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Installation and operating instructions
PROFESSIONAL GAS FRYER
F18-74GD.. F2/18-78GD..
Model LIBR.ISTR.F70G PREMIX
Code 5630524A0
Review 1
Edition date 30/10/2024
Language English
LOTUS S.p.A.
Via Calmaor, 46
31020 San Vendemiano
+39 0438 778020
+39 0438 778277
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Contents
Contents
1 INTRODUCTION......................................................................................................................... 3
1.1 Installation drawing...................................................................................................................... 3
1.2 Example installation of the appliance........................................................................................... 7
2 GENERAL INFORMATION......................................................................................................... 8
2.1 Declaration of compliance............................................................................................................ 8
2.2 User information, RAEE Directive on waste electrical and electronic equipment ........................ 9
2.3 Technical data table..................................................................................................................... 9
3 INSTALLATION........................................................................................................................... 10
3.1 Delivery checks ............................................................................................................................ 10
3.2 Removing the packaging ............................................................................................................. 10
3.3 Mechanical installation ................................................................................................................. 10
3.4 Electrical/gas connections ........................................................................................................... 10
3.5 CARBON DIOXIDE SETTING (CO2) .......................................................................................... 14
3.6 Rules for converting and installing for other types of gas............................................................ 16
4 BURNERS TECHNICAL DATA TABLE (ITGB).......................................................................... 19
4.1 Burners technical data table ........................................................................................................ 19
4.2 Calibration parameter table.......................................................................................................... 19
5 INSTRUCTIONS FOR USE......................................................................................................... 20
5.1 General information ..................................................................................................................... 20
5.2 PREMIX GAS FRYERS............................................................................................................... 20
5.3 Safety thermostat ......................................................................................................................... 21
5.4 Instruction tutorial video ............................................................................................................... 21
5.5 Accessories.................................................................................................................................. 21
5.6 MAIN OPERATIONS .................................................................................................................... 22
5.7 Error Table ................................................................................................................................... 24
6 MAINTENANCE.......................................................................................................................... 25
6.1 Routine......................................................................................................................................... 25
6.2 Spare parts .................................................................................................................................. 26
6.3 BEHAVIOUR IN THE EVENT OF PROLONGED INTERRUPTION OF OPERATION ................ 26
7 CLEANING.................................................................................................................................. 27
7.1 Routine cleaning.......................................................................................................................... 27
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INTRODUCTION
1 INTRODUCTION
1.1 Installation drawing
FIG. 1 F18-74GD.., F2/18-78G..
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INTRODUCTION
A Data Plate
C Gas connection
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INTRODUCTION
FIG. A ELECTRICAL WIRING DIAGRAM F18-74GD.., F2/18-78G..
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Electrical technical data table
MM Single-phase power supply terminal block
SB White indicator lamp
CS Spark control unit
SEG Gas solenoid valve board
SDG Digital gas board
PL Illuminated button
VE Fan
MS Lift motor
TS Safety thermostat
MP Pump motor
SDC Digital control board
DM - RC Tap closed sensor microswitch
DM - BG Pan in guide sensor microswitch
DM - BP Pan on floor sensor microswitch
DM - RA Tap open sensor microswitch
RC Buzzer voltage drop resistor 56Kohm
TF Transformer
SDD Digital display board
TK Thermocouple K
SSO Oil detector safety sensor
INTRODUCTION
MODELS FIG.A
F18-74GD.. A
F2/18-78GD.. A + A
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INTRODUCTION
1.2 Example installation of the appliance
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GENERAL INFORMATION
2 GENERAL INFORMATION
2.1 Declaration of compliance
The manufacturer declares that the appliances comply with the requirements of the regulation GAR
2016/426 for the gas part and directive 2014/30/EU,2014/35/EU for the electrical part. Installation must be
performed in compliance with current regulations, especially with regard to ventilation of the premises and
the exhaust gas evacuation system.
