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Part number 20077, Rev 0
ABT-0720MB ABT-1420MB, ABT-1720MB, ABT-2020MB,
ABT-2030MB, ABT-3020MB, ABT-3030MB, ABT-3020AB
This manual describes how to operate and care for your appliance to get the best, most efficient, performance.
Note to Customer:
Responsibility for its safe delivery was assumed by the carrier upon acceptance of the shipment. As directed on
the side of your packing carton, claims for loss or damage sustained in transit must be made on the carrier as
A.) Visible Loss, Damage, Shortage External Evidence of Loss or Damage: This type of damage must be noted on
the freight bill and acknowledged by the carrier's agent (driver) at time of delivery. Make sure you get a signed
copy. Send a written request for an inspection to the carrier.
B.) Concealed Damage: This type of damage may not be discovered until the unit is being unpacked. When
concealed damage is discovered, stop unpacking immediately and contact the carrier immediately to report
the claim and request an inspection. This should be done as soon as possible and, in any case, must be done
within 15 days or receiving the merchandise. If at all possible, do not move the item and save all packaging
material for carrier's inspection.
C.) FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN THE CARRIER REFUSING TO HONOR YOUR
COMPANY'S CLAIM. UNDER NO CIRCUMSTANCES SHOULD THE MERCHANDISE BE RETURNED TO THE
MANUFACTURER. NO RETURNS WILL BE ACCEPTED WITHOUT PRIOR AUTHORIZATION.
Horizon Scientific
125 Varnfield Drive
Summerville, SC 29483
Phone: 800-648-4041
Fax:
843-821-8051
GENERAL PURPOSE FREEZERS
OWNER'S INSTRUCTIONS
READ THIS BOOK!
This merchandise was carefully packed and thoroughly inspected before leaving our plant.
follows:
Warranty:
Two-Year Parts and Labor
1
5 Years Compressor Parts
Revision Date:
08/27/2012

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Summary of Contents for SO-LOW ABT-0720MB

  • Page 1 Part number 20077, Rev 0 GENERAL PURPOSE FREEZERS ABT-0720MB ABT-1420MB, ABT-1720MB, ABT-2020MB, ABT-2030MB, ABT-3020MB, ABT-3030MB, ABT-3020AB OWNER’S INSTRUCTIONS This manual describes how to operate and care for your appliance to get the best, most efficient, performance. READ THIS BOOK! Note to Customer: This merchandise was carefully packed and thoroughly inspected before leaving our plant.
  • Page 2: Table Of Contents

    Part number 20077, Rev 0 TABLE OF CONTENTS RECEIVING ......................3 INSTALLATION ......................4 FREEZER OPERATION ..................... 6 DIGITAL MICROPROCESSOR TEMPERATURE CONTROLLER ........7 QUICK TROUBLESHOOTING GUIDE ..............10 MAINTENANCE AND CLEANING ................12 PRODUCT WARRANTY ..................14 BEFORE CALLING THE MANUFACTURER’S TECHNICAL SERVICE DEPARTMENT, please have the unit’s model and serial number ready as well as the problem description.
  • Page 3: Receiving

    Part number 20077, Rev 0 RECEIVING Your unit was built, packaged, and inspected with extreme care. We shipped it to you using carriers we trust with a proven track record of careful handling, good customer service, and on time delivery. Unfortunately, regardless of all of these efforts sometimes accidents happen and occasionally those accidents result in shipping damage.
  • Page 4: Installation

    Part number 20077, Rev 0 INSTALLATION UNCRATING – Move the unit as close to the final location as possible before unpacking. Remove the wooden planks or skid. The location should be as close as possible to the power outlet. This unit requires a minimum of 4 inches of air flow space in back and 3 inches on the sides and top.
  • Page 5 Part number 20077, Rev 0 DOOR BINS (not applicable to all models) Your unit may come equipped with storage bins in the door. Because of the temperature characteristics of these units, items stored in these bins may not be maintained in the desired temperature band.
  • Page 6: Freezer Operation

    Part number 20077, Rev 0 FREEZER OPERATION After the unit is properly installed and power is applied, it will take some time before the system is cooled down to temperature and cycling normally. You should wait 8 hours on the first startup before beginning to add product to the unit.
  • Page 7: Digital Microprocessor Temperature Controller

    Part number 20077, Rev 0 DIGITAL MICROPROCESSOR TEMPERATURE CONTROLLER - ABT-2030MB and ABT-3030MB only Product Description The digital microprocessor temperature controller is designed to provide on/off control of refrigerators or freezers. The controller also provides a constant readout of the air temperature inside of the unit.
  • Page 8 Part number 20077, Rev 0 Programming Procedure Display Description Display To start programming, press the SET key once to access the Fahrenheit / Celsius mode. The display shows the Fahrenheit or F or C current status, F for Fahrenheit or C Celsius Scale for Celsius.
  • Page 9 Part number 20077, Rev 0 Error Messages Display Messages Corrective Action Appears when either the up or down If the E1 message appears even when key is pressed when not in the no keys are being pressed, replace programming mode control.
  • Page 10: Quick Troubleshooting Guide

    Part number 20077, Rev 0 QUICK TROUBLESHOOTING GUIDE Check these items before calling for service PROBLEM: POSSIBLE CAUSE / SOULTIONS: • Electrical circuit is not 110-120V 60Hz. • The power cord is not plugged in. • No power at electrical outlet. Check to make sure Unit does not run breaker is not tripped or fuse is not blown.
  • Page 11 Part number 20077, Rev 0 PROBLEM: POSSIBLE CAUSE / SOULTIONS: • Compressor may be overheated. Please check the room Compressor noises temp and ensure the range is within 65°F to 85°F. If the problem still exists, call for service. • Door gasket is not sealing properly. Check for debris, cracks, and items passing through door at the gasket.
  • Page 12: Maintenance And Cleaning

    MAINTENANCE AND CLEANING All models except auto defrost ) Manual-Defrost Freezers ( should be defrosted whenever ¼ to ½ inch of frost has accumulated. Use the procedures in the defrosting section starting at the bottom of this page for best results. They should also be cleaned periodically. Use the cleaning agents and suggestions in the table below for best results.
  • Page 13 Part number 20077, Rev 0 source by unplugging to avoid electrical hazard. DO NOT ADJUST THE THERMOSTAT. Remove the product and leave the door open while defrosting the freezer. Remove the drain plug on the inside floor of the freezer by pulling straight out. To access the external drain tube on models with a base panel, first remove the two screws from the base panel.