Compact Service Manual - Customers comments for your information
Contents
1. New Group Head C30200035 Group Head Plug C50010040 Teflon Gasket C70000009 Injector Filter C30200060 Teflon Injector gt 8 C50030000 Teflon Stem Suppor C50020000 30200025 Teflon Injector Stem Flow Reducer 3 5mm C25091250 Allen Screw 6 x 10 W C50000010 Chassis Gasket C30200010 Group Head C75000081 Group Gasket gt C75000030 7g Filter E C750001 20 Filter Basket Spring C75000020 Blind Filter Basket 75000105 Filter Handle on C75000100 Filter Handle Reda C75000060 2 Cup Spout C75000050 1 Cup Spout Style Cale Limited 10 Stafco Steam Water Valve 30370110 Split Pin 40000020 Knob 15000325 vave Steam 30370130 5 Water C30370120 sping gt C30370100 Washer C30370077 Washer EX C30370075 Seal High Group 35010075 Arm Inox Standard Steam Arm C35010050 Arm Inox 3 Complete Valve With 3030 eps ORI E Steam Arm C15000322 C30000010 Nozzle Inox C30370080 Water Pipe Style Cale Limited 11 Boiler C65000110 Security Valve C60100040 Level Probe Complete C25000003 Washer with Earth Connection C30000200 Exchanger Elow C30000110 3 Way V4 x Ya x 1 8 C30000100 2 Way x 1 8 C50010030 Element Gasket C50010020 Teflon Gasket Va C30000210 Fitting V x Ve x Va C50010010 Teflon Gasket x 52. PRA Espresso Machine Technical Manual Style Cale Limited Copyright Notice The material in this document is the intellectual property of Style Caf Ltd technical department We take every care in the preparation of this document but no guarantee is given as to the correctness of its contents Our products are under continual improvement and we reserve the right to make changes without notice Trademarks All trademarks used in this manual are the sole property of their respective owner Stafco is a registered trade mark of Style Caf Ltd Designed By Lee Rushton 2004 Contents O Introduction Machine Range Installation Keypad Programming Keypad Flow System Group Head Flow Pump Old Group Head New Group Head Steam Water Valve Boiler Elements Sight Glass Various Grinder Motor Grinder Doser Office Wiring Cleaning Style Ce ited Stafco Intro INTRODUCTION This manual is intended for the machine service engineer The sole objective of this manual is to enable the service engineer to better understand the machines operating principals and how to ensure that the installation and any maintenance work carried out make the machine safe for user operation The manual should be kept for future use as we accept no responsibility for any damage caused by the equipment if it is used in other ways not described in this manual or if the servicing and maintena
3. Boiler has not filled up in allowed time Possible causes of this could be again no water supply inlet solenoid faulty customer drawing hot water off whilst boiler is trying to fill After cause is rectified turning the machine off then on again will clear this fault Style Cale limited Stafco Keypad Keypad Definition We only use one type of keypad throughout the entire range of Stafco machines because the keypad can be factory programmed into serving several modes of operation please specify exactly the type of machine and if the keypad is for left or right side operation Keypad Input Outputs 2 wire connection to the level probe on the boiler CN2 Used for communication between the keypad and a PC using our interface CN3 Can be used to connect an external tea water switch not recommended CN5 Main power in and out CN6 Used for turbine flowmeter CN2 CN6 CN5 CN3 CN6 9999 979 m AC TEA PAD 21 VDC SUPPLY AC TEA PAD SIGNAL PULSE COM OUT LED 0 VDC GROUP SOLENOID LED PUMP MOTOR FILLING SOLENOID RELAY 3 TEA ELEMENT 5 Style Cale limited WANDA Water Softener 10 Pump 11 Fill Solenoid 12 Turbine flow meter 13 Pressure Switch 14 Element 15 Heat Exchanger 16 Boiler 17 Pressure Gauge Anti vac Valve Level Probe Safety Valve 1 6 bar Group Solenoid Group Handle St
4. d CTU10 7700 2 Group Inter Plus 2 Group Inter Avanti 3 Group Avanti CTU18 13000 3 Group Elegance Initial Installation On all installations where the incoming water supply pressure is above 4 bar then the fitting of a 3 bar pressure regulator is required this is in order to protect the machine and the water treatment system Installation of the machine should be on a perfectly horizontal surface this allows even distribution of the coffee into the cups when using the 2 cup handle adjustment can be carried out using the adjustable feet of the machine The water supply to the machine area should be flushed through this will remove any debris that may be left in the pipe system from plumbing work after complete flushing the water supply should then be connected to the filter system Connect a hose to the outlet of the filter softener and flush the unit through until clear water flows if using a CTU then 5 times the volume of the CTU size should be flushed through i e CTU5 25ltrs After flushing the machine hose can then be connected to the water filter Make sure that the water supply is turned on the machine can now be connected to the mains electrical supply open the steam knob and switch the machine on Upon turning the machine on you should see the keypad lights flash once and after a few seconds the machine will begin to auto fill If the keypad lights start to flash during filling then this indicates that
