Check Reference Pressure; Fitting The Ceramics - Valor COSYFLAME BR623 Installer's Manual

that the pilot orifice is clear and that the thermocouple connections are sound. Replace the pilot unit if necessary (see servicing
section of this manual).
When the pilot is alight and stable, partially depress the knob and turn to " LOW". 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.
When the burner is operating properly, partially depress the control knob and gradually turn it anti-clockwise. The burner
flames should gradually increase until the knob reaches the " HIGH" position.
When the above checks have been completed partially depress the control knob and turn to "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.

CHECK REFERENCE PRESSURE

The appliance is pre-set to give the correct heat input at the inlet pressure shown in the Technical Specification section of this
manual. No adjustment is necessary. Check the burner pressure by fitting a pressure gauge at the test point. The test point is
on the pipe situated below the bottom right corner of the burner unit. Check the pressure with the appliance alight and set at
maximum output.
After checking, turn off the appliance. Remove the pressure gauge and replace the test point sealing screw. Relight the
appliance. Turn to the maximum output position and test around the sealing screw for gas soundness with a suitable leak
detection fluid.
Figure 8 Ceramic rear wall &
Bracket fixing
Figure 10 Front Base Coal Positioning

FITTING THE CERAMICS

Fit the ceramic rear wall (figures 8
& 9). The featheredge of the
ceramic rear wall must be at the
top.
Place the front base coal
in the burner
compartment so that it
rests on the ledges at the
sides and front. Pull the
coal forward so that it is
immediately behind the
front rim of the burner
compartment. (See Fig 10
& 11).
9
Figure 9 Ceramic rear wall position
Figure 11 Front Base Coal in Position