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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
Page
TABLE OF CONTENTS cont’d
SERVICE AND MAINTENANCE
TROUBLESHOOTING
TROUBLESHOOTING REFRIGERATION SYSTEM
TABLE OF CONTENTS cont’d
Follow Safety Instructions
SAFETY INFORMATION
Recognize Safety Information
Understand Signal Words
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GENERAL DESCRIPTION
GENERAL INFORMATION
UNIT DESCRIPTION
WARRANTY REFERENCE INFORMATION
THEORY OF OPERATION
CARB WATER
SYRUP SYRUP SYRUP SYRUP SYRUP CARBONATED WATER TANK CO2 INLET
CARBONATOR PLAIN WATER INLET DOUBLE LIQUID CHECK VALVE WATER PUMP
CO2 CHECK VALVE
CARB WATER
SYRUP SYRUP SYRUP SYRUP SYRUP SYRUP PLAIN WATER NO. 3 VALVE
CAP NUT
CO2 CHECK
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UNPACKING AND INSPECTION
INSTALLATION
IDENTIFICATION OF LOOSE-SHIPPED PARTS
SELECTING LOCATION
INSTALLING WATER ONLY LEVER KIT P/N 3297 ON UF-1 DISPENSING VALVE
INSTALLING UNIT
CONNECTING PLAIN WATER SOURCE LINES TO UNIT
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FIGURE 4. SYRUP INLET SUPPLY LINE CONNECTIONS SIX-FLAVOR UNIT SHOWN
DISPENSING VALVE RELEASE LATCH DISPENSING VALVE BLOCK SYRUP INLET
TUBES
CONNECTING SYRUP SOURCE LINES TO UNIT
FILL WATER TANK AND START REFRIGERATION SYSTEM
CONNECTING CO2 SOURCE LINE TO UNIT
PREPARING UNIT FOR OPERATION
SEALING UNIT BASE TO COUNTERTOP
UNIT OPERATION
ADJUST WATER-TO-SYRUP “RATIO” BRIX OF DISPENSED PRODUCT
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OPERATOR’S INSTRUCTIONS
DISPENSING VALVES KEYED LOCK-OUT SWITCH
UNIT POWER SWITCH 115 VAC, 60 HZ UNITS ONLY
CARBONATOR WATER PUMP MOTOR POWER SWITCH
ADJUSTING DISPENSING VALVE WATER FLOW RATE
ADJUSTMENTS
CLEANING AND SANITIZING
ADJUSTING CO2 REGULATORS
CHECKING ICE WATER BATH
CLEANING CO2 GAS CHECK VALVES
SANITIZING SYRUP SYSTEMS
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HOOD AND FRONT PANEL REMOVAL
SERVICE AND MAINTENANCE
FRONT ACCESS PANEL REMOVAL
PREPARING UNIT FOR SHIPPING, STORING, OR RELOCATING
AGITATOR MOTOR
POWER CORD
KEYED-LOCK SWITCH
MAIN POWER SWITCH 115VAC UNIT ONLY
FIGURE 6. SF-1 DISPENSING VALVE
ADJUSTING DISPENSING VALVES WATER FLOW RATE
FIGURE 7. UF-1 DISPENSING VALVE
ADJUSTING WATER-TO-SYRUP “RATIO” BRIX OF DISPENSED PRODUCT
CHECKING ICE WATER BATH
CLEANING DROP-IN REFRIGERATION ASSEMBLY CONDENSER COIL
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
8. Connect the carbonated water line to the double-liquid check valve
REPLENISHING CO2 SUPPLY
5470E
REPLENISHING SYRUP SUPPLY
BAG-IN-BOX SYRUP SYSTEM
CLEANING CO2 SYSTEM CO2 GAS CHECK VALVES
SYRUP FLAVOR CHANGE
SYRUP TANK 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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SOLENOID FRONT TOP VIEW BLACK BLACK SWITCH C N.O N.C RIGHT SIDE VIEW
SWITCH ASS’Y P/N LEVER P/N
TWO - PIN CONNECTOR
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TROUBLESHOOTING POST-MIX SYSTEM SYSTEM
TROUBLESHOOTING
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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IMI CORNELIUS INC CORPORATE HEADQUARTERS
One Cornelius Place Anoka, Minnesota