· Read the warnings in this manual carefully. They provide important information about safe installation,
use and maintenance.
· The instruction manual must be kept for the entire duration of the equipment and made available to users
for every possible consultation. The manual should be consulted for any information concerning
installation, use and maintenance of the appliance.
· After removing the packaging, check the integrity of the equipment.
· All packaging materials (plastic bags, polystyrene, staples, etc.) must be disposed of in compliance with
current regulations.
· Before connecting the appliance, make sure that the information on the data plate matches the electricity
and gas mains where the appliance is installed. The manufacturer accepts no liability if the
equipment is not connected in accordance with current regulations.
· Always keep all parts of the equipment clean to avoid the risk of oxidation/rust and/or aggression by
chemical agents.
· The equipment must only be used by personnel trained for the purpose.
· The installation must be implemented by professionally qualified personnel in accordance with
the manufacturer's instructions and current reference standards.
· The electrical safety of this equipment is only ensured when it is correctly connected to an effective
ground/earth system as required by current electrical safety standards. The manufacturer cannot be held
liable for any damage caused if the system is not connected to ground/earth.
· Before carrying out any cleaning or maintenance tasks on the equipment, unplug it from the electricity
mains. In the event of faults or malfunctions, always deactivate the appliance.
· Repair work of any kind must only be performed by qualified personnel.
· This appliance must only be used for its expressly intended purpose for cooking or heating food. Any
other use is considered improper.
· The appliance is intended for professional use and must be used by trained personnel.
· The installation and possible transformation to another power supply voltage (if envisaged), or
transformation for operation with another type of gas, must be implemented exclusively by qualified and
authorised professional personnel.
· Before using the appliance, carefully clean all surfaces intended to come into contact with food.
· The manufacturer declines any and all liability for any direct or indirect damage resulting from improper
use of the equipment. The manufacturer declines any and all liability for damage caused by incorrect
installation, tampering, poor maintenance and unskilled use. Moreover, the manufacturer declines any
liability for possible inaccuracies that may be contained in this booklet attributable to errors in
transcription or printing and equally reserves the right to make any changes to the product it deems
useful and/or necessary without compromising its essential characteristics.
· The manufacturer cannot be held liable for any damage caused by failure to comply with these
basic standards and all other use and maintenance standards contained in this booklet.
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GENERAL INFORMATION
2.2 User information, RAEE Directive on waste electrical and
electronic equipment
With regard to the regulatory framework of reference of the European Community, we remind the user of the
following:
· Used AAE (Electrical and Electronic Equipment) products must be collected separately
· The user can carry out this collection in the RAEE collection systems and return the equipment to the
distributor when purchasing a new one
· Plus being RoHS compatible, (in accordance with Directive 2011/65/EU on the restriction of the use of
certain hazardous substances in electrical and electronic equipment) the potential effects on the
environment and human health may be due to the misuse of the same equipment or parts of it
· The symbol next to the rating plate indicates the obligation of separate collection
· The penalties provided for in the event of improper disposal of RAEE (Waste Electrical and Electronic
Equipment) are those provided for by the national transpositions of European Directives 2012/19/EU
2.3 Technical data table
Technical data table F S70GD
TOTAL RATED
MODEL DIMENSIONS
GAS FITTING
ISO 10226-1
RATED
TOTAL GAS
FLOW (kW)
ELECTRIC
POWER
CONSUMPTION
TANK CAPACITY
(lt)
(230 V~)
F18-74GD 40x70x90h R 3/4GM 18 0,05 18
F2/18-78GD 80x70x90h R 3/4GM 36 0.1 18 + 18
F18-74GDP 40x70x90h R 3/4GM 18 0,3 18
F2/18-78GDP 80x70x90h R 3/4GM 36 0,6 18 + 18
F18-74GDPS 40x70x90h R 3/4GM 18 0,65 18
F2/18-78GDPS 80x70x90h R 3/4GM 36 1,3 18 + 18
Technical data table F S70GD (maximum load per tank)
MODEL
F18-74GD 2 22
F2/18-78GD 2 22 + 22
F18-74GDP 2 22
F2/18-78GDP 2 22 + 22
F18-74GDPS 2 22
F2/18-78GDPS 2 22 + 22
MAXIMUM LOAD PER
TANK (Kg)
PRODUCTIVITY
(Kg/h)
GD = Digital touch
GDP = Digital touch with pump
GDPS = Digital touch with pump and basket lifters
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INSTALLATION
3 INSTALLATION
3.1 Delivery checks
On delivery, it is important to check the following:
· External conditions of the packaging
· The general status of the equipment
· The conformity of the model with the information in the technical data plate and the instruction manual
· The conformity of the equipment and components to the order form
3.2 Removing the packaging
While removing the packaging, take care not to damage the appliance. Remove the protective film from the
stainless steel and eliminate any traces of glue. Do not smoke. Perform this operation away from sources of
heat and wear protective gloves. Do not disperse packaging material in the environment, keep it out of the
reach of children and dispose in compliance with current legislation.
