Cornelius R-404A manual Operation, Troubleshooting Product Blender Tanks and Carbonators

Page 23

Trouble

 

Probable Cause

 

Remedy

‘‘CO2 OUT’’ FAULT MESSAGE

A.

CO2 supply turned off or

A.

Open CO2 cylinder shutoff valve

GOES ON DURING

 

exhausted.

 

or replenish CO2 supply as

OPERATION.

 

 

 

instructed.

 

B.

Primary CO2 regulator set too

B.

Call qualified Service Person to

 

 

low.

 

adjust primary CO2 regulator.

 

C.

Inoperable CO2 pressure

C.

Call qualified Service Person.

 

 

switch.

 

 

 

 

 

 

 

‘‘H2O OUT’’ FAULT MESSAGE

A.

Water supply turned off or

A.

Turn on water supply or check

GOES ON DURING

 

water pressure inadequate.

 

water supply line pressure.

OPERATION.

 

 

 

 

 

B.

Plugged water filter.

B. Change water filter cartridge.

 

C.

Inoperative water pressure

C.

Call qualified Service Person.

 

 

switch.

 

 

 

 

 

 

 

‘‘SYRUP 1’’ OR ‘‘SYRUP 2’’

A.

Syrup supply exhausted.

A.

Replenish syrup supply as

FAULT MESSAGE GOES ON

 

 

 

instructed.

DURING OPERATION.

 

 

 

 

 

 

 

 

 

‘‘ERROR 1’’ OR ‘‘ERROR 2’’

A.

Error within Unit has

A.

Press ‘‘ERROR RESET’’ switch to

FAULT MESSAGE GOES ON

 

developed interrupting normal

 

restore normal operation or call

DURING OPERATION.

 

operation.

 

qualified Service Person.

 

 

 

 

 

FREEZE CYLINDER

A.

Inoperable automatic defrost

A.

Call qualified Service Person.

AUTOMATIC DEFROST

 

timer.

 

 

CYCLE DOES NOT

 

 

 

 

OPERATE.

 

 

 

 

 

 

 

 

 

UNIT DOES NOT GO OFF

A.

Automatic defrost timer stuck

A.

Call qualified Service Person.

AUTOMATIC DEFROST

 

in automatic defrost cycle.

 

 

CYCLE.

 

 

 

 

 

 

 

 

 

MANUAL DEFROST CYCLE

A. Master circuit board not

DOES NOT OPERATE WHEN

operating properly.

‘‘DEFROST’’ SWITCH IS

 

PRESSED.

 

A.Call qualified Service Person.

DEFROST CYCLE DOES NOT

A.

Master circuit board not

A.

Call qualified Service Person.

CANCEL AFTER PRESSING

 

operating properly.

 

 

‘‘CANCEL DEFROST ’’

 

 

 

 

SWITCH.

 

 

 

 

 

TROUBLESHOOTING PRODUCT BLENDER TANKS AND CARBONATORS

 

 

 

 

CARBONATOR WATER PUMP

A.

No electrical power to Unit.

A. Connect electrical power to Unit.

MOTOR WILL NOT OPERATE.

 

 

 

Check power source.

 

B.

‘‘BLEND ON/OFF’’ switch has

B.

Press ‘‘BLEND ON/OFF’’ switch.

 

 

not been pressed.

 

 

C.‘‘H2O OUT’’ fault message is on.

C.Restore water supply to Unit.

D.‘‘CO2 OUT’’ fault message is on.

D.Replenish CO2 supply as instructed.

E. Inoperative water pump and/or E. Call qualified Service Person. motor.

312030002

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Contents FCB POST-MIX Dispenser With V4 Features 404A Refrigerant Table of Contents Table of Contents cont’d List of Figures FCB POST-MIX Dispensers with V4 FeaturesThis page Left Blank Intentionally Safety Information This page Left Blank Intentionally Control Panel Keypad Security Control Panel Switches‘‘SYRUP PRIME’’ Switches Operating Controls FOUR-FLAVOR Unit Shown Control Panel Display Messages ‘‘FILL 1’’ and ‘‘FILL 2’’ Fault MessagesUnits Equipped with Electric Defrost Systems Defrost SystemsUnits Equipped with HOT-GAS Defrost Systems Dispensing Valves ‘‘SLEEP’’ Sleep Time‘‘WAKE UP’’ Wake UP Time Faceplate Relief ValvesDrawing Dispensed Product Conditions‘‘OVERRUN’’, AS Applied to Frozen Carbonated Beverages Primary CO2 Regulator Operating CharacteristicsAdjusting CO2 Regulators Operating UnitSyrup Tanks System Adjusting Brix WATER-TO-SYRUP Ratio of Dispensed ProductReplenishing Syrup Supply Secondary CO2 RegulatorsBAG-IN-BOX System Syrup Flavor ChangeReplenishing CO2 Supply Daily Cleaning of Unit Cleaning and Sanitizing312030002 312030002 Unit with Remote Condensing Refrigeration Cleaning Condenser CoilUnit with AIR-COOLED Refrigeration System Troubleshooting Control Panel Switches and Fault Messages TroubleshootingOperation Troubleshooting Product Blender Tanks and CarbonatorsWater Pump Cycling Troubleshooting Dispensed ProductInstructed Warranty Page One Cornelius Place Anoka, Minnesota 612 800

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.
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