Atosa Solid Top Chest Freezer Instruction Manual

Models: MWF9007, MWF9010GR, MWF9013GR, MWF9016GR

A silver Atosa solid top chest freezer with its lid open, revealing the interior storage space. The brand logo is visible on the front of the freezer.

Please read this user's manual thoroughly before using. Keep this manual handy for further reference.

Email: warranty@atosausa.com

Toll Free: 1-800-683-8660 (USA) | 855-885-6518 (Canada)

Revision 2019

Warranty Information

One YEAR WARRANTY

All claims for parts or labor must be made directly through Atosa. Claims must include: model number, serial number, proof of purchase, date of installation, and all pertinent information supporting the alleged defect. For compressor replacement under warranty, the compressor or compressor tag must be returned to Atosa with the required information. Failure to comply with warranty policies will result in voiding claims.

One Year Parts & Labor Warranty

Atosa warrants all new refrigerated components, including the cabinet and all parts, to be free from defects in materials or workmanship. Atosa's obligation under this warranty is limited to one (1) year from the date of original installation or 15 months after shipment date from Atosa, whichever occurs first. Defective parts covered under this warranty are limited to repair or replacement, including standard straight time labor charges and reasonable travel time as determined by Atosa.

Additional Four Year Compressor Warranty

In addition to the one-year warranty, Atosa warrants its sealed compressor to be free from defects in material and workmanship under normal use for four (4) additional years from the date of original installation, not to exceed five (5) years total. Defective compressors within this extended period will be repaired or replaced with a similar design and capacity compressor at Atosa's discretion. This extended warranty applies only to sealed compressor parts, not other components like the cabinet, paint, temperature control, refrigerant, or electrical parts.

Compressor Warranty Adherence

The five-year compressor warranty is void if the following procedures are not followed:

  1. The system contains refrigerant and lubricant, which has rapid moisture absorbing qualities.
  2. Drier replacement is crucial and must be done when the system is opened for servicing.
  3. Micron level vacuums must be achieved to ensure low moisture levels.
  4. Compressor replacement must be obtained through Atosa unless otherwise specified in writing by Atosa's warranty department.

What is Not Covered by This Warranty

Atosa's obligation is limited to repair or replacement of parts, subject to additional limitations. This warranty does not authorize anyone to assume obligations beyond those expressly covered.

NO CONSEQUENTIAL DAMAGES: ATOSA IS NOT RESPONSIBLE FOR ECONOMIC LOSS, PROFIT LOSS, OR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, INCLUDING LOSSES OR DAMAGES ARISING FROM FOOD OR PRODUCT SPOILAGE, REGARDLESS OF REFRIGERATION FAILURE.

WARRANTY IS NOT TRANSFERABLE: This warranty is not assignable and applies only to the original purchaser/user. Any assignment or transfer shall void all warranties herein, express or implied, including warranties of MERCHANTABILITY or LABOR COVERAGE.

ALTERATION, NEGLECT, ABUSE, MISUSE, ACCIDENT, DAMAGE DURING TRANSIT OR INSTALLATION, FIRE, FOOD, OR ACTS OF GOD: Atosa is not responsible for the repair or replacement of any parts subjected to these conditions after the date of manufacture.

IMPROPER ELECTRICAL CONNECTIONS: Atosa IS NOT RESPONSIBLE FOR THE REPAIR OR REPLACEMENT OF FAILED OR DAMAGED COMPONENTS RESULTING FROM ELECTRICAL POWER FAILURE, THE USE OF EXTENSION CORDS, LOW VOLTAGE, OR VOLTAGE DROPS TO THE UNIT.

The one (1) year parts & labor warranty and the additional four (4) year compressor warranty are exclusive and in lieu of all other warranties, including implied warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. There are no warranties extending beyond the description on the face hereof.

Outside U.S. and Canada: This warranty does not apply to areas outside the continent of the United States. Atosa is not responsible for any warranty claims made on products sold or used in such areas.

