation.
1. Refit the burner unit to the convection box with two screws.
2. Connect the supply line to the appliance.
3. Pressure check the installation pipework for gas soundness. In the United Kingdom
check in accordance with the current edition of BS6891. In the Republic of Ireland
refer to the current edition of I.S. 813 "Domestic gas installations"
10.2 Preliminary burner checks.
Some burner operations can be checked at this stage. Checking now will mean that
less disassembly will be required if any problems are found. A full check should still
be made, however, after final installation
10.2.1 Lighting the burner.
1. If closed, open the isolating valve at the inlet 'T' connector.
2. Depress the control pivot plate as far as it will go and hold in this position (See
section 6, figure 9). This should close the ignition circuit and (now that the gas is
connected) simultaneously open the gas tap allowing the gas to flow to the pilot.
Wait a few seconds while the air is purged. The electronically generated sparks
should light the pilot. The pilot should then light the main burner at its low setting.
There may be a delay of up to four seconds between the pilot lighting and ignition of
the gas at the main burner. This is normal and is due to the time required to fill the
main burner compartment with sufficient gas for ignition.
10.2.2 Operating the burner.
1. When the burner is operating properly, gradually rotate the control pivot plate in an
anticlockwise direction. The burner flames should gradually increase until the control
pivot plate is nearly at its highest position. You should feel some resistance when the
control pivot plate reaches the maximum burner flame position. Rotating further until
the control pivot plate comes to a stop should then turn the burner and pilot off. If the
above checks are satisfactory, continue with the installation. If not, check the control
and ignition circuitry and components as described in the servicing section of this
manual.
Page 27
©
Baxi Heating U.K. Limited 2010.
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