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Coffed SR 25, Operation Manual

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Operation manual                                                                                                                                                      SR25 
February 2017 

 

           Page 9

 

 

Coffed BDH | ul. Ceramiczna 28 | 64-

920 Piła PL | tel+48 67 214 26 29 | www.coffed.pl 

 

2.2.4. Destoner

 

 

Pic.5 Destoner overview 

 
The destoner gravitationally separates stones from the roasted coffee. Stones are present in the roasted 
coffee due to the green coffee production process. The appliance is made out of stainless steel. I consists 
of a roasted coffee hopper, under which is a basket used to collect stones and a roasted coffee silo. The 
coffee is sucked into the silo thanks to the drag induced by the top fan. 
  
Measurements: 
Height:  

2411mm 

Width:   

698mm 

Length: 

1506mm 

Weight: 

50kg  

 

2.2.5. Chaff cyclone 

 

Pic.6 Chaff cyclone overview 

 

The chaff cyclone which is connected with the roaster’s exhaust system, separates the chaff from the 
exhaust fumes and collects it into a wheeled bin underneath it. The chaff can be then disposed of, and the 
fumes are directed into the chimney duct. 
 
Measurements: 
Height:  

1821mm 

Width:   

602mm 

Length: 

602mm 

Weight: 

50kg  

 

 
 

Summary of Contents for SR 25

Page 1: ...Coffed BDH ul Ceramiczna 28 64 920 Piła PL tel 48 67 214 26 29 www coffed pl SR 25 Coffee roasting line Operation Manual ...

Page 2: ...ng European directives and standards Machinery directive MD 2006 42 EC Low voltage directive LVD 2006 95 EC Electromagnetic compatibility directive EMC 2004 108 EC Gas appliance directive GAD 2009 142 EC What is equivalent with fulfilling the following standards 1 PN EN ISO 12100 2 PN EN 349 1999 3 PN EN 60204 1 4 PN EN 125 2013 And that it has been manufactured according to the technical document...

Page 3: ...ader 8 2 2 4 Destoner 9 2 2 5 Chaff cyclone 9 2 3 Commissioning and connecting to the installations 10 2 3 1 Electrical installation 10 2 3 2 Gas installation 10 2 3 3 Exhaust installation 10 2 3 4 Pneumatic installation 10 2 3 5 Start up 10 2 3 6 Drum gap setup 11 3 WORKFLOW DESCRIPTION 11 3 1 Control panel screens 11 3 1 1 Operator s password screen 12 3 1 2 Start screen 13 3 1 3 Roasting screen...

Page 4: ... using the equipment despite being faulty using inappropriate fuel defects of the power cords that are not a part of the equipment using parts that are not original parts supplied by Coffed 1 3 Safety precautions while operating the equipment The data referring to the safety of operation are in relation to European Union legislation that was in effect at the date of the equipment s production If t...

Page 5: ...t occurred during the use of the equipment not for its designed purpose 1 5 Hazard indication symbols on the machine The following symbols are located on the device in the places where the hazard can occur No Symbol Descripton 1 High voltage it is prohibited to open the marked door without disconnecting the machine from electricity 2 Hot surface it is prohibited to touch the marked surface when th...

Page 6: ... 32A with optional silos Compressed air requirement 7 5bar of stable pressure Compressed air line diameter 10mm Exhaust chimney diameter 150mm Total weight 1050kg Space required 20 m2 Ceiling height 3m 2 2 Technical description The SR25 coffee roasting line consists of the following elements 1 Roaster 1A Cooling bin integrated with the roaster 2 Control panel 3 Pneumatic green coffee loader 4 Dest...

Page 7: ...s roasted coffee beans are produced the main product a significant amount of coffee chaff is also released and drawn out of the drum through the exhaust system All the media connections electricity gas compressed air are located at the back of the roaster The media need to be connected before starting to work with the machine The integrated cooling bin is used to rapidly cool down the coffee immed...

