metos 74GLRGT Gas-Heated Lava Rock Grill User Manual

: June 5, 2024
: metos

metos 74GLRGT Gas-Heated Lava Rock Grill

metos 74GLRGT Gas-Heated Lava Rock Grill product

Personal Protective Equipment

Given below is a summary table of the Personal Protective Equipment (PPE) to be used during the service life of the equipment.

PHASE

| Protective garments| Safety footwear| Gloves| Goggles| Ear protectors| Mask| Helmet
---|---|---|---|---|---|---|---
| | | | | |

Transport

| | X| | |
Handling| |

X

| |

Unpacking

| | X| |
Assembly| |

X

| |

Normal use

| X| X| X (*)|
Adjustments| |

X

| | |

Routine cleaning

| | X| | |
Extraordinary cleaning| | X|

X

|

Maintenance

| | X| X (*)|
Disassembly| |

X

| |

Scrapping

| |

X

| |

PPE REQUIRED
PPE AVAILABLE OR TO BE USED IF NECESSARY
PPE NOT REQUIRED

The gloves used during normal Use and Maintenance must be heatproof to protect hands when the operator touches hot parts of the equipment or hot cooking substances (oil, water, steam, etc.). The non-use of Personal Protective Equipment by operators, specialized technicians or persons using the equipment can involve exposure to chemical hazards and possible damage to health.

Residual risk
There are risks on the machine that have not been completely eliminated from a design standpoint or with the installation of adequate protection devices.
To provide the Customer with full information, given below are the residual risks that remain on the machine: such actions are deemed improper and therefore strictly forbidden.

table

General information

This chapter contains general information which all users of the manual must be familiar with. Speciﬁc information for induvial users of the manual is provided in subsequent chapters (“IN-STRUCTIONS FOR …. “ ).

APPLIANCE SPECIFICATIONS
- The appliance data plate is located inside the control panel.
- The appliance model and serial number are on decals and on the packaging.
GENERAL PRESCRIPTIONS
The manufacturer will not be liable for any damage or in-jury resulting from failure to observe the following rules.

REMINDERS FOR THE INSTALLER

Read this manual carefully. It provides important information for safe installation, use and maintenance of the appliance.
Installation, conversion to a diﬀerent type of gas and appliance maintenance must be carried out by qualiﬁed technicians authorized by the manufacturer, in compliance with current safety standards and the instructions given in this manual.
Identify the speciﬁc appliance model. The model number is detailed on the packaging and on the appliance data plate.
The appliance must be installed in a well-ventilated room.
Do not obstruct any air vents or drains present on the appliance.
Do not tamper with appliance components.
Appliances of this type are intended for use in commercial applications such as, for example, the kitchens of restau-rants, canteens, hospitals and businesses such as bakers, butchers etc., but they are not intended for the continuous mass production of food.

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 appliance maintenance must be carried out by qualiﬁed technicians authorized by the manufacturer, in compliance with current safety standards and the instructions given in this manual.
For after-sales service, contact technical assistance centers authorized by the manufacturer and demand the use of original spare parts.
Have the appliance serviced at least twice a year. The manufacturer 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 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 Chapter “IN-STRUCTIONS FOR CLEANING”.
Do not store ﬂammable materials in close proximity to the appliance. FIRE HAZARD.
Do not obstruct any air vents or drains present on the appliance.• The appliance must be installed in a well-ventilated room.
Do not obstruct any air vents or drains present on the appliance.
Do not tamper with appliance components .
Do not tamper with appliance components.
Close doors and drawers after use.

REMINDERS FOR THE MAINTENANCE TECHNICIAN

Read this manual carefully. It provides important information for safe installation, use and maintenance of the appliance.
Installation, conversion to a different type of gas and appliance maintenance must be carried out by qualiﬁed technicians authorized by the manufacturer, in compliance with current safety standards and the instructions given in this manual.
Identify the speciﬁc appliance model. The model number is detailed on the packaging and on the appliance data plate.
The appliance must be installed in a well-ventilated room.
Do not obstruct any air vents or drains present on the appliance.
Do not tamper with appliance components .

