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Summary of Contents for GIESEN W15A
- Page 1 COFFEE ROASTER W15A Giesen Coffee Roasters Installation & Operation Manual Please read this manual carefully before using. Retain the manual for further future reference. Giesen W15A Coffee Roaster - Version 1.0...
- Page 2 10.4.1 Underpressure / drum speed ..........26 10.4.2 Temperature unit / languages ..........26 10.5 In-depth operating buttons ......... 27 11.0 Cleaning and maintenance........30 11.1 Cleaning plan..............30 11.2 Daily cleaning steps ............30 Giesen W15A Coffee Roaster - Version 1.0...
- Page 3 14.2 Fire on top of the cooling sieve ........41 14.3 Fire below / chaff cabinet / dust bin ......41 14.4 Caution when roasting ..........41 15.0 Technical data W15A ..........42 Giesen W15A Coffee Roaster - Version 1.0...
- Page 4 Manufacturer 1.0 Manufacturer The manufacturer of the Giesen W15A is Giesen Coffee Roasters B.V. located in The Netherlands. Address: Giesen Coffee Roasters Industrieweg 13-15 7071 CK Ulft The Netherlands Contact: Telephone support: +31 (0)315 74 50 55 E-mail support: support@giesen.eu Telephone service / sales: +31 (0)315 68 13 77 E-mail service / sales: info@giesen.eu...
- Page 5 Machine details 2.0 Machine details Below you can find an example of a standard setup featuring a Giesen W15A coffee roaster. Giesen W15A Coffee Roaster - Version 1.0...
- Page 6 Regulation on the combustion of gas-fired fuels (GAR) 2016/426/EU NEN-EN-ISO 12100:2010 EN 61000-6-1:2007 NEN-EN 349:1994+A1:2008 EN 55011:2016/A1:2017 NEN-EN 60204+1:2018 EN 676 Appendix K EN 60335-1:2010 EN 676:2008 EN 60335-2-102:2010 Location: Signature: Date: Ulft Mr. Wilfred Giesen February 2020 Giesen W15A Coffee Roaster - Version 1.0...
- Page 7 The coffee roaster and appliance area needs to be free and clear of any combustibles. • Note that those parts which have been protected by the manufacturer or his agent shall not be adjusted by the user. Giesen W15A Coffee Roaster - Version 1.0...
- Page 8 4.8 Caution - fire • The risk of fire arises if the coffee beans are not released in time. Giesen Coffee Roasters advises not to exceed the bean temperature by 220 °C / 428 °F, and not to exceed the air temperature by 250 °C / 482 °F.
- Page 9 Burning gas requires oxygen. • Never obstruct the roasting and air ventilation vents. • The coffee roaster shall be installed in conformity with the current regulations and used only in a well-ventilated location. Giesen W15A Coffee Roaster - Version 1.0...
- Page 10 We want our coffee roasters to work perfectly and you to roast carefree. That’s why we offer the best service and support. If you buy a Giesen coffee roaster you can be assured that we will accompany you from the beginning to the end. If you encounter...
- Page 11 6.2 What do you need? • Forklift truck to unload your roaster Make sure the forklift you use is capable of lifting the weight you Giesen Coffee Roaster has. Please refer to the roaster and forklift’s technical specifications. • Philips screwdriver (electric) •...
- Page 12 Do not lift the roaster by the hopper or by the cooling sieve. For tips to unload safely read our guidance on taking delivery of goods. Giesen W15A Coffee Roaster - Version 1.0...
- Page 13 (electric) screwdriver. 2. After taking out all the screws, the side panels can be removed. 3. Take out the screws on the final two side panels and take them off. Giesen W15A Coffee Roaster - Version 1.0...
- Page 14 5. Remove the hopper, control panel and accessories from the pallet. 6. Remove the plastic protection foil from the machine. Remove the side protection panels on the bottom of the roaster by taking out the screws with an (electric) screwdriver. Giesen W15A Coffee Roaster - Version 1.0...
- Page 15 7. The roaster now stands on two battens and can be lifted from the pallet using a forklift. 8. Now that the roaster is on the forklift you can place the roaster on your desired location. Giesen W15A Coffee Roaster - Version 1.0...