Page 8: ...ware and PLC enable automatic roasting mode profiling and recipe storage Measurements Height 1160mm Width 520mm Length 600mm Weight 50kg 2 2 3 Pneumatic green coffee loader Pic 4 Pneumatic green coffee loader overview The pneumatic green coffee loader is used to push coffee into the loading hopper located on the top of the roaster It consists of a cone shaped hopper standing on the floor a fan and...

Page 9: ...ffee hopper under which is a basket used to collect stones and a roasted coffee silo The coffee is sucked into the silo thanks to the drag induced by the top fan Measurements Height 2411mm Width 698mm Length 1506mm Weight 50kg 2 2 5 Chaff cyclone Pic 6 Chaff cyclone overview The chaff cyclone which is connected with the roaster s exhaust system separates the chaff from the exhaust fumes and collec...

Page 10: ...to be made they need to be performed by authorized personnel with the necessary qualifications 2 3 2 Gas installation In order for the SR25 coffee roasting line to work properly LPG or natural gas source needs to be connected The gas train diameter is inch 2 3 3 Exhaust installation The final user is obliged to connect the SR25 coffee roasting line to an exhaust installation according to the guide...

Page 11: ...eath it This should stop after the roaster is warmed up Warning The gap should not be smaller than 2mm when the roaster is cold as it may result in damaging the transmission 3 WORKFLOW DESCRIPTION 3 1 Control panel screens The SR25 coffee roasting line is controlled via a control panel pic 3 All of the control elements are located on the console pic 9 The functions and information regarding the op...

Page 12: ...perator needs to insert a four letter password in order to start working with the appliance The password should not be given to unauthorized personnel Pic 11 Operator s password screen inserting the password After the correct password is inserted icons will show up in the right top corner of the screen After pressing the icon the coffee line s start screen will be displayed The operator s password...

Page 13: ...ed 3 1 2 Start screen Pic 13 Start screen The manufacturer s details name type and serial number of the machine are visible on the start screen The number of workhours is displayed by the icon it is the number of hours when the burner of the machine was working Eight buttons are visible on the right side of the screen Their functions are the same for all of the screens on which they are displayed ...

Page 14: ...en go to the roasting screen go to the roast charts screen go to the recipe selection and edition screen go to the service screen go to the faults and errors screen start roasting in automatic mode open drum in automatic mode hold for one second stop roasting in automatic mode hold for one second 3 1 3 Roasting screen Pic 14 Roasting screen ...

Page 15: ...tion When the slider Is at the side then the machine works in manual mode when it is on the side the machine works in automatic mode 2 Drum revolutions per minute range 35 52 3 Automatic release of the coffee from the hopper into the roaster on off 4 Hopper flap open closed 5 Destoner s fan power 6 Screenshot saved into the memory a flash drive needs to be inserted into the slot on the console 7 C...

Page 16: ...n closed 17 1 2 1 Save the current roast into the flash memory 2 Roasting from the selected recipe profile 18 Burner power range 20 100 19 Burner power controls 20 Burner on off 21 Drum and exhaust fan on off 22 Exhaust fan power range 60 100 23 Coffee temperature inside the drum o C 24 Current roast time mm ss 25 Exhaust fumes temperature o C Table 1 Roaster controls functions list ...

Page 17: ...rameter 1 white Coffee temperature 2 yellow Burner power 3 red Exhaust fumes temperature 4 blue Exhaust fan power Table 2 Roast chart parameters list The following buttons that allow to control the roasting proces are also on this screen No Icon Description function 1 Pressing this button for the first time allows to indicate the start of the first crack phase on the chart pressing it for the seco...

Page 18: ...he power by 5 pressing the decreases it by 5 5 Zoom of the charts on Zoom of the charts off Table 3 Roast chart screen buttons list 3 1 5 Recipe selection and edition screen Pic 16 Recipe selection screen The recipe selection screen allows the operator to select and view one of the previously saved recipes for the automatic roasting mode The recipes are saved on the flash drive that needs to be co...

Page 19: ...ction 1 View the current recipe 2 Edit the selected recipe 3 Save the recipes from the PLC to the flash drive 4 Load the recipes from the flash drive to the PLC 5 Edit the names of the recipes Tablel 4 List of the recipe selection screen 3 1 5 1 Current recipe preview Pressing the opens the recipe preview screens Pic 17 Recipe preview screen 1 ...

