Atosa MSF8302

Atosa MSF8302 48" Prep Table Refrigerator Instruction Manual

Model: MSF8302

1. Product Overview

The Atosa MSF8302 is a 48-inch refrigerated prep table designed for commercial food preparation, offering efficient cooling and convenient workspace. This unit features a durable stainless steel exterior and interior, a rear-mounted compressor, and a Dixell digital temperature controller to maintain food safety.

Atosa MSF8302 48-inch Prep Table Refrigerator with door open, showing interior shelves and cutting board.

Figure 1: Atosa MSF8302 Prep Table Refrigerator

Key features include pre-installed 4-inch deep stainless steel pans, a 10-inch cutting board, recessed door handles, self-closing doors with a stay-open feature, and magnetic door gaskets for a positive door seal. The unit also comes with pre-installed casters for easy mobility.

2. Safety Information

Please read all safety instructions carefully before operating the appliance to prevent injury or damage. Keep this manual for future reference.

  • Ensure the unit is properly grounded to prevent electrical shock.
  • Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance.
  • Keep ventilation openings in the appliance enclosure or in the built-in structure clear of obstruction.
  • Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer.
  • Do not damage the refrigerant circuit.
  • Only qualified service personnel should perform repairs.
  • Disconnect power before cleaning or servicing the unit.

3. Unpacking and Installation (Setup)

3.1 Unpacking

  1. Remove all packaging materials, including tape and protective film.
  2. Inspect the unit for any shipping damage. Report any damage immediately to the carrier and supplier.
  3. Ensure all accessories, such as shelves and food pans, are present.

3.2 Placement

  • Place the unit on a strong, level surface capable of supporting its weight when fully loaded.
  • Allow adequate clearance around the unit for proper ventilation. Do not forget to leave the unit some room to breathe!
  • Avoid direct sunlight or proximity to heat-generating equipment (e.g., ovens, fryers) to ensure optimal performance and energy efficiency.
  • The unit comes with pre-installed casters for easy positioning. Lock the casters once the unit is in its final location.

3.3 Electrical Connection

  • Ensure the power supply matches the voltage and amperage requirements specified on the unit's data plate (115V/60Hz/1 Phase).
  • Connect the unit to a dedicated, grounded electrical outlet. Do not use extension cords or adapter plugs.

3.4 Initial Startup

  1. After placement and electrical connection, wait at least 2 hours before plugging in the unit to allow refrigerants to settle.
  2. Plug in the unit. The compressor will start, and the digital controller will display the internal temperature.
  3. Allow the unit to run for several hours (e.g., 4-6 hours) to reach its operating temperature (33°F-40°F) before loading with food products.

4. Operation

4.1 Temperature Control

The Atosa MSF8302 is equipped with a Dixell digital controller for precise temperature management. The factory preset temperature range is 33°F to 40°F (0.5°C to 4.4°C), which is ideal for food preservation.

  • To view the current temperature, the display will show the actual internal temperature.
  • Consult the Dixell controller manual (if provided separately) for detailed instructions on adjusting temperature set points or other advanced settings.

4.2 Loading Food Products

Interior view of Atosa MSF8302 Prep Table Refrigerator, showing stainless steel shelves and food pans.

Figure 2: Interior of the Prep Table with Shelves and Pans

  • Place food products into the pre-installed 4-inch deep stainless steel pans in the top section.
  • Utilize the adjustable shelves in the refrigerated cabinet for additional storage. Ensure proper air circulation by not overfilling the cabinet or blocking the air vents.
  • The 10-inch cutting board provides a convenient surface for food preparation. Keep it clean and sanitized.

4.3 Door Features

  • The doors are designed to be self-closing to minimize temperature fluctuations.
  • A "stay-open" feature allows the doors to remain open past a certain angle for easier loading and unloading.
  • Magnetic door gaskets ensure a tight seal, preventing cold air loss.

