Marco Marco 1000680 Service Manual Download Page 1

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SERVICE MANUAL

Model: Uber Boiler

1000680 #1000681

Marco Beverage Systems Limited.

63d Heather Road,
Sandyford Industrial Estate,
Dublin 18.

Marco Beverage Systems Limited.

Shire House, Strixton Manor,
Strixton, Wellingborough, Northants,
NN29 7PA

Ireland Tel: +353 (0)1 295 2674
Ireland Fax: +353 (0)1 295 3715
email: [email protected]

www.marco.ie

UK Tel: +44 (0)2072 744 577
UK Fax: +44 (0)2079 788 141
email: [email protected]

www.marco-bev.co.uk

Summary of Contents for Marco 1000680

Page 1: ...trial Estate Dublin 18 Marco Beverage Systems Limited Shire House Strixton Manor Strixton Wellingborough Northants NN29 7PA Ireland Tel 353 0 1 295 2674 Ireland Fax 353 0 1 295 3715 email sales marco ie www marco ie UK Tel 44 0 2072 744 577 UK Fax 44 0 2079 788 141 email sales marco bev co uk www marco bev co uk ...

Page 2: ...tion 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 3 SERVICE 3 1 Service Setup 3 1 1 Delta Values 3 2 Uber Boiler Calibration Instructions 3 2 1 Weighing scale 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 Rep...

Page 3: ...ing 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 4 TECHNICAL 4 1 Uber Boiler Functional Diagram 4 2 Spare Parts Diagrams 4 3 Electrical Schematic ...

Page 4: ...ctions 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 Children should be supervised to ensure that they do not play with the appliance In the event any wires are damaged such wires can only be replaced by experts or professional afterservice staff from the ma...

Page 5: ...deally 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 water supply to the Uber Boiler Mix a concentrated descale solutio...

Page 6: ...re is enough room Cut out the counter top to be 410x195mm This dimension includes clearance tolerance space for the lower part of the machine the actual machine is approx 405x190mm The full dimensions are shown on the following page 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 th...

Page 7: ...7 Service manual April 2017 Uber boiler 1 1 6 Installation Template ...

Page 8: ...8 Service manual April 2017 Uber boiler Uber Boiler Front View ...

Page 9: ...9 Service manual April 2017 Uber boiler Uber Boiler Top View ...

Page 10: ...10 Service manual April 2017 Uber boiler Uber Boiler Side View ...

Page 11: ...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 If a 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...

Page 12: ...onds 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 ra...

Page 13: ...ater from the tank through the font Inlet disabled Option triggered by pressing PRIME button for more than 5 seconds Press PRIME again to quit BOOST TEMP xx x C 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 C Press PRIME button to go back to PRIME mode LOW TANK LEV...

Page 14: ...can NOT be displayed will be shown instead Negative numbers will be shown with minus sign down to 9999 Pressing WEIGH button will reset scale to zero 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 WAR...

Page 15: ... 1 C The tank is still being filled heat fill cycle enabled PRIME READY FULL Heat fill cycle finished Tank is full enabled To Empty the Tank In the Prime Mode the tank maybe emptied by Pressing and Holding the PRIME button for 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 ...

Page 16: ... 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 Options 1 2 Description Default value Sets temperature at which the element clicks off in prime mode The turning on temperature is 0 5 degree below this point 89 0 for 2L 90 0 for 6L Sets temperature measurement units Celcius Fahrenheit Celcius Pres...

Page 17: ...ature and a measured one It is factory set using calibrated instruments TEMP shows live readout from font sensor with the applied offset 0 0 Sets maximum temperature at which the element can be switched on Both sensors tank and font are monitored if any reading is above set value the element switches off 97 5 Sets heating delta factor This number tells the software how many energized seconds it wi...

Page 18: ...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...

Page 19: ...ower supply and a Large 6L tank volume setting Varying voltages volumes require the Delta value to be changed to ensure optimal operation of the machine The following are optimal settings for different voltages tank sizes Tank size SMALL Tank size LARGE Voltage Delta Value Delta Value 230V 240V 6 0 13 0 default 208V 7 3 15 9 200V 8 0 17 2 ...

Page 20: ...imeout 06 00 9 Weighing Scale A calibration should be performed if a New load cell is fitted or if the scale is reading incorrectly Please see Section 3 2 1 Weighing scale calibration 10 Tank Size LARGE this is 6L it could be set to small if a customer requests it preset 11 Save Exit Once settings are correct press Time to save 3 2 1 WEIGHTING SCALE CALIBRATION INSTRUCTIONS Enter Service set up by...

Page 21: ...alve 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 compl...

Page 22: ...nd 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 the water if it is out 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 f...

Page 23: ...mometer 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 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 y...

Page 24: ... 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 ...

Page 25: ...ng 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 s...

Page 26: ...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 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 ...

Page 27: ...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 front When the display is aligned correctly tighten up the 4 nuts underneath Now replace all connections as before ...

Page 28: ...ow 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 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 through the plastic spacers Now place it on the loadcell and loosely b...

Page 29: ...r 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 Replace the service panel and the machine is ready to use The machine will require the weighing scale to be recalibrated ...

Page 30: ...aring into the font side Check the position of the ball valve using the guide rod as shown At this point the valve can be moved freely toward or 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 whe...

Page 31: ... is covered in tape or otherwise protected to prevent scratching the font 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 i...

Page 32: ...32 Service manual April 2017 Uber boiler When it is parallel in both directions insert the socket head screw to secure the dial in place ...

Page 33: ...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 ...

Page 34: ...nt 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 Insert locking bracket inside bottom of the Font ...

Page 35: ...at 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 itself is not important When confirmed square fully tighten the 4 bolts down Loosely screw in 4x M6 bolts ...

Page 36: ...36 Service manual April 2017 Uber boiler ...

Page 37: ...ont 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 Thermistor T Piece Tape on edges to stop damage to tubes during installation ...

Page 38: ...ing 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 Water Level Probes Harness Update An updated generic water level probes harness is now available as a spare part P N 1800993 The original bullet connectors which attach to the water level probes have been replaced with ring connectors and ...

Page 39: ...39 Service manual April 2017 Uber boiler 4 1 Uber Boiler Functional Diagram ...

Page 40: ...de Nylon 12 5 x 18 x 24 x 18 x 2 1 6a 1801681 Bearing Slide Nylon 13 2 x 18 x 24 x 18 x 2 1 7 1400695 Elbow 1 4 BSP Female x 3 8 BSP Male 1 8 1400065 Adaptor 1 8 F x 1 4 M Gauge 1 9 1800760 O Ring for Sight Glass 1 10 70115 Fastener Ball Socket 1 11 70137 Ball Head Steam Pipe 1 12 1600405 PCB Uber Display 4 x 20 Characters 1 13 1401873 Spacer Polystyrene 5 2 x 10 x 25 2 14 66885 Steam Spout Set 1 ...

Page 41: ...m Nylon 22mm Diameter 4 4 1501216 Switch Power On Off 1 5 1500975 Element 2 8kW 230V M Shape Long 1 6 1402216 T Piece 1 2 36 x 60mm 1 7 1402214 T Piece 1 4 BSP F Equal Chrome 1 8 1600692 Thermister M5 Brass Submersible 1 9 1600691 Thermister Assembly 1 10 2301463 Probe Assembly Sub Con 40mm Tab 3 11 1501540 Pump Nikkiso 1 12 1800993 Water Level Probes Wiring Harness 1 ...

Page 42: ...42 Service manual April 2017 Uber boiler 4 3 Electrical Schematic ...

Page 43: ...43 Service manual April 2017 Uber boiler ...

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