Air Conditioner 2x1 with WiFi Daikin Perfera 2MXM50A 2.5 kW + 3.5 kW

The Daikin Perfera 2x1 multisplit air conditioner with WiFi, 2.5 kW + 3.5 kW is a climate control system designed to provide cooling and heating in two rooms using a single outdoor unit. This set combines a Daikin Perfera FTXM25B indoor unit of 2.5 kW, an FTXM35B indoor unit of 3.5 kW, and a Daikin 2MXM50A8 outdoor unit with a nominal cooling capacity of 5.0 kW.

Thanks to its Inverter technology, heat pump with R-32 refrigerant and WiFi connectivity, it allows you to enjoy a comfortable temperature all year round. Each indoor unit has independent control of temperature, fan speed and scheduling, making it easy to adapt the air conditioning to the needs of each room.

The Daikin Perfera range stands out for incorporating advanced air treatment technologies, such as Flash Streamer, two-zone intelligent motion sensor and 3D air flow distribution. Its quiet operation and energy-saving functions make this system a particularly interesting option for homes, apartments, bedrooms, living rooms, offices and small workplaces.

Composition of the Daikin Perfera 2x1 air conditioner

This multisplit set is made up of the following equipment:

• 1 Daikin Perfera FTXM25B indoor unit: wall-mounted unit with 2.5 kW cooling class, equivalent to approximately 8,530 BTU/h, commercially 9000 BTU. It features WiFi connectivity, quiet operation, intelligent presence sensor and Flash Streamer technology.
• 1 Daikin Perfera FTXM35B indoor unit: wall-mounted unit with 3.5 kW cooling class, equivalent to approximately 11,940 BTU/h, commercially 12000 BTU. Suitable for living rooms, dining rooms, large bedrooms and other rooms with higher thermal needs.
• 1 Daikin 2MXM50A8 outdoor unit: Inverter multisplit unit with two independent refrigerant connections, R-32 refrigerant and a nominal capacity of 5.0 kW in cooling and 5.6 kW in heating.
• 2 Daikin ARC466A93 wireless remote controls: one for each indoor unit, allowing individual control of temperature and the main air conditioning functions.

This configuration allows two spaces to be air conditioned using a single outdoor unit, reducing the space occupied on facades, balconies and terraces compared with installing two independent split systems.

Main advantages of the Daikin Perfera 2x1 air conditioner

Independent air conditioning for two rooms

The Daikin Perfera multisplit system allows the two indoor units to be regulated separately, adjusting the temperature, fan speed and operating schedules according to the needs of each room.

For example, the 2.5 kW FTXM25B unit can be installed in a bedroom or office, while the 3.5 kW FTXM35B unit is intended for a living room, dining room or larger bedroom.

Both units can operate simultaneously, although they must work in the same general cooling or heating mode. It is not possible to cool one room while heating the other.

This configuration is especially interesting for homes that need different temperatures in each room, as it allows you to take advantage of a single outdoor unit without giving up individual control.

Smart WiFi control via Daikin Onecta

The Daikin Perfera FTXM25B and FTXM35B indoor units feature WiFi connectivity so you can manage the air conditioning from a smartphone or tablet using the Daikin Onecta app.

The app allows you to control each indoor unit independently from anywhere with an Internet connection, making it easy to manage the air conditioner even when you are not at home.

Its main functions include:

• Individual on/off control of each indoor unit.
• Independent temperature adjustment for each room.
• Selection of cooling, heating, fan and dehumidification modes.
• Adjustment of fan speed and air distribution.
• Setting schedules and weekly programming.
• Access to the energy monitoring functions available in the app.
• Control of the main functions through compatible voice assistants, such as Amazon Alexa and Google Assistant.

WiFi control makes it easy to adapt operation to the daily habits of the occupants, avoiding unnecessary consumption in rooms that are not being used.

