Marco Beverage Systems Ltd. Service Manual Uber Boiler
Contents
1. View Neighing Platform 4x Button inputs Upper Display Upper PCB Control Panel Uber Boiler Service Manual 240614 doc Rev 2 Page 10 of 44 Uber Boiler Side View Uber Boiler Service Manual 240614 doc Rev 2 Uher Project Mechanical Ball Valve Load Cell Vent Hot Water pump Nikkiso 230Vac Page 11 of 44 Uher Sraject 2 1 PRINCIPLE OF OPERATION e The Uber Boiler is designed to be a highly accurate hot water delivery system This temperature accuracy is achieved by several features o In stand by the water is maintained at a set temperature Prime Mode This is controlled via a thermistor in the tank o In Boost Mode the hot water is circulated through the FONT to reduce any temperature loss second thermisor located in the FONT is now used to control the temperature of the water and therefore ensure the accuracy of the delivered water a specialised software algorithm APLogic is used to control the temperature within 0 29C 2 1 1 Simplified Operation 1 The unit is preset to a Prime Temperature at the factory this may be changed by the user This is the stand by mode and the temperature is displayed on the display panel as Tank Temp 2 The user presses the Boost button and holds this button down until the desired set temperature is displayed on the display panel 3 The Uber Boiler will now ramp the tank temperature from the Prime setting up to the Set T2. 0 BoNvMO c 5 Bm 4102 0 MOTIBA H21IMS p 140 50 MBMOd j mv wwpgz 50 0418 MOTIBA Dd eS RUN 191 CE be SO nove MOTIBA i m Q an Q Un gt Q n lt 43 of 44 Uber Boiler Service Manual 240614 doc Rev 2 00509 HOLIANNOO JAG 1133 VO I 10 0108 934 9190 OL 31993 NOTH AYA ST AJ 43347 Ti D K 14510 ddn 894 9070091 00000000 E 8 269009 AHOISINGSHL d 185 3 5 104 15 09 AV Ids 970 woe so 033 1H9I3M 1 J 15008 0 038 uwuuipe 6 0 yovig j 440 v 8101061 uug G4WOd NOLIN HSfld anya 0111 680 wupu 8 0 l d 110111 59 0184894011 0 NMOMNB j Page 44 of 44 Uber Boiler Service Manual 240614 doc Rev 2
3. Uber Boiler Part Model Number 1000680 1000681 where is a suffix of one or more alphanumeric characters INCORPORATING SOFTWARE 1 10 Water pressure 5 50 psi min max 35 345 kPa min max Marco Beverage Systems Limited Marco Beverage Systems Limited 63d Heather Road Shire House Strixton Manor Sandyford Industrial Estate Strixton Wellingborough Northants Dublin 18 NN29 7PA lreland Tel 353 0 1 295 2674 UK Tel 44 0 2072 744 577 lreland Fax 353 0 1 295 3715 UK Fax 44 0 2079 788 141 email sales marco ie email sales marco bev co uk www marco ie www marco bev co uk Uber Boiler Service Manual 240614 doc Rev 2 Page 1 of 44 Uher Sraject CONTENTS 1 INSTALLATION 1 1 Unit Installation Information 1 1 1 Safety Instructions 1 1 2 Installation Details 1 1 3 Cleaning 1 1 4 Limescale 1 1 5 Precautions 1 1 6 Installation Template 2 OPERATION 2 1 Principle of Operation 2 1 1 Simplified Operation 2 1 2 First Operation 2 2 Display and Controls 2 3 Operation Modes 2 3 1 Prime Mode 2 3 2 Boost Mode 2 4 User Setup SERVICE 3 1 Service Setup 3 1 1 Delta Values 3 2 Uber Boiler Calibration Instructions 3 3 Uber Boiler Internal Plumbing 3 3 1 Flow Rate Adjustment 3 3 2 Temperature Calibration 3 4 Uber Boiler Pump Replacement 3 5 Display Board Replacement 3 5 1 Disconnecting The Machine 3 5 2 Removal Replacement of Display Board Bracket Uber Boiler Service Manual 240614 doc Rev
4. BOOST button to increase the SET TEMP shown on the screen 0 1 C steps holding down the button will quickly cycle it upwards The set up temperature range is between Prime temp and Max temp After setting up the machine it will start to heat to the desired temperature and will maintain it within 0 2 C The SET TEMP may be increased at any time by pressing the BOOST button Pressing Uber Boiler Service Manual 240614 doc Rev 2 Page 16 of 44 Uher Sraject PRIME button will make the machine go back to Prime Mode and reset the SET TEMP back to Prime temp The machine will refill when in Prime mode and so take time to heat back up again The Boost Mode is based on the Advanced Proportional Logic APLogic control algorithm that controls the heating rate to avoid temperature overshoots 2 4 USER SETUP software ver 1 10 To change the Prime Temperature setting and the Temperature Unit it is necessary to access the User Setup menu To enter User Setup press all four buttons on the front tile and then release them While pressed the screen will show USER SETUP message in its first line Buttons on the left hand side change calibration option up down See options below Buttons on right hand side adjust the calibrated value up down press longer to repeat Screen view Description Default Options 1 2 USER SET P Sets temperature at which the element clicks off Prime temp in prime mode The turning on temperature is
