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Service Manual - Marco Beverage Systems

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1. PARTNUMBER _ DESCRIPTION QTY 1402160 Tailpiece Hoses 1 4 BSP x 12mm 4 5 8 9 I 12 13 14 SP9 TOP LID REAR 15 2 NON EN 16 11800630 Hose Silicone 8mm I D X 12mm 18 Hose Silicone 12mm I D X 17mm 19 20 SP9 Under Counter Unit Spare Parts Part 2 7 Description 1 11501559 Pump Topsflo 24V DC 2 1502159 Mount Tank Wall Silicone 14mm Valve 3 12301463 PROBE COMPLETE ASSEMBLY 40mm 4 12301460 PROBE COMPLETE ASSEMBLY NO TAB 5 29 8 e 2 1502075 Thermal Switch Dual Pole 125Deg 1 401000 LOCKNUT 1 4 BSP BRASS Probe O ring 11 1150095 ELEMENT 2 4kW 23 12 1800316 Gasket Inner SP9 13 18013 5 ilicone Washer 21x12x4mm 1501489 Pov Mains Power Cord UK 15 Mains Power Cord EU 16 Mains Power Cord US B 18 d SP9 ServiceManual docx 06 02 2015 Page 34 of 42 H H DESCRIPTION SP9 BOILER SPARE PARTS 1000831 a Spare Parts JJ 16 02 15 205 SP9 ServiceManual docx 06 02 2015 Page 35 of 42 DESCRIPTION SP9 HEAD SPARE PARTS 1000830 Spare Parts Drawer JJ 09 02 15 205 SP9 ServiceManual docx 06 02 2015 Page 36 of 42 SP9 Head Unit Spare Parts PART NUMBER DESCRIPTION QTY 1 11860250 579 Head Body Welded Assembly 1 4 Socket 1 4 S S 25mm L x 16 5mm OD 1860223 SP9 Head Mount Brkt 1 34 35 36 Y SPHed
2. 19 13 Component Access Under Counter Unit 22 14 Component Access Head Unit 3 29 15 Electrical Schematic 31 16 Spare Parts Schematic 33 17 Recommended Parts 16 38 18 Dimensioned Drawings 39 19 Installation Cut Out Template 41 SP9 ServiceManual docx 06 02 2015 Page 2 of 42 1 INTRODUCTION The information provided in this manual is intended to assist in the installation and maintenance of the Marco SP9 System consisting SP9 Boiler and either one or two SPS Head Units Single T win Please read the instructions carefully to prevent accidents and ensure an efficient installation This manual is not a substitute for any safety instructions or technical data affixed to the machine or its packaging All information in this manual is current at the time of publication and is subject to change without notice Only technicians or service providers authorised by Marco Beverage Systems should carry out installation and maintenance of these machines Marco accepts no responsibility for any damage or injury caused by incorrect or unreasonable installation or operation 2 SAFETY INSTRUCTIONS When
3. PERFECTI Topic Descale Clean Water Tank TB No 10020 Date 28 05 14 Affected Priority Low Created By From Serial No Models Listed Above Customer Field Service All Water Boilers CT How to Descale Water Tank and Clean Water Level Probes It is common occurrence for limescale to build up in the tank of a water boiler The amount of limescale build up is relative to the water hardness in a particular area The most common error indication on a boiler ts the Ready light giving two red flashes between pauses indicating that water can t be seen in the tank This can be caused by a number of issues most commonly limescale or film build up on the water level probes Descaling Procedure Isolate machine from power supply Isolate machine from water supply ALLOW TO COOL COMPLETELY Drain water from machine Remove all lids Remove as much scale as possible by hand paying particular attention to level probes White plastic with steel tab Be very careful not to damage any attachments Use ScaleKleen Marco part No 8000270 or similar Follow instructions carefully Thoroughly clean and flush the machine before re use Follow installation and first time operation instructions VV YYY vY Y Always clean the water level probes after descaling and rinsing the tank To Clean Water Level Probes Turn off unit at wal socket or unplug from wall socket wv Remove top cover from boiler
4. 22 Main screen There are two Menus in the SP9 Undercounter Unit USER SETUP e SERVICE SETUP Calibration Modes P a le S pP i S 4 Press Power and EcoMode Press Power and EcoMode Together gt 1 sec Together gt 5 sec Entering Setup Mode SP9 ServiceManual docx 06 02 2015 Page 13 of 42 enter setup mode press power and eco buttons the front panel at the same time The display will show USER SETUP message Release the buttons now to enter the USER SETUP mode To enter advanced settings Service Setup keep the buttons pressed until the display shows SERVICE SETUP message and release them e In both setup modes use front panel buttons to navigate the settings Power button to scroll through the functions Eco button to increase set value press and hold for auto repeat 8 USER SETUP OPTIONS The default temperature setting is 95 The user can set the temperature of the tank Use the navigation instructions above to change the temperature NOTE Temperature should never be set for more than 96 C as it may cause steam to be generated during low pressure days Screen view xm UE SET TEMP DISP PAUSES PAUSE TIME SET TEMP TIME DISP PAUSES PAUSE TIME oii LEMP IME DISP PAUSES PAUSE TINE SET TEMP TIME DISP PAUSES PAUSE TIME 95 00 00 00 00 0 00 0 00 0 50 00 0 00 0 00 0