- Page 16 Don’t want to do it yourself? Our skilled mechanics are happy to help. They’ll take care of the installation and make sure everything is up and running. Please contact our service department at service@giesen.eu or call +31 (0)315 68 13 77, to schedule an appointment.
- Page 17 2. The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psi (3.45 kPa). Giesen W15A Coffee Roaster - Version 1.0...
- Page 18 Please make sure the connectors are tightly plugged in and locked. ST3: Upper left ST2: Upper right ST1: Bottom left As highlighted in the circle, connect the earthing to the location as shown. Giesen W15A Coffee Roaster - Version 1.0...
- Page 19 2. Connect the flexible hose to the roaster. 3. Reattach the backplate using the screws and Allen key nr. 3. 4. Attach the gas hose. Warning: Connecting the gas lines may only be done by a certified, recognized installer! Giesen W15A Coffee Roaster - Version 1.0...
- Page 20 8.0 Your Giesen coffee roaster 1. Front plate 2. Sight glass 3. Cooling sieve 4. Maintenance door 5. Hopper 6. LED light 7. Sight glass 8. Sampler 9. Control panel 10. Emergency stop 11. Reset button Giesen W15A Coffee Roaster - Version 1.0...
- Page 21 3. Press the F2 button once, then push the roasting button to start up the roaster. Press F1 to reach the ‘home-screen’. Set your air temperature and wait until the air temperature has reached the required roasting temperature. This might take a couple of minutes. Giesen W15A Coffee Roaster - Version 1.0...
- Page 22 5. Release the beans into the drum by opening the handle. Note: this might be the moment when you would start the timer. . 6. Continue roasting until the beans have reached the required color. You can change the temperature set point while the roasting is in progress. Giesen W15A Coffee Roaster - Version 1.0...
- Page 23 50 °C / 122 °F. While the machine is cooling down, the drum and fan will continue to run, but the burner is turned off. After the cooling down is completed the machine will shut down automatically. Giesen W15A Coffee Roaster - Version 1.0...
- Page 24 NOTE: In versions 7.54 and above there will be an additional button called the ‘Cleaning mode’. With this button you can clean our the chaff in-between roasts. For more information on this subject, refer to the paragraph ’Cleaning mode’. Giesen W15A Coffee Roaster - Version 1.0...
- Page 25 Operating console 10.3 F3 screen This is the graph of your current roasting. • Red line: Set temperature • Black Line: Air temperature • Green Line: Bean temperature • White line: Infrared temperature (option) Giesen W15A Coffee Roaster - Version 1.0...
- Page 26 6. With the arrows you can adjust the drum speed up / down 10.4.2 Temperature unit / languages 1. Set the temperature display to Celsius or Fahrenheit 2. Select the drum speed to be displayed in Hertz (Hz) or RPM 3. Select your preferred language Giesen W15A Coffee Roaster - Version 1.0...
- Page 27 1. Turns on / off the stirrer 2. Turns on cooling fan on / off 3. Roaster is turned on 4. Enters the timer menu 5. Roaster is cooling down, the drum and fan keep running during cooling Giesen W15A Coffee Roaster - Version 1.0...
- Page 28 1. Use the up / down buttons to increase / decrease the drum rotation speed. Please refer to the technical specifications when you need more information on the default Hz settings. Temperature units Temperature unit settings explanation 1. Use the buttons to select Celsius or Fahrenheit. Giesen W15A Coffee Roaster - Version 1.0...
- Page 29 1. This function displays the total power-on hours and roasting hours your roaster has had. This function is useful for maintenance purposes. The amount of use indicates when certain parts of the machine need service. Giesen W15A Coffee Roaster - Version 1.0...
- Page 30 CAUTION: the collector can still be very hot! 4. Open the chaff collector with the door key supplied with the toolbag. See the picture for an example of the key to use. Giesen W15A Coffee Roaster - Version 1.0...
