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User Manual
WSD27HWA
WSD73HWA
WSD36HWA
WSD91HWA
WSD51HWA

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Table of Contents
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Summarization of Contents

1. SAFETY INSTRUCTIONS
1.1 Children and Vulnerable People Safety
Safety precautions for children and individuals with reduced capabilities.
1.2 Installation and Use Safety
Guidelines for safe installation and operation to prevent hazards.
1.3 Minimum Floor Areas
Requirements for minimum room sizes when using R32 refrigerant.
2. PRODUCT DESCRIPTION
Indoor Unit Components
Identifies and describes parts of the indoor unit like front panel, filters, and display.
Outdoor Unit and Connection Components
Details outdoor unit parts and connection elements like pipes, hoses, and cables.
3. INDOOR UNIT DISPLAY
Indication Lamps
Explains the function of temperature, ECO, wireless, and fresh indication lamps.
4. REMOTE CONTROLLER
How to Use the Remote Controller
Basic instructions on operating the air conditioner with the remote.
Remote Controller Location and Range
Specifies the optimal distance and placement for remote control signal reception.
Battery Installation and Replacement
Guide on how to install and replace batteries in the remote controller.
5. REMOTE CONTROLLER DESCRIPTION
Basic Operation Buttons
ON/OFF, Mode, Set, and OK buttons for fundamental operations.
Advanced Function Buttons
Buttons for fan speed, swing, turbo, eco, timer, fresh, self-clean, and LED control.
Remote Display Indicators
Explains the various symbols and indicators shown on the remote control's LCD screen.
6. HOW TO USE THE REMOTE CONTROLLER
Basic Operation
Steps to start, stop, select mode, temperature, and fan speed.
Swing Operation
How to adjust vertical and horizontal airflow direction.
Timer Operation
Setting auto-on and auto-off timer functions for unit operation.
Advanced Functions Operations
Details Turbo, Self Clean, Quiet, and 8°C Heating functions.
ECO, Fresh, Follow Me, and Wireless Functions
Explains energy saving, air purification, remote temperature sensing, and wireless binding.
Lock and Set Functions
Covers locking the remote and selecting functions via the SET button.
Diffuse and Sleep Functions
Explains how to use Diffuse for indirect airflow and Sleep for temperature adjustment.
7. HOW TO USE THE INDOOR UNIT
Vertical Airflow Direction
How to adjust the up/down airflow direction using the remote.
Horizontal Airflow Direction
How to adjust the left/right airflow direction using the remote.
10. CLEANING AND MAINTENANCE
Before Maintenance
Safety precautions and initial steps before cleaning the unit.
Cleaning the Unit
How to clean the main body of the indoor unit.
Cleaning the Filters
Step-by-step guide for cleaning the air filters.
Cleaning Air Outlet and Panel
Instructions for cleaning the air outlet and front panel.
Replacing the Filters
Steps for removing old filters and installing new ones.
Preparation for Extended Non-operation
Procedures for preparing the unit for long periods of inactivity.
Pre-season Inspection
Checks to perform before starting the unit after a long break.
11. OPERATION TIPS
Compressor Protection and Airflow Issues
Discusses compressor restart delays, anti-cold air, defrosting, and white mist generation.
Noise, Smells, and Mode Behavior
Covers abnormal noises, dust, smells, and automatic mode changes.
Auto-restart Function
Explains how the unit restarts after a power failure.
12. TROUBLESHOOTING
Unit Does Not Start
Addresses issues when the air conditioner fails to power on.
Poor Cooling or Heating Performance
Troubleshoots weak cooling/heating with airflow present.
Flashing Indicators and Error Codes
Explains troubleshooting for flashing lights and displayed error codes.
Frequent Fuse Blowing or Breaker Tripping
Addresses issues related to power supply interruptions.

Table of Contents