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Hisense AUW-18U4RS4 User Manual

Hisense AUW-18U4RS4
204 pages
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TECHNICAL & SERVICEMANUAL V3.0
—DC-INVERTER AIR CONDITIONERS
R410A
Refrigerant
R410A
Refrigerant
R410A
Refrigerant
R32
Refrigerant
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Hisense AUW-18U4RS4 Specifications

General IconGeneral
BrandHisense
ModelAUW-18U4RS4
CategoryAir Conditioner
LanguageEnglish

Summary

1. GENERAL

1.2 Product Lineup

Provides a table showing the available models and their types.

2. SPECIFICATIONS

2.1 Duct Type

Provides detailed technical specifications for duct type air conditioners.

2.2 Cassette Type

Provides detailed technical specifications for cassette type air conditioners.

2.3 Ceiling & Floor Type

Provides detailed technical specifications for ceiling & floor type air conditioners.

2.4 Console

Provides detailed technical specifications for console type air conditioners.

4. ELECTRICAL DATA

4. Electrical Data

Details electrical specifications including power supply, voltage, and ELB ratings.

5. CAPACITIES AND SELECTION DATA

5.1 Capacity Characteristic Charts

Presents cooling and heating capacity charts based on indoor/outdoor temperatures.

11. WIRING DIAGRAM

11.1 Electrical Wiring Diagrams

Presents electrical wiring diagrams for various indoor and outdoor unit types.

11.2 Control Board Pictures

Illustrates the components of indoor and outdoor unit control boards.

14. CONTROL MODE

14.1 Indoor Unit Mode Control

Describes main technical parameters and functions for indoor unit operation modes.

14.2 Outdoor Unit Mode Control

Explains control functions for the outdoor unit, including protection mechanisms.

15. SENSOR PARAMETER

1. Outdoor Compressor Discharge Temperature Sensor

Provides resistance (KΩ) and deviation (%) data for outdoor compressor discharge temperature sensor.

16. TROUBLESHOOTING

16.1 Trouble Guide

Provides guidance on identifying and troubleshooting common air conditioner faults.

Outdoor Unit Fault Codes

Details fault codes for outdoor units, indicated by LEDs on the control board.

Indoor Unit Fault Codes

Lists fault codes, possible reasons, and corrective actions for indoor unit malfunctions.

17. CHECKING COMPONENTS

17.1 Check Refrigerant System

Provides a flowchart and technique for checking the refrigerant system.

18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR

Outdoor Unit Disassembly

Step-by-step instructions for disassembling outdoor units for motor/compressor access.

19. CONTROL LOGIC DESCRIPTION

19.2 Cooling Mode

Explains the running rules for indoor and outdoor fans and compressors in cooling mode.

19.3 Heating Mode

Explains the running rules for indoor and outdoor fans in heating mode.

19.5 Evaporator Low-temperature Protection

Details the T2 protection mechanism for evaporator low-temperature conditions in cooling mode.

19.6 Condenser High-temperature Protection

Details the T3 protection mechanism for condenser high-temperature conditions.

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