5. marco POURING PERFEGTIGQN SP9 System Twin amp Single 1000830 1000831 1000832 1000833 SERVICE MANUAL Marco Beverage Systems Ltd 63d Heather Road Sandyford Industrial Estate Dublin 18 Republic of Ireland lreland Tel 01 295 2674 lreland Fax 01 295 3715 UK Tel 0207 274 4577 UK Fax 0207 978 8141 SP9 ServiceManual docx 06 02 2015 Page 1 of 42 CONTENTS CONTENTS 1 Introduction 3 2 Safety Instructions O 3 Specifications 4 e pb Rs Ei ER 5 5 Setup and 8 6 Overview amp Operation 2 10 7 Menu NavVIgallOI uet edi i inv 13 8 User Setup Options 14 9 Service Setup Options 15 10 Diagnostics 17 11 Display Status 18 12 Routine Maintenance 2 2
6. ren 00 0 00 0 00 0 SAVE AND EXIT SP9 ServiceManual docx 06 02 2015 Default Description value Sets new tank temperature Range 60 98 5 C Default 95 C Resolution 0 5 C sets dispense time Range 0 99 9 seconds Resolution 0 1 second For PUSH amp HOLD mode set to 0 Default sets number of pauses during time dispense Range 0 20 If machine set as PUSH amp HOLD then number of pauses has no impact on dispense Sets pause time same for each of the pauses Range 0 20 0 seconds Resolution 0 1 second lf machine set as PUSH amp HOLD then time of pause has no impact on dispense Press the eco button to save all the values and reboot the machine B Page 14 of 42 9 SERVICE SETUP OPTIONS Screen view DESSCALE OFF PEER ORE INLET TIME 03 0 DEAD TIME 12 0 DESSCALE OFF FILTER OFF INLET TIME 03 0 DEAD TIME 12 0 DESSCALE OFF PELETER OFP INLET TIME 03 0 DEAD TIME 12 0 DES CALE OEP INLET TIME 03 0 DEAD TIME 12 0 MODE HEAT FILL TEMP UNITS C MAX TEMP 96 0 SERV PIN 0000 ENTER PIN 000 SP9 ServiceManual docx 06 02 2015 Description Default No 1 Sets and shows remaining weeks before de scaling is needed DESCALE TANK message on the screen Setting it to OFF will disable the function Hange 1 60 weeks No 2 Sets and shows remaining litres of water before filter change is needed CHA
7. build up on the water level probes To Clean Water Level Probes Turn off unit at wall socket or unplug from wall socket Remove top cover from boiler Remove tank lid from tank identify water level probes flat metal tabs inside water tank normally 2 or 3 probes Dispense as much water from unit as possible using tap Thoroughly clean probes with ScotchBrite or scouring pad Replace tank lid and top cover Reconnect power to boiler and operate as normal Wo Ww 2 _ Technical Bulletin Leve Probe Cleaning 020114 Rev 1 Or OCI VICC VIdliUdi CIOCX UU UZ ZUI Al UI FZ 13 COMPONENT ACCESS UNDER COUNTER UNIT Access to the IEC socket 230vac 13A and the water connection point is at the base of the unit Figure 8 Base of SP9 Undercounter Unit SP9 Connections When connecting a single SP9 Head to the under counter unit the electrical connection should be connected to DIN1 the water feed to the Head Unit should be connected to 1 and the water return from the Head Unit should be connected to B1 Similarly when connecting a Twin 5 9 system the first Head Unit should be connected as described above The second Head Unit should be connected in the same manner but to A2 B2 and DIN2 The Vent should be plumbed to a waste outlet via a tundish Figure 9 SP9 ServiceManual docx 06 02 2015 Page 22 of 42 SCREWS Water Tank Access In order to descale the tank or clean the
8. water level probes it is necessary to access the tank This can be done by removing the two screws retaining the rear top cover as shown opposite Remove the rear top lid and the top tank insulation inside Figure 10 Water Tank Lid Removal Remove the four 10mm hex nuts retaining the tank lid to gain access to the interior of the water tank There s no need to remove the silicon hose attached to the tank lid Simply fold it back out of the way while still attached Figure 11 Internal Components Access 4X SCREWS To access the internal components and wiring remove the side panel by first removing the four cross head retaining screws Figure 12 SP9 ServiceManual docx 06 02 2015 Page 23 of 42 Internal Component Map GA 1 lt fF 2 Ne E x M SF L2 gt 4 Figure 13 SP9 ServiceManual docx 06 02 2015 Page 24 of 42 0O A UON 7 8 9 Main Control Board Connections o Dispense Solenoid Tab Inlet Solenoid Tab Neutral Tabs Transformer Mains Live In Tab Relays Heater owitch the element Heater On Off 2 way Connector Link Inserted LED 5 way Connector 10 Earth Tab SP9 ServiceManual docx 06 02 2015 7 2 v n3 cy v En Figure 14 11 Daughter PCB Connector low voltage 12 Exter
