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Deye DWA3-ACDCBLW-18K - User Manual

Deye DWA3-ACDCBLW-18K
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Photovoltaic DC/AC Split System Air Conditioner
Installation Manual

Table of Contents

Questions and Answers

  • J
    Jo PerezAug 17, 2025
    Why is my Deye DWA3-ACDCBLW-18K Air Conditioner not cooling properly?
    • P
      perry20Aug 17, 2025
      Several factors can cause poor cooling performance in your Deye Air Conditioner. The temperature setting might be higher than the room temperature; try lowering it. The heat exchanger or air filter could be dirty, requiring cleaning. Obstructions in the air inlet or outlet should be removed after turning the unit off. Ensure doors and windows are closed to prevent heat entry. Reduce heat sources in the room, such as computers or electronics. Deactivate the SLEEP function. If using solar power, ensure sufficient grid power is available.
  • C
    Catherine WestAug 20, 2025
    What to do if my Deye DWA3-ACDCBLW-18K Air Conditioner is not working?
    • A
      allenjessicaAug 20, 2025
      If your Deye Air Conditioner isn't working, first, check that both solar and grid power are on. Replace the remote control batteries if they are dead. Also, ensure the timer function is turned off.
  • N
    Norman CampbellAug 22, 2025
    How to get rid of bad odor from my Deye DWA3-ACDCBLW-18K?
    • S
      Shawna HowardAug 22, 2025
      A bad odor from your Deye Air Conditioner can come from absorbed environmental odors. Unfortunately, there is no specific solution for this issue. However, if the filters are moldy, cleaning them might resolve the problem.
  • J
    Jason JohnsonAug 25, 2025
    What to do if error code appears on my Deye DWA3-ACDCBLW-18K Air Conditioner?
    • M
      Michael GrahamAug 26, 2025
      If an error code appears on your Deye Air Conditioner, the unit may stop or continue running safely. Wait about 10 minutes to see if the problem resolves itself. If the error persists, disconnect both solar and grid power, wait 2 minutes, and reconnect. Then, turn the unit back on. If this doesn't work, turn off the unit.
  • G
    Gary CarterAug 27, 2025
    Why does my Deye DWA3-ACDCBLW-18K change to FAN mode automatically?
    • J
      Julie SmithAug 27, 2025
      Your Deye Air Conditioner might switch to FAN mode to prevent frost formation. In this case, wait for the temperature to increase, and it will return to the previous mode. Alternatively, the set temperature may have been reached, causing the compressor to turn off. The unit will resume normal operation when the temperature fluctuates again.
  • J
    Jessica HarrellAug 30, 2025
    Why is the heating performance of my Deye DWA3-ACDCBLW-18K poor?
    • I
      Ian MullenAug 30, 2025
      Poor heating performance in your Deye Air Conditioner can occur if the outdoor temperature is below 7°C (44.5°F); consider using an auxiliary heating device. Also, ensure that all doors and windows are closed to prevent cold air from entering.
  • M
    Melanie HowardSep 1, 2025
    Why is my Deye Air Conditioner indoor unit making noises?
    • C
      crystal35Sep 1, 2025
      A rushing air sound may occur when the louver resets its position. A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit’s plastic parts.
  • W
    wcarterSep 4, 2025
    Why does my Deye DWA3-ACDCBLW-18K Air Conditioner indoor unit emit white mist?
    • A
      aprilcampbellSep 4, 2025
      In humid regions, a large temperature difference between the room’s air and the conditioned air can cause white mist to be emitted from your Deye Air Conditioner indoor unit.
  • J
    Jason HowellSep 6, 2025
    Why are my Deye Air Conditioner indoor and outdoor units making noises?
    • T
      torresashleySep 6, 2025
      A low hissing sound during operation is normal, caused by refrigerant gas flowing through both units. A low hissing sound when the system starts, stops, or is defrosting is also normal, due to the refrigerant gas stopping or changing direction. Squeaking sounds can occur due to the expansion and contraction of plastic and metal parts caused by temperature changes during operation.
  • J
    jason33Sep 9, 2025
    What to do if my Deye Air Conditioner operation is erratic?
    • J
      Jonathan MartinezSep 9, 2025
      If your Deye Air Conditioner is operating erratically, it may be due to interference from cell phone towers or remote boosters. Try disconnecting the power, then reconnecting it. Press the ON/OFF button on the remote control to restart operation.

Summary

Safety Precautions

General Safety Warnings

General warnings and safety precautions for electrical work and installation.

Indoor Unit Mounting Instructions

Outdoor Unit Mounting Instructions

Refrigerant Pipe Specifications

Refrigerant Fill Capacity

Maximum Length of Piping

Connecting the Refrigerant Piping

Pressure Testing the System

Precautions for Leak Testing

Evacuate the System

Vacuuming Procedure

Releasing the Refrigerant into the System

Checking Gauges After Refrigerant Release

Electrical Connections

AC;DC Input Parameters and Breaker Sizing

General Electrical Work Precautions

Essential safety cautions and guidelines before performing electrical work.

Installation of Solar Modules

Solar Array Maximum Voltage Calculation

Calculation of maximum solar array voltage considering temperature rise and module VOC.

Solar Array Maximum Current

Solar Module Installation Guidelines

Solar Array Mechanical Installation

Solar Array Wiring

General Solar Array Installation Requirements

Earth Fault Protection Solar DC

Signage

Emergency Air Conditioner Shutdown Procedure

Procedure for emergency shutdown of the air conditioner, including steps and contact information.

Electrical and Gas Leak Checks

Gas Leak Checks

Electrical Safety Checks

Test Run

Commissioning Checklist

Checklist for verifying proper installation and operation before final commissioning.

Maintenance

Indoor Unit Maintenance

Outdoor Unit Maintenance

Operation

Remote Control Operation & Functions

Overview and detailed functions of the infrared remote control for various modes and settings.

Android or iPhone App

App Setup and Connection

Steps to download, register, and connect the air conditioner to a smartphone app via Wi-Fi.

Troubleshooting and Repair

Common Issues and Possible Causes

Table detailing common problems, their causes, and initial troubleshooting steps.

Deye DWA3-ACDCBLW-18K Specifications

General IconGeneral
Cooling Capacity18, 000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR32
Noise Level (Indoor Unit)42 dB(A)
Air Flow (Indoor Unit)850 m³/h
TypeSplit Type
Operating Temperature (Heating)-15°C to 30°C

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