Introdução
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Daikin 4-Zone Mini Split Air Conditioner Heat Pump system. The Daikin 4MXM-A Series R32 pre-charged outdoor condenser powers four independently controlled FTXV Series wall-mounted indoor fan coils, offering advanced climate control and energy efficiency. This Wi-Fi-enabled system integrates with the Daikin One Home app for convenient remote management.
Configuração e instalação
Instalação profissional necessária: For optimal performance and to ensure warranty validity, this Daikin Mini Split system must be installed by an HVAC-certified technician. Improper installation can lead to system malfunction, safety hazards, and void the manufacturer's warranty.
Componentes incluídos:
- 1 x 4MXM36AVJU9 Multi-Split 36,000 BTU Heat Pump Air Conditioner Outdoor Condenser
- 4 x FTXV Series Indoor Fan Coils with Remote Controls
- 4 x Maxwell 15 ft Pre-Flared Installation Kits with Interconnecting Cables
- 1 x Maxwell Wall Mounting Bracket for Outdoor Unit
Posicionamento da unidade externa:
Ensure the outdoor unit is placed on a stable, level surface or mounted securely using the provided bracket. Maintain adequate clearance around the unit for proper airflow and maintenance access.

This image provides a visual representation of the Daikin 4-Zone system, showing the dimensions of both the outdoor condenser unit and the indoor FTXV fan coil units. It also includes a detailed specification table for the system, outlining energy efficiency ratings, power supply, operational ranges, sound pressure levels, refrigerant type, and piping details.

The outdoor condenser unit features a durable design, including a Blue Fin Anti-Corrosion Treatment on the heat exchanger, which enhances its longevity and performance in various environmental conditions.
Instruções de operação
Modos de controle:
The system offers multiple operating modes for personalized comfort:
- Auto: Automatically selects heating or cooling based on the set temperature.
- Legal: Provides cooling to lower room temperature.
- Seco: Reduz a umidade no ambiente.
- Aquecer: Provides heating to raise room temperature.
- Apenas Ventilador: Circula o ar sem aquecer ou resfriar.
Características inteligentes:
- Conectividade Wi-Fi: Connect your system to your home Wi-Fi network.
- Daikin One Home App: Control and monitor your system remotely using the Daikin One Home app on your smartphone or tablet.
- Controle de voz: Compatible with Alexa and Google Home for convenient voice commands.
- Fluxo de ar ajustável: Utilize dual airflow and adjustable flaps/louvers to direct air for optimal comfort.
- Operação ECONO: An energy-saving mode that minimizes power consumption.
- Modo de operação potente: Delivers quick temperature adjustments for fast comfort.
- Operação silenciosa: Projetado para emitir o mínimo de ruído possível.
- LED Self-Diagnostics: Provides error codes or indicators for easy troubleshooting.

This diagram illustrates the key components of the FTXV Series indoor unit, including the air inlet, air outlet, adjustable flaps and louvers, and the control display. It also highlights the location of the 2-washable air filters and 2-Titanium Apatite deodorizing filters, essential for air quality and maintenance. The display shows indicators for ON/OFF, indoor temperature/humidity, Wireless LAN, Timer, and Operation.
Manutenção
Regular maintenance ensures the longevity and efficiency of your Daikin system. Always turn off the power supply to the unit before performing any maintenance.
Limpeza do filtro:
The indoor units are equipped with 2-Washable Air Filters e 2-Titanium Apatite Deodorizing Filters. These should be cleaned regularly (e.g., every two weeks or as needed) to maintain air quality and system performance. Refer to the indoor unit diagram in the Operating Instructions section for filter locations.
- Remova os filtros com cuidado.
- Wash washable filters with lukewarm water and mild detergent. Rinse thoroughly and allow to air dry completely before reinserting.
- Titanium Apatite Deodorizing Filters can be cleaned by vacuuming or rinsing with water. Replace these filters periodically as recommended by Daikin.
Cuidados com a unidade externa:
The outdoor condenser unit features a Blue Fin Anti-Corrosion Treatment on its heat exchanger, designed for enhanced durability. Keep the area around the outdoor unit clear of debris, leaves, and other obstructions to ensure proper airflow.
Manutenção profissional:
It is recommended to have your system inspected and serviced by a qualified HVAC technician annually to ensure optimal performance and address any potential issues.
Solução de problemas
Antes de entrar em contato com o serviço de assistência técnica, verifique os seguintes problemas comuns:
| Problema | Possível causa | Solução |
|---|---|---|
| A unidade não liga | No power supply, remote control batteries low, circuit breaker tripped. | Check power connection, replace remote batteries, reset circuit breaker. |
| Refrigeração/aquecimento insuficiente | Dirty air filters, blocked outdoor unit, incorrect mode setting, temperature setting too high/low. | Clean air filters, clear obstructions from outdoor unit, select appropriate mode, adjust temperature. |
| Ruído incomum | Peças soltas, objetos estranhos, ruídos normais de funcionamento (ex.: fluxo de refrigerante). | Inspect for loose parts, remove foreign objects. If noise persists or is abnormal, contact service. |
| Vazamento de água da unidade interna | Mangueira de drenagem entupida, instalação incorreta. | Check and clear drain hose. For persistent leaks or installation issues, contact a professional. |
If the problem persists after attempting these solutions, or if an error code is displayed, please contact a qualified HVAC technician for assistance.
Especificações
| Recurso | Detalhe |
|---|---|
| Marca | DAIKIN |
| Informações do modelo | 4MXM36AVJU9 (Outdoor Unit) + FTXV09/09/09/12 (Indoor Units) |
| Capacidade de resfriamento | 34,200 BTU (12,500 BTU mínimo – 37,000 BTU máximo) |
| Capacidade de aquecimento | 34,600 BTU (9,900 BTU mínimo – 43,000 BTU máximo) |
| Classificação SEER2 | 20 |
| Classificação HSPF2 | 9.5 |
| Classificação EER2 | 10 |
| POLICIAL | 1.8 |
| Tipo de refrigerante | R-32 |
| Fonte de energia | 1Ph, 60 Hz, 208-230V |
| Faixa de operação (resfriamento) | 14°F a 115°F |
| Faixa de operação (aquecimento) | 5°F a 59.9°F |
| Nível de ruído (exterior) | 56 dB(A) |
| Nível de ruído (em ambiente interno) | 22 dB(A) |
| Dimensões da unidade externa (C x L x A) | 1 x 1 x 1 polegadas (dimensões do produto) |
| Peso da Unidade Externa | 140 libras |
| Max Floor Area Coverage | 1750 pés quadrados |
| Características especiais | Fluxo de ar 3D, Troca automática de modo, Descongelamento automático, Programa de secagem, Sensor inteligente, Função de aquecimento rápido, Funcionamento silencioso |
Informações de garantia
This Daikin Mini Split system includes a GARANTIA DO FABRICANTE DE 12 ANO. To ensure the validity of this warranty, the system must be installed by an HVAC-certified technician. Please retain your proof of purchase and installation records for warranty claims.
Suporte ao cliente
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Daikin customer support or your certified HVAC installer. You can find contact information on the official Daikin website ou na documentação fornecida com o seu produto.