*In some cases, a 25% restocking fee may be charged to a buyer for returned items.*

Atosa may modify its equipment at any time to provide a superior product. Changes are sometimes necessary to keep up with industry standards. Atosa reserves the final interpretation of all public material.

⚠️ Important Child Safety

Destroy or recycle the carton, plastic bags, and any exterior wrapping material immediately after the unit is unpacked. Children should never use these items to play.

Product Information

Preface

This instruction manual provides information regarding:

The manual is an integral part of the freezer and should be stored safely for future reference to ensure a long life of the freezer.

ATTENTION

The manufacturer cannot be held liable in the following cases:

All electrical equipment can be hazardous to health. Current standards and legal requirements must be complied with during the installation and use of any equipment.

Use of this equipment

The freezers are for preserving packaged foods (foods that are bottled, canned, cartoned, securely bagged, or securely wrapped in a container).

The operating temperature for frozen food maintenance is: Between -8°F and -1°F at room temperature of 109°F and 60% RD.

Technical Specification

Model Rated Electric Refrigerant (Ounces) Design Pressure (High/Low) Net weight (KG)
MWF9007 115v, 60Hz, 1.0A R600a / 1.90 105 psig / 54 psig 40
MWF9010GR 115v, 60Hz, 1.5A R600a / 2.65 105 psig / 54 psig 52
MWF9016GR 115v, 60Hz, 2.6A R290 / 3.2 190 psig / 120 psig 68.5

Installation Instruction

Unpacking and Handling

The freezer arrives packaged in a cardboard box with foam boards for protection. Transport and handle the freezer with care to avoid hazards to persons or property. Never place a freezer on its side or upside down, as this may damage or impair the refrigerated unit. Atosa is not liable for any damage or defects arising from improper handling or non-compliance with safeguards.

Side clearance for the freezer

Install the freezer in an indoor, well-ventilated area with an even, flat ground. Maintain a 3-inch (75mm) clearance on each side of the freezer for adequate air circulation.

A diagram illustrating the recommended side clearance for the chest freezer. It shows the freezer with dimensions indicating a 3-inch (75mm) clearance on the front and both sides for adequate air circulation.

Electric connection

⚠️ WARING: Electric connection must be carried out by professional and qualified persons.

The mains voltage should correspond to the freezer's voltage (115V/60Hz/1Ph). Ensure the power supply voltage is within +/-10% of the unit's rated voltage for proper operation. Plug the freezer into a grounded and properly-sized electrical outlet with appropriate overcurrent protection. Refer to the nameplate for electrical requirements. Ensure your unit has its own dedicated outlet and do not use an extension cord.

Do not cut, remove, or bypass the grounding prong.

A diagram showing a three-prong grounded electrical plug. Accompanying text warns against cutting, removing, or bypassing the grounding prong under any circumstances.

Door handle Installation

Models MWF9010GR, MWF9013GR, and MWF9016GR have an extension door handle that needs to be installed at the user's location. The handle parts are packed in a bag inside the cabinet upon arrival.

Operation Instruction

Setting temperature control

For safe food storage, let the freezer run for 4 hours continuously before placing food inside. The temperature setting is adjusted by moving the thermostat axis position using a screwdriver or a coin-shaped tool. The recommended setting is position "4". Turn the axis back to its original position when articles are frozen. Avoid fast freezing for more than 4-5 hours. To decrease the temperature (colder), turn towards position "7"; to increase the temperature (warmer), turn towards position "1".

An image of the freezer's control panel, featuring a temperature dial marked from 1 (warmest) to 7 (coldest), along with indicator lights labeled 'POWER' and 'COMPRESSOR ON'.

⚠️ CAUTION: Setting the temperature control to the coldest setting may cause the evaporator coil to freeze and ice up, eventually resulting in a warmer cabinet temperature.

Maintenance Instruction

Care and Cleaning

Clean the freezer periodically, generally every 30-45 days. Unplug the unit before cleaning. Use a soft cloth with a solution of warm water and mild soap to scrub the inside and outside of the cabinet. Do not use acids, chemical thinner, gasoline, or benzene for cleaning. Dry with a soft cloth. Never use water to rinse the freezer.