9. 02 2015 Page 5 of 42 When mounting Twin Head Units ensure minimum of 100mm between units not just between cut outs as indicated in Figure 2 below The distance between the SP9 Head Unit and the Under Counter unit should be NO MORE than 400mm Max distance between head and boiler refers to the length of the tubing Since the tubing is never a straight line actual distance between head and boiler can be substantially less than 400mm depending on alignment of units Drainage Connect drip tray boiler vent and head vent to a drain via a tundish or some other method of open connection to drain Do not connect these three outlets together in a closed configuration using T piece or double T piece Always allow these to breath 100mm Figure 2 SP9 ServiceManual docx 06 02 2015 Page 6 of 42 HEAD ONE HEAD TWO POWER FEED TO HEAD RETURN FEED TO BOILER SP9 ServiceManual docx 06 02 2015 Figure 3 Figure 4 Page 7 of 42 Operating SP9 Undercounter Unit for the First Time e Check that all installation procedures have been carried out e Ensure water is connected to unit valve is turned on and power cord is connected and plugged in to wall socket power light will glow green and the machine will fill to a safe level above the elements before heating The display will show the current water temperature and the Status Filling The Ready Sta
10. 61 10 12 u2 d SIN 41025 suessfs iON 1495 OOH 646 0680001 15994 gt 69 706 431 100 4 2 5 0 3400 Si OX 002 22 JO o 00z zz 038 C nm 5 AVYDVIT 2252 5 2 72 9 6161091 001 ZZ L310IA Page 31 of 42 SP9 ServiceManual docx 06 02 2015 ayo ADAC u2 d SWALSAS 61 10 17 SOZ 05 0 1 21 91025 41108 645 180001 157 909 49 9 8 Oo Func wwo veoo nlds oN 520 0240 H 081 91090 159 NO UT N2380 MOTI3A MS HIN ony NE NOLLWINSIEO HOLWS di FL Sn Cee 9 00 MOTTA 41402 ZEN OR ZEN MOTI3A zx 13 206 1403 133208 INOS oor Zeon Page 32 of 42 SP9 ServiceManual docx 06 02 2015 16 SPARE PARTS SCHEMATICS pescription SP BOILER SPARE PARTS 1000831 Spare Parts JJ 16 02 15 205 SP9 ServiceManual docx 06 02 2015 Page 33 of 42 SP9 Under Counter Unit Spare Parts Part 1
11. ALE TANK Descale timer elapsed Time to descale the tank Litres output exceeds set value Time to change the water filter Low water level probe broken disconnected Machine CHECK LOW PROBE detects high level probe signal but cannot detect low level one Filling is disabled Status LED 1 red flash Temperature sensor thermistor is short circuited THERMISTOR S C Dispense and heater disabled Status LED 3 red flashes Heating element is broken Error is triggered when after ELEMENT FAILURE 20 minutes of heating and not taking in water temperature in the tank fails to increase Dispense is disabled Status LED 4 flashes Temperature sensor thermistor is disconnected THERMISTOR O C Dispense and heater disabled Status LED 5 red flashes Incoming water pressure too low error will be reset LOW PRESSURE after water supply restores All boiler functions are active Status LED 6 flashes Display board lost communication with boiler PCB cannot COMM ERROR receive serial data about temperature and probes All actions cancelled Table 5 12 ROUTINE MAINTENANCE It is a common occurrence for limescale to build up in the tank of a water boiler The amount of limescale build up is relative to the water hardness in a particular area SP9 ServiceManual docx 06 02 2015 Page 18 of 42 The most common error indication on a boiler is the Ready light giving two red fl
