Operating Controls | Cornelius R-404A REFRIGERANT instruction

	CONTROL PANEL	FAULT MESSAGE DISPLAY
	CONTROL PANEL	HIDDEN “SECURITY SWITCH”
		HIDDEN “SECURITY SWITCH”

BACK PANEL

TOP PANEL

TOP PANEL RETAINING

SCREW (2)

CONTROL PANEL

FACEPLATE RELIEF

VALVE (4)

CUP REST

DISPENSING VALVE (2)

DRIP TRAY

BRACKET

RETAINING SCREW

(ITEM 6)

	DRIP TRAY
	BRACKET
	ACCESS PANEL
	SPACER
ACCESS PANEL	(ITEM 14)
RETAINING SCREW	LOWER FRONT
(ITEM 16)	ACCESS PANEL

VENTILATION LOUVERS

FRONT ACCESS

DOOR LOCK

SIDE PANEL (2)

SIDE PANEL

RETAINING SCREW

FACEPLATE (2)

NOTE: The No. 1 freeze cylinder is the left-hand cylinder facing the front of the Unit. The No. 2 freeze cylinder is to the right of the No. 1 freeze cylinder.

FIGURE 5. OPERATING CONTROLS

39	312028000

Image 46

Cornelius R-404A REFRIGERANT service manual Operating Controls

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 Relocating Troubleshooting Control Panel Switches and Fault Product Carbonation AdjustmentDaily Cleaning of Unit Sanitizing Syrup Systems ‘‘ERROR 1’’ or ‘‘ERROR 2’’ Fault Message Goes on During Freeze Cylinder Automatic Defrost Cycle does not Defrost Cycle does not Cancel After Pressing ‘‘CANCELList of Figures Table of Contents cont’d General Description Unit Description Theory of Operation AccessoriesService Tools Generic Flavor Tabs Manual Defrost System Defrost SystemsAutomatic 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 Selecting Location Electrical Power RequirementsHZ Unit Installing Drip Tray Supports Item 7 and Item Installing UnitInstalling Leveling Legs 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 Electrical Power Circuit to the Unit Connecting City Plain Water Source Line to UnitElectrical BOX Adjusting Product Blender Tanks Secondary CO2 Turning on Electrical Power to UnitAdjusting Primary CO2 Regulator 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 Menu Selections Programming ‘‘DEFROST’’ Automatic Settings Into UnitMain Menu Selections DIP Switch Functions Switch FunctionProgramming ‘‘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 Brix Totals Menu Commands DescriptionSyrup Minutes Side 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 Product Sample Valves ‘‘SLEEP’’ Sleep Time OperationFaceplate Relief Valves Product Shutoff Valves Dispensed Product Conditions Syrup Flow RegulatorsDispensing Valves ‘‘OVERRUN’’, AS Applied to Frozen Carbonated Beverages Operating Unit Operating CharacteristicsReplenishing Syrup Supply Product Flavor Change Cleaning and SanitizingCleaning Condenser Coil Checking CO2 Supply Adjustments Adjusting ‘‘VIS SET’’ Product Viscosity of Dispensed Product Cleaning CO2 GAS Check Valves TOP Panel Preparing Unit for SHIPPING, STORING, or RelocatingPeriodic Inspection Back Panel Opening Front Access Door Opening and Closing Front Access DoorFront Access Panel 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 Daily Cleaning of Unit Product Carbonation AdjustmentSanitizing 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 Replenishing CO2 Supply Service and Maintenance SectionSyrup 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 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 on Troubleshooting Product Blender Tanks and Carbonator Troubleshooting Dispensed Product Excessively Frozen ProductConsistency Varies 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