3.3 Mechanical installation
Place the appliance on a flat base. Adjust and stabilise the appliance by acting on the support feet. Make
sure that the surrounding walls and/or equipment are capable of withstanding the heat emitted by this
appliance. Connect the water supply (if necessary).
Caution
Do not install the appliance near equipment/machines used in cold processes. If the
appliance has to be installed close to cold process equipment, it is advisable to install
non-combustible thermal insulating material and/or neutral elements between them.
3.4 Electrical/gas connections
Before being offered for sale on the market, the appliance was subjected to gas and electrical testing (as
required). The appliance is supplied without a power cable. The installation technician must connect the
equipment in compliance with current safety regulations on the basis of the power of the appliance.
Note
The ID plate is located in the compartment inside the door for appliances with compartments, or on
the left side for appliances with an oven or a top. A second plate with the model and serial number
is located inside the dashboard and a third is included with the certificate of conformity. The serial
number can also be tracked from the sales document (after 2008). The plate has all the data
needed for correct electrical installation. The installation and possible conversion to another power
supply voltage (if envisaged) must be implemented exclusively by professionally qualified and
authorized personnel. Before using the appliance, carefully clean all surfaces intended to come into
contact with food.
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INSTALLATION
Warning
Installation operations, any conversion to other types of gas and start-up must only be
performed by qualified personnel, in accordance with current regulations.
Gas systems, electrical connections and premises where the appliances are installed must comply with
current regulations in the country of installation; in particular, the appliance must be installed in a room with
good ventilation, if possible under a suction hood to ensure complete evacuation of the exhaust gases
formed during combustion. The air required for combustion is 2 m3/h per kW of installed power. The
appliance can be installed alone or in series with other appliances in our production range. A minimum
distance of 10 cm between appliances must be respected to prevent contact with any walls made of
flammable material; furthermore, appropriate measures should also be adopted to ensure the thermal
insulation of flammable parts, such as the installation of heat shields; take special care to ensure that
appliances are installed in an appropriate and safe manner. The support feet can be adjustable in height and
any unevenness can therefore be eliminated.
ELECTRICAL CONNECTION
Caution
For direct connection to the grid, a device must be provided to ensure disconnection from
the grid, with a contact opening distance that allows complete disconnection under
overvoltage category III conditions, in accordance with the installation rules
The connection terminal is located behind the rear wall. Proceed as follows to install the power supply cable:
· Remove the rear panel.
· Pass the new connection cable through the cable gland, connect the leads to the corresponding terminal
on the terminal block and fasten them securely.
· Lock the cable with the cable gland and refit the panel. The earth/ground lead must be longer than the
others so that if the cable gland breaks it is disconnected after the power cables.