12. Figure 5 SP9 ServiceManual docx 06 02 2015 Page 9 of 42 6 OVERVIEW amp OPERATION SPS EFFORTLESS EXCEPTIONAL COFFEE BY THE CUP SP9 is a single portion brewer designed to deliver volumes from 150ml to 750ml It is designed to work with several different existing brewing devices from Kalita right through to Chemex SP9 also has a Continuous Dispense Mode for filling tea pots or other hot beverage vessels SP9 can be configured as a Twin System with two head units operating independently from a single under counter unit SP9 can also be configured as a Single System with a single head unit operating with a single under counter unit In brew mode once the brew switch is toggled SP9 will recirculate hot water for 15 seconds to preheat the system It will then start to dispense water in 9 pulses The first pulse is 12 of the total volume selected designed as a pre infusion stage The remaining 8 pulses are all of equal volume of 11 of total volume selected Water Volume can be varied from 150ml to 750111 Brew Time can be varied from 1 to 5 minutes The under counter unit can deliver 100 to 120 cups of water per hour at a flow rate of 1 3 litres min Before brewing you should become familiar with the SP9 system controls SP9 ServiceManual docx 06 02 2015 Page 10 of 42 CONTROLS DIAGRAM OF PARTS Toggle switch Quantity Head 100s Gram Time minutes Spray Head Basket Holder Drip Tray Di
13. NGE FILTER message on the screen Setting it to OFF will disable the function Range 100 9900 litres No 3 Sets the time for which the inlet opens every time the machine needs water It minimises temperature fluctuations The value should be picked to allow 0 5 1 C cooling after water intake and depends on the tank size and element power This is a factory setting and should only be changed by trained personnel Range 0 20 0 seconds Resolution 0 1 second No 4 Sets the time at which machine waits for the water too cool down after water intake Measured from the beginning of the water intake The value depends on tank size and element power This is a factory setting and should only be changed by trained personnel Range 0 60 0 seconds Resolution 0 5 second No 5 SERV limits access to SERVICE SETUP setting it to 0000 disables the pin default Back Door PIN is 1793 No 6 PIN entry screen once PIN is set and user wants to access SERVICE SETUP this screen will pop up Use top button to move through positions and bottom to scroll through the values 0 to 9 and again 0 if PIN is accepted you will gain access to the SERVICE SETUP if PIN is rejected machine will reboot Itself Page 15 of 42 No 7 Sets the mode the machine works SPQ Default SP 9 HEAT FILL minimises temperature MODE 5 9 fluctuations TEMP UNITS C CONT FILL continuous fill makes sure MAX TEM
14. P 96 0 the tank is always full but temperature SERV PIN 0000 may vary COOL FILL allows cooling but reduces tank size by using ECO mode MANUAL manual filling No 8 Sets temperature units on screen Celsius Celsius or Fahrenheit MAX TEMP 96 0 SERV PIN 0000 MODE HEAT FILL No 9 This sets max limit of the temperature 98 5 TEMP UNITS C that user can set in USER SETUP max value is 98 5 degrees Celsius SERV PIN 0000 SAVE AND EXIT No 10 Press the eco button to save all the values and reboot the machine Table 3 10 DIAGNOSTICS The SP9 under counter unit is controlled by a processor based embedded system which monitors different aspects of the equipment If a fault is detected the ready light will flash red a number of times pause and then repeat the flashes as long as the fault is detected A list of faults corresponding to the number of flashes between each pause can be seen below 9 ServiceManual docx 06 02 2015 age 10 of 42 SP9 ServiceM 1 4 6 02 Page 16 of Boiler full but not heating low level probe not seeing water Water below low level probe normal at installation Level probes not seeing water Temperature Sensor Failure o c Machine not Filling Table 4 Water Not Heating Temperature Sensor Failure s c Clean Probes Check Water Feed Pressure Clean Water Level Probes Replace Thermistor Heating Element Clean Probes Replace The
15. Remove tank lid from tank identify water level probes flat meta tabs inside water tank normally 2 or 3 probes Dispense as much water from unit as possible using tap Thoroughly clean probes with ScotchBrite or scouring pad Replace tank lid and top cover Reconnect power to boiler and operate as norma TE Y TIPTR a t _ Technical Bulletin TB10020 Descale Clean Water Tank 280514 1 SP9 ServiceManual docx 06 02 2015 Page 20 of 42 Technical Bulletin From Serial No All Models Listed Above Customer Field Service From Date All Water Boilers 4 Affected Priority Low Created By Machines hts era Raymond Dal From Date 2 How to Clean Water Level Probes It is a common occurrence for limescale to build up in the tank of a water boiler The amount of limescale build up is relative to the water hardness a particular area All Marco boilers are controlled by an embedded system which monitors the various aspects of the machine If there is a flashing red light displayed at any time this is an indication that the embedded system has identified a fault The number of flashes between each pause indicates a specific fault The most common indication is two flashes between pauses indicating that the embedded system cannot see water in the tank This can be caused by a number of issues including water feed being turned off low water pressure or most commonly limescale or film
