Conversion To A Different Type Of Gas; Commissioning; Instructions For Use; Reminders For The User - Mareno NP70 series Anweisungen Für Installation, Gebrauch Und Wartung

• Make sure the water circuit is free of ferrous particles before
connecting the fi lter 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 made using materials re-
sistant to temperatures of 100 °C. The bottom of the appliance
must not be subjected to steam produced by drainage of hot
water. Install a siphoned fl oor 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 specifi es, for each country:
• which gas can be used for the appliance.
• the nozzles and settings for each gas that can be used. For
nozzles, the number indicated in table T1 is also stamped on
the body of nozzles.
To convert the appliance to the local gas type, follow the instruc-
tions given in 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 fl ow (if necessary).
• Replace the gas valve minimum nozzle ( Um ).
• Affi x the adhesive tab indicating the new type of gas used.
The nozzles and adhesive tabs are supplied with the applian-
ce.
10.1 REPLACING THE MAIN BURNER NOZZLE AND ADJU-
STING THE PRIMARY AIR FLOW.
• Remove the control panel.
Remove the entire gas assembly ( cock, gas pipe, main and
pilot burner, front combustion chamber wall ).
• Slacken screw V.
• Remove nozzle UM and replace it with the one indicated in
table T1.
• Retighten nozzle UM.
• Position the air regulator at distance A as indicated in table
T1.
• Retighten screw V fully.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
10.2 REPLACING THE MINIMUM SCREW
• Remove the control panel.
• Remove nozzle UM and replace it with the one indicated in
table T1.
• Retighten nozzle UM.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
10.3 REPLACING THE PILOT BURNER NOZZLE
• Remove the control panel.
• Undo connector R.
• Remove nozzle UP and replace it with the one indicated in
table T1.
• Retighten connector R. Re-assemble all parts.
• For assembly, proceed in reverse order.

11 COMMISSIONING

See Chapter " INSTRUCTIONS FOR MAINTENANCE ".
32

INSTRUCTIONS FOR USE

REMINDERS FOR THE USER

The manufacturer will not be liable for any damage or inju-
ry 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 applian-
ce.
• Installation, conversion to a different type of gas and applian-
ce maintenance must be carried out by qualifi ed technicians
authorized by the manufacturer, in compliance with current
safety standards and the instructions in this manual.
• For after-sales service, contact technical assistance centres
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 specifi ed in
the prescriptions for use.Any other use is considered to be
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.
• Clean the appliance following the instructions given in Chap-
ter " INSTRUCTIONS FOR CLEANING".
• Do not store fl ammable materials in close proximity to the
appliance. FIRE HAZARD.
• Do not obstruct any air vents or drains present on the ap-
pliance.
• Do not tamper with appliance components.

12 USING THE GAS BAIN MARIE

REMINDERS FOR USE
• The appliance is designed for indirect cooking of foods in coo-
king receptacles and for keeping food warm in a bain marie.
• Do not light the pilot burner or leave it on when there is no
water in the well.
• Do not activate the heating system when there is no water in
the well.
• While the appliance is on, the water level must be maintained
level with or above the minimum level indicated on the wall
of the well.
• At the end of each day, clean the well thoroughly in order to
prevent the formation of corrosive deposits.
FILLING AND EMPTYING THE WELL
Filling
• Insert the overfl ow pipe in the drain hole of the well.
• Fill the well until the water is level with the maximum level in-
dicated on the wall of the well. Do not use the appliance with
the water level above the maximum indicated level.
Emptying
Remove the overfl ow pipe from the drain hole of the well.
IGNITING AND EXTINGUISHING THE BURNERS
The gas tap control knob has the following positions: