Deye DGA1-ACDCBLW-18K User Manual

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Photovoltaic DC/AC Split System Air Conditioner

Installation Manual

Table of Contents

Questions and Answers:

F
Frank PetersenAug 17, 2025
Why is my Deye Air Conditioner not cooling properly?
- A
  Ashlee WalkerAug 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.
E
emilymorrowAug 20, 2025
What to do if my Deye Air Conditioner is not working?
- T
  Timothy StevensAug 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.
V
victoriamcdanielAug 22, 2025
How to get rid of bad odor from my Deye DGA1-ACDCBLW-18K?
- R
  Rebecca GarciaAug 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.
C
Chad ComptonAug 25, 2025
What to do if error code appears on my Deye DGA1-ACDCBLW-18K?
- W
  wallerbrentAug 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.
J
John DeckerAug 27, 2025
Why does my Deye Air Conditioner change to FAN mode automatically?
- T
  Timothy TaylorAug 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
Joshua AguilarAug 30, 2025
Why is the heating performance of my Deye DGA1-ACDCBLW-18K poor?
- S
  Shannon PierceAug 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
Mark DuffySep 1, 2025
Why is my Deye Air Conditioner indoor unit making noises?
- B
  Bianca HernandezSep 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.
V
Victoria PaceSep 4, 2025
Why does my Deye Air Conditioner indoor unit emit white mist?
- K
  Kaitlyn KennedySep 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.
E
ericestradaSep 6, 2025
Why are my Deye DGA1-ACDCBLW-18K indoor and outdoor units making noises?
- D
  David RollinsSep 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
John CollinsSep 9, 2025
What to do if my Deye DGA1-ACDCBLW-18K operation is erratic?
- A
  ahallSep 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.

Deye DGA1-ACDCBLW-18K Specifications

General

Cooling Capacity	18, 000 BTU/h
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Noise Level (Indoor Unit)	42 dB(A)
Type	Split System

Summary

Safety Precautions

General Electrical Safety

All electrical work must be performed by a licensed technician.

Indoor Unit Installation

Indoor Unit Clearances

Mounting Plate Installation

Outdoor Unit Installation

Outdoor Unit Clearances

Refrigerant Piping Procedures

Refrigerant Fill Capacity

Details on refrigerant charge volume for different models.

Maximum Piping Length

Connecting Refrigerant Piping

Instructions for connecting refrigerant piping, including flaring.

System Pressure Testing & Evacuation

Pressure Testing the System

Procedure for testing the system for leaks using dry nitrogen.

Evacuate the System

Process for removing air and moisture from the refrigerant circuit.

Releasing Refrigerant

Procedure for introducing refrigerant into the system.

Electrical & Solar Connections

Power Input Requirements

Solar Module Installation

Solar Array Voltage Limits

Solar Array Current Limits

Solar Array Mechanical Setup

Installation Location Selection

Support Frame Selection

Ground and Roof Mounting

Solar Array Wiring

General Wiring Installation

Earth Fault Protection Solar DC

Pre-Operation Checks

Gas Leak Checks

Methods for detecting refrigerant leaks using soap and water or detector.

Electrical Safety Checks

Procedures for verifying earthing, insulation, and leakage.

Final Test Run & Commissioning

Test Run Procedure

Steps to verify the unit's operation after installation.

Commissioning Checklist

A checklist to record all performed installation and operation checks.

Troubleshooting and Service Information

Common Issues & Troubleshooting Guide

Poor Cooling Performance

Unit Not Working

Poor Heating Performance

Error Code Display

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