bkon service manual draft 36 jjp
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SERVICE MANUAL
of 861
SAFETY
DANGER
WARNING
WARNING
CAUTION
DANGERIndicates potentially life-threatening danger or grave injury from electrocution.
WARNINGIndicates risk of injury.
CAUTIONIndicates risk of minor injury.
WARNINGIndicates risk of injury from Heat / Hot Surface.
DANGERElectrical System
- Energized electrical circuits present a potentially life threatening hazard. - Ensure all electrical power circuits connected to the unit and supply outlets
or connections are completely de-energized before performing any service. - When testing electrical components, always follow the OSHA standard for
the control of hazardous Energy (Lockout/Tagout), Title 29 Code of Federal Regulations (CFR) Part 1910.147.
Explanation of safety symbols
For your safetyThis documentation has been created exclusively for trained and authorized service providers of Franke Foodservice Systems, Inc.
WARNINGRisk of burning or scalding
- Hot water and steam are released repeatedly during the cleaning cycle. - Keep hands away from the outlet (purge valve) while in operation. - The glass cylinder may be HOT to the touch. - Do not disconnect “Hot Water” line before purging lines of hot water or
allowing suffi cient time for water in lines to cool.
IMPORTANT SAFETY INSTRUCTIONS - READ, UNDERSTAND AND SAVEThis operation manual contains important instructions and safety information about the BKON™ Craft Brewer.Observe the following dangers, warnings, cautions and notices when operating the BKON™ Craft Brewer.
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Safety
WARNING
CAUTION
NOTICE
NOTICE
NOTICEGeneral Reminders.
- Do not discard any loose parts as they may be required for proper operation. - Make sure line voltage matches voltage specifi cations in this manual.
Risk of injury and / or damage to the equipment!Making improper changes in the form of modifi cations or unauthorized repairs can lead to injury or damage to the equipment.
- Programming and settings may only be preformed by authorized service technicians. - Retrofi ts and repairs may only be preformed by authorized service technicians. - Do not make any modifi cations to the equipment that are not authorized by documentation provided by Franke Foodservice Systems, Inc.
Damage can occur from improper transport.Improperly transporting the equipment can cause faults or damage.
- Always transport in an upright position. - Transport the equipment so that it is protected from the elements, such as rain and moisture.
Damage can occur from using inappropriate tools. - Using inappropriate tools can damage components of the equipment.
Possible health hazard from heavy lifting. - Lifting heavy objects unaccompanied can cause injury. - Do not lift or move the equipment without appropriate help or tools.
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Table of Contents
Safety 1
Table of Contents 3
Service Prerequisites 4
Removal / Installation of Parts - Tower 7
Removal / Installation of Parts - WVSC 25
Programming 47
Testing and Adjustments 49
Troubleshooting 53
Water / Air Diagram 57
Electrical Diagram 59
Sequence of Operations 75
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SERVICE PREREQUISITES
If the BKON unit is powered ON upon the service technician’s arrival, the water system will be fi lled with hot water under pressure. Utilize the Cool Down function within the service menu before making any repairs or disconnecting any water lines.
WARNING
Cool Down Instructions
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
i 17:30
Service Menu
Vacuum Calibrati
Cool Down
Nitrogren Flush
Calibration
i
Cool Down
Brewing Process...
17:30
X
i
Cool Down
Brewing Process...
17:30
X
COOL DOWN completed
Cool Down completed. Turn of mac
CONTINUE
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
Enter PIN
1 2 3
4 5 6
7 8 9
Cancel 0 Enter
i
Update MBFirmware
Administration
17:30
ExportLog
ClearLog
ResetCounters
ViewLog
< I II
White Tea
ck Tea
Vacuum C
CoCCCCCCC
ogggggggggggggggggggrerenrenenrenenerenrreeennnennrr nnnrrreennrenrreenrrreenrrrrerrr Flushhhhhhhhhhhhhhhh
own
CONTTITTTTTTTTT
CleCleCleleCleeCleCleCleCleeCleeleCleeeeleeClelCleCleeCleeCleClelleeCleeCCClllCClCCCCCCCCCCC aaaaarararaaaaaaaaaaaaaLog
Reseee etCouououoouoouoooooooooooooooooooooooooooo nterssssssssssssssssssssssssssssrsssrrs
II
Press and hold the BKON dots for 5 seconds
Select Cool Down Cool Down is in process Cool Down is complete, select Continue and power off the WVSC
Enter PIN number 4576 and press Enter
Select page 21.
4. 5. 6.
2. 3.
4576
Purge Water System
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Service Prerequisites
Protect Air and Water Line and Connections
Remove the water, air and drain lines if the repair requires their removal.
Place a piece of tape over the water, air and drain tubing to prevent foreign debris from entering the system.
Before reconnecting the water, air and drain tubing ensure any foreign debris is expelled.
1. 2. 3.
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of 867
REMOVAL / INSTALLATION OF PARTS - TOWER
Top Cover (Tower)
Procedure Qty Remarks
(1)(2)(3)
Disassembly OrderElectrical connectionScrew (Phillips)End coverTop cover
421
Assembly is in the reverse order of disassembly Unplug at wall from WVSC
(1)
(3)
(2)
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Removal / Installation of Parts - Tower
Locking Lever
Procedure Qty Remarks
(1)(2)(3)(4)
Disassembly OrderScrewAxel ClampAxisLocking lever
4211
Assembly is in the reverse order of disassembly
(1)
(2)
(3) (4)
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7
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Plunger Assembly
Procedure Qty Remarks
(1)(2)(3)
Disassembly OrderScrew (Phillips)Valve CylinderPlunger
411
Assembly is in the reverse order of disassembly
Remove the silicone water and air lines and microswitch connections
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7Locking Lever - Page 8
(1)
(2)
(3)
Removal / Installation of Parts - Tower
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Requisite Service Removal / Installation: Top Cover (Tower) - Page 7Locking Lever - Page 8Plunger Assembly - Page 9
Micro Switch Plunger Assembly
Procedure Qty Remarks
(1)(2)(3)(4)(5)
Disassembly OrderScrewWasherSpringMicro SwitchSafety Slide
11111
Assembly is in the reverse order of disassembly
Caution: spring is easy to looseDisconnect wiring
(1)
(2)
(3)(4)
(5)
Removal / Installation of Parts - Tower
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Logo LEDs
Procedure Qty Remarks
(1)(2)
Removal OrderScrewsLED Board
21
Assembly is in the reverse order of disassembly
Disconnect wiring connection
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7
(1)
(2)
Removal / Installation of Parts - Tower
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Tower Solenoid Valves
Procedure Qty Remarks
(1)Removal OrderSolenoid Valves
Assembly is in the reverse order of disassembly Disconnect silicone tubing and voltage connectors
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7
Removal / Installation of Parts - Tower
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Tower Left Side Panel
Procedure Qty Remarks
(1)Removal OrderSide Panel 1
Assembly is in the reverse order of disassembly
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7
(1)
Removal / Installation of Parts - Tower
of 8614
Temperature Sensors - Thot and Tmix
Procedure Qty Remarks
(1)(2)
Removal OrderNTC Tmix sensorNTC Thot sensor
11
Assembly is in the reverse order of disassembly Ensure water supply is turned off.