16. VenHse 1 SP9 ServiceManual docx 06 02 2015 Page 37 of 42 t 7 MMENDED SPARE PARTS SP9 Head Unit P N 1000830 Spare Parts T EC 5 9 Under Counter Unit P N 1000831 Spare Parts Tailpiece Hose 1 4 BSP X 12mm 8 eR 1500950 Element 2 4kW 230V Ring Shape 1 1502075 Thermal Switch Dual Pole 125deg 1 2301463 Probe Assembly SubCon 40mmTab 2301460 Probe Assembly SubCon No Tab SP9 ServiceManual docx 06 02 2015 Page 38 of 42 18 DIMENSIONED DRAWINGS SP9 ServiceManual docx 06 02 2015 PALEIS 11 02 15 11 02 15 oo JJ PJT CEA EY APPROVED Head 1000830 n a aw NO MATERA UNLESS GTP E DUS ARE FI ULLA es TOLERANCES UNTAR 0 marco FOURING PERFECTION Page 39 of 42 OE TT Lr bip e gt E ofa TEST gaY 38M 83 10 Si lfd isa osesv 1290601 NOIA234834 0141 81100 AR 431108 2 A D Ul 5 _ GO n FT MA rT 2 2 Y 2 gt 2 lt J 2 3 5 3 5 5 2 gt 5 19 CUT OUT TEMPLATE 8661 080 SP9 ServiceManual docx 06 02 2015 Page 41 of 42 Installation Cut Out Template 192 8mm 63 1 SP9 ServiceManual docx 06 02 2015 Page 42 of 42
17. are damaged such wires can only be replaced by experts or professional service staff from the manufacturer service department or similar functional departments 3 SPECIFICATIONS SP9 Boiler AL 2 4kW Height mm 565 D Width mm 155 Depth mm 395 D Immediate Draw Off litres 4L 42 Hourly Output L hr 24L D A Fittings 3 4 BSP5 50 psi 35 345 kPa US Machines 3 8 E Food grade inlet hose supplied A Pressure 0 5 5 0 bar Earthed Mains Plug to IEC 230vac UK 3 Pin Plug BS1363 EU CEE7 Schuko US NEMA L6 20P Mains Plug 4 O Current Rating 11 5 amp Power Rating 2 4kW Table 1 SP9 ServiceManual docx 06 02 2015 Page 4 of 42 4 INSTALLATION Electrical Installation e Electrical specification 2 4KW 230VAC 50 60Hz e moulded 13A IEC power cord is provided This should be plugged into the IEC connection on the base of the boiler and plugged into a suitable 13A power outlet e When installing the machine always observe the local regulations and standards Plumbing Installation e Mains water pressure required limits 5 50psi 35 345kPa 0 5 5 0 bar e Fita stop Valve on a cold water line and attach a 3 4 BSP male fitting e g 3 4 x 1 2 311 or washing machine type stop valve For US versions use 3 8 male fitting Connect straight tailpiece of the hose to the stop valve f
18. ashes between pauses indicating that water can t be seen in the tank This be caused by a number of issues most commonly limescale or film build up on the water level probes Descaling Procedure gt Isolate machine from power supply gt Isolate machine from water supply ALLOW TO COOL COMPLETELY Drain water from machine gt Remove all lids gt Remove as much scale as possible by hand paying particular attention to level probes White plastic with steel tab Be very careful not to damage any attachments gt Use ScaleKleen Marco No 8000270 or similar Follow instructions carefully gt Thoroughly clean and flush the machine before re use gt Clean water level probes with ScotchBrite gt Follow installation and first time operation instructions NB Always clean the water level probes after descaling and rinsing the tank To Clean Water Level Probes gt Turn off water feed to unit Dispense as much water from unit as possible using two clicks at the head unit Turn off unit at wall socket or unplug from wall socket Remove top cover from boiler Remove tank lid from tank Identify water level probes flat metal tabs inside water tank 3 probes Thoroughly clean probes with ScotchBrite or scouring pad Replace tank lid and top cover Heconnect power and water to boiler and operate as normal NONO NO NON ON SP9 ServiceManual docx 06 02 2015 Page 19 of 42 marco Technical Bulletin
