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Summary of Contents for MEHEN M15
- Page 1 PLEASE WELL READ THIS MANUAL BEFORE USE BATCH FREEZER Version 4.00...
- Page 2 On behalf of MEHEN, we hereby wish to express our sincerely thanks for purchasing MEHEN machines. MEHEN Machines are in conformity with EU Directive(s): Machinery Directive: 2006/42/EC Electromagnetic Compatibility Directive: 2004/108/EC Food processing machinery — Basic concepts —Part 2: Hygiene requirements: EN...
- Page 3 INDEX FOREWORD Handbook Instructions..................Purpose........................Handbook Structure....................Other Documents....................Symbol Annotation....................Requirements of Staff.................... Operator........................Skilled Technician....................CHAPTER 1 RECEIVING, MOVING, UNPACKING Precautions on Receiving................1.1.1 Moving Notice for Packed Machines............1.1.2 Devices Required for Machine Moving..........1.2 Unpacking......................1.3 Machine Storage....................1.4 Disposal of Packing Stuff..................
- Page 4 4.3 Blender Diagram..................4.4 Cylinder Door Diagram................CHAPTER 5 CONTROLS AND OPERATION 5.1 Some Specified Concepts................5.2 Electrical Control Panel................. 5.3 Main Specification of Controller..............5.4 Daily Operation..................5.5 Producing Programs................... 5.5.1 Hardness Mode................5.5.2 Time Mode..................5.5.3 Temperature Mode............... 5.5.4 Developer Mode................
- Page 5 MEHEN Engineer, Symbol to indicate that maintenance should be carried out by MEHEN or work unit appointed by MEHEN. In case of any specific maintenance or repair requires components from manufacture or professional operation by skilled technicians, the user should contact the distributors, designated service providers or service department from MEHEN.
- Page 6 It is prohibited to remove the covers of the machine or reach inside of the machine without disconnecting the machine from the power. MEHEN is not responsible for any accident happened to machines or any operators caused due to non-compliance to the principle and regulations in operating, washing and maintenance.
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Page 7: Chapter 1. Receiving, Moving, Unpacking
CHAPTER 1. RECEIVING, MOVING, UNPACKING 1.1 Precautions On Receiving Before unpacking the machine, check the package to observe if any external damages caused by hitting or capsizing during transportation. An external damage could mean the machine itself might have been damaged already. -
Page 8: General Information
2.2 Information About the Machine 2.2.1 General Information The batch freezer M10, M15, M20 and M30 are designed for professional purpose, good for making Italian ice cream, gelato, gourmet ice cream, sorbet, frozen custard and water ice. MEHEN always recommends you to use high quality raw materials, mix powder or ready mix from quality supplier to produce products. -
Page 9: Machine Layout
2.2.2 Machine Lay-out Dimension may be various depending on type of condensation. Dimension (mm) Model Width (W) Depth (D) Depth (D1) Height (H) 1360 1010 1450 2.2.3 Components Position 1-Touch Screen 2-Rinse spigot 3-Plastic panel 4-Inlet cover 5-Cylinder door 6-Door latch 7-Output door 8-Output wrench 9-Output groove 10-Waste liquid collector... -
Page 10: Chapter 3 Installation
The machine is not designed with anti-explosion standards. Thus make sure the working place is out of explosive danger. WARNING MEHEN is NOT responsible for any accident happened to people or machine in case the machine is used out of the designed condition. 2.4 Noise The noise is less than 35 dB for both water cooling and air cooling system while the machine is operated under requested working condition. -
Page 11: Electrical Connection
NOTE MEHEN recommends to use steel pipe which can bear pressure up to 8 bar. Keep the pipes fluent, don't bent. There is an electric water valve inside which can cut the water flow. - Page 12 Test the rotation direction: Push button Rinse to run it with empty cylinder. Correct rotation direction of agitator Check the rotate direction of the blending wheel according to above picture. Otherwise, please exchange the connection of any two of three HOT-LINE to change the rotating-direction, then test it again.
- Page 13 The machine is installed with a powerful compressor and an agitator motor. It works automatically in accordance with the preset parameters of micro-computer controller. 4.2 Driving Parts Diagram Pos. Description Pos. Description M10-3W501 Shaft holder M10-3L508 Fixing ring M10-3L503 Drive shaft M10-3W509 Fastening screw (4 pcs)
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Page 14: Controls And Operation
4.4 Cylinder Door Diagram 47101 47102 47103 47104 47105 47109 47106 47107 47108 Pos. Description Pos. Description 47101 Cover axis 47106 Outlet door 47102 Inlet cover 47107 Handle 47103 Inlet stopper 47108 Handle stop ring 47104 Cylinder door 47109 Cylinder seal ring 47105 Outlet door seal ring WARNING... - Page 15 5.2 Electrical Control Panel 1-Logo 2-Touch Screen 5.3 Main Specification of Controller Range of temperature detected: -50～+150℃ Range of temperature adjustable: 0～110℃ Ambient temperature range: 0℃～+50℃ Relatively humidity: 20%～85% (without moisture condensation) Detecting accuracy: ±0.1℃ Accuracy of controls: ±1℃ 5.4 Daily Operation It will enter home-page after power on if no problems.