5. TEMP 158 852 0 5 degree below this point USER SETUP Sets temperature measurement units Celcius Teme units Fahrenheit Fahrenheit Celcius Press TIME button to accept all the settings they will be stored in the non volatile memory To cancel and come back to the previous settings turn the machine off and on again Uber Boiler Service Manual 240614 doc Rev 2 Page 17 of 44 Uher Pisj ject 3 1 SERVICE SETUP software ver 1 10 The following information is for Calibration purposes and should not be required for normal use conditions To enter calibration mode press all four buttons on the front tile at the same time and hold them until SERVICE SETUP message will appear on the first line of the screen approx 5 seconds Buttons on the left hand side change calibration option up down See options below Buttons on right hand side adjust the calibrated value up down press longer to repeat Options 1 10 value Sets offset value for tank temperature sensor SERUICE SETUP The offset is the difference between absolute Iu temperature and a measured one mu rp It is factory set using calibrated instruments z TEMP shows live readout from tank sensor with the applied offset Sets offset value for font temperature sensor SERUICE SETUP The offset is the difference between absolute temperature and a measured one TEMP 16 It is factory set using calibrated instruments O
6. as a dedicated drain facility If a waste bucket is used it risks overfilling e The utmost care has been taken in the manufacture and testing of this unit Failure to install maintain and or operate this boiler 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 boiler always contact the manufacturer or your own supplier for advice e Children should be supervised to ensure that they do not play with the appliance e Inthe event any wires are damaged such wires can only be replaced by experts or professional afterservice staff from the manufacturer afterservice department or similiar function departments 1 1 2 Installation Details Electrical installation e Electrical specification 2 8kW 230V 50Hz e The electrical power supply must be connected in accordance with the applicable regulations of the country of installation Plumbing installation procedure e Mains water pressure required limits 5 50 35 345kPa e Fitastop 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 e For US versions use 3 8 NPT male fitting e Connect straight tailpiece of the hose to the stop valve fitting Make sure that the pre attached sealing washer is fitted e Turn the water to flush any impurities dust etc from the inlet hose and water pipe Allow sever
7. so it will be slowly dropping in temperature so you must act quickly when setting your offset to match the max temp reading The font thermistor is far more sensitive than the tank thermistor since it is now calibrated you can use it to set the tank temp There is a temperature drop of 0 5 C between the tank and font outlet i e the tank is always 0 5 C hotter While in calibration mode you can note the current font temp Uber Boiler Service Manual 240614 doc Rev 2 Page 23 of 44 Uher Sraject readout and quickly scroll back to option 1 to set the tank temperature e g if your calibrated font temp is 95 C then set your tank to 95 5 C If either thermistor offset is greater than 1 C then the thermistor should be replaced and recalibrated If the font thermistor is out of range it must be replaced before calibrating the tank temperature Scroll to the Save amp Exit option and press Time to Save Above are photos of the tube feeding from the pump into the tank The photo below shows the pipe bending up towards the font This is the tube which is most likely to have a kink in it When the back panel is put in place it could press against the tube and cause a kink If there is a kink you can try to squeeze the tub and reposition it to remove the kink If it is too long or too short you can try to gently pull or push this tube near the font area to make it slacker or tighter to remove the kink Uber Boiler Service M
8. tube This is approximately the position to give a good flow rate If dispense flow is low and there does not appear to be a kink in the tubing you could try adjusting this ball valve for more or less dispense pressure from the font By moving the lever to the left more inline with the pipe it will open up the valve more This will result in more water returning to the tank and a lower flow rate from the font It would also allow foreign objects to pass through if there is debris in the tubes By pushing the lever downwards it will close the valve It should not be closed completely as this would stop circulation in the system completely It would however increase the flow rate from the font The last tube on the right is the tube from the pump The thermistor thermometer is in the metal T piece This is the tube which could be pushed up or pulled down slightly to relieve any kinks at the bottom a To Font E H 8 S Anti Vacuum Valve A gt g e 1 Water Feed From Pump 3 3 1 Flow Rate Adjustment The ball valve on the back of the tank should be set to the approximate position as shown below When the tank is full displaying PRIME READY FULL press Boost and change up to 94 5 95 5 C Place an empty container on the scale and zero the scale Fully open the dispense dial on the font and at the same time start the timer close the dial after 20seconds Note the weight of
