Treeligo BEU404-SET-03-3

Treeligo 12V Universal Under Dash Air Conditioner with Heating & Cooling

Model: BEU404-SET-03-3 | Brand: Treeligo

1. Sarrera

This manual provides essential information for the safe and effective installation, operation, and maintenance of your Treeligo 12V Universal Under Dash Air Conditioner. Please read all instructions thoroughly before beginning installation or use to ensure optimal performance and longevity of the unit.

2. Produktua amaitu daview

The Treeligo 12V Universal Under Dash Air Conditioner is a versatile climate control system designed for various vehicles, offering both rapid cooling and comfortable heating. Its upgraded 3-in-1 design integrates the receiver dryer, condenser fan, and condenser into a compact unit, simplifying installation. The system features a 20CC electric scroll compressor for efficient operation and a low-noise design for enhanced comfort.

Ezaugarri nagusiak:

  • Upgraded 3-in-1 Electric AC Unit: Combines receiver dryer, condenser fan, and condenser for compact installation.
  • Heating and Cooling Functionality: Provides both fast cooling and comfortable heating.
  • Efficient Cooling Capability: Equipped with a 20CC electric scroll compressor, operating efficiently on 12V power.
  • Low-noise Design: Operates at less than 45 dB for a quiet environment.
  • Aplikazio unibertsala: Compatible with a wide range of vehicles including classic cars, RVs, vans, trucks, and agricultural equipment.

Dakarten osagaiak:

Paketeak honako elementu hauek ditu:

  • Lurrungailuaren muntaia
  • Kondentsadorea
  • Hozteko haizagailua
  • Konpresoreen Muntaia
  • Refrigerant Pipeline
  • Torlojuak
  • Main Power Cord & Blower Power Cord
  • Cooling Fan Power Cord
  • Urrunekoa
  • Erabiltzailearen eskuliburua
All components included in the Treeligo 12V Under Dash Air Conditioner kit

2.1. irudia: Paketean sartutako osagai guztiak.

3. Segurtasun informazioa

  • Deskonektatu beti ibilgailuaren bateria edozein lan elektriko egin aurretik.
  • Ensure proper ventilation when working with refrigerants.
  • Erabili babes pertsonaleko ekipamendu (BPE) egokia, segurtasun betaurrekoak eta eskularruak barne.
  • Refrigerant charging should only be performed by qualified personnel.
  • Verify that the battery current meets the system requirements (12V system requires approximately 65A output).
  • Ensure sufficient space for installation and proper routing of all pipes and wires to prevent damage.

4. Instalatzeko jarraibideak

Careful installation is crucial for the performance and safety of your air conditioner. Refer to the following steps and accompanying visual aids.

4.1 Osagaien neurriak

Product dimensions of the evaporator and condenser unit

4.1 irudia: Produktuaren neurriak instalazio-espazioa planifikatzeko.

4.2 Evaporator Unit Installation

  1. Fix the Evaporator: Secure the evaporator unit at its four corners using the provided brackets and screws.
  2. Connect Evaporator Pipes: Take out the necessary accessories for the evaporator. Connect the low-pressure pipe (13mm) and the high-pressure pipe (8mm) to the corresponding interfaces on the evaporator. Ensure a secure connection.
  3. Insulate Pipes: Cover the thick pipe with a sponge and wrap both pipelines with waterproof tape to prevent condensation and improve efficiency.

Video 4.1: Detailed steps for evaporator pipe connections and insulation.

4.3 Compressor and Condenser Connections

  1. Connect Low-Pressure Pipe to Compressor: Connect the other end of the 13mm low-pressure pipe to the compressor.
  2. Connect High-Pressure Pipe to Condenser: Connect one end of the 8mm high-pressure pipe to the small interface of the condenser.
  3. Connect Short Pipe to Compressor: Connect the 10.5mm short pipe to the designated position on the compressor.
  4. Connect Short Pipe to Condenser: Connect the other end of the 10.5mm short pipe to the larger interface of the condenser.

Video 4.2: Visual guide for connecting pipes to the compressor and condenser.

4.4 Konexio elektrikoak

  1. Evaporator Wiring: Connect the evaporator cable plug to the evaporator.
  2. Bistaratzeko konexioa: Connect the connection cable for the evaporator screen display directly to the monitor. An extension cable can be used if needed.
  3. Elikatze kablea: Connect the power cord (red for positive, black for negative) to the car battery.

Video 4.3: Comprehensive under-dash AC installation, including electrical connections.

4.5 Hustubide-hodiaren konexioa

Connect the drain pipe of the evaporator to the designated position. Ensure it is routed to allow proper drainage.

4.6 Refrigerant Charging Precautions

  • The compressor is pre-filled with refrigeration oil; no additional oil is needed.
  • After installation, vacuum the system for 15-20 minutes.
  • Add approximately 560g of R-134a refrigerant.
  • If the installation fails to start, check the fault code on the display panel for troubleshooting.

5. Funtzionamendu-argibideak

The control panel allows you to manage the air conditioner's functions:

  • Tenperatura kontrola: Use the TEMP knob to adjust the desired temperature for heating or cooling.
  • Airearen Abiaduraren Kontrola: Use the AIR knob to select one of the 3 adjustable fan speeds.
  • Modu aukeraketa: Switch between heating and cooling modes as needed.
Control panel for cooling and heating functions

Figure 5.1: Control panel for adjusting temperature and fan speed.

6. Mantentzea

  • Regularly inspect all hose connections for leaks or damage.
  • Keep the condenser and evaporator coils clean to ensure efficient heat exchange.
  • Check the refrigerant level periodically. If the cooling performance decreases, consult a qualified technician for inspection and recharging.
  • Ensure the drainage pipe is clear of obstructions to prevent water buildup.

7. Arazoak

Aire girotuarekin arazoak badituzu, jo ezazu honako arazo eta irtenbide ohikoenei:

  • Potentziarik gabe:
    • Egiaztatu bateriaren konexioak eta ziurtatu seguru daudela.
    • Verify the car battery voltage is sufficient (12V).
    • Inspect fuses in the wiring harness.
  • Hozte/berokuntza eskasa:
    • Check refrigerant level; low refrigerant can cause poor performance.
    • Ensure condenser and evaporator coils are clean and free of debris.
    • Verify that the fan is operating at the correct speed.
    • Check for any kinks or blockages in the refrigerant lines.
  • Ezohiko zarata:
    • Inspect the fan for any obstructions or loose components.
    • Ensure the unit is securely mounted to prevent vibrations.
  • Ur-ihesak:
    • Check the drain pipe for blockages or improper routing.
    • Ensure the evaporator unit is installed horizontally to allow proper drainage.

8. Zehaztapenak

EzaugarriZehaztapena
Marka IzenaTreeligo
Ereduaren informazioaBEU404-SET-03-3
Elementuaren pisua50 kilo
Produktuaren neurriak25 x 26 x 10 hazbete
EraginkortasunaOso eraginkorra
Edukiera50 kilo
Urteko Energia Kontsumoa800 kilowatt-ordu
Zarata Maila45 dezibelio
Instalazio motaZatiketa Sistema
Ezaugarri bereziakFast Cooling, Heating & Cooling Function, Remote Controlled
KoloreaBlack - Square Vent
liburukiatage12 Volt
Wattage792 watt
Hozte Potentzia12000 Britainia Handiko Unitate Termikoak
HozgarriaR-134A

9. Bermea eta Laguntza

This product includes a user manual. For specific warranty details and technical support, please refer to the documentation provided with your purchase or contact Treeligo customer service directly. Keep your purchase receipt for warranty claims.

© 2025 Treeligo. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.