Defrost

Defrosting should be done if the frost on the interior walls is more than 1/4 inch thick.

Method of defrosting:

  1. Unplug the unit and remove all contents. After the freezer temperature rises, frost will melt or scale off.
  2. To speed up defrosting, place a pan of hot water into the unit and close the door. After defrosting, drain the water through the drain hole at the bottom of the cabinet, and then use a soft cloth to dry the interior walls. Plug the unit in and resume operation. Wait until the unit reaches the desired temperature before returning products to the freezer.

Remember to replace the drain plugs when defrosting and cleaning are completed. If the drain is left open, warm air may enter the freezer.

Note: Never use sharp utensils or ice scrapers to scrape off frost.

A diagram showing the interior bottom of the freezer, highlighting the location of the drain plug for defrosting and cleaning.

Technical Service Information

Explore view

An exploded view diagram of the Atosa chest freezer, with numbered components corresponding to the service part list, illustrating the assembly of the unit.

Service part list

No. in explode view Description Service Part No.
1 Door for MWF9007 MWFP901
Door for MWF9010GR MWFP902
Door for MWF9013GR MWFP903
Door for MWF9016GR MWFP904
2 Door Gasket for MWF9007 MWFP905
Door Gasket for MWF9010GR MWFP906
Door Gasket for MWF9013GR MWFP907
Door Gasket for MWF9016GR MWFP908
3 Control Panel MWFP909

Continue part list

No. in explode view Description Service Part No.
4 Compressor for MWF9007 MWFP910
Compressor for MWF9010GR & 9013GR MWFP911
Compressor for MWF9016GR MWFP912
5 Thermostat MWFP913
6 Filter MWFP914
7 Compressor apartment Cover (9007) MWFP915
Compressor apartment Cover (9010GR above) MWFP916
8 Outter Drain plug MWFP917
9 Inner Drain plug MWFP918
10 Basket for MWF9007 MWFP919
Basket for MWF9010GR-9016GR MWFP920
11 Hinge Cover MWFP921
12 Door Hinge MWFP922
Not showed in explode view Door Handle MWFP923
Not showed in explode view Caster MWFP924
Not showed in explode view Caster with brake MWFP925

Electric Connection Diagram

Electrical connection diagram for the Atosa MWF9007 chest freezer, showing the wiring from the power plug (L, E, N) to the thermostat, compressor, motor protector, PTC starter, and power light. Electrical connection diagram for Atosa MWF9010GR, MWF9013GR, and MWF9016GR chest freezers, detailing the wiring from the power plug (L, E, N) to the thermostat, compressor, motor protector, PTC starter, capacitor, and power light.

TroubleShooting

Problem or Concern Possible Cause Common Solution
The indicator is not on. The compressor does not start. The plug isn't connected to the socket really. No power. Replug it. Connect the socket with power.
The indicator is on, but the compressor doesn't work and buzzes only. The power voltage is <98V. Connect a voltage-regulator (with more than 1000w capacity).
The compressor stops a minute after start, and restarts after a few minutes, and so repeatedly. The power voltage is >132V. Connect a voltage-regulator (with more than 1000w capacity).
The compressor works normally, but the temperature in the cabinet goes down too slowly. The door is opened too frequently. The food in the cabinet is too much, and placed improperly. The frost layer is too thick. The surface of the condenser is too dirty. The door seals badly. Reduce open times. Place foods properly, keeping space between them for ventilation of cold air. Take out foods and defrost. Stop and clean the condenser. Adjust the door seal.
The noise is too loud. The freezer is placed unstably. The fixing of the freezer is loose. There's contact between pipes. Place it stably. Tighten the fixing. Separate them.

The following are not faults:

Models: MWF9007, MWF9010GR, MWF9013GR, MWF9016GR, MWF9007 Solid Top Chest Freezer, MWF9007, Solid Top Chest Freezer, Top Chest Freezer, Chest Freezer, Freezer

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References

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