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7Tower Left Side Panel - Page 13
(1)
(2)
Removal / Installation of Parts - Tower
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Tower LED Left Side Lights
Procedure Qty Remarks
(1)(2)
Removal OrderLED strip (Upper)LED strip (Lower)
11
Assembly is in the reverse order of disassembly Disconnect wire connections
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7Tower Left Side Panel - Page 13
(1)
(2)
Removal / Installation of Parts - Tower
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Tower Right Side Panel
Procedure Qty Remarks
(1)Removal OrderRight Side Panel 1
Assembly is in the reverse order of disassembly Disconnect (6) wire connections before lifting side panelThot sensor wires are greenTmix sensor wires are grey
(1)
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7
Removal / Installation of Parts - Tower
of 8617
User Interface Display
Procedure Qty Remarks
(1)(2)(3)(4)(5)(6)(7)(8)
Removal OrderScrewCoverScrewsPCB BoardStand offTouch screenUser Interface mounting screwsUser Interface gasket
11414121
Assembly is in the reverse order of disassembly
Disconnect wire connections before removing boards
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Removal / Installation of Parts - Tower
(8)
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Tower LED Right Side Lights
Procedure Qty Remarks
(1)(2)
Removal OrderLED strip (Upper)LED strip (Lower)
11
Assembly is in the reverse order of disassembly Disconnect wire connections
Requisite Service Removal / Installation: Top Cover (Tower) - Page 7Tower Right Side Panel - Page 16
(1)
(2)
Removal / Installation of Parts - Tower
of 8619
Drain Pan
Procedure Qty Remarks
(1)(2)(3)(4)
Removal OrderDrain Pan CoverScrewsDrain PanSeal
1411
Assembly is in the reverse order of disassembly
Not shown
(1)
(2)
(3)
(4)
Removal / Installation of Parts - Tower
of 8620
Communication / Power Connector
Procedure Qty Remarks
(1)Removal OrderImage not available
Assembly is in the reverse order of disassembly
Requisite Service Removal / Installation:
Removal / Installation of Parts - Tower
of 8621
Locking Handle
Procedure Qty Remarks
(1)(2)(3)(4)
Removal OrderHandle CoverScrewsAxel ClampLocking Handle
1411
Assembly is in the reverse order of disassembly
(1)
(2)
(3)
(4)
Removal / Installation of Parts - Tower
of 8622
Actuator Switch
Procedure Qty Remarks
(1)(2)(3)(4)(5)(6)
Removal OrderBoltsSpringsHolding frameScrewsLimit housingMicro Switch
441211
Assembly is in the reverse order of disassembly
Disconnect wiring
(1)
(2)
(3)
(4)
(5)(5)
(6)
Requisite Service Removal / Installation: Locking Handle - Page 21
Removal / Installation of Parts - Tower
of 8623
Locking Handle Bushing
Procedure Qty Remarks
(1)Removal OrderBrass bushing 2
Assembly is in the reverse order of disassembly
(1)
Requisite Service Removal / Installation: Locking Handle - Page 21
Removal / Installation of Parts - Tower
of 8624
of 8625
WVSC Covers
Procedure Qty Remarks
(1)(2)(3)(4)(5)(6)
Removal OrderScrewsTop coverScrewRight coverScrewLeft cover
2121
21
Assembly is in the reverse order of disassembly
(2)
(1)
(3)
(5)
(4)
(6)
REMOVAL / INSTALLATION OF PARTS - WVSC
of 8626
Air / Water Separator
Procedure Qty Remarks
(1)(2)
Removal OrderScrewAir / Water Separator
21
Assembly is in the reverse order of disassembly
Disconnect silicone tubing
(2)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8627
Vacuum Pump
Procedure Qty Remarks
(1)(2)(3)
Removal OrderScrewsWasherVacuum pump
221
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiring
(2)(3)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8628
Power Switch
Procedure Qty Remarks
(1)(2)(3)(4)(5)(6)
Removal Order
KnobSet ScrewON / OFF face plateScrewsFront platePower Switch
111411
Assembly is in the reverse order of disassembly DANGER: Disconnect main power before removing power switch
Disconnect wiring
(2)
(3)
(4)
(5)
(6)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
(1)
of 8629
Power Supply
Procedure Qty Remarks
(1)(2)
Removal Order
ScrewsPower supply bracket
21
Assembly is in the reverse order of disassembly DANGER: Disconnect main power before removing power supplyNEVER remove the mesh coverDisconnect wiring
(2)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8630
Secondary Board
Procedure Qty Remarks
(1)(2)(3)
Removal Order
ScrewHigh voltage board bracketScrews
116
Assembly is in the reverse order of disassembly DANGER: Disconnect main power before removing power supply
Disconnect wiring
Requisite Service Removal / Installation: WVSC Covers - Page 25
(2)
(3)
(1)
Removal / Installation of Parts - WVSC
of 8631
Command Board
Procedure Qty Remarks
(1)(2)(3)
Removal Order
ScrewLow voltage board bracketScrews
116
Assembly is in the reverse order of disassembly DANGER: Disconnect main power before removing power supply
Disconnect wiring
Requisite Service Removal / Installation: WVSC Covers - Page 25
(2)
(1)
(3)
Removal / Installation of Parts - WVSC
of 8632
Communication / Power Connection
Procedure Qty Remarks
(1)(2)
Removal OrderScrewCommunication / Power Connection
41
Assembly is in the reverse order of disassembly
Requisite Service Removal / Installation: WVSC Covers - Page 25
(2)
(1)
Removal / Installation of Parts - WVSC
Ensure the largest notch is orientated to the operator side of the WVSC.
