Lotus CP-74ETX User manual

Translation of the original instructions
Installation and operating instructions
ELECTRIC PASTA COOKER FOR
PROFESSIONAL USE
CP-74ETX CP-78ETX
CPA-74ETX CPA-78ETX
Model LIBR.ISTR.CPX 70E CON SIC.
Code 563022502
Review 1
Edition date 14/11/2019
Language English
LOTUS S.p.A.
Via Calmaor, 46
31020 San Vendemiano
[phone]
[phone]

Contents
Translation of the original instructions
2
Contents
1 INTRODUCTION......................................................................................................................... 3
1.1 Installation drawing...................................................................................................................... 3
1.2 Components................................................................................................................................. 4
1.3 Example installation of the appliance........................................................................................... 9
2 GENERAL INFORMATION......................................................................................................... 10
2.1 Declaration of compliance............................................................................................................ 10
2.2 User information, RAEE Directive on waste electrical and electronic equipment ........................ 11
2.3 Technical data table..................................................................................................................... 11
3 INSTALLATION........................................................................................................................... 12
3.1 Delivery checks ............................................................................................................................ 12
3.2 Removing the packaging ............................................................................................................. 12
3.3 Mechanical installation ................................................................................................................. 12
3.4 Electrical/gas connections ........................................................................................................... 12
3.5 Water connection and drainage................................................................................................... 14
4 INSTRUCTIONS FOR USE......................................................................................................... 15
4.1 General information ..................................................................................................................... 15
4.2 Turning on the appliance.............................................................................................................. 15
4.3 Switching the appliance off .......................................................................................................... 15
4.4 Emptying the tank........................................................................................................................ 16
4.5 Top appliances bowl emptying ..................................................................................................... 16
4.6 Safety thermostat ......................................................................................................................... 16
4.7 Pasta cooker with automatic loading ........................................................................................... 17
4.8 Characteristics of the feed water ................................................................................................. 18
5 MAINTENANCE.......................................................................................................................... 19
5.1 Routine......................................................................................................................................... 19
5.2 Spare parts .................................................................................................................................. 20
6 CLEANING.................................................................................................................................. 21
6.1 Routine cleaning.......................................................................................................................... 21

INTRODUCTION
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1 INTRODUCTION
1.1 Installation drawing
FIG. 1 CP-7..E
A Data Plate
B Electrical connection
D Water connection R 3/4"M
E Water drain R 1"M
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INTRODUCTION
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1.2 Components
FIG. A
1 Knob
2 White indicator light
3 Green indicator light
4 Water discharge
5 Safety thermostat accessibility
6 Threaded closing cap
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INTRODUCTION
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FIG. B CP...
Water filling tap
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FIG. C (ROTARY RESISTANCE)
1 O-rings
2 Rotary heating element
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INTRODUCTION
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WIRING DIAGRAM CP-…ETX (A)
1 Switch
2 Power supply terminal board
3 Switching terminal board
4 Heating element
5 White indicator light
6 Green indicator light
7 Safety thermostat

INTRODUCTION
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WIRING DIAGRAM CPA-…ETX (B)
1 Water level control unit
2-3 Switch
4 Bipolar diverter
5 Water solenoid
6 Bipolar switch
7 Power supply terminal board
8 Switching terminal board
9 Heating element
10 Voltage drop resistance
11 Level probe
12 White indicator light
13 Red indicator light
14 Green indicator light
15 Contactor
16 Transformer

INTRODUCTION
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Wiring diagram reference table
MODELS TERMINAL BOARD
CP-74ETX A
CP-78ETX A + A
CP-74ETX B
CP-78ETX B + B
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INTRODUCTION
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1.3 Example installation of the appliance

GENERAL INFORMATION
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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.

GENERAL INFORMATION
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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
Electrical technical data table CP S70EX
MODEL DIMENSIONS POWER SUPPLY MAXIMUM
POWER (kW)
MAXIMUM INPUT
(A)
Silicon POWER
SUPPLY CABLE
CP-74ETX 40x70x90h 400V~3 50/60 Hz 7,8 11,3 4 x 1,5 mm²
CP-74ETX 40x70x90h 440V~3 60 Hz 7,8 10,23 4 x 1,5 mm²
CPA-74ETX 40x70x90h 400V~3 50/60 Hz 7,8 11,3 4 x 1,5 mm²
CPA-74ETX 40x70x90h 440V~3 60 Hz 7,8 10,23 4 x 1,5 mm²
CP-78ETX 80x70x90h 400V~3 50/60 Hz 15,6 22,61 4 x 2,5 mm²
CP-78ETX 80x70x90h 440V~3 60 Hz 15,6 20,47 4 x 2,5 mm²
CPA-78ETX 80x70x90h 400V~3 50/60 Hz 15,6 22,61 4 x 2,5 mm²
CPA-78ETX 80x70x90h 440V~3 60 Hz 15,6 20,47 4 x 2,5 mm²
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INSTALLATION
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3 INSTALLATION
3.1 Delivery checks
On delivery, it is important to check the following:
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·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
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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.
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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).
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Caution
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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.
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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
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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
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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.
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ELECTRICAL CONNECTION
Caution

In accordance with international provisions, when connecting the appliance an automatic
device must be installed up-line of it so that the device can be fully disconnected from the
mains; this device must have a contact aperture of at least 3 mm.
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.
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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).
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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.
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Warning

The manufacturer is not liable for and does not indemnify damages caused by incorrect
inadequate installations that do not comply with these instructions.