9. 2 Page 2 of 44 Uher Sraject 3 SERVICE cont d 3 6 Uber Boiler Load Cell Replacement 3 6 1 Attaching Loadcell to Tile 3 6 2 Fixing Support Platform to Loadcell 3 6 3 Platform Adjustment Screws 3 6 4 Font Dial Replacement 3 7 Font to Tile Installation Instructions 3 7 1 Aligning the Font on the Tile 3 7 2 Connecting the Font Tubing 3 8 Water Level Probes Installation TECHNICAL 4 1 Uber Boiler Functional Diagram 4 2 Spare Parts Diagrams 4 3 Electrical Schematic Uber Boiler Service Manual 240614 doc Rev 2 Page 3 of 44 Uher Sraject 1 1 UNIT INSTALLATION INFORMATION 1 1 1 Safety e Risk of scalding Beware of accidentally operating the water drawoff dial or push buttons especially when cleaning If the dial is left in the ON position shown later then pressing boost will cause water to flow immediately from the font e This appliance must be earthed If the plug supplied is not used then ensure that the green yellow cable is connected to a suitable earth e Risk of flooding inlet hose The hose supplied with this unit 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 weekends etc e Risk of flooding overflow hose Water spilling in the scale platform area will run down a waste tube which should be plumbed this is not intended to be used
10. FFSET 3 TEMP shows live readout from font sensor with the applied offset SERUICE SETUP Sets maximum temperature at which the element can Lene be switched on Both sensors tank and font are TEMP 37 590 monitored if any reading is above set value the element switches off Sets heating delta factor This number tells the software how many energized seconds it will take to heat up the tank by one degree This number is proportional to the SERVICE SETUP size of the tank and inversely proportional to the power l 1 of the element Setting value too high will make the machine overshoot too much setting too low will make the process of reaching the set temperature slower This value must be altered for different tank sizes and different voltages see next page for info amp table A Sets the time for which the inlet opens every time the machine needs water It minimises temperature Let 5 TIE 70014 fluctuations The value should be picked to allow 0 5 cooling after water intake and depends on the tank size and element power This is a factory setting and should Uber Boiler Service Manual 240614 doc Rev 2 Page 18 of 44 SERVICE SETUP 5 Dead time 12 181 SERVICE SETUP Boost timeout ae AA TIME SERUICE SETUP Tank size LARGE kemember to update SERVICE SETUP Scale zero amp 1kg WE IGHT IME zenro m BOOST 1k9 SERVICE SET
11. T TEM IE E 11 11 wr Try ME 1 1 First line on the display shows status message Status Description O O PRIME FILL Tank is filling not heating until reaches the middle level probe Boost button disabled PRIME HEAT Tank heating not filling until temperature in the tank reaches Prime temp Boost button disabled Tank is heating and refilling Temperature is maintained around Prime PRIME READY temp value Boost button is operational and puts machine into BOOST mode Tank is not full yet Tank is heated up to the Prime temp and reheats once the temperature PRIME READY FULL falls 0 5 C below Prime temp Boost button is operational and puts machine into BOOST mode Tank is full Pump is running allowing to dump all water from the tank through the font EMPTYING THE TANK Inlet disabled Option triggered by pressing PRIME button for more than 5 seconds Press PRIME again to quit Machine in BOOST mode Water inlet disabled Shows the target temperature set by pressing and holding BOOST button Machine heats up to the set temperature and maintains it within 0 2 Press PRIME button to go back to PRIME mode LEVEL Only when in LARGE TANK Mode Service Set up Menu 8 Display board lost communication with boiler PCB can not receive serial data about temperature and level probes All actions cancelled Whenever communication is restored machine will go back t
12. UP Save 6 TIME exit Lo only be changed by trained personnel Sets dead time measured in seconds from the beginning of every heating cycle in BOOST mode when software waits for the tank sensor to record temperature change Value depends on element time constant and placement of the thermistor Setting the value too high will make temperature swing too much in BOOST mode setting too low will make machine overshoot too much Sets BOOST mode time out Timer starts at the beginning of the BOOST mode Machine goes back to PRIME mode after that time to avoid unit being left in Boost Mode for too long This sets the tank volume switching between 2 probes LARGE is a 76 drawoff and SMALL is a 2L drawoff In SMALL 2L mode the temperature increases faster e g to boost from 90 to 96C will be quicker There is no difference in recovery rates i e if you take off 1Litre of water in either mode it takes 2min for it to heat back to 90C A 2L setting is typically used when you require lower brew volumes and more varied temperatures between brews Calibrates weighing scale 1kg weight is needed Do NOT press any of the right hand side buttons if you don t have any reference weight TIMER button sets scale to zero BOOST button sets new value for 1kg To recalibrate the scale empty the weighing platform press TIMER button reset scale to 0 place 1kg calibration weight press BOOST button set new value for 1k