Note
Make sure that the mains voltage complies with the data on the appliance's ID plate and that there
is good conductivity to earth/ground. Pay attention when inserting leads to ensure they do not
obstruct the normal course of work and routine appliance cleaning operations. Also make sure that
the power cable is never pulled taut and is not placed in contact with sources of heat.
Note
The connection cable must have the following characteristics: it must be silicone type (to
withstand temperatures of 180 °C), and must have an appropriate cross-section for the
power of the appliance (see technical data table).
EQUIPOTENTIAL
The appliance must be connected to an equipotential system. The connecting screw is located on the rear of
the appliance and is marked by the yellow symbol above it.
Warning
The manufacturer is not liable for and does not indemnify damages caused by incorrect
inadequate installations that do not comply with these instructions.
GAS CONNECTION
The gas connection (see installation drawing) must be implemented using steel or copper pipes or steel
hoses, in compliance with applicable national standards. All appliances must be equipped with a gas shut-off
valve and fast-closing valve. Once installation is complete, make sure that there are no gas leaks from the
fittings; to do this, do not use a naked flame but substances that do not cause corrosion, such as solutions of
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INSTALLATION
soapy water or leak detectors. All our appliances are subjected to detailed examination: the type of gas,
pressure in use and the pertinent category are indicated on the data plate (see attachment).
Warning
The connection to the mains gas supply may be made with a stainless steel flexible hose up
to 2 metres long. The gas supply pipe or hose must comply with national requirements in
force and must be checked periodically and replaced if necessary
Caution
When installing the appliance, check that the settings are compatible with the specifications
of the local gas mains supply, the nature of the gas and the pressure; if applicable, check
that the specifications of the local mains power supply are compatible with the electrical
data on the data label
Note
The year of construction of the appliance is indicated under "N" on the data plate. The first 2 digits
indicate the year of construction.
· THERMAL OUTPUT CONTROL
The appliances must be checked in order to verify that their thermal output is correct:
· Thermal output is indicated on the appliance's data plate;
· Firstly, make sure that appliance is set for the type of gas used and then make sure that the indication on
the data plate matches this gas. To adapt the appliance to another type of gas, make sure that the type of
gas in question complies with the information in this instruction manual.
Warning
Pressure is measured with a pressure gauge (minimum resolution of 0.1 mbar) mounted on
the appropriate socket. Remove the M6 locking screw and insert the pressure gauge tube.
The test must be performed with all the burners on the appliance switched on and all the
appliances in the same line switched on. After taking the measurement, replace the screw,
firmly tighten and check the seal.
Liquid gas connection G30 / G31
The liquid gas connection pressure is 30 mbar for butane and 37 mbar for propane. Check the data plate,
measure the pressure and verify that the description of the nozzle installed matches the information provided
by the manufacturer.
Methane gas connection H G20
The methane gas connection pressure is 20 mbar. Check the data plate, measure the pressure and verify
that the description of the nozzle installed matches the information provided by the manufacturer.
Caution
Do not connect appliances to a mains gas supply delivering gases containing carbon
monoxide or other toxic components
· INSTRUCTIONS FOR EVACUATING EXHAUST GASES
- Type "A3"' appliances (see data label)
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INSTALLATION
"A" type appliances must discharge combustion products into appropriate hoods, or similar devices,
connected to an efficient fume stack or directly to the outside. (Natural evacuation) Fig. 1
If this is not possible, using an air suction device connected directly to the outside is permitted (Forced
Evacuation) Fig.2, having a flow capacity not lower than the value defined in point 4.3 of the UNI-CIG 8723
standard.
- In the case of forced evacuation
The gas supply to the appliance must be directly servo-controlled by the system and must stop if the flow
rate drops below the values indicated in point 4.3 of the UNI-CIG 8723 standard. Resetting the gas supply to
the appliance must be possible only by hand.
1 Extractor hood
2 Servo system
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INSTALLATION
3.5 CARBON DIOXIDE SETTING (CO2)
Once the appliance has been switched on, the installer must set the CO2 values (maximum/minimum). This
type of operation/calibration must be carried out using a combustion meter.
