Cornelius R-404A REFRIGERANT service manual Table of Contents

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TABLE OF CONTENTS

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GENERAL DESCRIPTION	1
GENERAL DESCRIPTION	1
UNIT DESCRIPTION	1
THEORY OF OPERATION	2
DEFROST SYSTEMS	3
MANUAL DEFROST SYSTEM	3
AUTOMATIC DEFROST SYSTEM	3
‘‘SLEEP’’ (SLEEP TIME)	4
‘‘WAKE UP’’ (WAKE UP TIME)	4
INSTALLATION	7
UNPACKING AND INSPECTION	7
IDENTIFICATION OF LOOSE-SHIPPED PARTS	7
ELECTRICAL POWER REQUIREMENTS	8
60 HZ UNIT	8
50 HZ UNIT	8
SELECTING LOCATION	8
INSTALLING UNIT	9
INSTALLING LEVELING LEGS	9
INSTALLING DRIP TRAY SUPPORTS (ITEM 7) AND (ITEM 8)	9
INSTALLING DRIP TRAY DRAIN HOSE KIT (ITEM 10)	9
PREPARING UNIT FOR CONNECTION TO SYRUP, CO2, AND CITY PLAIN
WATER SOURCES	9
INSTALLING PRIMARY CO2 REGULATOR ASSEMBLY ON CO2
CYLINDER	10
CONNECTING SOFT DRINK TANKS CO2 LINES TO PRIMARY CO2
REGULATOR ASSEMBLY	10
PREPARING UNIT SYRUP INLET LINES FOR CONNECTION TO SOFT
DRINK TANKS	10
CONNECTING CO2 SOURCE LINE TO UNIT CO2 INLET LINE	10
CONNECTING CITY PLAIN WATER SOURCE LINE TO UNIT	11
CONNECTING ELECTRICAL POWER CIRCUIT TO THE UNIT	11
PREPARATION FOR OPERATION	12
TURNING ON ELECTRICAL POWER TO UNIT	12
TURNING ON CO2 SUPPLY TO THE UNIT	12
ADJUSTING PRIMARY CO2 REGULATOR	12
ADJUSTING PRODUCT BLENDER TANKS SECONDARY CO2	12
ADJUSTING CARBONATOR SECONDARY CO2 REGULATOR	12
STARTING FCB AND ADJUSTING WATER-TO-SYRUP “RATIO” (BRIX) OF
DISPENSED PRODUCT	13
FILLING FREEZE CYLINDERS WITH PRODUCT	14
CHECKING UNIT FOR SYRUP, CO2, OR PLAIN WATER LEAKS	14
PLACING UNIT IN OPERATING LOCATION	15
ADJUSTING BEATER MOTOR CURRENT (EITHER SIDE)	15

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Contents To the Installer Table of Contents Table of Contents cont’d Water Strainer Screen and Double Liquid Check Valve Programming Main Menu Selections Onto Message DisplayVIS Read Actual Viscosity Readout of Product Preparing Unit for SHIPPING, STORING, or RelocatingTroubleshooting Control Panel Switches and Fault Product Carbonation AdjustmentDaily Cleaning of Unit Sanitizing Syrup Systems ‘‘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 General Description Unit DescriptionTheory of Operation AccessoriesService Tools Generic Flavor TabsAutomatic Defrost System Defrost SystemsManual Defrost System ‘‘SLEEP’’ Sleep Time ‘‘WAKE UP’’ Wake UP TimeFlow Diagram This page Left Blank Intentionally Unpacking and Inspection Identification of LOOSE-SHIPPED PartsHZ Unit Electrical Power RequirementsSelecting Location Installing Drip Tray Supports Item 7 and Item Installing UnitInstalling Leveling Legs Installing Drip Tray Drain Hose KIT ItemInstalling Primary CO2 Regulator Assembly on CO2 Cylinder Connecting CO2 Source Line to Unit CO2 Inlet LineElectrical BOX Connecting City Plain Water Source Line to UnitConnecting Electrical Power Circuit to the Unit Adjusting Product Blender Tanks Secondary CO2 Turning on Electrical Power to UnitAdjusting Primary CO2 Regulator Adjusting Carbonator Secondary CO2 RegulatorHidden Security Switch Message Display Control Panel ASS’YFilling Freeze Cylinders with Product Checking Unit for SYRUP, CO2, or Plain Water LeaksAdjusting Beater Motor Current Either Side Placing Unit in Operating LocationSetting Clock Time of DAY Programming Main Menu Selection Onto Message DisplayMain Menu Selections Programming ‘‘DEFROST’’ Automatic Settings Into UnitMenu Selections Programming ‘‘SLEEP’’ Sleep Time Into Unit Switch FunctionDIP Switch Functions Programming ‘‘WAKE UP’’ Wake UP Time Into Unit Programming Point of Sale Message DisplayAdjusting VIS SET Product Viscosity of Dispensed Product Master and Relay Circuit Board ‘‘VOLTAGE’’ Displayed Voltage Readout 312028000 Brix Totals Menu Commands DescriptionSyrup Minutes Side Gallons = a X Syrup MinutesDisplayed Error Conditions Programming Proper Refrigerant Type Into Unit ElectronicsDisplayed Error Conditions Control Panel ASS’Y Switches and Displayed Messages Control Panel ASS’Y SwitchesControl Panel Assembly Display Messages ‘‘SECURITY SWITCH.’’Freeze Cylinders Manual or Automatic Defrost Systems Product Sample Valves ‘‘SLEEP’’ Sleep Time OperationFaceplate Relief Valves Product Shutoff ValvesDispensed Product Conditions Syrup Flow RegulatorsDispensing Valves ‘‘OVERRUN’’, AS Applied to Frozen Carbonated BeveragesReplenishing Syrup Supply Operating CharacteristicsOperating Unit Product Flavor Change Cleaning and SanitizingCleaning Condenser Coil Checking CO2 SupplyAdjustments Adjusting ‘‘VIS SET’’ Product Viscosity of Dispensed Product Cleaning CO2 GAS Check Valves TOP Panel Preparing Unit for SHIPPING, STORING, or RelocatingPeriodic Inspection Back PanelOpening Front Access Door Opening and Closing Front Access DoorFront Access Panel Closing Front Access DoorOperating Controls Unit Internal Components SELF-CLOSING Dispensing Valve 312028000 Adjusting Plain Water Pressure Regulator Adjusting Carbonated Water Flow RateFreeze 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 Yearly or After Water System Disruption Servicing Carbonator Water Pump Water Strainer ScreenLiquid Check Valve Assembly Servicing Carbonator Water Pump Double Liquid Check ValveReplenishing Syrup Supply Syrup Flavor Change Service and Maintenance SectionReplenishing CO2 Supply Water Strainer Screen and Double Liquid Check Valve Serviced Replacing Freeze Cylinder Beater Drive MotorAdjusting Carbonator Tank Liquid Level Ments in Small IncrementsCarbonator Liquid Level Control Switch Adjustment Refrigeration Flow Diagram Wiring Diagram This page Left Blank Intentionally Troubleshooting Control Panel Switches and Fault Messages ALL Fault Messages not a Control Panel SwitchesPoorly Illuminated Display ONE or More Fault Cannot be Deactivated‘‘H2O OUT’’ Fault Message ALL Fault Message not‘‘CO2 OUT’’ Fault Message Fault Message Goes onTroubleshooting Product Blender Tanks and Carbonator Troubleshooting Dispensed Product Excessively Frozen ProductConsistency Varies FREEZE-UPIllustrated Parts Breakdown Unit Part NumbersOvercounter 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