13. al gallons through Uber Boiler Service Manual 240614 doc Rev 2 Page 4 of 44 Uher Sraject e 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 1 1 3 Cleaning The exterior of these machines may be cleaned with a damp cloth and a light detergent Do not use abrasive cloths or creams as this will spoil the finish of the machine Do not use a water jet or spray NB To avoid the possibility of accidentally operating the Font Dial or buttons when cleaning the front of the machine switch the unit off using the switch at the bottom of the unit 1 1 4 Limescale In common with all water boiler manufacturers service calls resulting from limescale are not covered by warranty Fitting a scale reducer or in line filter is recommended especially in hard water areas This can reduce the build up of scale but may not stop it altogether The frequency that descaling is required depends on the local water supply hard water areas need more attention Descaling of the machine should ideally be carried out by qualified service personnel Descaling Instructions Descale agents solution should be added to the Tank via the large tube as shown in photo below Follow the descale agent instuctions Bring the Uber Boiler up to temperature and allow to fill and heat until Prime Ready Full is shown on the screen Turn off the wa
14. alue 13 0 this will change to 8 0 if a customer requests a preset 2L tank or if they are operating at a different voltage it will be a different value R amp D 6 Inlet Time 00 03 7 Dead Time 00 12 8 Boost Timeout 06 00 9 Weighing Scale Ensure the weighing scale platform is level with the tile and is sitting square in the tile i e equal spacing around the 4 sides make sure it cannot be moved by gently trying to rotate it Use a 1kg reference calibration weight to calibrate the scale When nothing is on the scale platform press Timer to set zero Now place the 1kg weight on the scale and press Boost to set the 1kg reading Now remove the weight and place the 100g calibration weight on the scale and note the reading on the test bench form now replace the 1kg weight and note the reading on the form If either is off by more than 1g then recalibrate and test again if still off see R amp D 10 Tank Size LARGE this is 6L it could be set to small if a customer requests it preset 11 Save amp Exit Once settings are correct press Time to save Uber Boiler Service Manual 240614 doc Rev 2 Page 21 of 44 Uber Praject 3 3 UBER BOILER INTERNAL PLUMBING Below is a picture of the top of the tank The first tube on the left is the tank vent which attaches to the driptray to vent out any steam The middle tube is the recirculation tube feeding back into the tank You can see the position of the ball valve handle on this
15. anual 240614 doc Rev 2 Page 24 of 44 Uher Sraject 3 4 UBER BOILER PUMP REPLACEMENT Remove the back panel for access to the Nikkiso pump In the photo below the water feed from the tank and the pump outlet tube going up to the font can be clearly seen Font ta Water Feed L3 f Pump Feed From Tank m To replace the pump remove the two mounting screws from the pump mounting bracket Release the tube clamps and remove the input and output tubing from the pump Disconnect the pump wiring at the bullet connectors Install the replacement pump using the steps above in reverse order Note The orientation of the pump head may need to be changed to the orientation shown above To change the orientation of the pump head remove the four retaining screws rotate the head to the required position and replace the four retaining screws Uber Boiler Service Manual 240614 doc Rev 2 Page 25 of 44 Note Prior to replacing the Display it is recommended that the current settings for the Uber Boiler are recorded so that they may be reset with the new Display The New Display contains factory settings which may or may not have been changed by the user Special notice should be made of the Temp Offset settings These should be the factory settings as they are to do with the optimum operation of the Boiler and should not be changed by the user See Service Setup Section for details of how to r
