Page 1
User Manual For Haier DW-86L288/388/628/386/626 DW-86W420 Ultra Low Temperature Storage Freezer This product is suitable for ultra low temperature storage of products in applications such as clinical, pharmaceutical, scientific research, and epidemic institutions. Haier Medical and Laboratory Co., Ltd. Read this user's manual carefully before using the ULT freezer.
Table of Contents eneral Information Features of the Haier ULT Freezer ............1 Description of Key Parts and Functions..........2 Safety Precautions..................3 Proper Usage..................4 Pre-Installation Information..............7 Pre-Start Up Instructions Installation....................8 Initial Loading..................9 Temperature Adjustment and Setting............11 Display and Alarms .................13 Maintenance Routine Maintenance................15...
Technical Service Features of the Haier ULT Freezer Your Haier ULT Freezer has a 3 year warranty on the compressors and 5 years parts The Haier ULT Freezer is equipped with microprocessor control and a and labor on the rest of the unit.
Optional Accessories Safety Precautions This manual and labels attached to the product include important safety precautions required to operate this product. Customers are advised to follow instructions This recorder has been calibrated at the factory. It retains the temperature accuracy provided to avoid potential damage to product and injury to operators.
When the pen reaches the outer most circle of Your Haier ULT must be securely installed on a firm floor. A tilted installation may the chart paper, it pauses for a moment. If the pen does not match the outer circle of result in equipment falling causing injury and damage.
Page 7
Optional Accessories Proper Usage 1.Temperature recorder The ULT Freezer is equipped with a 6-inch temperature recorder for the chamber temperature. When the unit is powered up, the recorder starts working. If there is leakage of petroleum gas or another flammable gas, close the gas supply For proper operation of the temperature recorder, please follow the procedures below.
Page 8
Proper Usage Schematic Diagrams, Refrigeration and Wiring Diagram Do not touch any electrical components or power cord if your hands are damp or wet. Such action might lead to an electric shock. Refrigeration diagram After restarting your unit after a power outage or shutdown, ensure that all settings Filter dryer are correct.
Specifications Pre-Installation Information Description Ultra Low Temperature Storage Freezer Model Description DW-86L628/388/288/386/626 DW-86W310/420 When a ULT unit has been placed in storage or out of service for a long time, its Exterior wall material Coated cold rolled steel battery should be tested for low capacity because the battery may have already Interior wall material Coated zine cold rolled steel released all of its energy.
Recycle Rechargeable Battery Installation Haier freezer is equipped with a rechargeable battery. This battery is recyclable. Environment When the battery reaches the end of its life, please contact a local recycling organization for inspection or properly discard the battery. 1.Ambient temperature: The...
Installation Should there be any malfunctions in the system, please attempt to answer the 1.Remove all packing materials and straps. following questions before notifying maintenance or calling Haier Equipment & 2.Adjust support legs Instrument Service Center Rotate the leveling legs clockwise to extend them out to anchor to the floor to ensure the unit does not move while in usage.
Page 12
During any repair maintenance work, do not breathe in medical particles or aerosols near the Your Haier ULT unit should be cared for by dedicated personnel. Every 2 to 4 equipment as they might be harmful to your health.
Temperature Adjustment and Setting Display and Alarms Notes: A flashing alarm light cannot be cancelled unless the root cause for the alarm is eliminated. Alarms Silence The buzzing alarm can be temporarily silenced for 30 minutes by pressing the alarm silence button.
Page 14
6.Setting the Startup delay timer: In order to reduce the startup power surge after a power outage, your Haier ULT incorporates a startup delay feature. This feature can Alarm Conditions alter the startup sequence of the compressors in the freezer. After the control is...