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JoeTap JT-NIT-RTD-4444 Manual

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This appliance is intended for commercial use only and is intended for use in dispensing brewed
beverage products for human consumption. No other use is recommended or authorized by the
manufacturer or its agents.
This appliance is intended for use in commercial establishments, where all operators are familiar with
the appliance use, limitations and associated hazards. Operating instructions and warnings must be
read and understood by all operators and users.
Except as noted, this piece of equipment is made in the USA and has American sizes on hardware. All
metric conversions are approximate and can vary in size.
The following trouble shooting, component views and parts lists are included for general reference, and are intended
JOETAP MODEL:
ULINE COOLER MODEL:
SYSTEM REQUIRES USE OF COMPRESSED
NITROGEN FOR PROPER OPERATION.
NITROGEN CAN BE SUPPLIED VIA
NITROGEN GENERATOR OR COMPRESSED
GAS CYLINDERS.
DIAGNOSTICS ARE NOT COVERED IN THIS
MANUAL.
for use by qualified service personnel.
1
2060 Cessna Drive
Suite 100
Vacaville, CA 95688
www.joetap.com
TECHNICAL SUPPORT:
707-448-5151
NITROGEN SUPPLY

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Summary of Contents for JoeTap JT-NIT-RTD-4444

  • Page 1 2060 Cessna Drive Suite 100 Vacaville, CA 95688 www.joetap.com TECHNICAL SUPPORT: 707-448-5151 JOETAP MODEL: ULINE COOLER MODEL: SYSTEM REQUIRES USE OF COMPRESSED NITROGEN FOR PROPER OPERATION. NITROGEN CAN BE SUPPLIED VIA NITROGEN GENERATOR OR COMPRESSED GAS CYLINDERS. NITROGEN SUPPLY DIAGNOSTICS ARE NOT COVERED IN THIS MANUAL.
  • Page 2 • Four taps/Four different beverages • Independent Nitrogen Infusion Control for each tap • Illuminated switches for visual confirmation of Nitro activation • LED ON = Nitro Active • INPUT PRESSURE 30 PSI • Independent Nitrogen infusion • Cold storage for up to 4 pressure adjustments and gauges kegs (2.5 or 3 gallon/ea.) for each tap:...
  • Page 3 1. 30 PSI N2 SUPPLY INPUT LOCATION: REAR PANEL OF N2 CONTROL MODULE. N2 supplied via a Nitrogen generator or compressed gas cylinder. Adjustments to this pressure can be made via a regulator at the output of either nitrogen source. Supply pressure dictates the amount of pressure displacing liquid from the product keg.
  • Page 4 NITROGEN CONTROL BOX/TOWER OPERATIONS ILLUMINATED BUTTON – NITRO ACTIVATED Nitrogen Control Solenoid status: OPEN – NO VOLTAGE PRESENT Nitrogen Vent Solenoid status: CLOSED – NO VOLTAGE PRESENT Nitrogen pressure from the Infusion Regulator enters the Normally Open N2 Control solenoid valve and allowed to pass through. The N2 Vent Solenoid is closed, channeling the Nitrogen Gas to the Infusion Chamber.
  • Page 5 NITROGEN FLOW AND COFFEE INTERACTION Incoming N2 pressure (30 PSI) from the Nitrogen Generator (or Gas Cylinder) is directed into each product keg, displacing the liquid. Product is channeled out of the keg and through an in-line filter into the base of the infusion chamber located inside the tower assembly.
  • Page 6 : OUTPUT PRESSURE FROM NITROGEN SOURCE (N2 GENERATOR OR COMPRESSED GAS CYLINDER) : NITROGEN INFUSION PRESSURE : PRODUCT OUTPUT *Please note that the Nitrogen Control components have been removed from the diagram for simplification. The calibration guidelines below assume that the system is clean and all components are working properly.
  • Page 7 • No Nitrogen pressure from Nitrogen NO PRODUCT POUR – ALL FAUCETS Generator or Compressed Gas Cylinder • No product in keg (Opening faucet will dispense compressed gas only) • Improperly connected or faulty GAS/LIQUID connectors at product keg NO PRODUCT POUR – SINGLE FAUCET •...
  • Page 9 • Disconnect BLACK/LIQUID Ball Lock Connector from Product Tank. • Turn off N2 supply valve at base of Tower • Open faucet to relieve pressure from line • Remove Faucet by rotating Faucet Collar clockwise with faucet wrench • Remove Tower cap and rest it on a Faucet handle that is not being removed •...
  • Page 10 Factory Temperature Setting: 38°F PRIMARY COOLING COMPONENTS DESCRIPTION FUNCTION Provides air circulation for refrigerator interior. *NOTE* will not operate when door is open or if EVAPORATOR FAN the compressor is not actively cooling. Engage door switch to test fan. THERMISTOR Measures air temperature of refrigerator interior.
  • Page 11 (FACTORY SETTINGS SHOWN)
  • Page 12 THERMISTOR RESISTANCE KEY...
  • Page 13 **DISCONNECT UNIT FROM POWER** REMOVE SCREWS SECURING THE LOWER PANEL FROM REAR OF UNIT. REMOVE SCREW ON RIGHT SIDE OF INVERTER, THEN PUSH THE LOCKING TAB TOWARD FRONT OF COOLER TO RELEASE INVERTER COVER. REMOVE SCREW FROM WIRE STRAIN RELIEF BLOCK. USING NEEDLE NOSED PLIERS, REMOVE THE BLACK (POWER) AND WHITE (NEUTRAL) WIRES FROM THE INVERTER.
  • Page 14 **DISCONNECT UNIT FROM POWER** UNPLUG BLUE WIRE FROM INVERTER BY PRESSING TAB TO RELEASE IT FROM SOCKET. RECONNECT UNIT TO POWER AND VERIFY THAT THE COMPRESSOR OPERATION INDICATOR IS LIT ON THE UI BOARD. IF LIT, MEASURE VOLTAGE FROM BLUE WIRE TO CHASSIS GROUND.
  • Page 15 MEASURE VOLTAGE AT EACH OF THE THREE OUTPUTS ON THE COMPRESSOR CONNECTOR. ALL THREE SHOULD MEASURE APPROXIMATELY 120VAC. INSUFFICIENT VOLTAGE AT ANY OF THESE OUTPUTS INDICATES THE INVERTER NEEDS REPLACEMENT. PROPER VOLTAGE INDICATES THE COMPRESSOR HAS FAILED. INSTALL REPLACEMENT INVERTER BY REVERSING THE REMOVAL STEPS OUTLINED ABOVE. TEST COMPRESSOR OPERATIONS ONCE REPLACEMENT IS COMPLETE.
  • Page 16 **DISCONNECT UNIT FROM POWER** PEEL ADHESIVE OVERLAY FROM UI MOUNTING BRACKET. REMOVE BOTH UI MOUNTING BRACKET SCREWS. DISCONNECT WIRING HARNESS FROM UI BOARD AND DISCARD BOARD/BRACKET ASSEMBLY. MAKING SURE THAT THE MOUNTING HOLES AND DISPLAY ARE PROPERLY ALIGNED, SNAP THE NEW UI BOARD INTO NEW MOUNTING BRACKET.