16. d the upper tile Leave adequate clearance on your counter top and check the space below the counter cabinet to ensure there is enough room e Cut out the counter top to be 410x195mm This dimension includes clearance tolerance space the lower part of the machine the actual machine is approx 405x190mm The full dimensions are shown on the following page e Hold the machine by the tile and slowly lower it down into the cutout It is advisable to wear thick work gloves A second person may be needed to hold the machine at the bottom Be careful not to trap fingers under the tile as it is lowered e The weight of the machine when filled should be enough to ensure it does not move If further fixing is required silicone can be used to stick the tile to the counter However it is advisable to leave the machine free to be taken out for servicing Uber Boiler Service Manual 240614 doc Rev 2 Page 7 of 44 Uher Sraject 1 1 6 Installation Template 400mm 490mm 470mm UBER BOILER INSTALLATION DASHED LINE SHOWS COUNTER CUTOUT Uber Boiler Service Manual 240614 doc Rev 2 Page 8 of 44 Uber Sraject Uber Boiler Front View Upper PCB Control Panel Load Cell Water Level Probes Thermistor pocket location 2 8kW 230Vac Element Water inlet solenoid Lower PCB Power Control board Uber Boiler Service Manual 240614 doc Rev 2 Page 9 of 44 Uher Sraject Uber Boiler
17. dle connected to the Font head ball valve loosen the grub screw accessible from the centre of the Dial If the ball valve is found to be dripping leaking check that the spindle is not worn allowing the ball valve to rotate past the Off position When refitting the ball valve nozzle assembly use the nylon slide bearing on the spindle to centre the assembly before tightening the fittings Uber Boiler Service Manual 240614 doc Rev 2 Page 34 of 44 Uher Sraject 3 7 FONT TO TILE INSTALLATION INSTRUCTIONS Make sure all parts are on clean sponges or polystyrene to stop scratching Build up a platform so the font can rest on its side at the correct height to be bolted onto the tile Now place tape around the 4 sides of the opening in the tile to prevent the tubes rubbing off the bare metal cut out Insert the locking bracket into the bottom of the Font see diagram on next page Carefully place the Font against the tile Loosely screw in the 4 bolts Uber Boiler Service Manual 240614 doc Rev 2 Page 35 of 44 Uher Sraject Insert locking bracket inside bottom of the Font Loosely screw in 4x M6 bolts Uber Boiler Service Manual 240614 doc Rev 2 Page 36 of 44 marc o Uber Project 3 7 1 Aligning the Font on the Tile Check that the back of the font is square with the tile to do this measure the distance from the edge of the tile to the font it should be equal on both left and right corners the dimension its
18. e The display will show PRIME READY at this stage and the BOOST button will be enabled e Once the water level in the tank has reached the high level probe full the heater will turn off and display will show PRIME READY FULL e The boiler is now ready for use e Use of the Time and Weigh Features o Time 00 00 when the Timer Button is pressed the display will indicate time elapsed in minutes seconds This can be used to indicate the brewing time Pressing the button once quickly will pause the current time which can be restarted again Pressing the button for more than 2 seconds resets the Timer display to zero o Weight 0000 this is in grams Pressing the Weigh button will reset the weighing scale The brewing vessel can be placed on the scale drip tray and the display will show its weight Pressing the Weight button again will zero tare the scale so that when the coffee grind is added to the basket its weight can be displayed This is to help control the Coffee Water ratio 1ml of water weights approx 1gram o 9kg is the max allowable weight on the scales DO NOT OVERLOAD Weighing scale platform Display Boost ea Uber Boiler Service Manual 240614 doc Rev 2 Page 13 of 44 P 201283 2 2 THE DISPLAY AND CONTROLS The Display screen contains 4 lines of information anms j e gt 71237 5 TINE a vast apum mm 154 15 e EN ILI i J es
19. e rod as shown Uber Boiler Service Manual 240614 doc Rev 2 Page 30 of 44 At this point the valve be moved freely toward away from the front of the font When aligned properly insert the dial using the guide rod to locate it onto the mating ball valve The black dot on the dial should be visible from the front of the machine in the closed position and visible from the top when open Look down from the top of the font not the front and visually examine the dial to see if the dial is parallel to the side of the font Move the valve forward or back until it is aligned parallel When parallel lock the valve in place firmly using a 22mm spanner Make sure the spanner is covered in tape or otherwise protected to prevent scratching the font Uber Boiler Service Manual 240614 doc Rev 2 Page 31 of 44 marco qw Uher Sraject Look at the font from the front to check the dial is parallel with the sides If this is not parallel then the metal must be bent slightly to adjust it To do this remove the dial and slide bearing the fitting should be fully locked in place at this stage Now insert a strong screwdriver and lever the fitting up or down until it appears aligned Refit the slide bearing and dial and confirm that it s parallel Uber Boiler Service Manual 240614 doc Rev 2 Page 32 of 44 Uber Boiler Service Manual 240614 doc Rev 2 Page 33 of 44 Uher Sraject To remove the Uber Font Dial and spin
