Trouble

Probable Cause

Remedy

ADJUSTMENT OF DISPENSING VALVE SYRUP FLOW CONTROL DOES NOT DECREASE TO DESIRED WATER-TO-SYRUP “RATIO”.

A.Dirty or inoperative dispensing valve syrup flow control.

A.Disassemble and clean dispensing valve syrup flow control.

DISPENSED PRODUCT

A. Carbonator CO2 regulator out

CARBONATION TOO LOW.

of adjustment for existing

 

water conditions or

 

temperature.

A.Adjust carbonator CO2 regulator as instructed.

B. Air in carbonated water tank.

B. Vent air from carbonated water

 

tank by dispensing from No. 1

 

dispensing valve to make

 

carbonator pump motor cycle on.

C.Water, oil, or dirt in CO2 supply.

C.Remove contaminated CO2. Clean CO2 system (lines, regulators, etc.) using mild

detergent. Install clean CO2 supply.

DISPENSED PRODUCT

A. Oil film or soap scum in cups A. Use clean cups or glasses.

COMES OUT OF

or glasses.

DISPENSING VALVE CLEAR

 

BUT FOAMS IN CUP OR

 

GLASS.

 

B.Ice used for finished drink is subcooled.

B.Do not use ice directly from freezer. Allow ice to become “wet” before using. (Refer to following NOTE.)

NOTE: Crushed ice also causes dispensing problems. When dispensed drink hits sharp edges of ice, carbonation is released from drink.

DISPENSED PRODUCT PRODUCES FOAM AS IT LEAVES DISPENSING VALVE.

A. Recovery rate of refrigeration

A. Allow ice bank to recover.

unit exceeded, ice bank

 

depleted.

 

CAUTION: The drop-in refrigeration assembly condenser coil must be cleaned every 30-days. Excessive accumulation of dust, lint, and grease on the coil will restrict cooling air flow through the coil and cause the refrigeration system to overheat.

B.

Condenser coil plugged.

B. Clean condenser coil as

 

 

instructed.

C.

Carbonator CO2 regulator

C. Adjust carbonator CO2 regulator

 

pressure adjusted too high for

as instructed.

 

existing water conditions or

 

 

temperature.

 

D.Dispensing valve restricted or dirty.

E.Tapered gasket inside carbonated water line swivel nut connector distorted restricting carbonated water flow.

D.Sanitize syrup system as instructed.

E.Replace tapered gasket. Make sure gasket is properly seated.

43

312027000

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Image 48
Cornelius R-134A Dispensed Product, Carbonation TOO LOW, Comes OUT, Dispensing Valve Clear But Foams in CUP or Glass
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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.
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