REMINDERS FOR CLEANING

Clean the satin ﬁnish stainless steel exterior surfaces, the cooking wells and the surface of the hotplates every day.
At least twice a year, have an authorized technician clean the internal parts of the appliance.
Do not use direct or high pressure water jets or steam cleaners to clean the appliance.
Do not use corrosive products to clean the ﬂoor or shelf beneath the appliance.

DISPOSAL OF PACKAGING AND THE APPLIANCE

PACKAGING

The packaging is made using environmentally friendly materials. The plastic recyclable components are:

the transparent cover and the bags containing the instructions manual ( made of polyethylene – PE.).
the straps (in polypropylene – PP).

APPLIANCE

The appliance is manufactured 90% from recyclable metals (stainless steel, aluminum sheet, copper… ).
The appliance must be scrapped in compliance with current regulations governing such disposal.

It must be disposed of properly.
Make the appliance unusable before scrapping.

RISKS DUE TO NOISE

As regards airborne acoustical noise emissions, the A weighted sound pressure level is below 70 dB(A)Instructions for installation

REMINDERS FOR THE INSTALLER

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. Installation, conversion to a different type of gas
and appliance maintenance must be carried out by qualiﬁed technicians authorized by the manufacturer, in compliance with current safety standards and the instructions given in this manual.
Identify the speciﬁc appliance model. The model number is detailed on the packaging and on the appliance data plate.
The appliance must be installed in a well-ventilated room.
Do not obstruct any air vents or drains present on the appliance.
Do not tamper with appliance components

REFERENCE STANDARDS AND LAWS

Install the appliance in compliance with current safety regulations. Install the appliance in compliance with current regulations.

HANDLING

The packaging is marked with warning symbols that indicate the precautions to be taken when handling the appliance to avoid damage. The appliance must only be handled using suitable equipment. If lifting equipment is used, such as forklift trucks or similar, make sure that the appliance is in a stable position .

UNPACKING

Check the state of the packaging and in the event of damage, ask the delivery person to inspect the goods.• Remove the packaging.
Remove the protective ﬁ lm from the exterior and interior pan-els. Use a suitable solvent to remove any residual adhesive from the panels.

POSITIONING

The overall dimensions of the appliance and the position of connections are given on the installation diagram at the start of this manual.
The appliance can be installed singly or in combination with other appliances in the same product range.
The appliance is not suitable for integrated installation.
Position the appliance at least 10 cm from adjacent walls. This distance can be reduced in the presence of non-combustible walls or heat-insulated walls.
Level the appliance by means of the height-adjustable feet.
The countertop appliance weighing less than 40kg, where installed singly, must be secured using the ﬂanged feet pro-vided.

APPLIANCE ASSEMBLY WITH BASE

Follow the instructions provided with the type of support utilized.
JOINING APPLIANCES TOGETHER IN LINE

Place the appliances side by side and adjust the tops to the same height.
Unite the appliances using the special union joint-coverings supplied upon request

FUMES EXHAUST SYSTEM

Provide a fumes exhaust system based on the “Type” of appliance. The “Type” is stated on the appliance data plate. .

APPLIANCE TYPE “A1”

Position the “A1” type appliance below an extractor hood to ensure smoke and fumes generated by cooking are removed.

APPLIANCE TYPE “B21”

Position the “B21” type appliance below an extractor hood.

APPLIANCE TYPE “B11”

Fit the “B11” type appliance with a suitable ﬂue, available from the appliance manufacturer. Follow the assembly instructions provided with the ﬂ ue.
Connect the ﬂue to a 150/155 mm diameter hose, heat resistant to 300°C.
Vent to the outside or into an eﬃcient ﬂue. The hose length must not exceed 3 meters.

