Trouble

 

Probable Cause

 

Remedy

WATER PUMP CAPACITY

C.

Water filter clogged.

C. Replace water filter cartridge as

TOO LOW.(CONT’D)

 

 

 

instructed.

 

D.

Inoperative water pump.

D.

Call Service Person

 

 

 

TROUBLESHOOTING REFRIGERATION SYSTEM

 

 

 

 

 

 

 

Trouble

 

Probable Cause

 

Remedy

 

 

 

 

 

COMPRESSOR DOES NOT

A.

Ice bank sufficient.

A.

Refrigeration not called for

OPERATE.

 

 

 

 

 

B. Electrical power to cooling unit

B. Turn on electrical power to

 

 

turned off.

 

Cooling Unit.

C.No cooling unit power source. Blown fuse or tripped circuit breaker.

C.Replace fuse or reset circuit breaker.

 

D.

Inoperative compressor.

D. Call Service Person.

COMPRESSOR OPERATES

A.

Cooling capacity is exceeded

A. Reduce amount of drinks drawn

CONTINUOUSLY BUT DOES

 

by overdrawing.

per given time.

NOT FORM SUFFICIENT ICE

 

 

 

BANK.

 

 

 

B.Cooling unit located in excessively hot area or air circulation through condenser coil is restricted

B.Relocate unit or check and if necessary, clean condenser coil as instructed.

312021002

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Cornelius R-134A manual Too Low.Cont’D, Compressor does not, Compressor Operates, Continuously but does

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.