of 8633
Communication Port
Procedure Qty Remarks
(1)(2)(3)(4)
Removal OrderScrewNutWasherCommunication Connector
2221
Assembly is in the reverse order of disassembly
Requisite Service Removal / Installation: WVSC Covers - Page 25
(4)
(3)
(2)
(1)
Removal / Installation of Parts - WVSC
of 8634
Flow Meter Shelf
Procedure Qty Remarks
(1)(2)
Removal OrderScrewFlow meter shelf
11
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiring
(2)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8635
Flow Meter
Procedure Qty Remarks
(1)(2)
Removal OrderScrewFlow meter
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiring
(2)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8636
Mixing Valve
Procedure Qty Remarks
(1)(2)
Removal OrderScrewsMixing valve
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiring
(2)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8637
Water Pump Motor
Procedure Qty Remarks
(1)(2)(3)(4)
Removal OrderBoltWasherWater pump motorCapacitor
4411
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiringSecured by one nut (see detail below)
(2)
(3)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
Capacitor mounting detail.
of 8638
Rotary Pump
Procedure Qty Remarks
(1)Removal Order Assembly is in the reverse order of disassembly
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8639
Thermal Block
Procedure Qty Remarks
(1)(2)(3)(4)(5)(6)
Removal OrderBoltWasherThermoblockTubing SpacerSensor NTCSafety Thermostat
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiring
Requisite Service Removal / Installation: WVSC Covers - Page 25
(2)
(3)(4)
(1)
(5)
(6)
Removal / Installation of Parts - WVSC
of 8640
Solenoid Valves
Procedure Qty Remarks
(1)(2)(3)(4)
Removal OrderScrewSolenoid valve holderScrewsSolenoid valve
11
105
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiring
(2)
(3)
(4)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8641
Descaling Valve
Procedure Qty Remarks
(1)(2)
Removal OrderScrewsDescaling valve
21
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiring
(2)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8642
Water Inlet Valve
Procedure Qty Remarks
(1)(2)
Removal OrderScrewsWater inlet valve
21
Assembly is in the reverse order of disassembly
Disconnect silicone tubing and wiring
(2)
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8643
Water Pressure Regulator
Procedure Qty Remarks
(1)Removal OrderWater pressure regulator 1
Assembly is in the reverse order of disassembly Disconnect silicone tubing
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8644
Air Pressure Regulator
Procedure Qty Remarks
(1)Removal OrderAir pressure regulator 1
Assembly is in the reverse order of disassembly Disconnect silicone tubing
(1)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8645
Filter Holder
Procedure Qty Remarks
(1)(2)
Removal OrderThumb ScrewFilter Holder
11
Assembly is in the reverse order of disassembly
Disconnect silicone tubing
(1)
(2)
Requisite Service Removal / Installation: WVSC Covers - Page 25
Removal / Installation of Parts - WVSC
of 8646
of 8647
PROGRAMMING
Entering / Updating Time and DateUser Interface Software UpdateUploading Main board SoftwareUploading New Menu (Drink Recipes)
Entering Time and Date
1. At the home screen, press the wrench icon button
2. Press the Time/Date button
3. Select the hour box, enter the current hour and press Ok - The time format used is the 24 hour clock, 16:30 is 4:30 PM
4. Select the minutes box, enter the current minutes and press Ok
5. Select the month box, enter the current month and press Ok
6. Select the day box, enter the current day and press Ok
7. Select the year box, enter the current year and press Ok
8. Press the < button will get you to the home screen
9. The Time & Date has been successfully changed
of 8648
Programming
7
1 2 3 4
5 6 8
1 2 3 4
5 6
1 2 3 4
5 6
Update new Menu
Install new Mainboard Software
Install new User Interface Software
Press & hold5 seconds
EnterPasscode4576
Insert
Waitca. 6min
Insert
Waitca. 20 s
Remove
insertSelect file
Waitca. 30 sec
Select
YES
START
RESTART
RESTART7
Remove
7
Remove
20%
RestartMachine
Select
YES
Select file
8RESTART
BK***.FSW
Main Board FW Selection
OK
Recipe File Loaded
Update MBFirmware
Waitapprox. 20 sec.
Waitapprox. 30 sec.
Waitapprox. 6 min.
of 8649
TESTING AND ADJUSTMENTS
User Interface Diagnostics/Service Menu
i 17:30
Service Menu
Vacuum Calibrati
Cool Down
Nitrogren Flush
Calibration
Calibration
Cool Down
Vacuum Calibrati
Nitrogren Flush
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
Enter PIN
1 2 3
4 5 6
7 8 9
Cancel 0 Enter
4576
Use this function to check water fl ow rate
Use this function to purge hot water before servicing brewer.
Used only at the factory to purge all water prior to shipping.
Use this function to check vacuum pressure.
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
White Tea
Te
i
Update MBFirmware
Administration
17:30
ExportLog
ClearLog
ResetCounters
ViewLog
< I II< I III
Press and hold the BKON dots for 5 seconds
The service menu screen
Enter PIN number 4576 and press Enter
Select page 2 to enter the service menu
1.
4.
2. 3.
of 8650
Water Calibration Check and Adjustment
Coffee Spirits
Chai / Rooibos
i
X
Calibration
Brewing Process...
17:30
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
Water Flow is HIGH
OK
It is necessary reduce the flowslightly. Open the Pump by-pass
turning the screw Counter-Clockwise. Then execute the test again.Flow Rate Between 14.5 - 15
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
Water Flow is LOW
OK
It is necessary increase the flowslightly. Close the Pump by-pass
turning the screw Clockwise. Thenexecute the test again.
