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Haier DW-25L92 - User Manual

Haier DW-25L92
33 pages
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Service Manual
Deep Freezer-upright
DW-25L92DW-40L92DW-40L188DW-25L300DW-40L262
Haier Medical & Laboratory Products Co., Ltd.
DW-40L92
DW-40L188
DW-40L262
FILE No: HMRSM-02-002
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Summary

Deep Freezer-upright Service Manual

Model Identification and Overview

Identifies the service manual's scope and lists applicable freezer models.

Product Designation and Safety

Model Naming Convention

Details the logic behind the product's model naming system.

Safety Precautions

Essential safety guidelines for electrical, material, operational, and personal protection.

Product Information and Specifications

Product Appearance

Visual representations of the freezer's external design and features.

Product Dimensions

Diagrams illustrating the physical dimensions of various freezer models.

Technical Specifications (DW-25 L92;DW-40 L92)

Detailed technical data for DW-25L92 and DW-40L92 models.

Technical Specifications (DW-25 L262;DW-25 L300;DW-40 L262)

Detailed technical data for DW-25L262, DW-25L300, and DW-40L262 models.

System Components and Operation

Components and Function Modules

Overview of key components and their functions within the freezer system.

Product Graphical Representation

Diagram illustrating and labeling major external and internal parts.

Control System Principles

Explanation of how the compressor and fan operate based on control signals.

System Diagrams

Schematic and circuit diagrams of the refrigeration and electrical systems.

Maintenance and Troubleshooting

Disassembly and Reassembly Procedures

Step-by-step instructions for disassembling and reassembling key components.

Screen Control System Operation

Guide to operating the screen control system, including temperature settings.

Typical Error Inspection and Maintenance

Analysis and maintenance measures for common operational errors.

Troubleshooting Guide

Comprehensive guide for diagnosing and resolving various system faults.

Poor Cooling Diagnosis

Flowchart for troubleshooting and addressing poor cooling performance.

Parts and Details

Frequently Asked Questions

Answers to common user inquiries regarding the freezer's operation.

Cooling Unit Parts

Detailed list of components within the cooling unit assembly.

Product Nameplate Information (DW-25 L92;DW-40 L92)

Key information presented on the product's identification nameplate.

Product Nameplate Information (DW-40 L262;DW-25 L300)

Key information presented on the product's identification nameplate.

Refrigerant Perfusion Details

Specifications for refrigerant type and quantity used in different models.

Spare Parts Identification (DW-25;40 L262;300)

Visual and itemized lists of spare parts for specific freezer models.

Spare Parts Identification (DW-25;40 L92)

Visual and itemized lists of spare parts for specific freezer models.

Summary

Deep Freezer-upright Service Manual

Model Identification and Overview

Identifies the service manual's scope and lists applicable freezer models.

Product Designation and Safety

Model Naming Convention

Details the logic behind the product's model naming system.

Safety Precautions

Essential safety guidelines for electrical, material, operational, and personal protection.

Product Information and Specifications

Product Appearance

Visual representations of the freezer's external design and features.

Product Dimensions

Diagrams illustrating the physical dimensions of various freezer models.

Technical Specifications (DW-25 L92;DW-40 L92)

Detailed technical data for DW-25L92 and DW-40L92 models.

Technical Specifications (DW-25 L262;DW-25 L300;DW-40 L262)

Detailed technical data for DW-25L262, DW-25L300, and DW-40L262 models.

System Components and Operation

Components and Function Modules

Overview of key components and their functions within the freezer system.

Product Graphical Representation

Diagram illustrating and labeling major external and internal parts.

Control System Principles

Explanation of how the compressor and fan operate based on control signals.

System Diagrams

Schematic and circuit diagrams of the refrigeration and electrical systems.

Maintenance and Troubleshooting

Disassembly and Reassembly Procedures

Step-by-step instructions for disassembling and reassembling key components.

Screen Control System Operation

Guide to operating the screen control system, including temperature settings.

Typical Error Inspection and Maintenance

Analysis and maintenance measures for common operational errors.

Troubleshooting Guide

Comprehensive guide for diagnosing and resolving various system faults.

Poor Cooling Diagnosis

Flowchart for troubleshooting and addressing poor cooling performance.

Parts and Details

Frequently Asked Questions

Answers to common user inquiries regarding the freezer's operation.

Cooling Unit Parts

Detailed list of components within the cooling unit assembly.

Product Nameplate Information (DW-25 L92;DW-40 L92)

Key information presented on the product's identification nameplate.

Product Nameplate Information (DW-40 L262;DW-25 L300)

Key information presented on the product's identification nameplate.

Refrigerant Perfusion Details

Specifications for refrigerant type and quantity used in different models.

Spare Parts Identification (DW-25;40 L262;300)

Visual and itemized lists of spare parts for specific freezer models.

Spare Parts Identification (DW-25;40 L92)

Visual and itemized lists of spare parts for specific freezer models.

Haier DW-25L92 Specifications

General IconGeneral
TypeUpright Freezer
Energy RatingA+
Temperature Range-10°C to -25°C
RefrigerantR600a
Power Supply220-240V/50Hz
DefrostingManual
Noise Level42 dB
Capacity92 liters
Climate ClassN

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