1. Open the door(s), remove the protective panel above the oil collection pan(s) and operate the gas valve
as shown in the image below
2. Switch on the appliance
3. Insert the combustion meter probe into the flue
A = Plug
B = Minimum setting screw
C = Maximum setting screw
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INSTALLATION
SETTING MAXIMUM VALUE
Insert the 2.5 Allen key in position "C" and adjust the (CO2) value according to the table "calibration
parameters"
Note
Turn the screw by just a few degrees at a time. After change in screw setting, wait about 10-15
seconds for the measurement to stabilise
· To increase the CO2 Max setting, turn the maximum screw anticlockwise
SETTING MINIMUM VALUE
A = Threaded plug
B = Hex socket adjustment screw
Remove the plug, Insert the 4 mm Allen key in position "B" and adjust the (CO2) value according to the table
"calibration parameters"
Note
Turn the screw by just a few degrees at a time. After change in screw setting, wait about 10-15
seconds for the measurement to stabilise
· To increase the CO2 Min setting, turn the minimum screw clockwise
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INSTALLATION
Warning
For optimum calibration, the maximum/minimum settings must be made at least a couple of
times
3.6 Rules for converting and installing for other types of gas
Our appliances are tested and regulated for use with liquid or natural gas. Conversion or adaptation to other
types of gas must be carried out by a specialised technician. A reducer ring (Ø 6.5 mm) for use with LPG gas
is supplied with the fryer, inside a special bag. No ring is necessary for use with methane.
· Remove the right hand side panel of the appliance. This allows access to the gas valve connector from
the side
· Open the door and remove the font panel to allow access to the gas valve connector from the front
· Remove the fastener screws of the gas valve connector. This allows installation of the Ø 6.5 mm reducer
ring for used with G30/G31 (LPG) only
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INSTALLATION
- PREMIX FRYER REDUCER RING (FOR LPG)
Caution
When converting to another type of gas, always repeat the calibration procedure
Note
Once the appliance has been converted for use with a different type of gas or a different pressure
than the one to which it was previously set, the new setting indications must be shown in place of
the previous indications to provide clear identification of the appliance's status after the change.
See gas conversion label
Examples (G20, or, G30/G31):
Caution
After conversion, seal the setting components
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INSTALLATION
Warning
On delivery of parts for converting to a different gas type or pressure, the instructions must
provide sufficient and clear information on the replacement of parts, on cleaning, adjusting
and testing the appliance, and on replacing seals and gaskets, if necessary, after
conversion
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BURNERS TECHNICAL DATA TABLE (ITGB)
4 BURNERS TECHNICAL DATA TABLE (ITGB)
4.1 Burners technical data table
Technical data table F S70GD burners
12.68
kWh/KG
G30
30,37,50 mbar
F18-74GD
Consumption 1,420 kg/h 1,399 kg/h 1,905 m³st./h 2,214 m³st./h 2,166 m³st./h 2,647 m³st./h
F2/18-78GD
Consumption 2,840 kg/h 2,798 kg/h 3,81 m³st./h 4,428 m³st./h 4,332 m³st./h 5,294 m³st./h
12.87
kWh/KG
G31
37 mbar
9.45
kWh/m3st.
G20
20 mbar
8.125
kWh/m3st.
G25
25 mbar
8.311
kWh/m3st.
G25.3
25 mbar
6.803
kWh/m3st.
