Trouble

 

Probable Cause

 

Remedy

CARBONATOR WATER PUMP

A.

Binding, damaged, or dirty

A.

Call qualified Service Person..

WILL NOT SHUT OFF.

 

carbonated water tank balance

 

 

 

 

mechanism.

 

 

 

 

 

 

 

ERRATIC CARBONATOR

A.

Insufficient water supply

A.

Call qualified Service Person.

WATER PUMP CYCLING.

 

pressure. ‘‘H2O OUT’’ fault

 

 

 

 

message goes on and off

 

 

 

 

intermittently and water pump

 

 

 

 

cycles on and off during

 

 

 

 

carbonator tank fill cycle.

 

 

 

B.

Water filter restricted.

B.

Replace water filter cartridge.

 

 

 

 

 

TROUBLESHOOTING DISPENSED PRODUCT

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

A. BRIX out of adjustment.

A. Call qualified Service Person.

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

A. BRIX out of adjustment.

A. Call qualified Service Person.

IMPROPER PRODUCT

A.

Secondary CO2 regulators not

DISPENSED.

 

properly adjusted.

 

B.

Dirty CO2 supply. CO2 must

 

 

be clean and free of water, oil,

 

 

and dirt. Water will not absorb

 

 

dirty CO2 gas in same way as

 

 

clean gas. This can also cause

 

 

off-taste problems.

A.Call qualified Service Person to adjust secondary CO2 regulators.

B.Call qualified Service Person to replace CO2 supply.

PRODUCT WILL NOT

DISPENSE OUT OF DISPENSING VALVE, IN ONLY SMALL AMOUNTS, OR ONLY LIQUID.

A.Dispensing valve has ice particles in it.

A.Open and close dispensing valve repeatedly. Defrost freeze cylinder as instructed. If necessary, call qualified Service Person to adjust BRIX and viscosity of dispensed product.

B. Cylinder freeze-up.

B. Refer to CYLINDER FREEZE-UP.

FREEZE CYLINDER DOES NOT REFILL AT ALL TIMES WHEN DISPENSING.

A. “BLEND ON/OFF’’ switch not A. Press ‘‘BLEND ON/OFF” switch. pressed.

B.Carbonator water pump not operating.

B.Call qualified Service Person.

 

C.

Lines restricted.

C. Sanitize Unit as instructed.

FROZEN PRODUCT

A.

Dispensed product BRIX

A. See Below

CONSISTENCY VARIES

 

varying because:

 

EXCESSIVELY.

 

 

 

 

 

Syrup and/or water flow

a. Call qualified Service Person.

 

 

regulator sticking.

 

 

 

Primary CO2 regulator

b. Call qualified Service Person to

 

 

pressure insufficient.

adjust primary CO2 regulator.

19

312030002

 

Page 24
Image 24
Cornelius R-404A manual Water Pump Cycling, Troubleshooting Dispensed Product

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.