Trouble

Probable Cause

Remedy

DISPENSED PRODUCT

F. Dirty water supply.

F. Check water filter. Replace

PRODUCES FOAM AS IT

 

cartridge (see NOTE).

LEAVES DISPENSING

VALVE.(CONT’D)

NOTE: If water supply is dirty, be sure to flush lines and carbonator completely. It may be necessary to remove lines to carbonator tank, invert tank, and flush the tank and all inlet lines to remove any foreign particles or dirt.

NO PRODUCT DISPENSED

A.

Dispensing valves keyed

FROM ALL DISPENSING

 

lock-out switch in “OFF”

VALVES.

 

position.

 

B. Power switch (if applicable) in

 

 

“OFF”position.

 

C.

No electrical power to Unit.

A.Place keyed lock-out switch in “ON”position.

B.Place power switch in “ON” position.

C.Plug in Unit power cord or check for blown power fuse or tripped circuit breaker.

D. Inoperative power switch (if

D. Replace power switch.

applicable).

 

E.Dispensing valves power cord disconnected.

F.Disconnected or broken wiring to dispensing valve.

G.Inoperative transformer or valve solenoids.

E.Connect dispensing valves power cord.

F.Connect or replace wiring.

G.Replace inoperative part.

ONLY CARBONATED WATER A.

Out of syrup.

A. Replenish syrup supply as

DISPENSED.

 

instructed.

B.

Inoperable dispensing valve..

B. Repair dispensing valve.

C. Dispensing valve syrup flow

C. Adjust dispensing valve syrup

 

control not properly adjusted.

flow control as instructed.

D. Dispensing valve syrup flow

D. Sanitize syrup system as

 

control or syrup lines

instructed.

 

restricted.

 

ONLY SYRUP DISPENSED.

A.

Water inlet supply line shutoff

 

 

valve closed.

 

B. Carbonator power cord (under

 

 

hood) unplugged.

 

C. Carbonator CO2 regulator not

 

 

properly adjusted.

 

D.

Inoperative carbonated water

 

 

tank liquid level control

 

 

assembly.

A.Open water inlet supply line shutoff valve.

B.Remove hood and plug in carbonator power cord.

C.Adjust carbonator CO2 regulator as instructed.

D.Replace carbonated water tank liquid level control assembly.

E. Inoperative water pump, water E. Replace inoperative component. pump motor, or water pump

power switch.

312027000

44

Page 49
Image 49
Cornelius R-134A Produces Foam AS IT, Leaves Dispensing VALVE.CONT’D No Product Dispensed, From ALL Dispensing, Valves

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.