G2.350
13 mbar
4.2 Calibration parameter table
Calibration parameter table F S70GD (MAXIMUM)
RATED
GAS
G20 20 Fuchsia / 18 164 10.4 75
G25
cat. I 2Esi
G25.3 25 Fuchsia / 18 174 9,94 80
G2.350 13 Fuchsia / 18 180 9,52 82
G30 30,37,50 Fuchsia 650 18 155 12,43 90
G31 37 Fuchsia 650 18 155 12,43 90
PRESSURE
mbar
25 Fuchsia / 18 174 10,45 80
RING
FOR MIXER
INJECTOR
1/100
THERMAL
POWER
kW
Hz
MAXIMUM
CO2 %
MAXIMUMHzIGNITION
Calibration parameter table F S70GD (MINIMUM)
REDUCED
GAS
PRESSURE
mbar
RING
FOR MIXER
INJECTOR
1/100
THERMAL
POWER
Hz
MINIMUM
CO2 %
MINIMUMHzIGNITION
kW
G20 20 Fuchsia / 6 65 10,35 75
G25
cat. I 2Esi
G25.3 25 Fuchsia / 6 67 9,6 80
G2.350 13 Fuchsia / 6 70 9,25 82
G30 30,37,50 Fuchsia 650 6,4 62 13,25 90
G31 37 Fuchsia 650 6,4 62 12,56 90
25 Fuchsia / 6 67 10,31 80
· To increase the CO2 Max setting, turn the maximum screw anticlockwise
· To increase the CO2 Min setting, turn the minimum screw clockwise
· The CO2 value has a tolerance of ± 0.5% relative to the value indicated in the table
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INSTRUCTIONS FOR USE
5 INSTRUCTIONS FOR USE
5.1 General information
This appliance must only be used for its expressly intended purpose for cooking or heating food. Any other
use is considered improper. The appliance is also intended for industrial use and must only be used by
personnel trained for use and aware of the risks that the hot element entails.
Fryers are used to fry potatoes, fish, vegetables, etc.
Warning
The appliance operates at high temperatures, so the following is necessary:
· Never switch the fryer on without oil in the tank
· Pay attention to the areas surrounding the hot surface during routine normal operation
(danger of scalding);
· RISK OF BURNS Do not touch hot surfaces floor with your hands or other parts of the
body to avoid burns caused by high temperatures;
· After switching off the appliance, wait for a sufficient time for it to cool before carrying out
any cleaning or maintenance operation.
· The appliance must be used for food frying with oil by competent personnel
· Do not fill the tank when the fryer is hot
· Do not use flammable solvents and cleaning products
· The oil level must always be between the MIN and MAX limit indicated in the tank
· Maximum basket load for tank: see technical data table
· Do not put water or excessively moist food into the hot oil tank
· Do not use the appliance for any purpose other than cooking food
Caution
The appliance must be supervised at all times when switched on
5.2 PREMIX GAS FRYERS
Premixed gas cooking appliances are devices which use a mixture of gas (usually methane or LPG) and air
to fuel the combustion process. These appliances are designed to provide more efficient and controlled
combustion than conventional gas cookers. These appliances work as follows:
1. Premixing: The premixing process takes place before the mixture of gas and air reaches the combustion
chamber. A fan or aspirator system feeds air into the system, mixing it with the gas. This combination results
in an optimal mixture for combustion
2. Ignition: Once the mixture of gas and air is ready, a spark is ignited (usually by a spark plug), which starts
combustion. This combustion takes place inside a combustion chamber designed to contain and control the
process
3. Combustion: The premixed mixture burns more thoroughly than in conventional combustion systems,
reducing flue gas emissions and improving energy efficiency. The resulting flame is generally more stable
and uniform
4. Temperature control: Many of these appliances are equipped with control systems that allow the flame
and, as a result, the cooking temperature to be adjusted. This allows for greater precision in food preparation
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INSTRUCTIONS FOR USE
5. Safety: Premixed gas cooking appliances often include advanced safety systems, such as gas leak
detection sensors and automatic shut-off systems in case of malfunction
Note
In short, premixed gas cooking appliances offer advantages in terms of efficiency, control
and reduced emissions
5.3 Safety thermostat
The appliance is equipped with a safety thermostat (one per tank) which interrupts the ELECTRICAL/GAS
flow if the temperature of the oil bath exceeds the pre-set maximum value (230 °C). Safety intervention is
signalled by the main burner and the pilot burner both switching off. If this happens, operations can be reset
by fully pressing the red button on the safety thermostat. If the problem occurs again, call the assistance
service so that the causes can be eliminated.
