Commissioning; Gas Appliances; Troubleshooting; Replacing Components - ALI 90GL/G400 Instrucciones Para Instalación, Uso Y Mantenimiento

14 COMMISSIONING

Following installation, conversion to a different type of gas or
any maintenance operations, check appliance operation. In
the event of any malfunction, consult the next Paragraph

"Troubleshooting".

14.1 GAS APPLIANCES

Switch on the appliance as directed in the instructions and
reminders for use given in Chapter "INSTRUCTIONS FOR
USE" and check:
•
the gas supply pressure (see next Paragraph)
•
the correct ignition of the burners and the effectiveness of
the fumes removal system.
14.1.1 CHECKING THE GAS SUPPLY PRESSURE
•
To measure the gas supply pressure use a manometer
with a minimum definition of 0.1 mbar.
•
Remove the control panel.
•
Remove the screw from on pressure test point PP and
connect the manometer to the test point.
•
Make the measurement with the appliance in operation.
•
Disconnect the manometer and retighten the retaining
screw on the pressure connection.
IMPORTANT! If the gas supply pressure is not within the
limits (Min. - Max) indicated in Table T2, cease operation of
the appliance and contact the gas utility company.
15 TROUBLESHOOTING
The pilot burner does not light
•
Possible causes:
•
Insufficient gas supply pressure.
•
Blocked tubing or nozzle.
•
Defective gas tap or valve.
•
Igniter defective or not properly connected.
•
Igniter or igniter wire defective.
Pilot burner goes out during use
•
Possible causes:
•
Insufficient gas supply pressure.
•
Defective gas tap or valve.
•
Defective thermocouple or insufficient heating.
•
Thermocouple incorrectly connected to gas tap or valve.
•
Knob of gas tap or valve not pressed sufficiently.
The main burner does not light (even though pilot is lit)
•
Possible causes:
•
Insufficient gas supply pressure.
•
Blocked tubing or nozzle.
•
Defective gas tap or valve.
•
Defective burner (gas outlet holes clogged).

16 REPLACING COMPONENTS

REMINDERS FOR REPLACING COMPONENTS
•
Disconnect the appliance electric supply, if present, before
carrying out any operation.
•
After replacing a gas system component, check for gas
leaks at connection points.
•
After replacing an electrical system component, check it is
correctly wired.
Replacing the gas tap
•
Remove the control panel.
•
Remove and replace the component.
•
Re-assemble all parts. For assembly, proceed in reverse
order.
Replacing the pilot burner and thermocouple
•
Remove the control panel.
• Remove the grilles, lava stone and support brazier.
•
Remove and replace the component.
•
Re-assemble all parts. For assembly, proceed in reverse
order.
Replacing the main burner
•
Remove the control panel.
•
Remove and replace the component.
•
Re-assemble all parts. For assembly, proceed in reverse
order.

17 CLEANING THE INTERIOR

•
Check the condition of the inside of the appliance.
•
Remove any built-up dirt.
•
Check and clean the fumes exhaust system.

18 MAIN COMPONENTS

• Main burner
• Pilot burner
• Thermocouple
• Igniter
• Piezoelectric ignition
• Gas tap
• Brazier
• Volcanic lava stone
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