INSTALLATION
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3.5 Water connection and drainage
·It is advisable to connect the appliance to the hot water pipe (max. 60 °C) to reduce heating times; we
also recommend installing a shut-off valve up-line of the appliance
·The discharge pipe must be connected to a suitable drain in compliance with applicable legislation. It is
advisable to connect pipes without bends to avoid bottlenecks or siphon effects. Water is drained by
gravity. Inasmuch, it is essential that the drain is below the exit point of the pipe
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Commissioning: before using the appliance, clean it carefully, especially the tank (see the "cleaning and
care" section). Check the appliance's water connection and operate it in accordance with the instructions
given below
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Warning

The appliance must only be used under surveillance
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Filling with water: make sure that the drain tap lever is in the closed position. Open the tap to fill the tank
with water up to the level indicated by the lower notch.
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INSTRUCTIONS FOR USE
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4 INSTRUCTIONS FOR USE
4.1 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.

Warning

The appliance operates at high temperatures, so the following is necessary:
·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.
·Do not operate the appliance without water in the tank
4.2 Turning on the appliance
·When the appliance is powered up, the red indicator light flashes briefly for about 1/2 second
·If there is no water in the tank, the red indicator light continues flashing
·Open the water tap to fill the tank up to the level mark; filling must be higher than the minimum level
sensor but not exceed the maximum level marked on the tank
·For models with automatic control water filling starts. The desired level can be selected by pressing the
button with symbol ; high level for cooking pasta, low level for steaming

Note
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If the water does not arrive to the level sensor, the level sensor control unit does not permit the
heating element to heat up

·Turn the control knob corresponding to the plate from position "0" to the heating level desired, between 1
and 3
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·The white indicator light turns on as soon as the heating element is powered
4.3 Switching the appliance off

INSTRUCTIONS FOR USE
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Turn the knob to position "0". This control stops the power supply completely
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4.4 Emptying the tank
To perform this operation, open the drain tap (lever in vertical position) which can only be reached from the
door of the cabinet underneath the appliance
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Note

It is advisable to perform this operation using water that is not excessively hot
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4.5 Top appliances bowl emptying
·The user is required to have a suitable recipient for emptying the water/oil
·Insert the drain tube as shown on the drawing, position the container
·Push the safety device upwards against the involuntary openings (A) and move the lever (B)
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Warning

Pay close attention to the distance between the appliance and the edges of the support
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4.6 Safety thermostat
The appliance is equipped with a safety thermostat that cuts off the power supply to the heating element if
the temperature of the heating element rises above 180°C. In the event of dry operation, the thermostat is
triggered after a few seconds. To restore operation, simply remove the threaded nut on the front panel of the

INSTRUCTIONS FOR USE
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appliance and use a screwdriver to press the red button on the thermostat for a few seconds. If the problem
occurs again, even if the tank is full of water, call the assistance service.
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4.7 Pasta cooker with automatic loading
If the probe does not detect water in the tank, the system resets the correct level and after 15 sec. disables
the heating element: an alarm is signalled by the red indicator light flashing. When the probe detects water
again, the heating element is immediately activated and after 3 sec. automatic refilling is interrupted. The
system monitors the filling phase through a TIME-OUT.
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·Slow refilling button
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When the "slow refilling button" is active, the system fills the tank slowly to prevent possible foaming

·Level button

The "level button" defines the level of water in the tank: high level for cooking pasta, low level for steaming

Warning
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Keep the level sensor clean
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Caution

If the probe does not detect water in the tank for more than 15 sec., the system disables the
heating element: an alarm is signalled by the red indicator light flashing. When the probe
detect water again, the heating element is activated and the red indicator light switches OFF.
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INSTRUCTIONS FOR USE
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·TIME-OUT
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Once the level probe is uncovered, the micro-controller activates an internal timer for the duration of this
stage. If the filling lasts (continuously) for more than 350 seconds, the system blocks the operation of the
device and an alarm is signalled by the red indicator light ON steady. To reset the alarm condition, first
eliminate the fault that caused it to trip (broken or disconnected level probes, water system problems, drain
tap open ...) and then switch the system OFF/ON .
4.8 Characteristics of the feed water
The inlet must be supplied with drinkable water having the specific characteristics listed below, otherwise
the warranty will be forfeited

·Total hardness between 0.5 and 5 French degrees to reduce the formation of scale
·Pressure between 50 and 250 kPa (0.5-2.5 bar)
·pH above 7
·Electrical conductivity between 50 and 2000 μS/cm (20 °C)
·Chloride ion concentration (Cl-) not too high (acceptable reference value: 10ppm) to avoid attacking
the internal steel structures
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MAINTENANCE
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5 MAINTENANCE
5.1 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.

MAINTENANCE
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5.2 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:

·SWITCH: Remove the knob and open the panel, unscrew the two screws that fasten the switch/regulator
to the panel, remove all the electrical connections and proceed with replacement

·LEVEL CONTROL UNIT: disconnect the electrical connections that connect it to the sensor, unscrew the
screws that fasten it to the bottom of the appliance and replace it

·ROTARY HEATING ELEMENT; remove the panel and remove the wires connecting the heating element.
Unscrew the two 8 mm screws that fasten the bracket to the heating element and pull out the bracket
until it can be removed. At this point, the heating element can be removed from inside the bowl, pushing
it towards the draught diverter. Also replace the 3 o-rings (see point 1 in figure C) and apply a bit of
grease to facilitate the operation.


Note

It is recommended to replace the three o-rings once a year as they are subject to wear and, with
time, can cause leaks

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.