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
Water Flow is OK
OK
Water flow is Ok.No need for adjustments.
Turn machine off,wait 10s and turn it back on.
Flow Rate Between 13.5 - 14.5
The BKON unit comes factory calibrated to the correct water fl ow rate. The following procedure can be used in the event the water fl ow should need to be readjusted. The Calibration function will check the water fl ow rate within the BKON unit.
1. Enter the Service Menu (page 49)2. Press the Calibration button to start water fl ow.
Pump will run for approximately 30 seconds.3. A message screen will appear saying that the water
fl ow is OK, too HIGH or too LOW.4. If it is too high or to low, adjust the pump pressure
accordingly.5. It is best to only turn the adjustment screw in ¼ turn
increments or less.6. Repeat process until you receive the “Water Flow
Rate is “OK” message.Note: You will need to press the Red dot and enter
the password each time you want to run the calibration function.
i 17:30
Service Menu
Vacuum Calibrati
Cool Down
Nitrogren Flush
Calibration
Vacuumuumuumuumummmumuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuummm Cgren Flush
onnnnnnnnnnnnnnnnnnnnnnnn
Testing and Adjustments
Step 2 Start water calibration
System is checking water fl ow rate
Step 3 Message - Water Flow is OK
Step 3 Messages - Water Flow is HIGH
Step 3 Messages - Water Flow is LOW
of 8651
Remove the top and right side panels
Loosen the locking nut (1)Turn the adjustment screw (2)
- Clockwise to increase pressure.
- Counterclockwise to decrease pressure
- Turn adjustment screw in ¼ turn increments or less
Tighten the locking nut.
Locate the water pump.
(1)(2)
Water Pump Adjustment
Testing and Adjustments
1. 2. 3.
of 8652
Vacuum Calibration
Testing and Adjustments
If the BKON unit is powered ON upon the service technician’s arrival, the water system will be fi lled with hot water under pressure. Utilize the Cool Down function (shown on page 4) before making any repairs or disconnecting any water lines.
WARNING
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
i 17:30
Service Menu
Vacuum Calibrati
Cool Down
Nitrogren Flush
Calibration
i
Cool Down
Brewing Process...
17:30
X
i
Cool Down
Brewing Process...
17:30
X
COOL DOWN completed
Cool Down completed. Turn of mac
CONTINUE
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
Enter PIN
1 2 3
4 5 6
7 8 9
Cancel 0 Enter
i
Update MBFirmware
Administration
17:30
ExportLog
ClearLog
ResetCounters
ViewLog
< I II
White Tea
ck Tea
VVVVVVacVVVVVVVVVVVVVVVVVVVVV uumFlushhhhh
CleCleCleleCleeCleCleCleCleeCleeleCleeeeleeClelCleCleeCleeCleClelleeCleeCCClllCClCCCCCCCCCCC aaaaarararaaaaaaaaaaaaaLog
Reseee etCouououoouoouoooooooooooooooooooooooooooo nterssssssssssssssssssssssssssssrsssrrs
II
Press and hold the BKON dots for 5 seconds
Select Vacuum Calibration Vacuum Calibration is in process If the vacuum is too low, you will see this screen.
Enter PIN number 4576 and press Enter
Select page 21.
4. 5. 6.
2. 3.
4576
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of 8653
Vacuum Calibration
i
Green Tea White Tea
Black Tea
Spirits
Chai / Rooibos
Oolong Tea
Herbal / Fruit
Coffee
17:30
i
Cool Down
Brewing Process...
17:30
X
If your adjustment was success-ful, you will see this screen.
Ensure that a brew handle and basket are installed in the brew chamber.
Loosen the locking nut. Power unit OFF.
Move the locking handle down, to the locked position.Note: The calibration will not work
otherwise.
Turn the adjusting knob clockwise to increase the vacuum pres-sure and counter clockwise to decrease.
Tighten locking nut.
Adjust ONLY 1/4 turn at a time. Check calibration after each adjustment.
Reinstall right side and top covers.
Locate the pressure regulator.7.
14.
8.
11. 15.
9.
12. 16.
13.
17.
10.
Testing and Adjustments
If the vacuum is too high, you will see this screen.
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of 8654
of 8655
TROUBLESHOOTING
Error Messages on User-InterfaceError Code Possible Cause Solution
Brew Chamber Glass Brew Chamber not installed correctly 1. Remove and reinstall Brew chamber.
Chamber Not Sealed
Purge valve may be stuck open or clogged with debris.
1. Poke purge valve with purge valve tool to make sure ball moves and is free of debris. Try a different purge valve or brew handle.
2. Make sure brew handle and basket are in place and free of debris.
Brew Chamber not sealed. 3. Make sure locking handle is down and locked in place.
Brew Handle Brew Handle not detected 1. Make sure brew handle and basket are in place when brewing.
Temp. Sensor Temperature check failed 1. Restart unit and try again.
Flow MeterNo water fl ow detected
1. Check supply water
2. Make sure drain from tower and drain from WVCS are not connected to each other. Both should be connect to store drain.
Air in water lines 3. Cycle power and allow the unit to reboot, purging air from lines. Repeat up to 4 times.
of 8656
Troubleshooting
General Trouble ShootingMalfunction Possible Cause Solution
User Interface not onMain power off 1. Check power cord and breaker
Communication cable disconnected 2. Check connection on tower and WVSC
Water leak
Leak Between Tower and WVSC 1. Check water line connections
Drain lines leak 2. Check drain line connections on Tower, WVSC and store drainLeaking from inside WVSC
Did not purge drink Purge valve is stuck in the closed position
1. Use manual purge or remove purge valve, per instructions using purge valve tool. Once valve is removed, use manual purge.
2. Punch with purge valve opener from inside brew handle.
3. Try a different purge valve.
Purge or dripping during brew cycle
Debris in purge valve 1. Use purge valve tool to remove debris from purge ball.
Purge valve spring has become too weak 2. Replace purge valve.
