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INSTALLER GUIDE
10. BURNER & SUPPLY PIPE 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. Turn on the gas supply and pressure check the installation pipework for gas
soundness. In the United Kingdom (GB) check in accordance with the current edition
of BS 6891. In the Republic of Ireland check in accordance with the current edition of
IS 813 "Domestic Gas Installations".
4. Fit the burner tray trim to the front of the burner tray. To do this place the trim
against the burner tray with the folded edge at the top rear. Lower the trim so that the
folded edge locates over the front face of the burner.
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.
1. If closed
open the isolating valve at the inlet
,
'T' connector.
2. Rotate the control pivot bracket clockwise as
far as it will go and hold in this position (See
figure 23). This should close the ignition circuit
and simultaneously open the gas tap allowing
the gas to flow to the pilot. Wait a few seconds
while the air is purged. The electronically
Figure 23. Control pivot plate
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.
3. When the burner is operating properly, gradually turn the control pivot bracket anti-
clockwise. The burner flames should gradually increase until the pivot bracket is
nearly at its furthest anti-clockwise rotation. Rotating further until the pivot bracket
comes to a stop should then turn the burner and pilot off.
4. 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 guide.
©
Page 25
Baxi Heating U.K. Limited 2010.
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