Cornelius 2400 (R404A), 750 (R404A) service manual Unit Goes OFF or Trips Circuit BREAKER. CONT’D

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Trouble

Probable Cause

Remedy

UNIT GOES OFF OR TRIPS CIRCUIT BREAKER. (CONT’D)

L.

Plugged expansion valve, or

L.

Check back pressure, replace

 

capillary tube causing low back

 

valve or capillary tube. Evacuate

 

pressure.

 

and re–charge system, replace

 

 

 

drier–strainer.

M.

Slight leak, causing low back

M.

Check back pressure, find gas

 

pressure.

 

leak, repair leak, evacuate

 

 

 

system, add drier and recharge.

N.

Loose hold–down assy.

N. Check and tighten or replace.

O.

Auger worn excessively on the

O.

Replace auger.

 

inside surfaces causing thicker

 

 

 

flaked ice to be made.

 

 

P.

Auger out of line causing

P.

Replace auger and evaporator

 

excessive wear on the lower

 

shell.

 

outside surface where it rubs

 

 

 

against evaporator shell liner

 

 

 

at the bottom.

 

 

Q.

Broken auger

Q.

Replace auger.

R.

Evaporator surfaces worn or

R.

Inspect and replace evaporator if

 

gouged, causing thicker ice to

 

necessary.

 

be made.

 

 

S.

Auger guide bushing worn

S.

Replace auger guide bushing

 

down.

 

(corkscrew type augers only).

T.

Loose gearmotor mounting

T.

Check and tighten.

 

place.

 

 

U.

Low water level in float tank

U.

Adjust float arm to maintain

 

reservoir.

 

correct water level.

V.

Worn thrust washer.

V.

Replace.

W.

Gearmotor Delay Thermostat

W.

Check operation and / or replace.

 

does not keep gearmotor

 

 

 

running after Bin Thermostat

 

 

 

shuts down.

 

 

166240009

26

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Contents Modular Flaked ICE Maker Table of Contents Table of Contents cont’d Introduction ICE Production Capacity approximate Specifications 750 and 1100 Series750 1100 Back and Side Opposite Condenser Overall Dimensions Specifications 2400 SeriesInstallation Instructions Remote Condenser Water Level Stacking Instructions for Stacking KIT Typical Water Circuit Typical Water CircuitTypical Refrigerant Circuit Typical Refrigerant CircuitComponent Description Electrical CircuitCompressor Start Relay Volts 60 Hz AF/WF-750-MH-RVolts 50 Hz AF750PMH-50-R208/230 Volts 60 Hz AF/WF-1100-MHRF-1100-MH Wiring Diagram RF-1100-MHAF/WF-1100-MH-3 Phase 208/230 Volts 60 HzAF/WF-1100-MH-50 Wiring Diagram AF/WF-1100-MH-50AF/WF-2400 Pmhr Dual Compressors Maintenance Sanitizing and Cleaning Procedure Winter Storage Cleaning the Condenser AIR CooledWater Treatment Unit will not RUN TroubleshootingUnit Runs but Makes no a Unit OFF or Trips Circuit a Unit Goes OFF or Trips Circuit BREAKER. CONT’D ILL Description Parts List for 750 and 1100 SeriesIllustrated Parts Breakdown Series 750 Bracket, fan motor mounting Item no Description Parts List 2400 SeriesIllustrated Parts Breakdown Series Parts Warranty Period This page Left Blank Intentionally IMI Cornelius INC

2400 (R404A), SERIES 1100 (R22), 750 (R404A) specifications

Cornelius 750, 1100, and 2400 are part of a line of refrigeration systems designed to meet the diverse needs of various industries, including food service and beverage dispensing. Each model utilizes specific refrigerants—R404A for the 750 and 2400, and R22 for the 1100—highlighting their engineering innovations and operational efficiencies.

The Cornelius 750 (R404A) is engineered for optimal performance in demanding environments. It is noted for its compact design, making it ideal for applications where space is limited. With advanced thermal management technologies, it guarantees rapid cooling and maintains temperature integrity, which is crucial for preserving the quality of stored goods. The energy-efficient compressor employed in this model not only reduces operational costs but also minimizes its environmental footprint, adhering to modern sustainability standards.

Similarly, the Cornelius 1100 (R22) is a robust refrigeration unit best suited for larger scale operations. It features heavy-duty construction and advanced coil technology, which enhances its heat exchange efficiency. The R22 refrigerant used in this series is well known for its effectiveness in high-temperature environments, making it a preferred choice for various cooling applications. Despite the phase-out of R22, systems utilizing it remain widely in service, offering reliability and performance that many operators depend on.

The Cornelius 2400 (R404A) is designed for high-capacity applications, tailored to meet the demands of busy food service environments. One of its standout features is its ability to maintain consistent temperatures even under heavy load conditions. This model incorporates enhanced insulation and improved airflow mechanisms that contribute to reduced energy consumption. The use of R404A refrigerant allows for robust cooling performance while also being more environmentally conscious than older refrigerants.

All three models emphasize advanced features such as electronic controls, customizable settings, and diagnostic capabilities, allowing for easy monitoring and maintenance. These technological enhancements not only improve operational efficiency but also extend unit longevity, saving users time and money in the long run.

In summary, the Cornelius 750, 1100, and 2400 refrigeration series showcases a combination of reliability, efficiency, and performance attributes. Their unique refrigerants, advanced cooling technologies, and innovative design make them ideal choices for varied refrigeration needs in the commercial sector.