Beverage level is incorrect
Corrupt recipe1. Try a different recipe in the same size
Flowmeter malfunction
Consistent poor beverage quality
Wrong amount of tea / coffee 1. Check recipe and product measurement
Poor incoming water quality 2. Make sure incoming water is in spec.
Corrupt recipe 3. Check recipe
Chamber was locked during startup (result in calibration error)
4. Restart machine and make sure brew basket and handle are not installed during start up.
Beverage too hot or cold 5. Check recipe
of 8657
Temperature Sensor Error Codes
Error Title Message
11 TB1 Sensor Short WVSC - Temperature sensor of Thermal Block 1 is in short.
12 TB2 Sensor Short WVSC - Temperature sensor of Thermal Block 2 is in short.
13 TB3 Sensor Short WVSC - Temperature sensor of Thermal Block 3 is in short.
14 TcoldWater Short WVSC - Cold Water Temperature sensor is in short.
15 ThotWater Short TOWER - Hot Water Temperature sensor is in short.
16 TmixWater Short TOWER - Mix Water Temperature sensor is in short.
17 TB1 Sensor Open/Cold WVSC - Temperature sensor of Thermal Block 1 is Open or incoming water is too cold.
18 TB2 Sensor Open WVSC - Temperature sensor of Thermal Block 2 is Open
19 TB3 Sensor Open WVSC - Temperature sensor of Thermal Block 3 is Open
20 TcoldWater Open/Cold WVSC - Temperature sensor of Thermal Block 1 is Open or incoming water is too cold.
21 TmixWater Open TOWER - Mix Water Temperature sensor is Open.
22 ThotWater Open TOWER - Hot Water Temperature sensor is Open.
Troubleshooting
of 8658
of 8659
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of 8660
Water / Air Diagram
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ed in
fu
ture
V6 Y1/5
12 3
..620
1
V1
ATM
V7 Y2/5
Airf
low
-Reg
ulat
orm
anua
l
..622
6
..618
9
Mai
nW
ater
Line
P3
P1
ATM
Ove
rpre
ssur
e va
lve
3.0
Bar
..xxx
x
Flow
Regu
lato
r..6
189
P3
of 8661
THERMOBLOCKSH1H2H3
THERMOBLOCKS123
POWER SWITCH
V1 & V13
V3 & V4
V2, V8, V7,V9, V10
V6
WATER PUMP
(EMPTY)
LIMUISEMPTY
FAN
V5
P4
To J1
FM 1&2
Tcold
(EMPTY)
(EMPTY)
(EMPTY)(EMPTY)
X Y
G
NEMA L6-30R
2 156
POWER SWITCH
Electrical Diagram OverviewWater Vacuum Supply Center
X700
X701 X801
X800
X400X401
X202X203
X204
X200
X500X501X502X503
X300
X402X403X504
X301X302X303X304
X704X705
X702
X703
ELECTRICAL DIAGRAM
of 8662
Comm
unica
tion C
able
From X203
BrewChamber
LEDs
LEDRight Upper
LEDRight Lower
LEDLeft Upper
LEDLeft Lower
SENSORS
From X203
Primary LED Board Front
Secondary LED Board Front
Secondary LED Board Back
Primary LED Board Back
Thot ThermostatTmix ThermostatBrew Handle MicroswitchBrew Cylinder Microswitch
Air Pressure Sensor
User Interface Box (Tower) Tower
J11
J10
J2
J3
J1
J5 J6 J3 J1
J106
J4
J1
J1
J1
J1
of 8663
12.0 kW
22.0 kW
32.0 kW
M
X701-1Thermoblocks
Water Pump
X701-2
X701-3
X702-1
X702
X701-4
X701-5
X701-6
X701
X700
X702-2
X Y
G
NEMA L6-30R
208V-220/230V
2
1 5
6
MainPower Switch
Secondary Board Electrical Diagram Overview
6 35 24 1
1234
1 2
1 2
Electrical Diagram
of 8664
Connector Pin Number Wire Color Description / Function VoltageX700 1 Red Main Power 208V-220/230VAC
2 Red Main Power 208V-220/230VAC3 Black Main Power 208V-220/230VAC4 Black Main Power 208V-220/230VAC
X701 1 Blue Thermoblock 1 208V-220/230VAC4 Grey Thermoblock 1 208V-220/230VAC2 Blue Thermoblock 2 208V-220/230VAC5 Grey Thermoblock 2 208V-220/230VAC3 Blue Thermoblock 3 208V-220/230VAC6 Grey Thermoblock 3 208V-220/230VAC
X702 1 Brown Water Pump 208V-220/230VAC2 Blue Water Pump 208V-220/230VAC
X703 1 Empty2 Empty
Electrical Diagram
of 8665
X800-6
X801-1
X705-1
X800-6
X800-5
X800-4
X801-2
X801
X800
X704
X705
X800-2
X800-3
X800-12
X801-3
X705-2
X800-12
X800-11
X800-10
X801-4
X800-8
X800-9 V2
V3
Spare
Fill
Leakage
Rinse
Air Sanitize
Vacuum
Blow Out
Descale
Purge
Mains
Air valve
V7
V4
V2
V10
V8
V13
V9
V1
V6
X704-3X704-1X704-4X704-2
Secondary Board Electrical Diagram Overview (Continued)
Command Board
12 611 510 49 38 27 1
1 23 45 67 89 10
4 23 1
4 23 1
1 2
Electrical Diagram
of 8666
Connector Pin Number Wire Color Description / Function VoltageX704 1 Yellow Rinse (V4) +24VDC
2 Purple Fill (V3) +24VDC3 Yellow Rinse (V4) -24VDC4 Purple Fill (V3) -24VDC
X705 1 Orange Air valve (V6) -24VDC2 Orange Air valve (V6) +24VDC
X800 1 Yellow Spare5 Brown Leakage (V7) +24VDC2 Orange Spare (V2) +24VDC6 Purple Vacuum (V10) +24VDC4 Grey Blow Out (V8) +24VDC6 Blue Purge (V9) +24VDC7 Yellow Spare11 Brown Leakage (V7) -24VDC8 Orange Air Sanitize (V2) -24VDC
12 Purple Vacuum (V10) -24VDC10 Grey Blow Out (V8) -24VDC12 Blue Purge (V9) -24VDC
X801 2 Yellow Main Water (V1) +24VDC1 Brown Descale (V13) +24VDC4 Yellow Main Water (V1) -24VDC3 Brown Descale (V13) -24VDC
Electrical Diagram
of 8667
X400-1H1
H2
H3
Tcold
FM2
FM1
NTC
NTC
NTC
NTC
Thermoblocks Temperature Sensors
Water Temperature Sensor
Flow Meters
X400-2
X403-3
X403-6
X400-3
X401-1
X403-1
X400-4
X400-5
X403-4
X400-6
X400
X401
X403
X401-2
X403-2
X403-5
Command Board Electrical Diagram Overview
Secondary Board
3 62 51 4
3 62 51 4
1 2
1 23 45 67 89 10
Electrical Diagram
of 8668