20. elf is not important When confirmed square fully tighten the 4 bolts down gt gt gt rE 7117171111711171111 SPRIE 1 I Uber Boiler Service Manual 240614 doc Rev 2 Page 37 of 44 Uher Sraject Tape on edges to stop damage to tubes during installation 2 e Connect the return silicone tube marked black to the ball valve on the tank Connect the other font tube to the thermistor tee piece Connect the drip tray overflow to the tank overflow Secure all hoses with plastic hose clips F clips on the tank tit and ball valve G clips on the Tee piece Ensure the hose clips are turned in towards the tank so they do not crash against the surround panel Ut Do Thermistor T Piece Uber Boiler Service Manual 240614 doc Rev 2 Page 38 of 44 Uher Sraject 3 8 WATER LEVEL PROBES INSTALLATION INSTRUCTIONS The new software requires that the 3 level probes are connected if the Uber already has the 3 probes connected no change is required In earlier version of the Uber Boiler only 2 probes may have been connected This kit contains a probe wiring loom see below This should be connected to the Probes as in the photo below Top probe is Red Wire Middle probe is Green Wire and bottom Probe is Yellow Wire Red Wire Connector to PCB Uber Boiler Service Manual 240614 doc Rev 2 Page 39 of 44 Uber Project 4 1 Uber Boiler Functional Diagram Uber Boiler Service Ma
21. emp while recirculating the water through the Font 4 When the set temperature is reached the user will rotate the Font Dial counterclockwise to start the flow of water 5 To select another set temperature the user should press the Prime button return the unit to the Prime Mode and repeat step 2 to the new temperature 6 Ifa user has several brews volumes to dispense they should remain in boost mode where possible otherwise the tank will refill with cold water when you return to Prime and will take approx 2min to heat each 1Litre of water If you have several brews in a row at different temperatures it is best practice to do your colder brew first and then heat up while still in Boost as you cannot cool down in boost mode 2 1 2 First Operation e Check that all installation procedures have been carried out e Ensure water valve is on e Ensure Font Dispense Knob is in the Off position e Plug boiler into 13A socket and operate the Power Switch located on the bottom of the boiler e See Photo 1 for location and name of each feature e The boiler will take in water to the middle level probe and commence heating The display will show PRIME FILL and the TANK TEMP will show the temperature of the water in the tank Uber Boiler Service Manual 240614 doc Rev 2 Page 12 of 44 Uher Sraject e Once the temperature reaches the set point the boiler will continue filling the tank in short bursts to maintain constant temperatur
22. eview the boiler settings 3 5 1 Disconnecting the Machine Turn off the machine and unplug it at the mains and allow it to cool completely Remove the front service panels unscrew the 4 screws on each panel and they should drop off Front Boiler panel Access screws highlighted 3 5 2 Removing and Replacing the Display Board Bracket Unplug all 5 connections from the PCB you must gently push the plastic tabs back and then pull the connections out Unscrew the 4 M6 nuts using a 10mm socket driver be careful as the screen will fall away when all screws are removed 10mm Socket Driver Remove the transparent protective plastic from the PCB screen Attach the new screen using the Same nuts making sure the orientation is the same but do not fully tighten the nuts yet There may Uber Boiler Service Manual 240614 doc Rev 2 Page 26 of 44 marco Uber Project have been washers on the old display bracket but these are not essential and would be difficult to replace so you can just use the M6 nuts 146 filrh To make sure your new display is centred amp straight look at an angle into the window and see that the metal border on the display is in line with the metal line on the tile It is OK for the metal border to be slightly visible on the edge furthest away from the driptray scale This is since a user is viewing the screen from an angle and will not see this border when looking at the machine from the fro
