Manuals / Cornelius / Kitchen Appliance / Beverage Dispenser

Cornelius R-404A REFRIGERANT Opening and Closing Front Access Door, Front Access Panel

Models: R-404A REFRIGERANT

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FRONT ACCESS PANEL

Remove two screws securing front access panel, then remove panel and plastic spacers from the Unit. MAKE SURE WHEN REINSTALLING THE FRONT ACCESS PANEL, TO REINSTALL THE PLASTIC SPACERS IN BETWEEN THE PANEL AND THE UNIT FRAME.

OPENING AND CLOSING FRONT ACCESS DOOR

OPENING FRONT ACCESS DOOR

Using a flat blade screwdriver, turn lock counterclockwise to unlock the front access door (see Figure 5), then open the door.

CLOSING FRONT ACCESS DOOR

Close front access door, then use a flat blade screwdriver to turn lock clockwise to lock the door.

LUBRICATION

CARBONATOR WATER PUMP MOTOR

(see Figure 12)

Carbonator water pump motor bearings must be lubricated periodically. Refer to oiling instructions on motor. DO NOT OVER OIL.

SERVICING DISPENSING VALVES CAGED O-RINGS AND FREEZE CYLINDERS DRIVE SHAFT/ SEAL ASSEMBLIES

Servicing Dispensing Valves Caged O-Rings.

(see Figure 7)

NOTE: Dispensing valves caged O-Rings should be serviced (lubricated) every six months and O-Rings should be replaced once a year.

1.Defrost freeze cylinders, shut Unit down, disconnect electrical power from Unit, close product shutoff valves in lines leading from the product blender tanks to the freeze cylinders, then drain product from the freeze cylinders.

NOTE: Item numbers in parentheses in this paragraph are in reference to Figure 8.

2.Remove HEX NUTS (item 7) and FLATWASHERS (item 6) securing FACEPLATE (item 8) to freeze cylin- der, then remove faceplate from

cylinder.

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Cornelius R-404A REFRIGERANT Opening and Closing Front Access Door, Front Access Panel, Opening Front Access Door

