TABLE OF CONTENTS (cont’d)

 

 

Page

BAG–IN–BOX SYSTEM

12

SYRUP FLAVOR CHANGE

12

REPLENISHING CO2 SUPPLY

12

CLEANING AND SANITIZING

13

DAILY CLEANING OF UNIT

13

SANITIZING SYRUP SYSTEMS

13

CLEANING CONDENSER COIL

16

UNIT WITH AIR-COOLED REFRIGERATION SYSTEM

16

UNIT WITH REMOTE CONDENSING REFRIGERATION

16

TROUBLESHOOTING

17

TROUBLESHOOTING CONTROL PANEL SWITCHES AND FAULT

 

MESSAGES

17

ONE OR MORE CONTROL PANEL SWITCHES NOT OPERATING

17

ALL CONTROL PANEL SWITCHES NOT OPERATING

17

PARTIAL MESSAGE OR DULL (POORLY ILLUMINATED) DISPLAY

17

ONE OR MORE FAULT MESSAGES NOT OPERATING

17

ALL FAULT MESSAGES NOT OPERATING

17

‘‘CO2 OUT’’ FAULT MESSAGE GOES ON DURING OPERATION

18

‘‘H2O OUT’’ FAULT MESSAGE GOES ON DURING OPERATION

18

‘‘SYRUP 1’’ OR ‘‘SYRUP 2’’ FAULT MESSAGE GOES ON DURING

 

OPERATION

18

‘‘ERROR 1’’ OR ‘‘ERROR 2’’ FAULT MESSAGE GOES ON DURING

 

OPERATION

18

FREEZE CYLINDER AUTOMATIC DEFROST CYCLE DOES NOT

 

OPERATE

18

UNIT DOES NOT GO OFF AUTOMATIC DEFROST CYCLE

18

MANUAL DEFROST CYCLE DOES NOT OPERATE WHEN ‘‘DEFROST’’

 

SWITCH IS PRESSED

18

DEFROST CYCLE DOES NOT CANCEL AFTER PRESSING ‘‘CANCEL

 

DEFROST ’’ SWITCH

18

TROUBLESHOOTING PRODUCT BLENDER TANKS AND CARBONATORS .

18

CARBONATOR WATER PUMP MOTOR WILL NOT OPERATE

18

CARBONATOR WATER PUMP WILL NOT SHUT OFF

19

ERRATIC CARBONATOR WATER PUMP CYCLING

19

TROUBLESHOOTING DISPENSED PRODUCT

19

BRIX (WATER-TO-SYRUP) ‘‘RATIO’’ OF DISPENSED PRODUCT TOO

 

LOW

19

BRIX (WATER-TO-SYRUP) ‘‘RATIO’’ OF DISPENSED PRODUCT TOO

 

HIGH

19

IMPROPER PRODUCT DISPENSED

19

PRODUCT WILL NOT DISPENSE OUT OF DISPENSING VALVE, IN ONLY SMALL AMOUNTS, OR ONLY LIQUID. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

FREEZE CYLINDER DOES NOT REFILL AT ALL TIMES WHEN

DISPENSING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 FROZEN PRODUCT CONSISTENCY VARIES EXCESSIVELY. . . . . . . . . . 19

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Cornelius R-404A manual Table of Contents cont’d

R-404A specifications

Cornelius R-404A is a synthetic refrigerant blend widely used in various refrigeration and air conditioning applications. Composed primarily of three components—R-125 (44%), R-143a (52%), and R-134a (4%)—this blend is designed to provide effective cooling performance in both commercial and industrial environments. Its popularity can be attributed to its efficient thermodynamic properties, making it a suitable choice for low and medium temperature refrigeration systems.

One of the hallmark features of R-404A is its high energy efficiency. As a refrigerant, it offers excellent performance in heat transfer capabilities, which translates to lower energy consumption and operational costs. R-404A operates effectively within a wide range of evaporating temperatures, allowing it to serve various applications, from refrigerated display cases to cold storage facilities. The refrigerant's low glide temperature helps maintain consistent temperatures in these applications, enhancing food safety and product quality.

R-404A does not belong to the ozone-depleting substances category, making it an environmentally friendly choice. However, it is important to note that R-404A does have a significant global warming potential (GWP) of 3,922, raising concerns regarding its long-term environmental impact. As awareness of climate change increases, industries are shifting towards alternative refrigerants with lower GWPs, but R-404A remains prevalent in many existing systems.

In terms of compatibility, R-404A is non-toxic and non-flammable, making it a safe choice for use in commercial environments. Additionally, it is compatible with oils traditionally used in refrigeration systems, simplifying retrofitting processes when upgrading from other refrigerants. R-404A is also designed to work with standard refrigeration components, ensuring compatibility with existing equipment.

To maximize efficiency and performance when using R-404A, proper system design and maintenance are critical. Regular checks for leaks, appropriate charge levels, and routine maintenance can help extend the life of the system while ensuring optimal performance of R-404A as a refrigerant. As industries continue to adapt to evolving regulations and environmental concerns, the future of R-404A will likely involve the transition to lower-GWP refrigerants, but its robust features and performance continue to make it a staple in the refrigeration landscape.