Valor BR622 Installer's Manual page 28

15.13 TO REPLACE BURNER PLAQUES (Fig.57)
15.13.1 Remove the 11 loose coals, the front
coal and the base coal.The plaques can
be then be removed as follows without
detaching the front surround or
ceramic walls but be careful not to
damage the ceramic walls while
working inside the firebox.
15.13.2 Remove the plaque clamping strips by
detaching 8 screws.
15.13.3 Remove the plaques and the
combination gasket between and under
the plaques. If necessary remove the
gauze and the gasket beneath it.
15.13.4 If necessary fit a new gasket below the
gauze. Clean and replace the gauze. Fit
a new combination gasket below the
plaques. Push the gasket ends inwards
to form a dividing gasket between the
plaques.
15.13.5 Place the new left hand plaque in
position. The left side of the plaque
must touch the inside edge of the
retaining flange at the left side of the
burner well.
15.13.6 Place the new right hand plaque in
position. Make sure that the centre
section of the combination plaque is
between the two plaques. If there is any
play between the plaques and the end
retaining flanges, push the plaques
firmly to the left squeezing the centre
section of the combination gasket
between the two plaques. Any gap
should be between the right side of the
plaque and the right side retaining
flange.
15.13.7 Fit the front and rear plaque clamping
strips. Make sure that the plaques are
as far to the left as possible. It is
important that the left side plaque is
accurately positioned so that it has
the correct relationship to the pilot.
Fully tighten the clamping strips.
15.13.8 Refit the coals as described in the
installation instructions.
INSTALLER GUIDE
15.14
15.14.1 Remove the burner unit - See section
15.14.2 Installations without spacing unit 617K
15.14.3 Installations with spacing unit 617K
15.14.4 Refit as described in the relevant
Page 28
TO REMOVE THE APPLIANCE FROM
THE FIREPLACE
15.6.
If the fire retention is as method 1 (See
section 7.1.1 of installation
instructions), remove the screws.
If the fire retention is as method 2 (See
section 7.1.2 of installation
instructions),
slacken the hexagonal adjusters on the
cable retainers and unscrew the
thumbscrews to release the cables.
Remove the nine screws securing the
appliance to the front of the spacer
unit.If the appliance is attached to the
fireplace floor, remove the two fixing
screws.
installation sections. Make sure gas
soundness, sealing, spillage test and
performance are satisfactory.
figure 57
Burner plaque positions