Cornelius R-134A manual Table of Contents

Page 2

TABLE OF CONTENTS

 

 

Page

SAFETY INFORMATION

1

RECOGNIZE SAFETY INFORMATION

1

UNDERSTAND SIGNAL WORDS

1

FOLLOW SAFETY INSTRUCTIONS

1

CO2 (CARBON DIOXIDE) WARNING

1

SHIPPING, STORING, OR RELOCATING UNIT

1

GENERAL INFORMATION

3

CLAIMS INSTRUCTIONS

3

WARRANTY REFERENCE INFORMATION

3

DESIGN DATA

3

DESCRIPTION

4

THEORY OF OPERATION

5

PARTS IDENTIFICATION

7

OWNER’S RECOMMENDED MAINTENANCE

9

OPERATORS INSTRUCTIONS

11

OPERATING CONTROLS

11

COOLING UNIT POWER SWITCH

11

COOLING UNIT CIRCULATING PUMP POWER SWITCH

11

COOLING UNIT CARBONATOR MOTOR POWER SWITCH

11

DAILY PRE-OPERATION CHECK

11

GENERAL MAINTENANCE

13

ADJUSTMENTS

13

ADJUSTING CO2 REGULATORS

13

ADJUSTING CARBONATOR WATER TANK LIQUID LEVEL

13

SANITIZING SYRUP SYSTEMS

13

CHECKING ICE WATER BATH

13

CLEANING CONDENSER COIL

14

CARBONATOR WATER PUMP MAINTENANCE (OR AFTER WATER

 

SYSTEM DISRUPTION)

14

REPLENISHING CO2 SUPPLY

14

REPLENISHING SYRUP SUPPLY

15

PERIODIC CLEANING OF COOLING UNIT

15

CLEANING AND SANITIZING

15

DAILY CLEANING OF UNIT

15

SANITIZING POST-MIX SYRUP SYSTEMS

15

TROUBLESHOOTING

19

DISPENSED PRODUCT CARBONATION TOO LOW

19

ONLY SYRUP DISPENSED

19

WARM PRODUCT BEING DISPENSED

19

WATER PUMP WILL NOT OPERATE

19

WATER PUMP MOTOR OPERATES BUT WATER PUMP DOES NOT PUMP

 

WATER

19

WATER PUMP CAPACITY TOO LOW

19

i

 

 

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Contents Sentry III-A POST-MIX Cooling Unit This Document Contains Important InformationTable of Contents Table of Contents cont’d Safety Information Recognize Safety InformationThis page Left Blank Intentionally Claims Instructions Warranty Reference InformationGeneral Information Design DataDROP--IN Refrigeration Assembly Data DescriptionTheory of Operation Sentry III-A Cooling UnitSystem Flow Diagram Carbonator Water Pump Motor Safety Thermostat Parts Identification312021002 OWNER’S Recommended Maintenance Maintenance ScheduleThis page Left Blank Intentionally Daily PRE-OPERATION Check Operators InstructionsOperating Controls This page Left Blank Intentionally Content Water Where a Local Water Problem Exist General MaintenanceAdjustments Sanitizing Syrup SystemsCleaning Condenser Coil Replenishing CO2 SupplyReplenishing Syrup Supply Periodic Cleaning of Cooling UnitCleaning and Sanitizing Wash Syrup SystemsFlush Syrup Systems Sanitize Syrup SystemsPurge Water OUT of Syrup Systems Restore Operation Water Flush Syrup Systems312021002 Troubleshooting Compressor Operates TOO LOW.CONT’DCompressor does not Continuously but doesWarranty Page One Cornelius Place Anoka, Minnesota 612 800
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R-134A specifications

Cornelius R-134A is a refrigerant commonly used in various cooling and air conditioning applications. It belongs to the hydrofluorocarbon (HFC) family and has become a favored alternative to many ozone-depleting substances. Unlike its predecessors, R-12, which has been phased out due to its detrimental effects on the ozone layer, R-134A offers a more environmentally friendly solution, albeit still having global warming potential.

One of the main features of R-134A is its favorable thermodynamic properties. It exhibits a low boiling point of approximately -26.3°C (-15.3°F), making it suitable for various refrigeration applications, including automotive air conditioning, commercial cooling systems, and domestic refrigerators. Its efficiency is regarded as superior, allowing for quick heat absorption and dissipation. This efficiency translates into energy savings, ultimately benefiting both consumers and manufacturers.

R-134A also boasts a relatively high vaporization heat, demonstrating its effectiveness in heat transfer processes. The low toxicity and non-flammability of R-134A further enhance its appeal, as it poses minimal risk during handling and application. This characteristic makes R-134A safer for technicians and users compared to older refrigerants, which presented higher health hazards.

Within modern technologies, R-134A plays a crucial role in both chiller systems and heat pump applications. It is compatible with various lubricants, allowing manufacturers to utilize R-134A in existing systems with minimal modifications. However, it is essential to use the correct type of oil, as mixing different types can lead to system inefficiencies and potential failure.

Despite its advantages, R-134A has a global warming potential of around 1,430 times greater than carbon dioxide, prompting the refrigerant industry to look for alternatives. Newer refrigerants, such as R-1234yf, offer lower environmental impact, driving a shift towards more sustainable options.

In conclusion, Cornelius R-134A remains a widely used refrigerant known for its efficiency, safety, and effectiveness in heat transfer. While it has played a significant role in the refrigeration and air conditioning industries, the ongoing search for eco-friendly alternatives highlights the need for continued innovation and adherence to environmental standards.