5. e the steam nozzle from the end of the arm and soak the nozzle cup of hot water overnight If the nozzle gets blocked clear the 4 holes out with a paper clip Style Cole limited 20 Style Caf Ltd Glyde Works Byron Road Colne Lancashire BB8 OBQ Tel 01282 869641 Fax 01282 869616 www stylecafe co uk
6. eam Valve Group Head Hot Water Valve Style Cale Limited Group Head Old Style Group Head Brass Injector and Stem Injector Filter Group Head Plug Flow Reducer Injector Group Diffuser Injector Stem Group Solenoid Solenoid Coil Shower Group Head Gasket Access Screw gt Roa O New Style Group Head Teflon Injector and Stem C50020000 Flow Reducer 3 5mm C650000010 Retention Valve C70000000 Filter Body C70000009 Filter C70000001 Filter Support C30000240 3 8 Fitting C60000032 Pump Inc Filter C60000020 Motor C50100000 Motor Damper It is recommended that this filter is either cleaned or changed during a service due to dirt scale build up Style Cale Limited stafco Old Group Head C30200030 Group Head Plug C50010040 Teflon Gasket gt C70000009 Injector Filter C302 Injector 30200050 Injector 50020000 C30200020 Injector Stem Flow Reducer 3 5mm C75000081 Group Gasket 75000030 7g Filter E 75000040 14g Filter Basket C750001 20 Filter Basket Spring C75000020 Blind Filter Basket RA AN C75000060 2 Cup Spout C75000050 1 Cup Spout 75000105 Filter Handle C75000100 Filter Handle Reda 9 Style Cale Limited
7. m the baby Office machine right up to a 3 Group Avanti raised for take away cups All the Stafco machines come complete with automatic fill and built in pump as well as utilising the same components across the entire range This means that the engineer needs to carry less parts when servicing a Stafco espresso machine All our machines are supplied from our factory complete with all group handles a backwash filter mains plug drain hose and water connection pipe in order to ease installation You will only need to obtain an adapter to fit from your customers mains supply to our standard 3 8 female Office 2 Group Inter 1 Group Plus 2 Group Avanti Compact Avanti 2 Group Plus 3 Group Avanti Style Cale limited 2 Stafco Installation The machine is connected to the mains electrical supply via a 13A plug excluding 3 group and upgrades and to the main cold water supply via a flexible 3 8 stainless steal hose In all areas we strongly recommend the fitting of a suitable water treatment system Where the water supply is totally lime free and this area is declining a standard carbon based filter will be sufficient this should then be changed on a 6 month basis In all other areas the fitting of a resin based softener Should be used using the following table as a guideline Machine Softener Size Approx Ltrs 1 Group Inter Plus CTU5 3300 2 Group Inter Compact 2 Group Inter Compact Avanti 2 Group Inter Standar
8. mm C30000220 Injector Style Cafe limited 12 Stafco Elements C38027000 2 Group Element C38045000 2 Group Element C38040000 3 Group Element C38014502 1 Group Element C38025001 2 Group Compact Element C38012000 Office Element 070 Sight Glass C20010020 Level Support SS 65000200 Anti Vac Valve 0 11 Y S 0 C35902000 Sight Glass SS amp 7 30100040 Gland Chrome c30100050 V Washer c50000115 O Ring 7 C30100060 Brass Level Housing 0 d 0050 Teflon Gasket 3 8 lt 30000215 Elbow Ya x C70300055 Gauge Plastic Ep C15000310 Stop Tap Style Cale limited ia Stafco Various Q C60000000 C60000007 C60100050 Pressure Switch Pressure Switch Flowmeter Turbine C60102030 Turbine Top C60102020 Turbine O Ring C60800100 C60102010 Solid State Relay Turbine Impeller C60000040 Office Pump 15 Style Calo Limited Stafco Various a b e C60000060 C60000065 C60000050 C60900043 C60900035 1 way small gauge 1 way large gauge 2 way large gauge Black Switch Red Neon Switch C60100101 C60100200 C60100250 Level Control Box Level Control Box New Level Probe Cable With Element Protection 00006 C60100030 C60901000 C60100020 7 Way Keypad Connector Element Neon Keypad With Level Control L7 LL E C60900000 C60900002 C40000040 Mai
