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22 

 

CAUTION 

To prevent risk of cuts to hands, use protective gloves. 

CAUTION 

RISK OF ELECTRIC SHOCK 

Switch off the electrical current (power), before servicing the unit. 

CAUTION 

Do not use solvents 

4.2.

 

ORDINARY MAINTENANCE 

 

To always obtain a good functioning of the equipment, it is necessary to periodically: 
-Verify weekly that the evaporator is clean, without accumulation of ice. 
-Monthly (at least) perform a cleaning of the condenser (the periodicity of this cleaning depends mainly on 
the environment where said unit has been installed). This operation must be carried out with the equipment 
stopped: it is advisable to use a jet of air from the outside to the inside. When this is not possible, use a long 
bristle brush from the outside of the condenser. 

 

 

 

 

 

4.3.

 

PERIODICAL AND PREVENTIVE MAINTENANCE 

 

Check every four months: 

 

-

 

The state of wear of the electrical contacts and the contactors, cleaning them and, if necessary, replacing 

them. 
-That the wiring and all terminals are properly tightened. 
-Visually check the entire refrigeration circuit (components, materials, containers, and pipes) to detect 
possible external corrosion, oil residues or possible losses. Check the oil level. 
-Make control of refrigerant gas leaks. 
-Check the operation of all the measuring, control and safety devices, as well as the protection and alarm 
systems to verify that their operation is correct and that they are in perfect condition. 

 

Every five years check the entire refrigeration system (including safety valves and inspection of pressure 
equipment). Control the energetic performances of the installation. 

 

4.4.

 

SERVICING TO BE CARRIED OUT BY QUALIFIED STAFF 

 

There follows a list of maintenance operations requiring specific technical skills and which must therefore be 
carried out by authorised, qualified staff. 

 

The user must NOT carry out the following operations under any circumstances: 

-

 

replacement of electrical components 

-

 

manipulation of the electrical system 

-

 

repairs to mechanical parts 

-

 

manipulation of the refrigeration system 

-

 

manipulation of the control panel or the On, Stop or Emergency switches 

-

 

manipulation of the protective and safety device systems 

-

 

cleaning the condenser 

Содержание MONOTOP R290

Страница 1: ...INSTALLATION USER AND MAINTENANCE MANUAL N IN00xxxxx A 02 2022 Refrigeration monoblock unit MONOTOP R290...

Страница 2: ......

Страница 3: ...S 11 3 2 ELECTRICAL POWER CONNECTION 12 3 3 ADJUSTMENT AND CONTROL 12 3 4 COLD ROOM LIGHT 13 3 5 CONTROL DEVICE 13 3 6 CONTROL FUNCTIONS 14 3 7 INDICATOR LIGHTS 15 3 8 ALARM SIGNALS 15 3 9 RESETTING T...

Страница 4: ...raught type with air condensation The compressors are hermetic type and they can be supplied to operate with R290 propane The MONOTOP are equipped with Pre charged with refrigerant Hermetic compressor...

Страница 5: ...ds to be designed as if it was a freezing chamber Sound pressure level dB A 70 db A at 10 m of the unit measured in open field 1 4 TECHNICAL CHARACTERISTICS AND DIMENSIONS series UNIT PANNELCUT A B C...

Страница 6: ...ts Use suitable machinery to move the unit Do not remove the pallet or packaging until the machine is in its final location The unit must be moved using suitable means of transport and hoisting and th...

Страница 7: ...r It is necessary turn off the unit before removing the fan or remove its guard to perform maintenance or repair If the user wishes to use the unit for any purpose it is not designed for particularly...

Страница 8: ...ance given in the following summary table 1 Product 2 Unit model 3 Unit serial number 4 Year of manufacture 5 Type of refrigerant 6 Amount of refrigerant 7 Weight of the unit 8 Tension 9 Maximum curre...

Страница 9: ...8 E27 Salida Output Sortle principal CUIDADO Peligro de electrocuci n Riskofelectricshock Disconnectpowerbeforeservicingunit KONTUZ CAUTION ATENTION KONTUZ...

Страница 10: ...ir entering Ensure there is sufficient space around the air inlets and outlets Keep the condenser clean Provide an access point for maintenance and servicing The electrical supplies must be protected...

Страница 11: ...the roof of the cold room depending of the model of adequate dimensions HxL as indicated in the table below B Raise the unit using the most suitable means placing it against the hole in the cold room...

Страница 12: ...t checking that there is no potentially flammable area due to an undetected leak With suitable electrical and non electrical equipment located in ATEX he will be able to ventilate the cold chamber to...

Страница 13: ...line 3 OPERATING INSTRUCTIONS 3 1 CONNECTING THE UNIT TO EXTERNAL POWER SOURCES 3 2 ELECTRICAL POWER CONNECTION You must perform a preliminary inspection of the components of the electrical panel and...

Страница 14: ...a light on the control board is cancelled 3 5 CONTROL DEVICE This consists of a 3 digit digital display a keypad with 6 buttons and lights showing the operating modes failures and alarms 1 Fan warning...

Страница 15: ...light will start to flash 3 press the or buttons to change the value 4 to complete the process press set or wait for 10 seconds To start a manual defrost cycle 1 press the button and hold it down for...

Страница 16: ...h off 10 seconds after the failure has been rectified The cold chamber temperature alarms HA and LA switch off when the normal values are reached again or when defrosting begins The door alarm dA swit...

Страница 17: ...pressure switch Coolant leak Compressor has started after activation due to cold demand and the liquid solenoid valve has been closed Analyze state coil solenoid connectin connector coil and terminals...

Страница 18: ...of air renewal or near heat source Faulty condenser fan fan start condenser or condensation control Directly feed the cable that enters the terminal 33 from line in case it starts the Condensation Con...

Страница 19: ...l as the contact of the cable tips that enters terminals 01 02 If the alarm is maintained change connection 01 through connection 03 if alarm P1 disappears and alarm P2 appears it means deteriorated p...

Страница 20: ...int under the cold symbol on the display is fixed it indicates that the digital output of the board is active by program In this case check the voltage at the output of the board in the case of single...

Страница 21: ...4 4 MdF Indicates the maximum defrosting duration in minutes 25 min 25 min FANS FnC Indicates the fan operating mode c n c n Fnd Indicates the time in minutes that must elapse between the end of defr...

Страница 22: ...phase Adjust the cold room temperature Start up the unit by pressing the ON OFF button Programming the cold room temperature Plug the unit into the mains The word OFF will appear on the display To con...

Страница 23: ...ghtened Visually check the entire refrigeration circuit components materials containers and pipes to detect possible external corrosion oil residues or possible losses Check the oil level Make control...

Страница 24: ...g used for purposes other than those it was designed for such as freezing products In such cases certain operations can be carried out always by qualified authorised staff unless the unit has been use...

Страница 25: ...e e Air temperature in the condenser is very low very high air flow adjust flow or relocate unit f Repair it Compressor will not start up it does not sound buzz a Insufficient supply b The contacts of...

Страница 26: ...lease state the serial number figuring on the unit label 4 8 SCRAPPING THE UNIT If the unit is to be scrapped its components must not be abandoned in the environment they must be disposed of through c...

Страница 27: ...26...

Страница 28: ...LENNOX EMEA reserves itself the right to make changes at any time without preliminary notice www lennoxemea com...

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