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Haier DW-86L628 User Manual

Haier DW-86L628
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Read this user's manual carefully before using the ULT freezer.
Place this manual in a convenient location for future reference.
Haier Medical and Laboratory Co., Ltd.
This product is suitable for ultra low temperature storage of products in
applications such as clinical, pharmaceutical, scientific research, and
epidemic institutions.
User Manual For Haier DW-86L288/388/628/386/626
Ultra Low Temperature Storage Freezer
DW-86W420

Other manuals for Haier DW-86L628

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Haier DW-86L628 Specifications

General IconGeneral
TypeUpright Freezer
Temperature Range-40°C to -86°C
Power Supply220V/50Hz
DefrostingManual
Number of Shelves3
ColorWhite
Capacity628 liters
RefrigerantMixture Refrigerant
Dimensions (H x W x D)1980 x 984 x 998 mm

Summary

Features of the Haier ULT Freezer

Description of Key Parts and Functions

Optional Accessories

CO₂ and LN2 Backup Cooling System

Provides information on backup cooling systems and associated warnings.

Storage Rack and Box Options

Details storage rack and box options for efficient internal space utilization.

Optional Accessories - Temperature Recorder

Temperature Recorder Operation

Explains the 6-inch temperature recorder, its operation, and calibration.

Recorder Power Supply and Battery

Discusses the AC power supply and the function of the backup battery for the recorder.

Safety Precautions

Proper Usage Guidelines

Optional Accessories - Recorder Maintenance

Changing Recorder Chart Paper

Step-by-step guide for replacing the chart paper in the temperature recorder.

Temperature Recorder Calibration

Details the procedure for calibrating the temperature recorder's accuracy.

Optional Accessories - Recorder and Power

Temperature Recorder Details

Further details on the temperature recorder's operation and battery backup.

Recorder Power Supply and Battery Backup

Explains the power supply requirements and the function of the backup battery.

Recorder Battery Replacement

Advises on inspecting and replacing the recorder's backup battery.

Proper Usage - Safety and Handling

Schematic Diagrams

Refrigeration Diagram

Illustrates the refrigeration system components and flow of refrigerant.

Wiring Diagram

Shows the electrical connections for the freezer's control and power systems.

Specifications and Packing List

Pre-Installation Information

Installation Procedure

Environmental Requirements

Specifies optimal ambient temperature, humidity, dust, and elevation conditions for installation.

Location Selection Criteria

Provides guidelines for selecting a suitable installation location, including ventilation and power requirements.

Recycle Rechargeable Battery

Battery Location and Removal

Identifies the battery location and outlines safe removal steps.

Troubleshooting Guide

Freezer Startup Issues

Lists potential causes and checks for when the freezer fails to start.

Reduced Refrigeration Performance

Covers common reasons for decreased cooling performance and checks.

Unit Noise Troubleshooting

Explains possible causes of unusual noise from the freezer and how to address them.

Initial Loading and Setup

Packing Removal and Leg Adjustment

Instructions for removing packing materials and adjusting the leveling legs.

Grounding and Power Connection

Emphasizes the importance of proper grounding and power connection for safety.

Initial Test and Temperature Setting

Details the procedure for initial startup, temperature setting, and performance testing.

Initial Loading and Operation

Loading Warnings and Cautions

Provides critical warnings and cautions regarding sample loading and unit care.

Power Outage Operation

Explains how the freezer resumes operation after a power interruption.

Routine Maintenance Procedures

Cleaning and Filter Maintenance

Describes monthly cleaning procedures for the unit and condenser filter.

Interior Defrosting

Provides instructions for safely defrosting the interior of the freezer.

Battery Replacement Advisory

Advises on replacing the battery for the power outage alarm due to its limited lifespan.

Display and Alarm Functions

Alarm Silencing and Resumption

Explains how the buzzer alarm can be temporarily silenced and its automatic resumption.

Remote Alarm System

Details the location and function of remote alarm terminals for external monitoring.

Temperature Adjustment and Setting

Temperature Set Point Adjustment

Step-by-step guide to unlock the control and adjust temperature set points.

High and Low Temperature Alarms

Instructions for setting the high and low temperature alarm limits and their parameters.

Temperature Control and Settings

Security Code Management

Explains how to set and change the security code for unlocking the control panel.

Startup Delay Timer Function

Details the feature for delaying compressor startup to reduce power surge.

Alarm and Battery System Tests

Describes how to perform functional tests for alarms and battery status.

Display and Alarm Indicators

Control Panel Indicators Explained

Explains the meaning of various indicator lights on the control panel.

Alarm Condition Definitions

Lists various alarm conditions, their triggers, indicators, and buzzer sounds.

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