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Page 16: Time Mode
Detects the product temperature and change the agitating speed according to setting. During processing, the operator can: Press to increase or decrease the target hardness; Press Take Out to finish the processing and turn to take out the product; ... -
Page 17: Program Setting
TIPS The controller will automatically record the new setting and repeat for next times. Only Temperature-Mode has temperature holding function. 5.5.4 Developer Mode The developer mode offers a flexible options for the chef to produce different products; The freezing will finish if the Setting Temperature is achieved; ... -
Page 18: Programs Setting
5.6.2 Programs Setting Factory Program Parameters Range Unit Explanation Volume Target 1~12 Higher volume results in harder product. hardness Default Low: Low-speed agitation. Low/High Hardness speed High: High-speed agitation. The machine will automatically switch to Overrun On/Off high-speed when the product temperature is in the range of 1 °C ~ -3 °C. - Page 19 Target -15 ~ 2 °C Target temperature. temperature Temperature1 -15 ~ 80 °C Minimum temperature of S1 (refer to Fig 1) Temperature2 -15 ~ 80 °C -1.0 Minimum temperature of S2 (refer to Fig 1) Temperature3 -15 ~ 80 °C -5.0 Minimum temperature of S3 (refer to Fig 1) Low speed...
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Page 20: User Parameter List
5.8 User Parameters Setting 5.8.1 How to Set User Parameters? On Home-page, press Parameter ; Press PgDn 3 times, then enter parameters setting. Press the volume frame to change it; The controller will save it automatically after each changing. ... -
Page 21: Date/Time Setting
Temperature correction for temperature Temperature calibration -9 ~ 9 °C sensor probe. System date and time setting. Set Date, press down-arrow ▼, pop up a menu and select the Date. Date/time ▲ ▼ Set Time, press up or down arrow regulate the time. -
Page 22: Error Alarm
WARNING This is a safety design. Never open the cylinder door when the machine is running, otherwise may cause serious damage to body or machine. 5.12 Compressor Overtime The parameter “Compressor-max.-working-time” is a safety device. If the compressor continuous running time exceeds this limit, the controller will stop the compressor and gives a warning. - Page 23 Product temperature is too low. Set the parameters properly. Motor overload Product hardness is too high. Too much product quantity. Reduce the product quantity. Pool cooling condition. Improve cooling condition. Pressure overload Too much gas quantity. Release gas properly. Refrigerate pipe is block. Check and fix the block.
- Page 24 Now the operator can open the output door to take out the product, You may use low-speed if you want to take it slowly, otherwise you can use high-speed to get a faster taking out, Please switch to high speed at the end of the process for better cleaning up inside, ...
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Page 25: Electric Diagram
5.17 Electric Diagram - 25 -... - Page 26 CHAPTER 6 FREEZING SYSTEM DIAGRAM Compressor Gas Pressure Switch sensor Freezing cylinder Thermal expansion valve Separator of oil Radiator Filter and liquid Condenser CHAPTER 7 HYGIENE The ice cream mix and other food materials are an ideal ground for mildew and bacteria to proliferate to eliminate them, it is necessary to thoroughly wash and clean all parts in contact with the food.
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Page 27: Chapter 9 Maintenance
CAUTION It is prohibited to modify or remove the safety devices! MEHEN will not be responsible or accept any claim for an accident to people or machine caused by modifying or removing safety device. -
Page 28: Preventive Maintenance
9.5 Order Spare Parts Replace the worn out parts timely to ensure the normal running. To order new spare parts or any components, please contact with local distributor designated by MEHEN or our service department directly. - 28 -... -
Page 29: Chapter 10 Troubleshoot Guide
CHAPTER 10 TROUBLESHOOT GUIDE PROBLEM POSSIBLE CAUSE REMEDY Main switch is OFF. Turn ON the main switch. machine does not start, Check and solve the possible reason then Inside air-switch(breaker) is off Screen is off. turn on it. PLC power cable loosen. Re-plug it and tighten it Door is not closed properly. - Page 30 Poor refrigeration. - Gas leak. Fix leak point(s) and refill. Air-cooled machine, the room Improve the cooling condition temperature is too high water-cooled machine, the cooling Improve the cooling condition The temperature drops water temperature is too high too slowly than usual Insufficient condensation due to Improve the cooling water supply.
- Page 31 Water not circulating, tap closed. Open tap. Flexible hose bent or squashed. Straighten or replace hose. Water-cooled Water pressure too low. Check tubing and mains pressure. Error alarm: Condenser clogged with deposits. Clean chemically. Compressor Condenser unit too close to wall. Keep it at least 50 cm from the wall.
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