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interruption in the 
refrigeration 
circuit or there is 
no gas. 

to check that the gas 
expansion temperature is 
correct. 

The machine temperature is 
too cold. 

The thermo 
regulator is not set 
to the correct 
position. 

Adjust the thermo regulator 
as indicated in chapter n° ?. 

The lighting does not work. 

The power supply 
cable is damaged 
or interrupted. 

Remove the bulb cover, see 
Fig. ?, slide out the bulb pins 
from their seat, and replace 
the bulb 
Replace the bulb starters, 
located in the motor 
compartment, and check the 
bulb power supply unit. 

The ventilation does not 
work. 

The fan blades are 
blocked. 

Contact a qualified technician 
in order to identify the cause 
behind the fault. 

The block fan –
open door  switch 
does not work. 

Check that the magnet placed 
on the door is correctly 
positioned. If necessary, bend 
the magnet slightly unit it is 
in the correct position. 

The evaporator 
temperature is not 
could enough. 

Contact a qualified technician 
to check that the refrigeration 
circuit works perfectly, and 
then check the evaporation 
temperature by following the 
instruction in chapter?.  

 
 
 
 
 
 
 
 
 
 
Gurgling and blowing noises caused by the refrigeration circuit are normal. 
 

                                                                          
             

Содержание 3700/00

Страница 1: ... unipersonale Via Bongiasca 762 1 21020 Comabbio VA ITALY Tel 0331 968741 Fax 0331 968721 www longoni it e mail longoni longoni it Cap Soc 13 000 00 i v REA 177524 Varese Mecc VA002116 Reg Soc Trib Varese 17825 C F 06704340154 P IVA IT 01597320124 ...

Страница 2: ... safety precautions 9 10 11 12 9 Preparation of premises and machine installation 13 10 Accessories and assemblage 14 15 11 Start up operation and adjustment 16 12 Control panel 17 18 13 Food hygiene and cleaning 19 14 Maintenance and checks 20 15 Transport handling and storage 21 16 Fault and possible solutions 22 23 17 Emergencies 24 18 Scrapping the machine 24 19 Electric scheme 25 26 27 ...

Страница 3: ... information and instruction on Technical specifications of the machine Scheduled use of the machine Handling and installation of the machine Maintenance and scrapping of the machine This manual should be considered an integral part of the machine which is designed for professional use but can never be substitute for adequate preparation and experience on the part of the user The manufactured remi...

Страница 4: ...of any proposals for improvement of this manual If the machine is sold the customer is kindly requested to inform the manufacturer of the address of the new owner The manufacturer declines all liability for injuries sustained by person or animals or damage to things deriving from a inappropriate use of the machine or use of it by personnel not trained in the use of professional machine b use contr...

Страница 5: ...ANTY CONDITIONS The machine warranty conditions are listed below the duration of the warranty is one year i e 12 consecutive months from the date of purchase the warranty excluded the electrical and electronic part and components the machine which by their nature or as a result of their application are subject to deterioration or wear the warranty lapses if the customer disassembled modifies or at...

Страница 6: ...e provided manufacturer identification machine model serial number CE conformity mark Machine climate class Technical specifications Fig 1 Modello Model 3700 00 Matricola Series N 00A00A0000 Gas R452 A gr 360 Cap 420 lt Volt 220 Hz 50 Watt 500 Classe N LONGONI DIVISIONE FREDDO S r l V Bongiasca 762 1 COMABBIO VA ITALY tel 0331 968741 fax 0331 968721 www longoni it longoni longoni it ...

Страница 7: ...ls are given in the tables below LIGHTING MODELL Type of lighting Power supply Voltage V Ligth power M1 BAR LED 24 V 12 5 W M2 BAR LED 24 V 12 5 W M3 BAR LED 24 V 12 5 W MAXI M1 BAR LED 24 V 12 5 W MAXI M2 BAR LED 24 V 12 5 W DIMENSIONS MODEL Cabinet dimensions Packaging dimensions M1 730x650x1900 830x770x2100 M2 1320x650x1900 1520x770x2100 M3 1940x650x1900 2110x770x2100 MAXI M1 900x650x1900 1030x...

Страница 8: ...tion system 2 10 C 220 240 1 ph T 50 60 2 9 650 Static Refrigeration system Maxi 15 25 C 220 240 1 ph T 50 60 4 900 Static refrigeration system maxi 2 10 C 220 240 1 ph T 50 60 2 9 650 Static refrigeratio system Maxi 2 10 C 220 240 1 ph T 50 60 3 3 720 Ventilated refrigeration system 2 20 C 220 240 1 ph T 50 60 2 5 550 Ventilated refrigeration system 5 20 C 220 240 1 ph T 50 60 4 900 Ventilated re...

Страница 9: ... a remote thermostat for automatic temperature control a ceiling light with an on off switch located on the control panel For a ventilate models a fin pack evaporator installed at the top of the cabinet a axial fan for even temperature distribution 5 20 C half cycle reverse defrosting HELT AND SAFETY PRECAUTIONS The manufacturer has designed and built the machine taking account of the results of a...

Страница 10: ...he moving parts in particular The motor fan is protected by a metal grille and a stainless steel fastening secured by means of screws to prevent access danger of shearing see fig 2 Fig 2 The fan motor protected by a stainless steel grille is installed at the top of the ventilated chilling cabinet see fig 3 Fig 3 ...