Connector Pin Number Wire Color Description / Function VoltageX301 1
(Not Used) 2
X302 1(Not Used) 2
X303 1(Not Used) 2
X304 1(Not Used) 2
X400 1 Brown NTC Thermoblock 1 Signal2 Yellow NTC Thermoblock 2 Signal3 Blue NTC Thermoblock 3 Signal4 Brown NTC Thermoblock 1 -24VDC5 Yellow NTC Thermoblock 2 -24VDC6 Blue NTC Thermoblock 3 -24VDC
X401 1 Red NTC Tcold Thermostat Signal2 White NTC Tcold Thermostat -24VDC
X402 1(Not Used) 2
34
X403 1 Brown Flowmeter 2 (Hot) -24VDC2 Orange Flowmeter 2 (Hot) -5VDC3 White Flowmeter 2 (Hot) Signal4 Green Flowmeter 1 (Cold) -24VDC5 Red Flowmeter 1 (Cold) +5VDC6 Blue Flowmeter 1 (Cold) Signal
X504 1(Not Used) 2
3
Electrical Diagram
of 8669
X200-2
X300-2
X503-2
X200-1
X203-6
X202-3
X203-5
X202-2
X203-4
X202-1
X202
X203
X200
X203-3X203-2X203-1
X300-1
X503-1
LIM Board
Communication Port
User Interface Screen
M Vacuum Pump
X500-1
X500
X503
X300
X500-2 Cold Water ODEV5
Fan
Command Board Electrical Diagram Overview (Continued)
3 62 51 4
123
123
1 2
1 2
2 1
Electrical Diagram
of 8670
Connector Pin Number Wire Color Description / Function VoltageX200 1 Blue Fan -24VDC
2 Red Fan +24VDC3 Empty
X202 1 Brown Digital Ground2 Green Communication Port3 Orange Communication Port
X203 1 Brown UI Communication2 Blue UI Communication3 White +24VDC4 Green LIM Communication5 Red LIM Communication6 Black Digital Ground -24VDC
X204 1(Not Used) 2
3
X300 1 Black Digital Ground -24VDC2 Red +24VDC +24VDC
X500 1 Yellow Cold Water ODE (V5) +24VDC2 Yellow Cold Water ODE (V5) Signal
X501 1(Not Used) 2
X502 1(Not Used) 2
X503 1 Black Vacuum Pump +24VDC2 Red Vacuum Pump -24VDC
Electrical Diagram
of 8671
User Interface Board Electrical Diagram Overview
J11-1
J11
J10-2J10-1
J10
J11-2
Command Board
LIM Board
12
3 2 1
Electrical Diagram
of 8672
Connector Pin Number Wire Color Description / Function VoltageJ10 1 Yellow User Interface Power -24VDC
2 Orange User Interface Power +24VDC
J11 1 Brown Communication2 Blue Communication
Electrical Diagram
of 8673
Primary LED Board Front
Command Board
User Interface Board
LIM Board Electrical Diagram Overview
Thot
Micro Switch Brew Handle
Tmix
Micro Switch Brew Cylinder
NTC
NTC
J3-1
J1
J3
J2
J3-2J3-3
J2-8
J2-3
J2-10
J2-2J2-1
J2-9
J2-4
J2-11
Pressure Sensor
J2-5
J1-3
J1-1
J2-7
J1-5J1-6
J2-6
J1-4
J1-2
1110987654321
12345
321
Electrical Diagram
of 8674
Connector Pin Number Wire Color Description / Function VoltageJ1 1 Yellow User Interface -24VDC
2 Orange User Interface +24VDC3 Green Communication4 Red Communication5 White Communication +24VDC6 Black Digital Ground -24VDC
J2 1 Green NTC Thot Thermostat Signal2 Green NTC Thot Thermostat Signal3 Grey NTC Tmix Thermostat Signal4 Grey NTC Tmix Thermostat Signal5 Brown Pressure Sensor6 Purple Pressure Sensor7 Orange Pressure Sensor8 Red Micro Switch Brew Handle Signal9 Red Micro Switch Brew Handle Signal
10 Black Micro Switch Brew Cylinder Signal11 Black Micro Switch Brew Cylinder Signal
J3 1 Blue Logo LED (Customer Side) -24VDC2 White Logo LED (Customer Side) +24VDC3 Yellow Logo LED (Customer Side) Signal
Electrical Diagram
of 8675
Primary LED Board Front = Pin 1
Brew Cylinder LEDs
LIM BoardSecondary LED Board Front
Secondary LED Board BackPrimary LED Board Back
LED Strip Left Upper
LED Strip Left Lower
LED Strip Right Upper
LED Strip Right Lower
LED Boards Electrical Diagram Overview
4
2
1
7
6
5
11
1
22
2
3344
7
J1
J3
J6
J5
J4J106
6
5
421
1
1
1
1
2
2
3
3
4
2
2
Electrical Diagram
of 8676
Connector Pin Number Wire Color Description / Function VoltagePrimary LED Board
J1 (Front) 1 Blue Primary LED Board Power -24VDC2 White Primary LED Board Power +24VDC3 Yellow Primary LED Board Power Signal
J3 (Front) 1 Blue LED Strip Upper Right +24VDC2 Red LED Strip Upper Right Signal3 White LED Strip Upper Right Signal4 Black LED Strip Upper Right -24VDC
J4 (Back) 1 Blue LED Strip Upper Left +24VDC2 Red LED Strip Upper Left Signal3 White LED Strip Upper Left Signal4 Black LED Strip Upper Left -24VDC
J5 (Front) 1 Blue Brew Cylinder LEDs +24VDC2 Red Brew Cylinder LEDs Signal
J6 (Front) 1 Black Secondary LED Board (J106) +24VDC2 Red Secondary LED Board (J106) Signal
Secondary LED BoardJ106 1 Black Secondary LED Board +24VDC
2 Red Secondary LED Board Signal
LED Strips UpperJ1 1 Blue Upper LED Light Strips +24VDC
2 Red Upper LED Light Strips Signal3 White Upper LED Light Strips Signal4 Black Upper LED Light Strips -24VDC5 Orange Upper LED Light Strips -24VDC6 Yellow Upper LED Light Strips Signal7 Purple Upper LED Light Strips +24VDC
LED Strips LowerJ1 1 Lower
2 Lower34 Orange -24VDC5 -24VDC6 Yellow Signal7 Purple +24VDC
Electrical Diagram
of 8677
SEQUENCE OF OPERATIONS
The 9 Core Functions of the BKON Unit:1. Fill2. Rinse3. Vacuum4. Purge no water5. Purge with water6. Blowout7. Drink Preparation
a. Preparation Vacuumb. Preparation Water
8. Start / Initialization