CONNECTIONS

The position and dimensions of connections are given in the installation diagram at the start of this manual.
CONNECTION TO THE GAS SUPPLY
Check the compatibility of the gas supply. Check the details given on the decals on the packing and on the appliance. If necessary, convert the appliance to the type of gas utilized. Follow the instructions in the next paragraph “Conversion to a diﬀerent type of gas”. On top appliances a rear connection is also available. Remove the plug present and screw it tightly onto the front connector.

A rapid-action gas shut-oﬀ valve must be ﬁ tted upstream of the appliance in an easily accessible position.
Do not use connection pipes having a diameter smaller than that of the appliance’s gas connector.
Once the appliance has been installed, check for leaks at the connection points.

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 used. For 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 instructions given in a table 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 ).
Aﬃx the adhesive tab indicating the new type of gas used. The nozzles and adhesive tabs are supplied with the appliance.

GAS LAVA STONE GRILL REPLACING THE MAIN BUR-NER NOZZLE AND ADJUSTING THE PRIMARY AIR FLOW.

Remove the control panel.
Unscrew nozzle UM and change it with the proper one according to Table T1.
Loose ﬁxing screw V and operating on the shutter adjust primary air inlet at the distance “A” indicated on Table T1.
Screw down ﬁxing screw V and seal it with red paint.

REPLACING THE MINIMUM ADJUSTMENT 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.

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 the connector R. Re-assemble all parts.
For assembly, proceed in reverse order.

COMMISSIONING

See Chapter “ INSTRUCTIONS FOR MAINTENANCE”.
Instructions for use
REMINDERS FOR THE USER
The manufacturer will not be liable for any damage or injury 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 appliance maintenance must be carried out by qualiﬁed technicians authorized by the manufacturer, in compliance with current safety standards and the instructions given in this manual.
For after-sales service, contact technical assistance centers authorized by the manufacturer and demand the use of original spare parts.
Have the appliance serviced at least twice a year. The manufacturer 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 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 Chapter “ INSTRUCTIONS FOR CLEANING”.
Do not store ﬂammable materials in close proximity to the appliance. FIRE HAZARD.
Do not obstruct any air vents or drains present on the appliance.
Do not tamper with appliance components
The use of personal safety equipment is recommended – risk of very hot food being scattered.
During appliance operation, the ﬂoor surrounding the appliance may become slippery: exercise caution and take all suit-able measures to prevent falls
Take care when handling accessories (e.g. pans) and movable parts of the appliance to use the correct posture.
Appliances of this type are intended for use in commercial applications such as, for example, the kitchens of restaurants, canteens, hospitals and businesses such as bakers, butchers etc., but they are not intended for the continuous mass production of food.

Important
To prevent ﬂame emissions, before operating remove any dirt or oil from previous uses from inside the barbecue or grill.
POSITIONING THE GRILLES
FISH GRID
The cooking grille can be used in two positions: sloping or horizontal.
CAST IRON GRILLES FOR MEAT
The cooking grille can be used in two positions: sloping or horizontal.
STAINLESS STEEL GRILLES FOR MEAT
The cooking grille can be used in positions sloping.
USING THE GAS LAVA STONE GRILL
REMINDERS FOR USE

The appliance is designed for cooking foods directly on the grille ( steaks, hamburgers, ﬁ sh, vegetables, etc.).
The grill must not be used to heat pans or saucepans.

Loading the lava stone

The appliances come complete with 1 packs of lava stone for each brazier (cooking zone).
Each pack weighs 6 kg.
The lava stones have a min. diameter of 25mm, a max. dia-meter of 30mm and a max. length of 50mm, with a +/- 5%tolerance.
Distribute the contents of one pack evenly between the bra-ziers. Do not under any circumstances use more lava stone than recommended.

