Bunn ITCB TWIN HV Technical Training Manual Download Page 1 | Manualshive

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BUNN

®

TECHNICAL TRAINING

ITCB High Volume

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Summary of Contents for ITCB TWIN HV

Page 1: ...BUNN TECHNICAL TRAINING ITCB High Volume...

Page 2: ...2 Heating System 13 Dilution System 14 Dispensing System 14 Unit 3 Programming Programming Lockout 17 Level 1 Programming 17 Level 2 Programming 17 Calibrating the Sprayhead Flow Rate 19 Calibrating t...

Page 3: ...following tasks successfully The learner will be able to discuss key features of the ITCB DV The learner will be able to discuss key features of the ITCB DV HV The learner will be able to discuss key...

Page 4: ...ts to three positions thermal carafe airpot and tea dispenser Large tank provides back to back brewing capacity and allows 3 or 5 gallon 11 4 to 18 9 litres tea batches Dual voltage adaptable Can oper...

Page 5: ...90 psi 138 621 kPa Supplied with 3 8 male flare fitting Requires minimum of 1 5 gpm water flow Dimensions 34 4 H x 10 1 W x 23 8 D 87 4cm H x 25 7cm W x 60 5cm D Infusion Tea and Coffee Twin High Volu...

Page 6: ...planation of how the BUNN ITCB HV brewer operates The learner will be able to identify the functions of the main control board The learner will be able to identify the components and functions of the...

Page 7: ...ght panel User Interface The user interface is a membrane switch adhered to the front of the brewer The membrane is connected to the control board by a ribbon cable The user interface allows the user...

Page 8: ...witch is also used to select options that appear on the display during programming such as DONE E Brew C Switch When the ON OFF is ON and the brewer is on the main screen not in programming mode momen...

Page 9: ...d to fit with regular tea dispensers by detaching the screws on the bottom of the brewer that secure the rails ITCB HV Interior Overview Internal Components TF Servers and TDO N Dispensers Regular Tea...

Page 10: ...ining 10 ITCB Twin HV Interior Overview Internal Components Thermistor Realy Solenoid for Bypass System Solenoid Dispense Valve 120 VAC Fan Transformer Relocated Dual Dilution Solenoid Dillution Hose...

Page 11: ...ominal for 70 C 158 F Relay ITCB Twin HV The additional two relays are used independently to supply voltage to the left or right dilution valve during a tea brew cycle The purpose of using relays for...

Page 12: ...e bottom of the water tank The 120VAC solenoid inlet valve is activated by the control board anytime the brewer calls for water The valve opens and allows water to flow under line pressure to the tank...

Page 13: ...additional 2268W for 208 240VAC ap plication the two elements are wired in series when selected for 208 240VAC The control board monitors the water in the tank by a temperature sensor that is in cont...

Page 14: ...Valve By pass Valve Sprayhead Smart Funnel Pouch Pack Tea Funnel The ITCB DV HV brewer is a gravity brewing system This process uses the head pressure in the hot water tank to allow the water to flow...

Page 15: ...ewer can then receive that recipe once the funnel is in place If the operator places a tea funnel and selects a recipe for regular or decaf coffee the system will recognize that the wrong funnel is in...

Page 16: ...led BUNN ITCB HV brewer the learner will be able to complete the following tasks successfully The learner will be able to access and scroll through the programming options The learner will be able to...

Page 17: ...stored in the brewer This function allows the operator to assign a recipe to or disable each of the 3 brew switches A B C Any saved recipes listed under Review Recipes can be assigned to a brew switc...

Page 18: ...to control the actual flow rate but to tell the internal proces sor how fast the water is flowing This function allows the operator to view or enter the actual flow rate coming out of the bypass valve...

Page 19: ...the server and then into the measuring container Step 2 Press and hold the right hidden switch to enter level 2 programming Continue to press the right hidden switch until the display reads Calibrate...

Page 20: ...easuring container with a minimum capacity of 130 ounces beneath the dilu tion nozzle on the brewer Water can also be dispensed into the server and then into the measuring container Step 2 Press and h...

Page 21: ...for a brew to start After the completion of that brew the tank will return to the 200 holding temperature It may take awhile for the tank to return to the lower temperature Calibrating the Temperature...

Page 22: ...leshoot diagnosis and repair the problem returning the machine to normal operation Given a machine displaying an error message all the necessary tools and safety equipment the learner will be able to...

Page 23: ...Service Tools Screen Press the Brew C button to select Yes This will enter the Service Tools feature In the Service Tools selection there are 3 screens available by selecting Yes you will enter that...

Page 24: ...rd does not see the tank fill within 30 minutes This message will be shown if the control board loses contact with the temperature sensor or senses a short in the connection This message will be shown...

Page 25: ...ed thermistor or the machine is placed in a high ambient environment Example Machine is placed too close to equipment that is producing heat such as flood lights ovens ect An example of normal operati...

Page 26: ...Map ITCB HV Twin 1 Left Relay Dilution TH1 2 Inlet Valve TH2 3 Right Relay Dilution TH3 4 Heating Circuit TH4 5 Left Dispense Valve TH5 6 Right Dispense Valve TH6 7 Left Bypass Valve TH7 8 Right Bypa...

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