9. nce guidelines are not adhered to We reserve the right to update any information contained in this manual without prior notice Any information that is updated does not mean that the previous information was inadequate If the machine is used incorrectly or installed in other ways not contained in this manual then any warranties issued will become void The installer must check any local bylaws to ensure that the machine is fitted to meet local regulations The machine is not to be operated by children or unsuitable persons If the machine is to be left in an un operational state in temperatures below O the boiler system should be drained to avoid any damage to the pipes or boiler SAFETY PRECAUTIONS Do not tamper with any of the machines components and use only approved replacement components The machine should be disconnected from the mains electricity supply before removal of any covers Various parts of the machine do become very hot during normal use and caution should be used when working near group heads or steam and water sections on the machine The machine should never be operated without a water supply connected It is the installers users responsibility to ensure an adequate clean water supply to the machine and a filter softener should be used on all installations Style Cale Limited Range TECHNICAL OVERVIEW Stafco Traditional Digital Espresso Machine The machine range is available fro
10. ns Switch 16A Mains Switch 20A Mains Switch Knob Style Cale limited 16 Stafco Grinder Motor C0001150 Lock Release TT C0000590 Upper Grindstone gt C0000770 Spring B lt gt C0000710 Nut C0000720 Washer C0000540 12mf Capacitor C00001 200 Motor 17 Style Calo Limited Grinder Dosing Unit C0000430 Lid 222 C0000400 Lid Em C0000470 Microswitch 5 C0000440 Switch Assembley 0000450 Auto Stop Flap C0001 140 Supplement Ring C0000250 Weight Adjust Screw C0000790 Square Washer gt C0000660 M5 x 18 Screw C0000090 Doser Ring M C0000070 Doser Glass 600g C0000160 Upper Star Assembly ARS gt C0000290 Divider Plate 00280 Weight Adjust Spring Em C0000240 Nut M4 C0000190 3 5 Screw C0000150 Lower Star C0000180 Tamper C0000100 Doser Bottom Ring gt C0000130 Screw C0000120 Clamp C0000140 Doser Base C0000260 Return Spring 222 FY gt C0000310 sm C0000300 C0000200 See Tamper Base C0000270 C0000320 18 Dosing Lever C0000230 Style Cale limited Index Cog Office Wiring N Supply L Supply Fill Solenoid Pump Element Fault LED gt neo m Level Probe o Probe Earth WHT Fault LED Sr Probe 7 Heater Light Underside View E Boiler Control Box Pressure 5 BLK T
11. rip BLK Element Switch On Off id Switch Live BRN c WHT WIR C Pump Fill Solenoid 3 WHT Neutral BLU 0 5 Wwe ws Group Head Solenoid WHT E Head Switch BRN Brown WHT de BLU Blue WHT White BLK Black W B White Blue WIR White Red G Y Green Yellow 19 Style Cale limited Stafco ES Head Filter Group Handle Steam Arm Gasket Steam Nozzle im Cleaning DAILY END OF DAY WEEKLY Remove the filter basket from the group handle and fit the blind filter Lock the handle into the group head and press the star key on the keypad after 10 seconds press the star key again to stop the group repeat this operation 6 times and empty the group handle between operations OR TWICE IF BUSY With the blind filter in the group handle add one teaspoon of Espresso Cleaner into the blind filter Secure the group handle into the group head and activate the pump for 20 seconds Stop the pump and repeat 3 times with a 5 second gap Remove the group handle and run water through the group for 10 seconds Replace the group handle and operate the pump for 10 seconds repeat this step 3 times empty handle between operations STEAM ARM CARE During the course of the day after using any product on the steam arm wipe down with a soft damp cloth After use blast a bit of steam through to clear the arm DO NOT leave the steam arm standing in any sort of liquid End of day remov
12. the boiler has not filled in time safety timeout please switch the machine off for a moment and then on again to resume normal filling After approximately 20 mins when steam starts to come out of the open steam arm close the steam knob and after a few more minutes the boiler will be completely up to pressure It is normal that during the heating up phase that water will drip from the expansion valves into the drip tray 3 Style Cafe limited Stafco Programming Start Stop 2 Espresso 1 Espresso 1 Cappuccino 2 Cappuccino Programming The Group 1 Press and hold the START STOP button on the group required 2 Hold the button in for approx 8 seconds until the LED s light up 3 Press the selection button for the coffee required 4 When the coffee in the cup has reached the required level press the button aginn Example of Programming 1 Cappuccino 1 Press and hold until LED s light up release 2 Then press O when the level in the cup is right press O 3 After appro 15 seconds all the lights on the keypad will go out and the new setting willbe stored automatically Fault Conditions Indicated By The Keypad 1 One LED flashing Indicates that the keypad is not receiving a signal from the flowmeter This could be no water supply flowmeter faulty or group head solenoid When this happens the keypad will disable the selection until a signal from the flowmeter is received 2 All LED s flashing
Download Pdf Manuals
Related Search