5.4 Instruction tutorial video
To use the device, see https://www.youtube.com/watch?v=9XTFH1oiYqA and
the following QR Code:
5.5 Accessories
During filtering, a filter is fitted to prevent splashes of oil from escaping from the tank, see images below:
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5.6 MAIN OPERATIONS
INSTRUCTIONS FOR USE
Ignition
· Pressing on the ON/OFF symbol activates an animation. If you release the touch button during the
animation, the system returns to the previous condition, otherwise, once the animation has ended, the
appliance displays the Home screen
· HOME Page
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INSTRUCTIONS FOR USE
· WORK mode
Draining
· Tap CLEAN from the HOME screen to drain the appliance. At this point, the oil may be simply be drained
or cleaning and/or washing cycles may be run by following the relative instructions, which first involve
emptying the tank
Cleaning
· On appliances equipped with a pump only, the tank may be cleaned by simply tapping CLEAN/CLEAN
TANK and then following the complete guided procedure. Alternatively, after emptying the tank, clean as
usual with conventional methods (see cleaning notes)
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Warning
All cycles are self-guided. The operator simply has to follow the step-by-step procedure
shown on the display. After each step, the operator must confirm in order to move on to the
next step
5.7 Error Table
Error EN
Errors EN
E00 cold junction failure
E01 TC1 probe failure
E02 TC2 probe failure
E03 Electronic board temperature alarm
E04 Oil high temperature
E05 TC3 probe failure
E06 TC4 probe failure
E07 Oil low level
E08 Add oil until maximum level
E09 Oil safety thermostat
E10 No gas alarm
E11 Fan 2 safety
E12 Oil drain tap open
E13 Resistor position error
E14 No communication with base card
INSTRUCTIONS FOR USE
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MAINTENANCE
6 MAINTENANCE
6.1 Routine
When using the appliance over time, it is essential to perform regular maintenance to ensure safe operation.
We therefore recommend stipulating a service contract.
Caution
Maintenance must only be performed by specialist personnel in compliance with current
regulations and our own instructions.
Before carrying out any maintenance and/or cleaning operation:
· Disconnect the appliance from the mains power supply and/or close the gas.
· Wait for a sufficient time for the appliance to cool down.
· Do not wash the appliance with direct or high-pressure jets of water, since any infiltration of water into the
electrical components could jeopardise correct operation of the appliance and its safety systems.
Warning
For maintenance/replacement of components, order and use only original spare parts.
Replacing parts must exclusively be performed by authorised and/or qualified personnel. When replacing the
electrical components of the machine and the electrical panels, scrupulously follow the technical
characteristics for the replacement component indicated on the component itself. The appliance does not
require any special maintenance but during the use of the equipment it is advisable to check the following at
least once a year (possibly increasing the frequency depending on the degree of use):
· The status of connections especially on the terminal board and the power supply cable, as well as the
status of the gas connections;
· The operating condition of the various components (perform a functional test);
· For appliances fitted with rotary resistances, remove the hub, grease it and replace the three o-ring seals
to avoid possible leaks.
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MAINTENANCE
6.2 Spare parts
It is possible to replace parts such as the valve, the piezoelectric or the ignition control unit (depending on
the type of appliance) or the gas pipes easily and quickly.
To replace such parts, proceed as follows:
· FAN/MIXER; on single tank appliances, remove the right side panel to gain access to these two
components, unscrew the fastener screws, remove the electrical contacts and replace the unit. In dual
tank appliances, the fan/mixer of the left hand tank can be removed by working (simultaneously) from
both the front and the rear. In this case, the back of the appliance must be removed
· TEMPERATURE PROBE; Remove the dashboard and front panel, disconnect the two probe contacts
and unscrew the fastening coupling. Now, from inside the tank, unscrew the bulb holder bracket and slide
out the probe.