Fill - adding water at the correct temperature into the brew cylinder for beverage productionRinse - adding water to the brew cylinder after beverage cycle is complete to rinse away beverage ingredientsVacuum - decreasing the atmospheric pressure inside the brew cylinder, also called infusionPurge no water - expelling the contents of the brew cylinder by increasing the atmospheric pressure inside the brew
cylinderPurge with water - used to preheat the brew cylinder after an idle periodBlowout - removes water from the air / water separator after each beveragePreparation Vacuum - applying a small amount of vacuum to the brew cylinder. This small amount of vacuum does
two things;1. Air leak check before water enters the brew cylinder2. Pressure buffer, when the water fi rst enters the cylinder a small amount of water will fl ash
into steam due low atmospheric pressure. The pressure buffer prevents an over pressure event.
Preparation Water - heating water to the correct temperature before introducing it to the brew cylinder andStart / Initialization - daily start up of the unit and initialization of the software
of 8678
Sequence of Operations
Task T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17
1 Fill V1 M1 F2 F1 T(cold) T(hot) T(mix) V3 M1 V1 V3
2 Rinse V1 M1 F2 F1 T(cold) T(hot) T(mix) V4 M1 V1 V4
3 Vacuum (RAIN) P4 V10 V6 P1 vacuum pump speed modulation P4 V6 V10 V7 V7
4 Purge (No Water)Drink Dispensing P4 V9 V6 P1 vacuum pump speed
modulation P4 V6 V9
5Purge (With Water)Preheat Brew Cylinder
P4 V9 V6 P1 vacuum pump speed modulation V1 M1 V4 V9 V6 V4 V1 M1
6 Blowout Air/Water Separator V9 V8 P4 P4 V9 V8
7 Drink Preparation Vac Temp
a Vacuum Preparation P4 V10 V6 P1 to sense vacuum P4 V10 V6 V7 V7
b Water Temp Preparation V1 M1 T(cold) T(hot) T(mix) to sense water on
way to drain V5
Open
Lege
nd
SensingClosed
of 8679
Sequence of operations for the core functions:Fill -
1. Activate (open) main water inlet valve (V1)2. Activate (start) water pump (M1)3. Cold water thermostat ((T)cold) measures the temperature of the cold water4. Hot water fl owmeter 2 (F2) measure the amount of hot water5. Cold water fl owmeter (F1) measures the amount of cold water6. Air sanitizing valve (V2), not activated7. Hot water thermostat ((T)hot) measures the temperature of the hot water8. Mix water thermostat ((T)mix) measures the temperature of the mix water9. Active (open) the fi ll valve (V3), water will enter the brew cylinder
10. Deactivate (close) the water pump (M1)11. Deactivate (close) the main water inlet valve (V1)12. Deactivate (close) the fi ll valve (V3), water will stop entering the brew cylinder
Vacuum -
1. Activate (open) vacuum pump (P4)2. Activate (open) vacuum valve (V10)3. Activate (open) atmosphere valve (V6)4. Pressure sensor 1(P1) measures the vacuum pressure5. Vacuum pump speed modulation6. Vacuum pump speed modulation7. Vacuum pump speed modulation8. Vacuum pump speed modulation9. Vacuum pump speed modulation
10. Deactivate (Close) vacuum pump (P4)11. Deactivate (Close) atmosphere valve (V6)12. Deactivate (Close) vacuum valve (V10)13. Activate (open) air leakage valve (V7)14. Deactivate (Close) air leakage valve (V7)
Rinse -
1. Activate (open) main water inlet valve (V1)2. Activate (start) water pump (M1)3. Hot water fl owmeter (F2) measure the amount of hot water4. Cold water fl owmeter (F1) measures the amount of cold water5. Cold water thermostat ((T)cold) measures the temperature of the cold water6. Hot water thermostat ((T)hot) measures the temperature of the hot water7. Mix water thermostat ((T)mix) measures the temperature of the mix water8. Active (open) the rinse valve (V4), water will enter the brew cylinder9. Deactivate (close) the water pump (M1)
10. Deactivate (close) the main water inlet valve (V1)11. Deactivate (close) the fi ll valve (V3), water will stop entering the brew cylinder
Sequence of Operations
of 8680
Purge NO water -
1. Activate (open) vacuum pump (P4)1. Activate (open) purge valve (V9)2. Activate (open) atmosphere valve (V6)3. Pressure sensor 1(P1) measures the vacuum pressure4. Vacuum pump speed modulation5. Vacuum pump speed modulation6. Vacuum pump speed modulation7. Vacuum pump speed modulation8. Vacuum pump speed modulation9. Vacuum pump speed modulation
10. Deactivate (Close) vacuum pump (P4)11. Deactivate (Close) atmosphere valve (V6)12. Deactivate (Close) purge valve (V9)
Purge WITH water -
1. Activate (open) vacuum pump (P4)2. Activate (open) purge valve (V9)3. Activate (open) atmosphere valve (V6)4. Pressure sensor 1(P1) measures the vacuum pressure5. vacuum pump speed modulation6. vacuum pump speed modulation7. vacuum pump speed modulation8. vacuum pump speed modulation9. vacuum pump speed modulation
10. Activate (open) the main water inlet valve (V1)11. Activate (start) water pump (M1)12. Activate (open) rinse valve (V4)13. Deactivate (Close) purge valve (V9)14. Deactivate (Close) atmosphere valve (V6)15. Deactivate (Close) rinse valve (V4)16. Deactivate (Close) main water inlet valve (V1)17. Deactivate (Close) water pump (M1)
Sequence of Operations
of 8681
Blowout -