Страница 11: ...r electrical component are fitted inside closed compartments in order to prevent any DIRECT contact the direct part The electrical current danger signal is affixed to the electrical panel protection To protect against INDIRECT contacts all the metal parts are earthed by means of an appropriate lead Via the plug socket connection this must ensure electrical continuity between the machine and the ge...

Страница 12: ...s Freon gas R404 and contains no CFC to ensure protection of the ozone layer NOISE PRECAUTIONS The compressor the only possible source of noise is located inside the base and therefore the machine does not produce irritating or harmful noise Fig 5 Fig 5 ...

Страница 13: ...For flush installation leave at least 5 cm between the back grille and the wall Carefully unpack the machine removing the main cardboard box and then all the packaging protection materials Once you have removed the packaging check that the machine is in perfect condition and notify the manufacturer or authorised dealer of any damage found within 48 hours from receipt of the goods For installation ...

Страница 14: ...t display The steel shelf support are to be fitted into the holes in the side brackets for both the rack and glass shelves in accordance with the model fit the adhesive rubber pads when installing the glass shelves See Fig 6 7 8 9 10 Fig 6 Place the glass shelves on the 4 four shelf support See fig 7 Fig 7 ...

Страница 15: ... shelf to be installed or products that are larger than standard size to be displayed See Fig 9 Fig 9 The negative static chilling cabinets also have on optional glass shelf kit which can be placed on the chilled rack Position and fasten the feet which comprise a spacer and cap in the holes on the glass shelf and then place the glass on the chilled racks See Fig 10 Fig 10 ...

Страница 16: ... current local regulation 2 Check that the machine voltage specified in the identification plate corresponds to the line voltage at the socket If not suspend electrical connection and call the manufacturer or authorised dealer 3 Check correct ear thing of the machine an availability of a main bipolar switch with differential 4 If the power supply socket and plug are not the same type have the sock...

Страница 17: ... to switch the light on only when the unit is actually being used Fig 11 KEYBOARD A control panel is installed on the front of the appliance The panel includes a remote thermostat a temperature display an ON OFF button and a light switch SWITCH THE MACHINE ON The cabinet has a power switch Switch this button on to enable the machine which will then display witch will then display the cabinet tempe...

Страница 18: ...tic cabinet must be removed when it is more than 10mm thick then defrost the cabinet manually as follow disconnect the electronic thermo regulator turn the main switch off unplug the unite from the socket interlocked with a switch take all the food out and put in a suitable place open the cabinets door to allow the ice to thaw wait for the ice to thaw completely position the tray under the base an...

Страница 19: ...an the machine parts using a cloth soaked in warm water and neutral detergent never use abrasive powder or detergents that could damage the system internally or externally especially the glass Rinse and dry with a soft cloth Once every 15 days Clean the refrigerator unit condenser with a brush or vacuum cleaner to clean the condenser open the protection grille unscrew below the control panel See F...

Страница 20: ...ct it from oxidation leave the machine door open to prevent the formation of mould bad smells and oxidisation cover the system to protect it from dust MAINTENANCE AND CHECKS Before carrying out any maintenance operation disconnect the electronic thermo regulator tour the main switch off and unplug the unit from the socket interlocked with a switch Once a day Check that the power supply cable is in...

Страница 21: ...ned For storage of the machine use dry ventilated rooms and protect the machine with a tarpaulin The manufacturer accepts no liability for damages caused by operations that have been performed incorrectly Procedures for unloading the machine by means of a forklift truck Step 1 Unload the machine still packed from the lorry with utmost caution Step 2 Rest the machine gently on the ground Step 3 Rem...

Страница 22: ...fied technician to restore the current The thermo regulator is off Switch the thermo regulator as indicated in chapter n The thermostat is not set at the correct temperature Adjust the thermo regulator by following the instruction in charter The compressor does not work Check the condition of the compressor If necessary contact a qualified technician to replace it with another one of the same type...

Страница 23: ... the motor compartment and check the bulb power supply unit The ventilation does not work The fan blades are blocked Contact a qualified technician in order to identify the cause behind the fault The block fan open door switch does not work Check that the magnet placed on the door is correctly positioned If necessary bend the magnet slightly unit it is in the correct position The evaporator temper...

Страница 24: ... the instructions given in this manual are followed In the event of imminent danger turn the main switch off unplug the unit from the socket interlocked with switch and call the manufacturer or authorised dealer to request the services of a qualified technical If current dispersion occurs on contact with metal parts of the machine turn the main switch off unplug the unit from the socked interlocke...

Страница 25: ...25 ELECTRIC DIAGRAM NEGATIVE TEMPERATURE STATIC SYSTEM ...

Страница 26: ...26 ELECTRIC DIAGRAM POSITIVE TEMPERATURE STATIC SYSTEM ...

Страница 27: ...27 ELECTRIC DIAGRAM VENTILATE SYSTEM ...

Страница 28: ...tion pour utilisation commerciale auquel cette déclaration se réfère est conforme aux directives suivantes E El suscrito nombrado representante legal de la LONGONI DIVISIONE FREDDO Srl Via Bongiasca 762 1 COMABBIO VA ITALIA declara que el aparato de refrigeración para uso comercial al cual se refiere esta declaración cumple las siguientas directivas D Der Unterzeichner rechtlicher Vertreter der LO...

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