Cornelius R-404A REFRIGERANT service manual Adjustments

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ADJUSTMENTS

CARBONATED WATER FLOW RATE

The carbonated water flow regulators (see Figure 2 and 12), which control carbonated water flow rate into product blender tanks, are factory adjusted and normally do not require further adjustment. If adjustment should become necessary, adjust as instructed in the SERVICE AND MAINTENANCE section.

WATER-TO-SYRUP “RATIO” (BRIX) OF DISPENSED PRODUCT

Water-To-Syrup “Ratio” (BRIX) is the water-to-syrup “ratio” of the dispensed product. Adjust BRIX as instructed in the SERVICE AND MAINTENANCE section.

CO2 REGULATORS

Primary CO2 Regulator.

The primary CO2 regulator (see Figure 2 and 6) regulates CO2 pressure to the soft drink tanks (also to the bag-in-box syrup system if used) and also to the secondary CO2 regulators located inside the Unit. If necessary to adjust the primary CO2 regulator, adjust as instructed in the SERVICE AND MAINTENANCE section.

Secondary CO2 Regulators.

The secondary CO2 regulators (see Figure 2 and 6) regulate CO2 pressure to the carbonator and product blender tanks. If necessary to adjust secondary CO2 regulators, adjust as instructed in the SERVICE AND MAINTENANCE section.

ADJUSTING BEATERS MOTORS CURRENTS

Beaters motors currents must be adjusted as instructed in the INSTALLATION section.

PROGRAMMING MAIN MENU SELECTIONS ONTO MESSAGE DISPLAY

The MAIN MENU SELECTIONS (see Table 4) may be brought up on message display as instructed in the INSTALLATION section.

SETTING ‘‘CLOCK’’ (TIME OF DAY)

NOTE: ‘‘CLOCK’’ (TIME OF DAY) must be programmed into Unit before ‘‘DEFROST’’ (AUTOMATIC), ‘‘SLEEP’’ (SLEEP TIME), and ‘‘WAKE UP’’ (WAKE UP TIME) can be programmed into the Unit.

Program ‘‘CLOCK’’ (TIME OF DAY) into Unit as instructed in the INSTALLATION section.

PROGRAMMING ‘‘DEFROST’’ (AUTOMATIC) SETTINGS INTO UNIT

The automatic defrost system may be programmed into the Unit to occur up to nine different times during a day with a minimum of two hours between defrost time settings. Program automatic defrost time settings into the Unit as instructed in the INSTALLATION section.

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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 RelocatingDaily Cleaning of Unit Sanitizing Syrup Systems Product Carbonation AdjustmentTroubleshooting Control Panel Switches and Fault ‘‘ERROR 1’’ or ‘‘ERROR 2’’ Fault Message Goes on DuringList of Figures Defrost Cycle does not Cancel After Pressing ‘‘CANCELFreeze Cylinder Automatic Defrost Cycle does not Table of Contents cont’d Unit Description General DescriptionService Tools AccessoriesTheory of Operation Generic Flavor TabsAutomatic Defrost System Defrost SystemsManual Defrost System ‘‘WAKE UP’’ Wake UP Time ‘‘SLEEP’’ Sleep TimeFlow Diagram This page Left Blank Intentionally Identification of LOOSE-SHIPPED Parts Unpacking and InspectionHZ Unit Electrical Power RequirementsSelecting Location Installing Leveling Legs Installing UnitInstalling Drip Tray Supports Item 7 and Item Installing Drip Tray Drain Hose KIT ItemConnecting CO2 Source Line to Unit CO2 Inlet Line Installing Primary CO2 Regulator Assembly on CO2 CylinderElectrical BOX Connecting City Plain Water Source Line to UnitConnecting Electrical Power Circuit to the Unit Adjusting Primary CO2 Regulator Turning on Electrical Power to UnitAdjusting Product Blender Tanks Secondary CO2 Adjusting Carbonator Secondary CO2 RegulatorControl Panel ASS’Y Hidden Security Switch Message DisplayChecking Unit for SYRUP, CO2, or Plain Water Leaks Filling Freeze Cylinders with ProductPlacing Unit in Operating Location Adjusting Beater Motor Current Either SideProgramming Main Menu Selection Onto Message Display Setting Clock Time of DAYMain Menu Selections Programming ‘‘DEFROST’’ Automatic Settings Into UnitMenu Selections Programming ‘‘SLEEP’’ Sleep Time Into Unit Switch FunctionDIP Switch Functions Programming Point of Sale Message Display Programming ‘‘WAKE UP’’ Wake UP Time Into UnitAdjusting 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 MinutesProgramming Proper Refrigerant Type Into Unit Electronics Displayed Error ConditionsDisplayed Error Conditions Control Panel ASS’Y Switches Control Panel ASS’Y Switches and Displayed Messages‘‘SECURITY SWITCH.’’ Control Panel Assembly Display MessagesFreeze Cylinders Manual or Automatic Defrost Systems Faceplate Relief Valves ‘‘SLEEP’’ Sleep Time OperationProduct Sample Valves Product Shutoff ValvesDispensing Valves Syrup Flow RegulatorsDispensed Product Conditions ‘‘OVERRUN’’, AS Applied to Frozen Carbonated BeveragesReplenishing Syrup Supply Operating CharacteristicsOperating Unit Cleaning Condenser Coil Cleaning and SanitizingProduct Flavor Change Checking CO2 SupplyAdjustments Adjusting ‘‘VIS SET’’ Product Viscosity of Dispensed Product Cleaning CO2 GAS Check Valves Periodic Inspection Preparing Unit for SHIPPING, STORING, or RelocatingTOP Panel Back PanelFront Access Panel Opening and Closing Front Access DoorOpening Front Access Door Closing Front Access DoorOperating Controls Unit Internal Components SELF-CLOSING Dispensing Valve 312028000 Adjusting Carbonated Water Flow Rate Adjusting Plain Water Pressure RegulatorFreeze 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 Sanitizing Syrup Systems Product Carbonation AdjustmentDaily Cleaning of Unit To disconnect soft drink tank from Unit syrup system 312028000 Servicing Carbonator Water Pump Water Strainer Screen Yearly or After Water System DisruptionServicing Carbonator Water Pump Double Liquid Check Valve Liquid Check Valve AssemblyReplenishing Syrup Supply Syrup Flavor Change Service and Maintenance SectionReplenishing CO2 Supply Water Strainer Screen and Double Liquid Check Valve Replacing Freeze Cylinder Beater Drive Motor ServicedMents in Small Increments Adjusting Carbonator Tank Liquid LevelCarbonator 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 onTroubleshooting Product Blender Tanks and Carbonator Troubleshooting Dispensed Product Consistency Varies Frozen ProductExcessively FREEZE-UPUnit Part Numbers Illustrated Parts BreakdownOvercounter 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