Cornelius R-404A Adjusting Brix WATER-TO-SYRUP Ratio of Dispensed Product, Syrup Tanks System

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SECONDARY CO2 REGULATORS

The secondary CO2 regulators, located inside the Unit, control CO2 pressure to the Unit carbonator(s) and the product blender tanks. If adjustment of these CO2 regulators should become necessary, call a qualified Service Person to make the adjustments.

ADJUSTING BRIX (WATER-TO-SYRUP “RATIO”) OF DISPENSED PRODUCT

BRIX is the Water-to-Syrup “Ratio” of the dispensed product and should be periodically checked and if neces- sary, be adjusted by a qualified Service Person.

REPLENISHING SYRUP SUPPLY

SYRUP TANKS SYSTEM

NOTE: Sugar-free diet syrup cannot be used with this Unit.

Although syrup replenishing can be done anytime, the syrup supply must be replenished when either the ‘‘SYRUP 1’’ or ‘‘SYRUP 2’’ fault messages are displayed on the message display indicating either No. 1 or No. 2 syrup system syrup tank is empty.

NOTE: The following instructions are applicable only when replenishing the syrup supply. Refer to SYRUP FLAVOR CHANGE when changing syrup flavors.

1.Press applicable ‘‘OFF’’ switch on the control panel to stop the applicable freeze cylinder beater and refrig- eration system.

IMPORTANT: The following CO2 and liquid disconnect and connecting procedure for the syrup tank replacement or filling the syrup tank in place must be performed in the order as follows:

To disconnect syrup tank from the Unit syrup system.

First, disconnect liquid disconnect from the syrup tank. NOTE - Disconnecting the liquid quick dis- connect from the syrup tank first prevents syrup from backflowing through the Unit syrup flow regulator which may alter the regulator adjustment.

Second, disconnect CO2 quick disconnect from the syrup tank.

To connect syrup tank into the Unit syrup system.

First, connect CO2 quick disconnect to the syrup tank to pressurize the tank.

Second, connect liquid quick disconnect to the syrup tank.

2.Disconnect inlet (CO2) and outlet (syrup) lines from the empty syrup tank.

3.Check syrup tank quick disconnects for sticky or restricted operation. Rinse the disconnects in warm water.

4.First, pressurize the full syrup tank by connecting CO2 line to the tank, then connect the Unit syrup inlet line to the tank.

5.Press applicable ‘‘SYRUP PRIME’’ switch to fill applicable No. 1 or No. 2 syrup system syrup float switch with syrup.

6.Press applicable “BLEND ON/OFF’’ switch to fill applicable No. 1 or No. 2 system product blender tank with product.

7.Press applicable ‘‘ON’’ switch to start the refrigeration system and beater in applicable No. 1 or No. 2 freeze cylinder.

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Contents FCB POST-MIX Dispenser With V4 Features 404A Refrigerant Table of Contents Table of Contents cont’d FCB POST-MIX Dispensers with V4 Features List of FiguresThis page Left Blank Intentionally Safety Information This page Left Blank Intentionally Control Panel Switches Control Panel Keypad Security‘‘SYRUP PRIME’’ Switches Operating Controls FOUR-FLAVOR Unit Shown ‘‘FILL 1’’ and ‘‘FILL 2’’ Fault Messages Control Panel Display MessagesUnits Equipped with HOT-GAS Defrost Systems Defrost SystemsUnits Equipped with Electric Defrost Systems ‘‘SLEEP’’ Sleep Time ‘‘WAKE UP’’ Wake UP TimeFaceplate Relief Valves Dispensing Valves‘‘OVERRUN’’, AS Applied to Frozen Carbonated Beverages Dispensed Product ConditionsDrawing Operating Characteristics Adjusting CO2 RegulatorsOperating Unit Primary CO2 RegulatorAdjusting Brix WATER-TO-SYRUP Ratio of Dispensed Product Replenishing Syrup SupplySecondary CO2 Regulators Syrup Tanks SystemReplenishing CO2 Supply Syrup Flavor ChangeBAG-IN-BOX System Cleaning and Sanitizing Daily Cleaning of Unit312030002 312030002 Unit with AIR-COOLED Refrigeration System Cleaning Condenser CoilUnit with Remote Condensing Refrigeration Troubleshooting Troubleshooting Control Panel Switches and Fault MessagesTroubleshooting Product Blender Tanks and Carbonators OperationTroubleshooting Dispensed Product Water Pump CyclingInstructed 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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