Part 7: Gas Supply Installation; Preliminary Burner Checks - Valor COSYFLAME TURBOCHIM 528 Installer's Manual

Connect the supply line to the appliance.
Unless the supply pipe connection is from the left front side, the supply
pipe will have to be formed to avoid various components below the
burner. An installation template is supplied which contains a diagram for
bending this supply pipe.
If gas supply is to the rear of the appliance, then entry is via the large
grommet, at the lower left hand side of the back face. Pierce the grommet
to allow pipe entry. Gas supply can also be accommodated at the lower
right hand side of the appliance. This small grommet will require removal
or a careful incision for pipe entry. (See figure 31).
Check the installation pipework for gas soundness in accordance with the
current edition of BS6891. Do not use leak detection sprays on this
appliance. Sprays may affect the operation of electrical components. Keep all
liquid detection fluids clear of electrical components. A long brush may be
required to reach some joints .

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.
• Switch on electrical power supply to the appliance. The red indicator light at the left
side of the burner should come on.
• If closed, open the isolating valve at the inlet elbow.
• Press and hold in the "on" switch. Within two seconds, the Fan motor will start and
the indicator light should go out.
• Release the "on" switch. The fan should continue to run.
• Depress the control knob and turn anticlockwise partially towards the
"PILOT/IGN" position until some resistance is felt. Keep depressed at this position
to purge air from the system then, while keeping it depressed, turn fully to the
"PILOT/IGN" position. A spark should be generated at the pilot while turning.
The spark should ignite the pilot.
• When pilot ignition has been achieved, keep the control knob depressed for
approximately ten seconds to allow the thermocouple probe to warm up and then
release it. If the pilot does not remain alight, ensure that the air has been purged, 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 slight
delay 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.
• With the burner at "LOW", 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" position.
• Press the "off" switch. The fan should stop and the indicator light should come on.
• 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.

PART 7: GAS SUPPLY INSTALLATION

Fig. 31
19