Hualing KFR-25G/J93 - User Manual

Thank you for purchasing Hualing Air Conditioner
Installation & Maintenacne Manual
Variable-frequency one-drive-two split room air conditioner series
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Before operation, please read the instructions carefully so that you can operate the machine correctly, and keep it
properly for future reference.
In order that your air conditioner can realize satisfied operation and perfect service, please carefully read the Guide
to User Service attached to this operating instructions, and contact the local Franchised service department of Hualing
Air Conditioner for installation. If your air conditioner were installed by non-appointed organization, the installation
quality would be difficult to be ensured while. In this condition, Company can only offer paid maintenance service.

Summary

External Dimensions

Indoor Unit Dimensions (KFR-25;28;35)

Provides detailed measurements for KFR-25/28/35 indoor units.

Indoor Unit Dimensions (KFR-55 W2)

Provides detailed measurements for KFR-55W2 indoor units.

Outdoor Unit Dimensions (KFR-50 W2)

Provides detailed measurements for KFR-50W2 outdoor units.

Outdoor Unit Dimensions (KFR-60 W2)

Provides detailed measurements for KFR-60W2 outdoor units.

Performance Parameters

KFR-50 Model Specifications

Specifications for the KFR-50 model, including capacity, power, and dimensions.

KFR-60 Model Specifications

Specifications for the KFR-60 model, including capacity, power, and dimensions.

KFR-55 Model Specifications

Specifications for the KFR-55 model, including capacity, power, and dimensions.

Refrigerating Circuit

Fitting Pipe and Refrigerant Guidelines

Microcomputer Control Principles

Installation Instructions

Installation Diagrams for Units

Visual guide showing placement and clearances for indoor and outdoor units.

Installation Attachments and Location Selection

List of components and guidelines for choosing optimal installation locations.

Connecting Indoor;Outdoor Unit Wires

Detailed steps for wiring indoor and outdoor units.

Fitting Pipe and Drain Hose Installation

Precautions and steps for installing refrigerant pipes and drain hoses.

Outdoor Unit Installation and Drain Pipeline

Guidelines for outdoor unit installation and drain pipeline arrangement.

Refrigerant Replenishing and Test Run

Procedures for refrigerant charging and performing a system test run.

Flared Pipe Processing

Troubleshooting Precautions

Pre-Troubleshooting Checks

Troubleshooting Flow Chart

Trouble Selfcheck Tables

Indoor Unit Error Codes

Outdoor Unit Fault Indicators

Trouble and Maintenance

Main Component Fault Standards

Outdoor Unit Inspection Flowchart

Outdoor Unit Heating Failure Troubleshooting

Hualing KFR-25G/J93 Specifications

General

Cooling Capacity	2500 W
Power Input	800 W
Energy Efficiency Ratio (EER)	3.1
Refrigerant	R410A
Air Flow Volume	450 m³/h
Net Weight (Indoor Unit)	9 kg
Type	Split System
Power Supply	220V, 50Hz
Operating Temperature Range (Cooling)	18-43 °C