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Cornelius R-404A REFRIGERANT service manual This page Left Blank Intentionally

Contents

To the Installer Table of Contents Table of Contents cont’d Programming Main Menu Selections Onto Message Display VIS Read Actual Viscosity Readout of ProductWater Strainer Screen and Double Liquid Check Valve Preparing Unit for SHIPPING, STORING, or Relocating Product Carbonation Adjustment Daily Cleaning of Unit Sanitizing Syrup SystemsTroubleshooting 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 General Description Unit Description Accessories Service ToolsTheory of Operation Generic Flavor Tabs Defrost Systems Manual Defrost SystemAutomatic Defrost System ‘‘SLEEP’’ Sleep Time ‘‘WAKE UP’’ Wake UP Time Flow Diagram This page Left Blank Intentionally Unpacking and Inspection Identification of LOOSE-SHIPPED Parts Electrical Power Requirements Selecting LocationHZ Unit Installing Unit Installing Leveling LegsInstalling Drip Tray Supports Item 7 and Item Installing Drip Tray Drain Hose KIT Item Installing Primary CO2 Regulator Assembly on CO2 Cylinder Connecting CO2 Source Line to Unit CO2 Inlet Line Connecting City Plain Water Source Line to Unit Connecting Electrical Power Circuit to the UnitElectrical BOX Turning on Electrical Power to Unit Adjusting Primary CO2 RegulatorAdjusting Product Blender Tanks Secondary CO2 Adjusting Carbonator Secondary CO2 Regulator Hidden Security Switch Message Display Control Panel ASS’Y Filling Freeze Cylinders with Product Checking Unit for SYRUP, CO2, or Plain Water Leaks Adjusting Beater Motor Current Either Side Placing Unit in Operating Location Setting Clock Time of DAY Programming Main Menu Selection Onto Message Display Programming ‘‘DEFROST’’ Automatic Settings Into Unit Menu SelectionsMain Menu Selections Switch Function DIP Switch FunctionsProgramming ‘‘SLEEP’’ Sleep Time Into Unit Programming ‘‘WAKE UP’’ Wake UP Time Into Unit Programming Point of Sale Message Display Adjusting VIS SET Product Viscosity of Dispensed Product Master and Relay Circuit Board ‘‘VOLTAGE’’ Displayed Voltage Readout 312028000 Totals Menu Commands Description Syrup Minutes SideBrix Gallons = a X Syrup Minutes Displayed Error Conditions Programming Proper Refrigerant Type Into Unit Electronics Displayed Error Conditions Control Panel ASS’Y Switches and Displayed Messages Control Panel ASS’Y Switches Control Panel Assembly Display Messages ‘‘SECURITY SWITCH.’’ Freeze Cylinders Manual or Automatic Defrost Systems ‘‘SLEEP’’ Sleep Time Operation Faceplate Relief ValvesProduct Sample Valves Product Shutoff Valves Syrup Flow Regulators Dispensing ValvesDispensed Product Conditions ‘‘OVERRUN’’, AS Applied to Frozen Carbonated Beverages Operating Characteristics Operating UnitReplenishing Syrup Supply Cleaning and Sanitizing Cleaning Condenser CoilProduct Flavor Change Checking CO2 Supply Adjustments Adjusting ‘‘VIS SET’’ Product Viscosity of Dispensed Product Cleaning CO2 GAS Check Valves Preparing Unit for SHIPPING, STORING, or Relocating Periodic InspectionTOP Panel Back Panel Opening and Closing Front Access Door Front Access PanelOpening Front Access Door Closing Front Access Door Operating Controls Unit Internal Components SELF-CLOSING Dispensing Valve 312028000 Adjusting Plain Water Pressure Regulator Adjusting Carbonated Water Flow Rate 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 Yearly or After Water System Disruption Servicing Carbonator Water Pump Water Strainer Screen Liquid Check Valve Assembly Servicing Carbonator Water Pump Double Liquid Check Valve Replenishing Syrup Supply Service and Maintenance Section Replenishing CO2 SupplySyrup Flavor Change Water Strainer Screen and Double Liquid Check Valve Serviced Replacing Freeze Cylinder Beater Drive Motor Adjusting Carbonator Tank Liquid Level Ments in Small Increments Carbonator Liquid Level Control Switch Adjustment Refrigeration Flow Diagram Wiring Diagram This page Left Blank Intentionally Troubleshooting Control Panel Switches and Fault Messages Control Panel Switches Poorly Illuminated Display ONE or More FaultALL Fault Messages not a Cannot be Deactivated ALL Fault Message not ‘‘CO2 OUT’’ Fault Message‘‘H2O OUT’’ Fault Message Fault Message Goes on Troubleshooting Product Blender Tanks and Carbonator Troubleshooting Dispensed Product Frozen Product Consistency VariesExcessively FREEZE-UP Illustrated Parts Breakdown Unit Part Numbers 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