19. holding the probe on the inside of the tank remove the retaining nut on the outside The probe can now be removed and replaced See diagram on next page Note Probes should only be replaced if leaking or physically damaged Usually any probe issues can be resolved by cleaning them with ScotchBrite Heating Element Replacement To replace the heating element empty the tank and gain access through the tank lid opening Disconnect the spade connectors from the outer connectors of the heating element While holding SP9 ServiceManual docx 06 02 2015 Page 27 of 42 the heating element on the inside of the tank remove the retaining nuts and seals on the e l The heating element can now be removed and replaced See diagram on next page Note Do not over tighten the retaining nuts as this could deform the seals and cause leakage Over Temperature Cut Out Replacement To replace the over temperature cut out switch remove the spade connectors from the switch Remove the two retaining nuts and remove the switch When replacing use a little thermal conductive paste to ensure good thermal conductivity See diagram on next page 0 0 Figure 18 SP9 ServiceManual docx 06 02 2015 Page 28 of 42 14 COMPONENT ACCESS HEAD UNIT All internal components can be accessed by removing the three main panels as indicated in the diagram below Top Flat Panel Remove 3 screws Before removing top flat panel remove the reser
20. itting Make sure that the pre attached sealing washer is fitted e urn the water to flush any impurities dust etc from the inlet hose and water pipe Allow several litres through Connect right angled tailpiece of the hose to the inlet valve of the boiler 3 4 BSP Make sure the sealing washer is fitted here also e Turn on water and check for leaks Installation of SP9 Head Unit A full A4 sheet sized version of the counter cut out template seen opposite in Figure 1 can be found on the last page of this manual The cut out is simply two 80mm holes centred 83mm apart Alternatively the area outlined in red bounded by the two circles and the parallel lines obround shape can be cut out using a jig saw or similar Once the cut out is complete mount the SP9 Head Unit using the brackets supplied See Figure 3 below Use the appropriate rubber spacers on the brackets to match the thickness of the counter Attach the electrical connector and the two hoses to the appropriate ports on the under counter unit A goes to A B goes to B and DIN goes to DIN For a Single Head System use A1 B1 and DIN1 Figure 1 For a Twin Head System connect Head Unit 1 as in a Single Head System Connect Head Unit 2 to A2 B2 and DIN2 The hoses should be secured with the supplied hose clips The Undercounter Unit should ideally be positioned directly below the Head unit installed position SP9 ServiceManual docx 06
21. nal Connector 13 Thermistor Connector 14 DIP Switch 3 way 15 Tactile Switch 16 Water Level 5 way connector low voltage 17 Button Connector 4 way 18 Data I O Connector 4 way 19 Relays Inlet Solenoid Page 25 of 42 Replacing the Main Control Board If the main control board needs to be replaced note the position of all connections and the DIP switch settings Remove power to the under counter unit and remove all connections from the main control board Using a pillar release tool or a BIC biro with the refill removed release each pillar in turn while applying slight pressure to the back of the control board Once all pillars have been released remove the board completely PILLARS fpe TON IBN aZ Figure 15 Before fitting the replacement main control board ensure the DIP switch settings correspond to those of the original control board as noted earlier Ensure all connections have been replaced in the correct positions before applying power to the machine The diagram on the previous page details all connection points on the main control board CUT CABLE TIES Figure 16 SP9 ServiceManual docx 06 02 2015 Pump Replacement To remove a pump cut the retaining cable ties unplug the electrical connections and remove the silicon hose from the outlet port on the pump The pump is push fit and is held in place by the 7 seal and the si