23. fill to the middle level probe PRIME FILL and heat up PRIME HEAT to the preset temperature Prime temp in calibration Once the temperature gets above Prime temp 1 C the display will show PRIME READY message and the BOOST button will be enabled From this moment machine will be taking water in short bursts until it fills all the tank heat fill cycle and the message PRIME READY FULL will appear NOTE The user may use water even before the tank is full The amount of water available will be in the range between 2 and 6 litres Prime Mode logic is based on thermostatic principal the water accuracy is around 2 C from the set point Prime Mode 2 BOOST Description status button PRIME FILL Tank fills to the top probe heater off disabled PRIME HEAT Tank heats up to the preset Prime temp disabled Tank temperature above Prime temp 1 C The tank is still being filled heat fill cycle PRIME READY Heat fill cycle finished Tank is full FULL enabled To Empty the Tank In the Prime Mode the tank maybe emptied by Pressing and Holding the PRIME button for gt 5 seconds This will switch on the Pump Using the Dial on the FONT the tank may be emptied To exit this mode press the PRIME button Note LARGE TANK setting will empty approx 8 Litres 2 3 2 Boost Mode In Boost Mode the user sets the desired temperature This is done by pressing BOOST to turn on the pump and then repeatedly pressing the
24. g WEIGHT shows live readout of the weight Press TIME button to accept all the settings they will be stored in the non volatile memory To cancel and come back to the previous settings turn the machine off and on again 00 12 for both 2L amp 6L Uber Boiler Service Manual 240614 doc Rev 2 Page 19 of 44 Uher Sraject 3 1 1 Delta Values Step 5 in Uber Boiler Calibration The default Delta value is based on a 230V power supply and a Large 6L tank volume setting Varying voltages amp volumes require the Delta value to be changed to ensure optimal operation of the machine The following are optimal settings for different voltages amp tank sizes Tank size SMALL Tank size LARGE Voltage Delta Value Delta Value 230V 240V 60 13 0 default 208V 200V Uber Boiler Service Manual 240614 doc Rev 2 Page 20 of 44 a d Uher Sraject 3 2 UBER BOILER CALIBRATION INSTRUCTIONS Initial Setup amp Weighing Scale Calibration Plumb in and turn on the machine when the machine is turned on the Version number will be shown on the screen e g 1 8 Enter calibration mode by pressing down all 4 buttons at the same time Enter your settings as shown on the calibration sheet some will already be set by default 1 Tank Temp Offset This will be set later 2 Font Temp Offset This will be set later 3 Prime Temp 90 C this is your tank standby temp 4 Max Temp 97 5 5 Delta V
25. nt Frontot a we HM ae the metal edge indi md When the display is aligned correctly tighten up the 4 nuts underneath Now replace all connections as before Uber Boiler Service Manual 240614 doc Rev 2 Page 27 of 44 Uber Project 3 6 UBER BOILER LOADCELL REPLACEMENT Remove the Display Board Bracket as described previously 3 6 1 Loadcell Attachment to Tile Ensure the loadcell has the connector crimped on Place 2 x O rings on the 2 x M5 screws and place 2 x M6 washers between the load cell and the mounting plate Tighten the 2 x M5 screws into the threaded holes on the loadcell as shown below Do not over tighten the screws or the O rings will squash out the side The O rings are needed to ensure a watertight seal The washers are needed to to provide operational clearance between the load cell and mounting plate Note the arrow mark on the loadcell showing which way the load is to be applied Ensure visually that the holes are centrally in line with the 32mm diameter hole in the driptray ue itt tn 1 5 WEIGH PLATFORM DISPLAY DRIP TRAY LOADCELL OF LOAD CELL WASHERS SPACERS ON 22 7 MOUNTING SCREWS 3 6 2 Fixing Support Platform to Loadcell Ensure the platform support is fully sanded and that M4 rivet nuts are attached Pass the 2 x M5 screws through the top and thro
26. nual 240614 doc Rev 2 Page 40 of 44 aS 27 1 P 201243 2200684 Flow Control Dial Uber 1801680 Bearing Slide Nylon 12 5 x 18 x 24x 18 x 2 1 NE NN 6 8 9 1400695 Elbow 1 4 BSP Female x 3 8 BSP Male 1 1 1 1 1 1 1 1 2 Uber Boiler Service Manual 240614 doc Rev 2 Page 41 of 44 1 1 1 Uher Sraject Description No Part No PCB Ecoboiler Slave Valve Inlet Solenoid 240V 3 4 BSP Leg 50mm Nylon 22mm Diameter 4 1501216 Switch Power On Off 6 1402216 T Piece 1 2 36x60mm 8 1600692 Thermister M5 Brass Submersible 9 1600691 Thermister Assembly Uber Boiler Service Manual 240614 doc Rev 2 Page 42 of 44 rie SL SNIVA NEDSS LT Ea 55 4 Mi EN 1155 3 5860061 i ADET MIEZ CL SNIVN gt lt a m m WAG MOT 1 06 E 8 E STR m 1 1 p 7 Sy E M osya E _ 5 Y So wm INIOd 2 BNOOIIS ANE 8 ol 95 S So a 2 3g 3g 3 n HBONd WOH _ uos 4408 S O 7 aa SDVIS BIIHN 3 2 y _ anna 5 70 and Haosa IAG HOIH HAS Banas 31918 g E B TS 3 02H 82d m 7950091 4406