Grease collection tray

Any grease from cooking which drips into the grill and passes through the brazier is collected in the grease collection tray.
Periodically empty and clean this tray.

BURNER IGNITION AND EXTINCTION

The gas tap control knob has the following positions:

Oﬀ
Pilot ignition
Minimum ﬂame
Maximum ﬂame

Pilot ignition

Press and turn the knob to position “ ”.

Press the knob down fully and light the pilot with a ﬂ ame.
Hold the knob down for about 20 seconds before releasing it. If the pilot ﬂ ame goes out, repeat the operation.

Main burner ignition
Turn the knob from position “ ” to “ ” . Next, depending on cooking requirements, turn the knob to any position between “ ” ja “ ” .
Switching oﬀ To switch the main burner oﬀ , turn the knob to position “ ”. To switch oﬀ the pilot ﬂame, press and turn the knob to position “ ”.

PROLONGED DISUSE

Before any prolonged disuse of the appliance, proceed as follows:

Clean the appliance thoroughly.
Rub stainless steel surfaces with a cloth soaked in Vaseline oil to create a protective ﬁlm.
Leave lids open.
Close the valves and turn oﬀ the electrical power supply at the main switch.

Following prolonged disuse, proceed as follows:

Inspect the appliance thoroughly before using it again.
Allow electric appliances to operate at the lowest tempera-ture for at least 60 minutes

Instructions for cleaning

REMINDERS FOR CLEANING
The manufacturer will not be liable for any damage or in-jury resulting from failure to observe the following rules.

Disconnect the appliance electrical power supply, if present, before proceeding with any operation.
Clean the satin ﬁ nish stainless steel exterior surfaces, the cooking wells and the surface of the hotplates every day.
At least twice a year, have an authorized technician clean the internal parts of the appliance.
Do not use direct or high pressure water jets or steam clean-errs to clean the appliance.
Do not use corrosive products to clean the ﬂoor or shelf beneath the appliance.

SATIN FINISH STAINLESS STEEL SURFACES

Clean the surfaces with a cloth or sponge using water and proprietary non-abrasive detergents. Follow the grain of the satin ﬁ nish. Rinse repeatedly and dry thoroughly.
Do not use pan scourers or other iron items.
Do not use chemical products containing chlorine.
Do not use sharp objects which might scratch and damage the surfaces .

COLLECTION TRAYS
Clean the surface, removing grease, oil, food residue etc.
GAS LAVA STONE GRILL

Lift up and remove the cooking grille and the brazier containing the lava stone.
Proceed to clean the burner around the ﬂame zone and along the ﬂame protector apertures using a wire brush to eliminate all traces of dust, burnt-on residue and refractory material used in the brazier, whilst taking care not to enlarge the ﬂame apertures.

Instructions for maintenance

REMINDERS FOR THE MAINTENANCE TECHNICIAN
The manufacturer will not be liable for any damage or injury 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.
Disconnect the appliance electrical power supply, if present, before proceeding with any operation.
Installation, conversion to a diﬀerent type of gas and appliance maintenance must be carried out by qualiﬁed technicians authorized by the manufacturer, in compliance with current safety standards and the instructions given in this manual.
Identify the speciﬁc appliance model. The model number is detailed on the packaging and on the appliance data plate.
The appliance must be installed in a well-ventilated room.
Do not obstruct any air vents or drains present on the appliance.
Do not tamper with appliance components

CONVERSION TO A DIFFERENT TYPE OF GAS
See Chapter “ Instructions for installation “.
COMMISSIONING
Following installation or any maintenance operations, check appliance operation. In the event of any malfunction, consult the next paragraph “Troubleshooting”..
GAS APPLIANCES :
Switch on the appliance as directed in the instructions and re-minders 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

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 the pressure test point PP and connect the manometer to the test point.
Make the measurement with the appliance in operation. ATTENTION ! 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.
Disconnect the manometer and retighten the retaining screw on the pressure connection.