22. nducted by a trained service engineer See guidelines below Dispense Volume Calibration Once all installation procedures are carried out the Head Unit is ready to be calibrated 1 2 Turn volume dial to Max Set Brew Time to 2 minutes 3 Place large container gt 1 litre of known weight under spray head 4 Initiate brew 5 Weigh amp record brew output 6 The output should be 750g plus or minus 10g 7 If output is within 10g of 750g calibration is complete 8 If not enter calibration mode by holding down toggle switch for min 3 sec 9 A long beep will sound to confirm the unit is in calibration mode 10 Enter the volume recorded via the brew switch using the following example gt f 724g was measured gt The toggle switch is used to input each digit successively SP9 ServiceManual docx 06 02 2015 Page 8 of 42 To enter the toggle switch is toggled 7 times A long beep will sound To enter the 2 toggle the toggle switch 2 times A long beep will sound To enter the 4 toggle the toggle switch 4 times To enter a 0 value simply do not toggle the toggle switch lf calibration is successful a long beep will sound at the end of the process If not multiple short beeps will sound 11 Verify calibration by repeating steps 2 5 VV VV VV WV CALIBRATION 1 Turn quantity to maximum value amp time to between 2 3 2 Dispense note not using continuous dispense mode minutes 3 Weigh output
23. phoning action of the pump Pull or pry the pump from the seal to remove Follow the instructions above in reverse to replace the pump Page 26 of 42 marcos Display Board Replacement Remove the ribbon cable from the display board Remove the four retaining nuts When removing the display board be careful not to lose any spacers as the distance between the display board and front panel is critical to the operation of the switches on the board Fit the replacement board and replace the four retaining nuts Do not over tighten as this will affect the distance between the front panel and the display board REMOVE RIBBON CABLE Figure 17 24vdc Power Supply Replacement Disconnect power to the under counter unit The cable connections can be removed before removal of the 24vdc power supply or after the retaining screws have been removed depending on access and preference The 24vdc power supply is retained on its mounting bracket by two screws accessible from the bottom of the bracket Remove the two screws and the cable connections if applicable and remove the 24vdc power supply Replace the 24vdc power supply and the cable connections Ensure the connections are replaced back in to the correct terminals Waiter Level Probes Replacement To replace the water level probes empty the tank and gain access through the tank lid opening Disconnect the wiring harness from the outer threading part of the probe While
24. rmistor Check Water Feed Inlet Solenoid Clean Probes DISPLAY STATUS MESSAGES 11 Staus Description BOILER OFF Machine off Display backlight off but temperature read out still working FILLING Water level below low level probe Machine is filling automatically Status LED 2 red blinks SP9 ServiceManual docx 06 02 2015 Page 17 of 42 Water level below low level probe Machine has to be FILL THE TANK refilled manually shown only in MANUAL mode Status LED 2 red blinks WAIT Water is being heated Dispense valve disabled Water is up to the temperature and can be used Note that BOILER READY only means that the tank is heated and not that it is Status LED green Water is being dispensed If machine is set to time DISPENSE dispenses there will also be a progress bar drawn underneath Dispense can always be cancelled by clicking the dispense button again Machine was set by the user to a lower temperature than the current tank temperature and is trying to cool down by COOLING taking in more cold water This process may take between 20 seconds to a few minutes depending on tank size and temperature difference Works only in COOL FILL mode Machine cannot take more cold water to cool the tank DISPENSE WATER because it is full Water needs to be dispensed to allow TO COOL THE TANK room for more cold water to come in and finish cooling process DESC
25. splay Screen Boiler Service Hatch Power Ready Status Indicator Set Button Head Box Contains Boiler Box Contains 5 9 Head amp mounting brackets SP9 Boiler Hosing Power Cord Spray Head 4 hole factory fitted Vent Hosing Spray Head 7 hole Instruction Manual Instruction Manual Water Inlet Hose Note Alternate spray head not suitable for cup by cup swapping Preferred sprayhead should be selected at install prior to calibration Figure 6 BREWING SP9 ServiceManual docx 06 02 2015 Page of 42 select the required volume of water to be dispensed using the upper control knob select the brew time also referred to as the dispense or contact time using the lower control knob Start the brew by pressing the toggle switch once Three beeps will be heard when the brew cycle has completed For continuous dispense mode select the volume of water to be dispensed and press the toggle switch twice Brewing 1 Select quantity 2 Select time Figure 7 7 MENU NAVIGATION SP9 ServiceManual docx 06 02 2015 Page 12 of 42 Display Panel Live Temperature Readout Status Information Power Status Ecomode Undercounter Unit Modes of Operation Ensure the Undercounter unit is set to SP9 Mode for use with the SP9 head unit The SP9 Undercounter Unit has many settable features which gives the operator greater flexibility in choosing how the unit will operate