Page 20: ...Operation manual SR25 February 2017 Page 20 Coffed BDH ul Ceramiczna 28 64 920 Piła PL tel 48 67 214 26 29 www coffed pl Pic 18 Recipe preview screen 2 Pic 19 Recipe preview screen 3 ...

Page 21: ...ul Ceramiczna 28 64 920 Piła PL tel 48 67 214 26 29 www coffed pl Pic 20 Recipe preview screen 4 The arrows allow the operator to switch between the screens opens the recipe selection screen saves the recipe under a selected name Pic 21 Recipe saving screen ...

Page 22: ...ic 22 Collective edition field The Collective edition field allows the operator to make changes in the recipe in the selected range of temperatures First the operator needs to input the range of the temperatures in which the changes should be made than the desired values of the burner power and the exhaust fan power need to be input in the fields under the mentioned symbols After that the button n...

Page 23: ...Operation manual SR25 February 2017 Page 23 Coffed BDH ul Ceramiczna 28 64 920 Piła PL tel 48 67 214 26 29 www coffed pl Pic 24 Recipe edition screen 1 Pic 25 Recipe edition screen 2 ...

Page 24: ... 920 Piła PL tel 48 67 214 26 29 www coffed pl Pic 26 Recipe edition screen 3 Pic 27 Recipe edition screen 4 In order to change the power of the burner and exhaust fan for the selected temperature the operator needs to press the appropriate field and enter the requested value ...

Page 25: ...d The Collective edition field allows the operator to make changes in the recipe in the selected range of temperatures First the operator needs to input the range of the temperatures in which the changes should be made than the desired values of the burner power and the exhaust fan power need to be input in the fields under the mentioned symbols After that the button needs to be pressed in order t...

Page 26: ...File list window shows the list of the files on the flash drive 10 Clear USB deletes all of the files on the flash drive 11 Define screenshot name allows the screenshot name change and input The following roaster settings can be edited on the Maintenance screen Max the coffee temperature at which the burner switches off automatically in order to prevent the coffee beans from burning max 250o C Inl...

Page 27: ...ing the operation language In order to change the operation language the appropriate flag needs to be pressed 3 1 7 Faults and errors screen Pic 31 Faults and errors screen The Faults and errors screen shows messages related with faults and errors that cause the SR25 coffee roasting line to work incorrectly On the screen there are the following buttons ...

Page 28: ...x stop switch active Check the emergency switch on the cooling bin F04 External stop active Check the external applances F05 Burner failure Check the 11F1 fuse F06 Air pressure to low Check the air pressure F07 Stirlflex emergency stop Check the stirflex emergency stop on the control panel F10 Temepature coffee or exhaust too high Check the temperature monitoring relays F11 Destoner blower fault C...

Page 29: ...utes 7 When the temperature inside of the drum reaches the desired level press the button to open the inlet flap and release the green coffee into the roaster s drum 8 Roast the coffee the speed of the process is related with the burner power drum speed and the exhaust fan speed adjust them accordingly The target temperature of the coffee should be ca 210 215 o C depending on the green coffee bean...

Page 30: ...4 SERVICE AND MAINTENANCE The following service and maintenance steps need to be undertaken in order to ensure a fault free workflow of the SR25 coffee roasting line Every 80 hours Checking the transmission elements Checking if the flaps and other moving elements are working properly Cleaning and greasing the moving elements Every 160 hours Checking that the emergency stop buttons work properly Co...

Page 31: ...m is working properly or not The burner flame keeps fading This can be a sign of gas interruptions insufficient pressure or malfunction of the flame control system First check the gas supply of the burner Perceptible gas smell As soon as the personnel handling the appliance smells the gas immediately switch off the appliance with a main switch and ventilate the room In the event that these actions...

Page 32: ...th the applicable national regulations We recommend contacting a specialist company or contacting the disposal unit in the municipality WARNING To prevent possible misuse and related hazards ensure that the SR25 coffee roasting line can be used again before disposal To do this disconnect the device from the power supply and cut off the power cord TIP When disposing of the device follow the appropr...

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