Contents

To the Installer Table of Contents Table of Contents cont’d VIS Read Actual Viscosity Readout of Product Programming Main Menu Selections Onto Message DisplayWater Strainer Screen and Double Liquid Check Valve Preparing Unit for SHIPPING, STORING, or Relocating Daily Cleaning of Unit Sanitizing Syrup Systems Product Carbonation AdjustmentTroubleshooting Control Panel Switches and Fault ‘‘ERROR 1’’ or ‘‘ERROR 2’’ Fault Message Goes on During Defrost Cycle does not Cancel After Pressing ‘‘CANCEL Freeze Cylinder Automatic Defrost Cycle does notList of Figures Table of Contents cont’d Unit Description General Description Service Tools AccessoriesTheory of Operation Generic Flavor Tabs Defrost Systems Manual Defrost SystemAutomatic Defrost System ‘‘WAKE UP’’ Wake UP Time ‘‘SLEEP’’ Sleep Time Flow Diagram This page Left Blank Intentionally Identification of LOOSE-SHIPPED Parts Unpacking and Inspection Electrical Power Requirements Selecting LocationHZ Unit Installing Leveling Legs Installing UnitInstalling Drip Tray Supports Item 7 and Item Installing Drip Tray Drain Hose KIT Item Connecting CO2 Source Line to Unit CO2 Inlet Line Installing Primary CO2 Regulator Assembly on CO2 Cylinder Connecting City Plain Water Source Line to Unit Connecting Electrical Power Circuit to the UnitElectrical BOX Adjusting Primary CO2 Regulator Turning on Electrical Power to UnitAdjusting Product Blender Tanks Secondary CO2 Adjusting Carbonator Secondary CO2 Regulator Control Panel ASS’Y Hidden Security Switch Message Display Checking Unit for SYRUP, CO2, or Plain Water Leaks Filling Freeze Cylinders with Product Placing Unit in Operating Location Adjusting Beater Motor Current Either Side Programming Main Menu Selection Onto Message Display Setting Clock Time of DAY Programming ‘‘DEFROST’’ Automatic Settings Into Unit Menu SelectionsMain Menu Selections Switch Function DIP Switch FunctionsProgramming ‘‘SLEEP’’ Sleep Time Into Unit Programming Point of Sale Message Display Programming ‘‘WAKE UP’’ Wake UP Time Into Unit Adjusting VIS SET Product Viscosity of Dispensed Product Master and Relay Circuit Board ‘‘VOLTAGE’’ Displayed Voltage Readout 312028000 Syrup Minutes Side Totals Menu Commands DescriptionBrix Gallons = a X Syrup Minutes Programming Proper Refrigerant Type Into Unit Electronics Displayed Error Conditions Displayed Error Conditions Control Panel ASS’Y Switches Control Panel ASS’Y Switches and Displayed Messages ‘‘SECURITY SWITCH.’’ Control Panel Assembly Display Messages Freeze Cylinders Manual or Automatic Defrost Systems Faceplate Relief Valves ‘‘SLEEP’’ Sleep Time OperationProduct Sample Valves Product Shutoff Valves Dispensing Valves Syrup Flow RegulatorsDispensed Product Conditions ‘‘OVERRUN’’, AS Applied to Frozen Carbonated Beverages Operating Characteristics Operating UnitReplenishing Syrup Supply Cleaning Condenser Coil Cleaning and SanitizingProduct Flavor Change Checking CO2 Supply Adjustments Adjusting ‘‘VIS SET’’ Product Viscosity of Dispensed Product Cleaning CO2 GAS Check Valves Periodic Inspection Preparing Unit for SHIPPING, STORING, or RelocatingTOP Panel Back Panel Front Access Panel Opening and Closing Front Access DoorOpening Front Access Door Closing Front Access Door Operating Controls Unit Internal Components SELF-CLOSING Dispensing Valve 312028000 Adjusting Carbonated Water Flow Rate Adjusting Plain Water Pressure Regulator Freeze Cylinder Cutaway View Servicing Beater Motor Drive SHAFT/SEAL Assembly Beaters and Scraper Blades Installation Adjusting CO2 Regulators Adjusting Brix WATER-TO-SYRUP ‘‘RATIO’’ of Dispensed Product Product Carbonation Adjustment Daily Cleaning of UnitSanitizing Syrup Systems To disconnect soft drink tank from Unit syrup system 312028000 Servicing Carbonator Water Pump Water Strainer Screen Yearly or After Water System Disruption Servicing Carbonator Water Pump Double Liquid Check Valve Liquid Check Valve Assembly Replenishing Syrup Supply Service and Maintenance Section Replenishing CO2 SupplySyrup Flavor Change Water Strainer Screen and Double Liquid Check Valve Replacing Freeze Cylinder Beater Drive Motor Serviced Ments in Small Increments Adjusting Carbonator Tank Liquid Level Carbonator Liquid Level Control Switch Adjustment Refrigeration Flow Diagram Wiring Diagram This page Left Blank Intentionally Troubleshooting Control Panel Switches and Fault Messages Poorly Illuminated Display ONE or More Fault Control Panel SwitchesALL Fault Messages not a Cannot be Deactivated ‘‘CO2 OUT’’ Fault Message ALL Fault Message not‘‘H2O OUT’’ Fault Message Fault Message Goes on Troubleshooting Product Blender Tanks and Carbonator Troubleshooting Dispensed Product Consistency Varies Frozen ProductExcessively FREEZE-UP Unit Part Numbers Illustrated Parts Breakdown Overcounter FCB POST-MIX Dispenser FCB POST-MIX Dispenser FCB POST-MIX Dispenser cont’d Name Secondary CO2 Regulator Components Secondary CO2 Regulator ASS’Y CO2 Regulator Assembly Blender and Tubing Components Tubing Assembly Carb Water Tubing Assembly Water Solenoid to Blender Solenoid Valve Assembly Blender Components Control BOX and Display Panel Components Faceplate Assembly Dispensing Valve Assembly Carbonator Components Carbonator Tank and Linkage Assembly Pump and Motor ASS’Y Beater Motor Drive SHAFT/SEAL ASS’Y Warranty This page Left Blank Intentionally One Cornelius Place Anoka, Minnesota 612 800