27. o PRIME FILL mode for scale Boost button disabled BOOST TEMP xx x C Communication error Uber Boiler Service Manual 240614 doc Rev 2 Page 14 of 44 E 4 2 E 24 Ofen P 201243 2 The second line shows the live readout of e Tank temperature in PRIME mode e Font temperature in BOOST mode 3 Third line shows the timer e Clicking TIMER button turns on and off the timer clock e Pressing it for longer than 2 seconds resets it and turns it off 4 Fourth line shows measured weight scaled in grams e Numbers above 9999 can NOT be displayed will be shown instead e Negative numbers will be shown with minus sign down to 9999 e Pressing WEIGH button will reset scale to zero e Please note that the max weight for the load cell is 4kg and any loads higher than 9kg may destroy it NOTE Because the boiler is electronically controlled no priming is necessary The element cannot switch on until a safe level of water is reached The Font Dial operates anticlockwise to begin the flow of water WARNING ALWAYS ENSURE THE DIAL IS SET TO OFF BEFORE PRESSING BOOST OR HOT WATER WILL FLOW IMMEDIATELY Uber Boiler Service Manual 240614 doc Rev 2 Page 15 of 44 Uher Sraject 2 3 OPERATION MODES 2 3 1 Prime Mode After turning on or pressing PRIME button the machine goes into Prime Mode This is a stand by mode when the water is prepared for final dispense The tank will
28. ter supply to the Uber Boiler Mixa concentrated descale solution for a 6 litre tank according to the instructions on the descaler container Pressthe Boost button and dispense water equal to the volume of the concentrated descale solution Addthe concentrated descale solution via the descale hose on the front of the tank and continue to follow usage instructions on the descaler container Allow the descale solution to recirculate in Boost mode two or three times during the recommended descale time normally 30 minutes Drain the descale solution from the tank using the drain hose Turn the water on and thoroughly flush the tank taking care to use Boost mode to flush the pump and font plumbing also gt Operate Uber Boiler as normal Uber Boiler Service Manual 240614 doc Rev 2 Page 5 of 44 marco 3 Uher Sraject 1 1 5 Precautions e NEVER lift or lower the unit by holding the font use the upper wide tile or lift from the base e The unit requires a counter thick enough to support the weight of the machine when full when full it could be up to 30kg in total e Never overload the scale platform with a force greater than 9kg e Ensure the flow control dial is in the OFF position as shown below The Font Dial operates anticlockwise to begin the flow of water Uber Boiler Service Manual 240614 doc Rev 2 Page 6 of 44 Uber P 20123 e Check the dimensions shown for the counter cutout an
29. the water if it is out Uber Boiler Service Manual 240614 doc Rev 2 Page 22 of 44 Uber Praject of the 650 850g range then adjust the ball valve Turning the valve handle up so it is inline with the pipe open will decrease flowrate from the font Now screw on the back panel ensuring the hose is not kinking Repeat the 20second flow test this is to ensure the hose is not kinked or compressed after the back panel is in place wd Font heu Vent P T Piece Flow 8 Adjust 2 3 3 2 Temperature Calibration The flow rate must be calibrated before the temperatures as low flow rate will effect temperature readings The thermometer used must be calibrated each day by R amp D who will sign the test bench form The thermistors should be calibrated between 93 96 C When the tank is full press Boost and set to 95 5 C and leave it pumping circulating for several minutes to ensure an even temperature throughout the tank Now press all 4 buttons to enter calibration mode Go to option 2 to first calibrate the Font thermistor hold the wire thermometer probe under the spout about 10 20mm and set it to note the max reading now dispense about 1L of water and adjust the offset until the current reading matches the max temp recorded on the thermometer It is important to allow time for the probe to heat up to give the true max reading so pour slowly at first and then faster While in calibration mode the tank will not heat
30. ugh the plastic spacers Now place it on the loadcell and loosely begin to screw them in locating the threaded holes in the loadcell Be careful not to press down hard with the screwdriver and overload the loadcell which should only be subjected to 5kg of force or it will break When it is level and ready to be tightened place the 4 spacers around the sides and Uber Boiler Service Manual 240614 doc Rev 2 Page 28 of 44 tighten it fully Again careful not to press down too hard The spacers will keep central Any suitable spacers can be used to centre the platform 3 6 3 Platform Adjustment Screws Place springs on the 16mm nylon screws and screw them into the rivet nuts Use a ruler or other Straight edge to visually ensure all 4 screw heads are level and approximately 2mm below the surface of the tile be careful not to scratch the tile Nylon screws should be used even though Stainless steel screws are shown in the photo Uber Boiler Service Manual 240614 doc Rev 2 Page 29 of 44 marco Uber Project Replace the service panel and the machine is ready to use The machine will require the weighing scale to be recalibrated 3 6 4 Font Dial Replacement Place the font on a large sponge to prevent scratching Check the dial is polished and sanded fully and can turn in the ball valve and the slide bearing freely Insert the slide bearing into the font side Check the position of the ball valve using the guid
Download Pdf Manuals
Related Search