Protective Earth And Earth Bonding Con- Nections; Connection To The Water Supply; Conversion To A Different Type Of Gas; Replacing The Pilot Burner Nozzle - ALI NBR912E Serie Instrucciones Para Instalación, Uso Y Mantenimiento

• A flexible rubber cable with insulation specifications not lower
than type H05 RN-F must be used for connection.
• Connect the power supply cable to the terminal board as
shown in the wiring diagram supplied with the appliance.
• Secure the power supply cable with the cable clamp.
• Protect the power supply cable on the outside of the applian-
ce with a rigid plastic or metal pipe.
9.3 PROTECTIVE EARTH AND EARTH BONDING CON-
NECTIONS
Connect the appliance to an efficient ground circuit. Connect
the earth conductor to the terminal with the symbol
next to the main terminal board.
Connect the metal structure of the appliance to the equipoten-
tial node. Connect the conductor to the terminal with the
symbol on the outside part of the bottom.

9.4 CONNECTION TO THE WATER SUPPLY

The appliance must be connected to a potable water supply.
The water inlet pressure must be between 150 kPa and 300
kPa. Use a pressure reducer if the inlet pressure is above the
maximum permitted level.
• Install a mechanical filter and a shut-off valve upstream of the
appliance in an easily accessible point.
• Make sure the water circuit is free from ferrous particles befo-
re connecting the filter and the appliance.
• Seal any unused connectors with a plug.
• Once the appliance has been installed, check for gas leaks at
the connection points.
9.5 CONNECTION TO THE WATER DRAIN
The water drainage system must be provided using materials
resistant to temperatures of 100 °C.The bottom of the applian-
ce must not be subjected to steam produced by drainage of hot
water.Install a siphoned floor drain with grating below the water
drain cock of Boiling pans and in front of Bratt pans.

10 CONVERSION TO A DIFFERENT TYPE OF GAS

Table T1 specifies, for each country:
• which gas can be used for the appliance
• the nozzles and settings for each gas that can be usedFor
nozzles, the number indicated in table T1 is also stamped on
the nozzle body.
To convert the appliance to the local gas type, follow the in-
structions given in atable T1 and carry out the steps below:
• Replace the main burner nozzle ( UM ).
• Adjust the main burner's air regulator to distance A.
• Replace the pilot burner nozzle ( UP ).
• Adjust the pilot burner air flow (if necessary).
• Replace the gas valve minimum nozzle ( Um ).
• Affix the adhesive tab indicating the new type of gas used.The
nozzles and adhesive tabs are supplied with the appliance.
10.1 REPLACING THE MAIN BURNER NOZZLE AND ADJU-
STING THE PRIMARY AIR FLOW
• Remove the front panel
• Remove nozzle UM and replace it with the one indicated in
table T1.
• Retighten nozzle UM.
• Slacken screw V and position the air regulator at distance A
as indicated in table T1.
• Retighten screw V fully.
36
• Re-assemble all parts. For assembly, proceed in reverse or-
der.

10.2 REPLACING THE PILOT BURNER NOZZLE

• Remove the front panel
• Undo connector R.
• Remove nozzle UP and replace it with the one indicated in
table T1.
• Retighten the connector R. Re-assemble all parts.
• For assembly, proceed in reverse order.
10.3

CAST IRON GAS BRATT PAN

located
10.3.1 REPLACING THE MAIN BURNER NOZZLE AND
ADJUSTING THE PRIMARY AIR FLOW
• Remove the front panel
• Slacken screw V1.
• Remove nozzle UM (fitted to air regulator Z and the seal Z1)
and replace it with the one indicated in table T1.
• Retighten nozzle UM (fitted to air regulator Z and the seal
Z1).
• Adjust air regulator Z to distance A as shown in table T1.
• Retighten screw V1 fully.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
10.3.2 REPLACING THE PILOT BURNER NOZZLE
• Remove the front panel
• Undo connector R.
• Remove nozzle UP and replace it with the one indicated in
table T1.
• Retighten the connector R. Re-assemble all parts.
• For assembly, proceed in reverse order.

11 COMMISSIONING

See Chapter " INSTRUCTIONS FOR MAINTENANCE "

REMINDERS FOR THE USER

The manufacturer will not be liable for any damage or in-
jury resulting from failure to observe the following rules
• Read this manual carefully. It provides important information
for safe installation, use and maintenance of the appliance.
• Keep this manual in a safe place known to all users so that it
can be consulted throughout the working life of the appliance.
• Installation, conversion to a different type of gas and applian-
ce maintenance must be carried out by qualified technicians
authorized by the manufacturer, in compliance with current
safety standards and the instructions in this manual.
• For after-sales service, contact technical assistance centers
authorized by the manufacturer and demand the use of origi-
nal spare parts.
• Have the appliance serviced at least twice a year. The manu-
facturer recommends taking out a service contract.
• The appliance is designed for professional use and must be
operated by trained personnel.
• The appliance is to be used for cooking food as specified
in the reminders for use. Any other use must be considered
improper
• Do not allow the appliance to operate empty for prolonged
periods. Only pre-heat the oven just before use.
• Do not leave the appliance unattended while in operation.
• In the event of an appliance fault or malfunction, shut the
gas shut-off valve and/or switch the appliance off at the main
switch installed upline.

INSTRUCTIONS FOR USE