- Page 31 6. Remove the cooling sieve. Warning: the cooling sieve is very heavy. Make sure you lift the cooling sieve with two people. 7. Remove the two split door covers. 8. Remove the internal cyclone. Giesen W15A Coffee Roaster - Version 1.0...
- Page 32 Allen key nr. 3. Make a final check on all of the doors; make sure they’re all closed. When so, the roaster is ready for it’s next day of roasting. Giesen W15A Coffee Roaster - Version 1.0...
- Page 33 In this screenshot you see that Cleaning mode has been activated, but the machine indicates that it is still too hot for you to start cleaning. Wait until the temperature has dropped to 180 °C / 356 °F. Giesen W15A Coffee Roaster - Version 1.0...
- Page 34 After cleaning the machine and closing the doors, the cleaning mode has to be de-activated in order to resume roasting. Giesen W15A Coffee Roaster - Version 1.0...
- Page 35 When beans are falling through - the distance needs to be smaller. Only authorized skilled persons are allowed to adjust the drum. Always do this on the instruction of a Giesen Coffee Roasters trained person. 1. Unscrew the three countersunk screws with the supplied tools.
- Page 36 Replace the burner, ignition, ionization pen, motors, Every 15000 hours bearings and ventilation fans. It is recommended that this is done by a Giesen Certified Technician. Maintain the roaster according to the maintenance interval. Insufficient maintenance can cause fires and damages to the roaster.
- Page 37 You will need to lubricate the roaster release valve with a few drops every week. 12.1 Front valve lubrication 1. Oil the front valve on the left side. 2. Oil the front valve on the right side. Giesen W15A Coffee Roaster - Version 1.0...
- Page 38 4. Put new heat resistant grease inside the cover. 12.3 Back bearing lubrication 1. Attach the grease pump to the back bearing 2. Pump three times to fill the bearing with new grease 3. Disconnect the grease pump Giesen W15A Coffee Roaster - Version 1.0...
- Page 39 Lubrication 12.4 Types of grease When lubricating / greasing your machine there are two types of grease to choose from. Both types of grease are available through the Giesen webshop. • Heat resistant grease (non-food grade) Use this type of grease in areas that will not be in touch with the coffee beans.
- Page 40 When in doubt other have a different problem with your roaster contact us on support@giesen.eu or call the support telephone number: +31 (0)315 74 50 55. Giesen W15A Coffee Roaster - Version 1.0...
- Page 41 Above 220 °C there is the danger of fire due to the heat reactions within the bean’s interior. The coffee has to cool down quickly on the cooling sieve. Giesen W15A Coffee Roaster - Version 1.0...
- Page 42 80 Pa - 200 Pa Max. exhaust temperature 80 °C Chimney size 150 mm - 200 mm (a reducer is supplied as standard) Max. chimney length Custom-made Number of chimney bends 2 (Max!) Giesen W15A Coffee Roaster - Version 1.0...
- Page 43 VK4105M5 VK4105M5 VK4105M5 VK4105M5 Honeywell Rated capacity 2.5 - 50 2.5 - 50 2.5 - 50 2.5 - 50 (min. - max.) (mbar) Burner type Atmo- Atmo- Atmo- Atmo- spheric spheric spheric spheric Giesen W15A Coffee Roaster - Version 1.0...
- Page 44 Technical data W15A TABLE 9. Gas specifications w15a - USA / Australia Category United States (USA) Australia Natural Butane - Natural Butane - Propane Propane G25, G25.3 Heat input 33 / 33 / 33 / 33 / Nett (kW) 112600...
- Page 45 Fire on top of the cooling sieve 41 Follow the manual 7 Front bearing lubrication 38 Front valve lubrication 37 Gas connection 17 General options 21 Important information 10 In-depth operating buttons 27 Installing the machine 7 Giesen W15A Coffee Roaster - Version 1.0...
- Page 46 Unloading the roaster 12 Unpacking the roaster 13 Various specifications 43 Ventilation 16 Ventilation specifications 42 W6A Gas specifications 17 What do you need? 11 What’s in the box? 11 Your Giesen coffee roaster 20 Giesen W15A Coffee Roaster - Version 1.0...
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