1. Activate (open) purge valve (V9)2. Activate (open) blowout valve (V8)3. Activate (open) vacuum pump (P4)4. Deactivate (Close) vacuum pump (P4)5. Deactivate (Close) purge valve (V9)6. Deactivate (Close) blowout valve (V8)
Start / Initialization -
Preparation vacuum -
1. Activate (open) vacuum pump (P4)2. Activate (open) vacuum valve (V10)3. Activate (open) atmosphere valve (V6)4. Pressure sensor 1(P1) measures the vacuum pressure5. To sense vacuum6. To sense vacuum7. To sense vacuum8. To sense vacuum9. Deactivate (Close) vacuum pump (P4)
10. Deactivate (Close) vacuum valve (V10)11. Deactivate (Close) atmosphere valve (V6)12. Activate (open) air leakage valve (V7)13. Deactivate (Close) air leakage valve (V7)
Preparation Water Temperature -
1. Activate (open) main water inlet valve (V1)2. Activate (start) water pump (M1)3. Cold water thermostat ((T)cold) measures the temperature of the cold water4. Hot water thermostat ((T)hot) measures the temperature of the hot water5. Mix water thermostat ((T)mix) measures the temperature of the mix water6. To sense water on the way to drain7. To sense water on the way to drain8. To sense water on the way to drain9. To sense water on the way to drain
10. To sense water on the way to drain11. Cold water mix valve (V5) optional12. Beverage cycle begins
Sequence of Operations
of 8682
Sequence of Operations
of 8683
The 5 Beverage Functions1. Prewash2. Fill3. Infusion4. Steep5. Dispense
Prewash - adding a small amount of water to wash the tea leaves (mostly darker teas)a. Preparation waterb. Preparation vacuumc. Filld. Purge no water
Fill - adding the correct temperature water to the brew cylindera. Preparation waterb. Preparation vacuumc. Fill
Infusion - decreasing the atmospheric pressure of the brew cylindera. Vacuum
Steep - giving the beverage time to brew (fl avor extraction)Dispense - expelling the beverage from the brew cylinder to the cup. By increasing the atmospheric pressure inside
the brew cylinder the check valve inside the purge valve is forced open allowing the brew cylinder to empty
b. Purge no waterc. Blowout
Beverage functions will vary both in the number of times used and in the amount of time they are engaged. These two variations are based on the programmed beverage recipe.
Sequence of Operations
of 8684
N
24 7
35 10
40 17
30 15
5
6
3
250 50
205°
100 25
0 45
0 25
Brew Parameters Code Chart
Sequence of Operations
of 8685
40 17
30 15
The blue pie shapes represents a negative pressure inside the brew cylinder, a vacuum, also called an infusion cycle.
Vacuum (Depth / Holding Time)The two numbers inside the blue box represents negative pressure amount and the time the pressure is held.In this example the unit decreases pressure inside the brew cylinder to -40 kPa for 17 seconds.Kilopascals (kPa)100 kPa = 1 bar
= 14.5 psi= 29.5 inHg
Purge (Depth / Holding Time)The two numbers inside the red box represent the positive pressure amount and the time the pressure is held.In this example the unit increases pressure inside the brew cylinder to 30 kPa for 15 seconds.Kilopascals (kPa)100 kPa = 1 bar
= 14.5 psi= 29.5 inHg
The red pie shapes represents a positive pressure inside the brew cylinder, also called a purge cycle.
Sequence of Operations
of 8686
250 50
5
205°
Water Injection (Fill / Rinse)Water quantity is measured in milliliters (ml)In this example a total of 300 ml of water is injected into the brew cylinder. 250 ml of water is injected through the fi ll valve (V3) and 50 ml through the rinse valve (V4)
Atmosphere PauseThis is the amount of time in seconds that the unit pauses to allow the beverage to brew or steep.
Beverage TemperatureFor this example the beverage temperature is programmed for 205° F
Starting point and order of sequenceThe black vertical line is the stating point for the beverage cycle. The arrow is the order of sequence.
Sequence of Operations
Franke Foodservice Systems Inc.800 Aviation ParkwaySmyrna, TN 37167www.frankefs.com
(19006964 Rev. B, April, 2015)© 2014 Franke Foodservice Systems, Inc. This media is the confi dential property of Franke Foodservice Systems, Inc. and shall not be reproduced in any form of media without the express written permission of Franke. BKON, BKON Craft Brewer, RAIN, Reverse Atmospheric Infusion, and the red dot logo are trademarks of Bkon LLC. Franke mark used under license Franke Technology and Trademark Ltd., Switzerland. Due to continuous product development, Franke Foodservice Systems Inc. reserves the right to make changes in design and specifi cations without prior notice.
Franke Group, which includes both Franke Foodservice Systems and Coffee Systems divisions, is one of the worlds leading suppliers of fully automatic coffee machines and innovative, out-of-home hot-beverage solutions. Franke is BKON's exclusive global partner, providing engineering, manufacturing, distribution and support for commercial systems that use BKON's patented Reverse Atmospheric Infusion™ brewing technology.
For Support:Tel 1-800-537-2653 opt. 2
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