· PUMP; Remove the side panel (or side panels on dual tank appliances) of the appliance and unscrew all
the connector fittings. Now remove the pump and replace it
· TOUCH ELECTRONIC BOARD; Remove the dashboard, disconnect the probe and unscrew the four
fastening nuts to remove it. It can now be replaced. It is advisable to take a photo before removing all the
connections to facilitate assembly of the new component.
· IGNITION CONTROL UNITS; Remove the side panel (or side panels on dual tank appliances) of the
appliance, unscrew the screws and replace the units
Caution
WHAT TO DO IN THE EVENT OF FAULTS:
Close the gas connection cock and/or switch off the power using the up-line device. Notify
customer service.
Warning
MEASURES TO BE TAKEN IF THE APPLIANCE IS NOT TO BE USED FOR A LONG TIME:
Close the gas cock and/or disconnect the power supply. Clean the system as specified
above.
6.3 BEHAVIOUR IN THE EVENT OF PROLONGED INTERRUPTION
OF OPERATION
Warning
Important: If the machine is to remain stationary, run a clean oil cycle after the flushing
cycle to prevent fouling of the pump and pipes.
Clean and dry the unit thoroughly according to the instructions. Disconnect the power supply.
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CLEANING
7 CLEANING
7.1 Routine cleaning
Caution
The use of flammable fluids to clean the appliance is forbidden
To ensure hygiene and the durability of the appliance, perform external cleaning on a regular basis, taking
care not to damage the cables and the electrical connections. Before starting cleaning, disconnect the
appliance from the power supply. Parts in steel can be washed with warm water and a neutral detergent:
Rinse them thoroughly to eliminate all traces of detergent and then dry with a dry cloth. Do not use abrasive
and corrosive detergents. Enamelled parts must be washed with soapy water. For appliances that included
an oven, cleaning it is made easier by removing the support grid. Thorough, daily cleaning prevents faults
and accumulated deposits of fat and/or food. The steels used in the manufacture of professional equipment
are tried and tested materials of the highest quality. Thanks to their characteristics, they are ideal materials
for use with food substances.
Consequently, when using stainless steel appliances, the following suggestions must be observed:
· Stainless steel surfaces must always be kept clean, also ensuring contact with the air. The lack of oxygen
under layers of scale, starch, egg white or other deposits means that surfaces can be affected by
corrosion
· Do not use products containing salt or sulphuric acid to remove scale. Suitable products are available
commercially but a diluted solution of acetic acid can also be used
· To clean STAINLESS STEEL appliances, it is advisable to use detergents specifically formulated for this
material. For "minor cleaning", a mild washing up liquid solution may also be used
· Do not wash the appliance with jets of water under pressure
· Avoid using detergents containing abrasive powders or bleaches of any kind
· Lockable stainless steel appliances, during periods of inactivity, must be left uncovered so that air can
freely access internal metal surfaces
· Stainless steel must not remain in contact for long periods with concentrated acids or with aromatised
concentrates such as salt solutions, mustard, spice mixtures or the like. At certain temperatures and
concentrations, these substances can damage the passive layer. Contact surfaces must therefore be
immediately rinsed with clean water and then dried
· It is inadvisable to use stainless steel pots exclusively to cook foods in salt water (pasta, rice, potatoes,
etc.). From time to time, these pots must also be used to cook foods containing fats or vegetables. This
helps to prevent damage caused by corrosion
· After cooking foods in salt water, rinse the tanks with fresh water since salt water residues from cooking
form layers of highly concentrated saline solution that can cause spotting corrosion
· To prevent so-called secondary corrosion, prolonged contact of stainless steel with ferritic steels should
be avoided
· Any secondary corrosion spots must be eliminated immediately
· Do not use sharp objects that may scratch stainless steel parts and consequently give rise to
deterioration
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