Cornelius JT20, JS7, J15, EJ1, JT30 manual Trouble Shooting

Page 20

Jet Spray (Cold) Training Manual

 

PROBLEM (fault)

 

CAUSE (diagnosis)

 

ACTION (remedy)

 

 

 

 

2.

Compressor will not

A. Improperly wired

A. Check wiring against

 

start — hums but trips

B. Low voltage to unit

 

diagram

 

overload protector

C. Relay not closing

B. Correct problem

 

 

D. Compressor motor

C. Correct problem

 

 

 

winding open or

D. Replace compressor

 

 

 

shorted

 

 

 

 

E. Internal mechanical

E. Replace compressor

 

 

 

trouble in compressor

 

 

 

 

F.

Liquid refrigerant in

F.

Add crankcase heater

 

 

 

compressor

 

and/or accumulator

 

 

 

 

3.

Compressor starts but

A. Improperly wired

A. Check wiring against

 

start winding does not

 

 

 

diagram

 

switch off

B. Low voltage to unit

B. Correct problem

 

 

C. Relay failed to open

C. Correct problem

 

 

D. Excessively high dis-

D. Check discharge shut-

 

 

 

charge pressure

 

off valve, possible

 

 

 

 

 

overcharge, or insuffi-

 

 

 

 

 

cient condenser cooling

 

 

E. Compressor has wind-

E. Replace compressor

 

 

 

ing open or shorted

 

 

 

 

F.

Internal mechanical

F.

Replace compressor

 

 

 

trouble in compressor

 

 

 

 

 

 

4.

Compressor starts but

A. Additional current

A. Check wiring diagram;

 

then short-cycles on

 

passing thru overload

 

check for added fan

 

overload protector

 

protector

 

motors, pumps, etc.

 

 

 

 

connected to wrong

 

 

 

 

 

 

 

 

 

 

side of connector

 

 

B. Overload protector

B. Check current, replace

 

 

 

defective

 

protector

 

 

C. Excessive discharge

C. Check ventilation,

 

 

 

pressure

 

restrictions in cooling

 

 

 

 

 

medium or refrigera-

 

 

 

 

 

tion system

 

 

D. Suction pressure too

D. Check for possible mis-

 

 

 

high

 

application, use stron-

 

 

 

 

 

ger unit

 

 

E. Compressor too hot,

E. Check refrigerant

 

 

 

return gas hot

 

charge and add if nec-

 

 

F.

Compressor has wind-

 

essary (fix leak first)

 

 

 

ing open or shorted

F.

Replace compressor

 

 

 

 

 

 

- 16 -

© 2000, IMI Cornelius Inc.

TROUBLE SHOOTING

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Contents JET Spray Cold Training Manual Jet Spray Cold Training Manual FAXTable of Contents Table of Contents Introduction Preview QuestionsKEY Things to Know / do Product Description OverviewDimensions & Capacities JS7 DispensersAccessories Pump Assembly / Spray Drive Assembly Whipper AssemblySystem Details Water QualitySystem Details Whipper ConversionSpray Verses Circulate Condenser Cleaning Filter ReplacementCooling Thermostat CompressorEvaporators Air Flow Refrigeration ChargingControls and Electrical SwitchesSpray Drive Motor Assembly Troubleshooting Pump assemblySpray Drive Motor No SprayNoise in Pump Assembly Pinch Tube InstallationImpella Spacing Breaking Magnetic LockNot Cooling ThermostatBowl Leak Refrigeration Troubleshooting Condenser Fan MotorCondenser Fan Blade System LeakTrouble Shooting Trouble Shooting Trouble Shooting Attachments Attachments Review Review Review Part No. TP00936 March 9

JT30, EJ1, J15, JS7, JT20 specifications

Cornelius has long been a leader in the beverage dispensing industry, with a range of innovative products including the JT20, JS7, J15, EJ1, and JT30 models. Each of these dispensers showcases unique features, advanced technologies, and characteristics that cater to diverse commercial needs.

The Cornelius JT20 is known for its versatility and efficiency. Designed for high-volume applications, this unit offers a 20-flavor capability, making it an excellent choice for restaurants and convenience stores. With advanced cooling technology, the JT20 ensures optimal beverage temperature while minimizing energy consumption. Its user-friendly interface allows for easy calibration and operation, which is crucial during busy service hours.

Next is the JS7, which appeals to those who prioritize simplicity and reliability. This model boasts a compact design, ideal for limited spaces while delivering a robust performance. The JS7 comes equipped with high-quality carbonators that enhance drink taste and consistency. Its straightforward maintenance features ensure that operators can keep it running smoothly without excessive downtime.

The J15 model stands out for its innovative integration of digital technology. Equipped with a smart dispensing system, the J15 allows users to customize drinks according to customer preferences with precise measurements. This model's intuitive touchscreen interface enhances user experience while providing essential analytics for operators to optimize beverage offerings.

In contrast, the EJ1 emphasizes eco-friendliness. This model is crafted with sustainable materials and incorporates advanced energy-saving features, making it suitable for environmentally conscious businesses. The EJ1 also supports a variety of drink options, including non-carbonated beverages, further adding to its versatility.

Lastly, the JT30 takes performance to a new level with its impressive output and flexibility to serve a wide range of beverages. It features a specialized cooling system designed for rapid beverage service without sacrificing quality, making it ideal for high-traffic locations. The JT30’s modular design allows for easy customization, ensuring it can be tailored to meet specific business needs.

In summary, the Cornelius JT20, JS7, J15, EJ1, and JT30 each bring unique advantages to the table, combining modern technology, efficiency, and adaptability to the beverage dispensing market. With a commitment to innovation, Cornelius continues to set the standard in the industry, ensuring that operators can deliver exceptional beverage experiences to their customers.