Mitsubishi Electric Split-Type Air Conditioners

Product Overview

This document provides essential operating instructions and specifications for Mitsubishi Electric Split-Type Air Conditioners, Indoor Unit models MSZ-FT25VGK2, MSZ-FT35VGK2, and MSZ-FT50VGK2.

For complete operating and installation manuals, please visit the Mitsubishi Electric website at www.mitsubishielectric.com/ldg/ibim/ and select your preferred language.

Safety Precautions

Please read the following precautions carefully before operating the unit. Failure to follow these instructions may result in serious injury, death, or property damage.

General Warnings

• WARNING: This unit uses a flammable A2L refrigerant. In case of leakage, avoid contact with fire or hot surfaces to prevent hazardous gas formation and fire risk.
• WARNING: Never attempt to install, modify, or repair the unit yourself. Contact a qualified dealer for any service needs.
• WARNING: Ensure the power cord is not damaged, kinked, or overloaded. A damaged cord can cause fire or electric shock.
• WARNING: Do not operate the unit with wet hands.
• WARNING: Always unplug the unit before cleaning or maintenance.
• WARNING: Do not insert fingers or foreign objects into air inlets or outlets. The fan rotates at high speed. ?
• WARNING: If any unusual symptoms occur (e.g., burning smell), stop operation immediately and switch off the power. Contact your dealer.
• WARNING: Ensure proper ventilation when operating the unit in a room with combustion appliances.
• WARNING: Do not use extension cords or multi-plug adapters.
• WARNING: Ensure the power plug is clean and firmly inserted into the socket.
• WARNING: Do not operate the unit for extended periods with direct exposure to cool air, as it may affect health.
• WARNING: If the power cord is damaged, it must be replaced by the manufacturer or its service agent to avoid hazards.
• WARNING: When installing or servicing, ensure no substance other than the specified refrigerant (R32) enters the refrigerant circuit. Other substances can cause abnormal pressure rise, leading to explosion or injury.
• WARNING: Using a refrigerant other than the specified one can cause mechanical damage, malfunction, or product failure, potentially compromising safety.
• WARNING: This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
• WARNING: Keep batteries away from children. If swallowed, seek immediate medical attention.
• WARNING: Do not puncture or incinerate batteries.

General Cautions

• CAUTION: Do not place other electrical appliances or furniture directly below the indoor/outdoor unit, as dripping water may cause damage or malfunction.
• CAUTION: Do not operate the unit for more than 4 hours in high humidity or with open flames/heating appliances nearby, as this can cause condensation and potential damage.
• CAUTION: Do not use the unit for special purposes such as preserving precision instruments or art objects, as it may lead to deterioration or harm to pets/plants.
• CAUTION: Do not expose pets or plants to direct airflow.
• CAUTION: Do not use flammable sprays near the unit.
• CAUTION: Do not step on the outdoor unit or place heavy objects on it.
• CAUTION: When cleaning, ensure the unit is switched off and unplugged.
• CAUTION: If the unit is not used for a long period, unplug it to prevent dust accumulation that could cause overheating or fire.
• CAUTION: Replace all remote control batteries with new ones of the same type. Mixing old and new batteries can lead to overheating or leakage.
• CAUTION: Do not use water with a temperature above 50°C for cleaning.
• CAUTION: Do not dry parts in direct sunlight, heat, or open flame.
• CAUTION: Do not apply excessive force to the fan, as it may cause cracks or breakage.
• CAUTION: Ensure good ventilation if the unit is operated in a room with combustion appliances.
• CAUTION: Do not operate the unit after applying floor protection agents, as residues may adhere to the unit and cause leaks.
• CAUTION: If you hear thunder, switch off the power to protect the unit from lightning strikes.
• CAUTION: Clean filters regularly for optimal performance and energy saving. Dirty filters can lead to condensation and mold growth. It is recommended to clean air filters every 2 weeks.

Parts Identification

Indoor Unit Components

The indoor unit typically includes:

• Front Panel: Houses the air outlet and controls.
• Air Inlet: Located at the top/back of the unit.
• Air Outlet: Where conditioned air is discharged.
• Air Filter: Captures dust and particles.
• Fan: Circulates air.
• Heat Exchanger: Transfers heat to/from the refrigerant.
• Wi-Fi Interface (optional): For network connectivity.
• Remote Control Sensor: Receives signals from the remote.
• Operation Indicator Light: Shows the unit's status.

Outdoor Unit Components

The outdoor unit typically includes:

• Air Inlet/Outlet: For heat exchange with ambient air.
• Refrigerant Pipes: Connect the indoor and outdoor units.
• Condensate Drain Pipe: Removes moisture.
• Wi-Fi Interface (optional): For network connectivity.

Remote Control

The remote control allows operation of the air conditioner. Key functions include:

• Power Button: Turns the unit ON/OFF.
• Mode Selection: Choose between Cooling, Heating, Fan, Dry, Auto.
• Temperature Control: Adjusts the set temperature.
• Fan Speed Control: Selects fan speed (e.g., Auto, Low, Medium, High, Powerful).
• Timer Functions: Set ON/OFF timers and weekly timers.
• Horizontal/Vertical Vane Control: Adjusts airflow direction.
• ECONO-COOL, POWERFUL, i-save, NIGHT MODE buttons: For specific operating modes.

Technical Specifications

Key specifications for the indoor units are provided below:

Note: Noise levels are listed as Super High/High/Medium/Low/Silent.

Wi-Fi Interface

The optional Wi-Fi interface (Model: MAC-597IFB-E) allows for communication with the MELCloud service for remote monitoring and control.

Key specifications:

• Input Voltage: DC12.7 V (from indoor unit)
• Power Consumption: MAX. 2 W
• Dimensions: 73.5×41.5×18.5 mm
• Radio Protocol: IEEE 802.11b/g/n (20)
• Encryption: AES
• Authentication: WPA2-PSK

For setup and more information, download the MELCloud app or visit www.melcloud.com.

Disposal Information

This symbol ♻️ indicates that electrical and electronic equipment, as well as batteries and accumulators, must be disposed of separately from household waste at the end of their service life. Please dispose of this product, batteries, and accumulators responsibly at your local collection point or recycling center to help protect the environment.

Declarations of Conformity

The document includes UK and EU Declarations of Conformity, confirming that the air conditioners comply with relevant Union harmonisation legislation, including the Radio Equipment Directive and Machinery Directive.