26. tus light will cycle two red flashes while the machine is filling to the safe level e After this amount of water has heated to about 94 C the boiler will draw more water in until the temperature drops by 1 or 2 degrees The boiler will then heat again This heat fill cycle continues until the boiler is full e Ensure the Undercounter unit is set to SP9 mode for use with the SP9 brewer See Menu Navigation section in this manual e While filling the Ready Status light will remain blank The Ready Status light will glow green when the machine is both full and up to normal operating temperature Allow approximately 15 minutes e The boiler is now ready for use the display will show the Water Temperature and the status READY 5 SETUP AND CALIBRATION Operating the Head Unit for the first time To help prevent heat loss between the Undercounter unit and the Head unit the silicone hose can be insulated with hose insulation Simply cut the insulation to the correct length required Once the Head Unit installation procedure has been carried out place a 1 litre jug under the dispense head Set the dispense volume to 750ml and press the start switch twice This will dispense 750ml in one delivery without pausing Measure the dispensed volume to confirm factory calibration 750ml 10ml If the volume is not satisfactory proceed to the calibration procedure below to calibrate the Head Unit The calibration should only be co
27. using electrical appliances basic safety precautions should always be followed to prevent the risk of fire electric shock burns or other injuries or damages Read all operating and safety instructions carefully e This machine must be earthed If the moulded plug supplied is not used then ensure that the green yellow cable is connected to a suitable earth Risk of flooding The hose supplied with the boiler is non toxic food quality tested to 190psi However a hose is not a permanent connection It is therefore advisable to switch off boiler and close the stopcock valve when boiler is not in use e g overnight etc e The utmost care has been taken in the manufacture and testing of this machine Failure to install maintain and or operate this machine according to the manufacturer s instructions may result in conditions that can cause injury or damage to property If in any doubt about the serviceability of the machine always contact the manufacturer or your own supplier for advice This machine is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety SP9 ServiceManual docx 06 02 2015 Page 3 of 42 Children should be supervised to ensure that they do not play with the machine e e In the event any wires
28. voir gasket No 9 on Spare Parts Schematic Front Flat Panel Remove 4 screws Front Curved Panel Remove 2 screws Be careful when removing front curved panel as the reservoir is mounted inside this panel Figure 19 SP9 ServiceManual docx 06 02 2015 Page 29 of 42 Head Unit Control Board Replacement Remove the front curved panel as described previously It should be possible to achieve sufficient clearance for removal of the control board without having to disconnect the tubing from the reservoir Disconnect the cable connection from the control board Remove the adjustment knobs and retaining nuts from the adjustment pots Remove the head unit control board from inside the head unit Replace the control board by following the preceding instructions in reverse Reservoir and Solenoid Replacement Remove the front curved panel as described previously Disconnect the wires from the solenoid Remove the tubing from the bottom of the solenoid and the three tubes from the bottom of the reservoir Remove the retaining nuts and silicone spacers from the reservoir The solenoid is attached by pushing it in to the silicone mounting seal in the reservoir Remove the solenoid from the reservoir by pulling the two apart while twisting them When replacing the reservoir or solenoid follow the instructions above in reverse Figure 20 SP9 ServiceManual docx 06 02 2015 Page 30 of 42 15 ELECTRICAL SCHEMATICS 2354

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