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Cornelius
R-134A service manual This Page Left Blank Intentionally, 312027000
Models:
R-134A
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Troubleshooting
Install
Wiring Schematic For Electronic Ice Bank Control Optional
Warranty
Maintenance
Connecting Plain Water Source Lines To Unit
NOTE Crushed ice also causes dispensing problems. When dispensed drink hits sharp edges of ice, carbonation is released from drink
Cleaning Drop-In Refrigeration Assembly Condenser Coil
Understand Signal Words
Adjust Water-To-Syrup “Ratio” Brix Of Dispensed Product
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Contents
Ó IMI CORNELIUS INC
TABLE OF CONTENTS
TROUBLESHOOTING
TABLE OF CONTENTS cont’d
SERVICE AND MAINTENANCE
Page
TABLE OF CONTENTS cont’d
TROUBLESHOOTING REFRIGERATION SYSTEM
Understand Signal Words
SAFETY INFORMATION
Recognize Safety Information
Follow Safety Instructions
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GENERAL DESCRIPTION
GENERAL INFORMATION
UNIT DESCRIPTION
WARRANTY REFERENCE INFORMATION
THEORY OF OPERATION
CO2 CHECK VALVE
SYRUP SYRUP SYRUP SYRUP SYRUP CARBONATED WATER TANK CO2 INLET
CARBONATOR PLAIN WATER INLET DOUBLE LIQUID CHECK VALVE WATER PUMP
CARB WATER
CO2 CHECK
SYRUP SYRUP SYRUP SYRUP SYRUP SYRUP PLAIN WATER NO. 3 VALVE
CAP NUT
CARB WATER
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UNPACKING AND INSPECTION
INSTALLATION
IDENTIFICATION OF LOOSE-SHIPPED PARTS
CONNECTING PLAIN WATER SOURCE LINES TO UNIT
INSTALLING WATER ONLY LEVER KIT P/N 3297 ON UF-1 DISPENSING VALVE
INSTALLING UNIT
SELECTING LOCATION
TUBES
FIGURE 4. SYRUP INLET SUPPLY LINE CONNECTIONS SIX-FLAVOR UNIT SHOWN
DISPENSING VALVE RELEASE LATCH DISPENSING VALVE BLOCK SYRUP INLET
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CONNECTING SYRUP SOURCE LINES TO UNIT
SEALING UNIT BASE TO COUNTERTOP
CONNECTING CO2 SOURCE LINE TO UNIT
PREPARING UNIT FOR OPERATION
FILL WATER TANK AND START REFRIGERATION SYSTEM
UNIT OPERATION
ADJUST WATER-TO-SYRUP “RATIO” BRIX OF DISPENSED PRODUCT
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CARBONATOR WATER PUMP MOTOR POWER SWITCH
DISPENSING VALVES KEYED LOCK-OUT SWITCH
UNIT POWER SWITCH 115 VAC, 60 HZ UNITS ONLY
OPERATOR’S INSTRUCTIONS
ADJUSTING CO2 REGULATORS
ADJUSTMENTS
CLEANING AND SANITIZING
ADJUSTING DISPENSING VALVE WATER FLOW RATE
CHECKING ICE WATER BATH
CLEANING CO2 GAS CHECK VALVES
SANITIZING SYRUP SYSTEMS
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PREPARING UNIT FOR SHIPPING, STORING, OR RELOCATING
SERVICE AND MAINTENANCE
FRONT ACCESS PANEL REMOVAL
HOOD AND FRONT PANEL REMOVAL
MAIN POWER SWITCH 115VAC UNIT ONLY
POWER CORD
KEYED-LOCK SWITCH
AGITATOR MOTOR
ADJUSTING DISPENSING VALVES WATER FLOW RATE
FIGURE 6. SF-1 DISPENSING VALVE
FIGURE 7. UF-1 DISPENSING VALVE
ADJUSTING WATER-TO-SYRUP “RATIO” BRIX OF DISPENSED PRODUCT
CLEANING DROP-IN REFRIGERATION ASSEMBLY CONDENSER COIL
CHECKING ICE WATER BATH
CLEANING WATER TANK
DAILY CLEANING OF UNIT
CLEANING AND SANITIZING
FIGURE 8. WATER TANK
SANITIZING POST-MIX SYRUP SYSTEMS
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WARNING To avoid possible personal injury or property damage, do not attempt to remove the syrup tank cover until CO2 pressure has been released from the tank
NOTE A screen should always be used, otherwise particles could foul the double-liquid check valve
REPLENISHING CO2 SUPPLY
8. Connect the carbonated water line to the double-liquid check valve
REPLENISHING SYRUP SUPPLY
5470E
SYRUP TANK SYSTEM
CLEANING CO2 SYSTEM CO2 GAS CHECK VALVES
SYRUP FLAVOR CHANGE
BAG-IN-BOX SYRUP SYSTEM
THE GERMAN ICE BANK CONTROL IS FOR INTERNATIONAL USE ONLY
FIGURE 12. WIRING SCHEMATIC FOR ELECTRONIC ICE BANK CONTROL OPTIONAL
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TWO - PIN CONNECTOR
SOLENOID FRONT TOP VIEW BLACK BLACK SWITCH C N.O N.C RIGHT SIDE VIEW
SWITCH ASS’Y P/N LEVER P/N
WHITE
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TROUBLESHOOTING
TROUBLESHOOTING POST-MIX SYSTEM SYSTEM
NOTE Crushed ice also causes dispensing problems. When dispensed drink hits sharp edges of ice, carbonation is released from drink
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TROUBLESHOOTING REFRIGERATION SYSTEM
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WARRANTY
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One Cornelius Place Anoka, Minnesota
IMI CORNELIUS INC CORPORATE HEADQUARTERS