5. Maintenance

Regular maintenance ensures the longevity and efficient operation of your prep table refrigerator.

5.1 Cleaning the Interior

  • Disconnect power before cleaning.
  • Remove all food products, shelves, and pans.
  • Wash interior surfaces with a mild detergent and warm water. Rinse thoroughly and dry with a soft cloth.
  • Do not use abrasive cleaners, steel wool, or harsh chemicals, as these can damage the stainless steel.

5.2 Cleaning the Exterior

  • Wipe down exterior stainless steel surfaces with a soft cloth and a stainless steel cleaner or mild detergent.
  • Clean the cutting board regularly with appropriate sanitizing solutions.

5.3 Condenser Coil Cleaning

Please clean the condenser frequently to give the unit more fresh air. A dirty condenser coil reduces cooling efficiency and increases energy consumption. It can also lead to compressor failure.

Rear view of a commercial refrigerator, showing the condenser coil area for cleaning.

Figure 3: Accessing the Condenser Coil (Illustrative)

  • Disconnect power to the unit.
  • Locate the condenser coil, typically at the rear of the unit (rear mount compressor).
  • Use a stiff brush or vacuum cleaner with a brush attachment to remove dust and debris from the coil fins.
  • Clean the condenser at least monthly, or more frequently in dusty environments.

5.4 Gasket Maintenance

  • Inspect door gaskets regularly for cracks, tears, or stiffness.
  • Clean gaskets with warm water and mild soap. Ensure they are flexible and provide a tight seal.
  • Replace damaged gaskets promptly to maintain cooling efficiency.

5.5 Defrost System

The Atosa MSF8302 features an automatic defrost system, eliminating the need for manual defrosting. The unit will periodically enter a defrost cycle to remove ice buildup from the evaporator coil.

6. Troubleshooting

Before contacting service, please check the following common issues and solutions:

Problem Possible Cause Solution
Unit not cooling
  • Power cord unplugged
  • Circuit breaker tripped
  • Temperature control set too high
  • Dirty condenser coil
  • Door left open or gasket damaged
  • Plug in power cord
  • Reset circuit breaker
  • Adjust temperature setting
  • Clean condenser coil (see Section 5.3)
  • Close door, inspect and replace gasket if necessary
Excessive running time
  • Dirty condenser coil
  • Ambient temperature too high
  • Frequent door openings
  • Overloaded with warm products
  • Clean condenser coil
  • Relocate unit to a cooler area
  • Minimize door openings
  • Allow products to cool before loading
Water on floor (leaking)
  • Drain pan overflowing
  • Drain line clogged
  • Check and empty drain pan
  • Clear any obstructions from the drain line

If the problem persists after checking these points, please contact Atosa customer support or a qualified service technician.

7. Specifications

The following table outlines the technical specifications for the Atosa MSF8302 model:

Feature Specification
Model MSF8302
Number of Doors 1
Shelves 2
Cubic Feet (Cu. Ft.) 13.38
Exterior Dimensions (W x D x H) 48 1/4" x 30" x 44 1/4"
Castors 4 inch (Pre-installed)
Weight (LBS) 276
Voltage 115/60/1
Horsepower (HP) 1/6
Amps 2.3
Refrigerant R290
Installation Type Tabletop
Form Factor Compact
Defrost System Automatic
Adjustable Temperature Control Yes
Temperature Range 33°F - 40°F

8. Warranty and Support

8.1 Warranty Information

The Atosa MSF8302 Prep Table Refrigerator comes with the following warranty:

  • 2 Year PARTS + LABOR WARRANTY (US ONLY)
  • 5 Year COMPRESSOR PART WARRANTY (US ONLY)

Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use and service.

8.2 Customer Support

For technical assistance, warranty claims, or to order replacement parts, please contact Atosa customer support:

When contacting support, please have your model number (MSF8302) and serial number ready.

© 2023 Atosa USA, Inc. All rights reserved.

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