  • Page 17: Process Complete

    THOROUGHLY CLEAN THE STAINLESS STEEL MOUNTING SURFACE FOR THE OF THE UI BRACKET WITH ALCOHOL IF POSSIBLE. RECONNECT THE UI BOARD TO THE WIRING HARNESS. ENSURE THE MOUNTING HOLES ARE ALIGNED WITH STUDS AND ADHERE THE MOUNTING BRACKET TO THE COOLER. SCREW THE MOUNTING BRACKET IN PLACE.
  • Page 18 CUT THE DAMAGED WIRE CONNECTOR AS CLOSE TO THE UI CASING AS POSSIBLE. DISCARD DAMAGED CONNECTOR. LAY THE COOLER ON ITS BACK BEING CAREFUL NOT TO OVER-EXTEND THE TUBING BUNDLE. ON THE BOTTOM SURFACE OF THE OVERHANG, PLACE A MARK 12” (CENTER) FROM THE EDGE OF THE COOLER AND 1”...
  • Page 19 MAKING SURE THAT THE MOUNTING HOLES AND DISPLAY ARE PROPERLY ALIGNED, SNAP THE OLD UI BOARD INTO NEW MOUNTING BRACKET. PEEL AWAY THE ADHESIVE SEAL COVER TO EXPOSE THE FOAM INSULATION GASKET. TAKE CARE TO NOT TOUCH THE GASKET ONCE THE COVER HAS BEEN REMOVED.
  • Page 20 REMOVE 5 SCREWS SECURING LOWER VENTILATION PANEL AT REAR OF COOLER. SET PANEL ASIDE. LOCATE WIRING BUNDLE INSIDE UNIT AND CUT CABLE TIE SECURING BUNDLE TOGETHER. LOCATE WIRE HARNESS FOR ‘DISPLAY BOARD’ AND UNPLUG OLD CABLE FROM HARNESS. BUNDLE OLD CABLE WITH FASTENER AND TUCK INSIDE THE UNIT OUT OF THE WAY.
  • Page 21 PULL NEW CABLE THROUGH TO REAR OF UNIT AND CONNECT TO WIRING HARNESS. BUNDLE ALL HARNESSES BACK TOGETHER WITH A FASTENER AND TUCK BUNDLE BACK INSIDE UNIT. MOUNT BACK PANEL TO REAR OF UNIT AND TEST UI BOARD OPERATIONS. PROCESS COMPLETE...
  • Page 22 FTG 1/4 TUBE X 1/4 NPTF JT-UIHARNK UI HARNESS REPLACEMENT KIT CD-FT-004 FTG ELBOW 1/4 TUBE X 1/4 NPT JT-12607 FAN-EVAPORATOR JOETAP NITRO SLND-20D23 R MINI -118, 1/4" JG, NC, 24VDC JT‐12606 CONDENSER FAN SLND-20D24-1 SLND-20D24 W/ 8-32 TAPPED HOLE...

  • Page 23: Cleaning Solution

    CLEANING SOLUTION: Use a Sanitizing Solution capable of providing 100 PPM of available chlorine when properly mixed with warm (approximately 100°F /38°C) potable water. Examples: 1) STERA-SHEEN® Green Label sanitizer & cleaner available from Purdy Products Company in 2-ounce packets (requires no Rinse step). 2) KAY 5®...
  • Page 24 3. Working from left to right, place a bucket under the first faucet. Pull and hold the first faucet handle open until ½ gallon (64 ounces) of cleaning solution is dispensed. Close the first faucet. 4. Disengage the LIQUID ball lock fitting from the sanitizer tank (leave the GAS ball lock connected) and connect the product line for the next tap to be flushed.
  • Page 25 13. Remove and inspect all faucet tips. You should be checking for debris in the faucet tip and if any of the five holes in the restrictor disc are plugged. 14. Clean the faucet tips over a small cleaning bucket with sanitizer with a small brush. Do this to avoid any faucet tip parts from falling into a drain.

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