Flash Streamer technology to improve air quality

The Daikin Perfera indoor units incorporate Flash Streamer technology, an air treatment system that uses high-speed electron discharge and is designed to help reduce certain allergens and odours present in the environment.

This technology is complemented by different filtration elements:

• Silver particle filter: helps capture certain allergens, such as pollen and dust mites.
• Titanium apatite deodorising filter: helps reduce unpleasant odours.
• Air filter: traps dust particles present in the air circulating through the unit.

The combination of these technologies helps improve indoor air quality and provide a more comfortable environment in air-conditioned rooms.

To maintain the performance of the filtration system, it is recommended to clean and maintain the filters according to Daikin’s instructions.

Two-zone intelligent motion sensor

The indoor units include a two-zone intelligent presence sensor that detects the location of people within the room and adjusts the direction of the airflow to reduce direct drafts on occupants.

When no presence is detected for a certain period, the system can automatically activate energy-saving operation, helping to reduce electricity consumption.

This technology improves comfort without the need to constantly adjust the temperature from the remote control.

Even air distribution with Comfort+ and 3D airflow

Daikin’s Comfort+ technology uses dual flaps to improve air distribution in the room and promote a homogeneous temperature.

In addition, the 3D air flow combines automatic vertical and horizontal movement to distribute cold or warm air throughout different areas of the room.

These functions help reduce temperature differences within the room and provide greater thermal comfort during operation.

Ultra-quiet operation at just 19 dB(A)

One of the main features of the Daikin Perfera range is its quiet operation. Both the FTXM25B and FTXM35B indoor units reach a minimum sound pressure of 19 dB(A) in quiet cooling mode.

In heating mode, both units can operate with a minimum sound pressure of 20 dB(A).

These sound levels make them a particularly suitable option for bedrooms, children’s rooms, offices and other spaces where discreet air conditioning is desired.

Comfort and energy-saving functions

The Daikin Perfera indoor units include different functions to adapt operation to the needs of each moment:

• Powerful mode: temporarily increases performance to reach the selected temperature more quickly.
• Econo mode: limits the unit’s maximum electrical consumption.
• Quiet mode: reduces fan speed to minimise operating noise.
• Night mode: adapts operation during rest hours.
• Dehumidification: helps reduce ambient humidity.
• Fan mode: allows air to circulate in the room without activating cooling or heating.
• Weekly timer: makes it easy to set personalised operating schedules.
• Auto restart: restores previous settings after a power interruption.
• Temperature limit: allows you to set regulation limits to avoid excessively high or low temperatures.
• Energy saving in standby: helps reduce consumption when the unit remains in standby mode, depending on the installation configuration.

Cooling and heating capacity of the Daikin Perfera 2x1 set

The system combines a 2.5 kW class indoor unit and a 3.5 kW class indoor unit, whose sum of individual capacities is 6.0 kW. However, the combined nominal cooling capacity when both units operate simultaneously is 5.0 kW, determined by the performance of the Daikin 2MXM50A8 outdoor unit.

The available power is distributed between the indoor units depending on which ones are operating, the thermal demand and the environmental conditions.

Cooling capacity

According to Daikin’s official technical tables for the 2MXM50A8 outdoor unit and the 2.5 + 3.5 kW class combination, the nominal reference values are:

• Minimum cooling capacity: 1.8 kW.
• Nominal cooling capacity: 5.0 kW, approximately 17,060 BTU/h.
• Maximum cooling capacity: 5.4 kW.
• Minimum electrical consumption in cooling: 0.33 kW.
• Nominal electrical consumption in cooling: 1.23 kW.
• Maximum reference electrical consumption in cooling: 1.43 kW.
• Calculated nominal EER: approximately 4.07.

When both indoor units operate simultaneously under nominal conditions, the cooling capacity split is:

• FTXM25B 2.5 kW unit: 2.08 kW.
• FTXM35B 3.5 kW unit: 2.92 kW.

When only one indoor unit is operating, the available power adapts to the demand of that room, within the operating limits of the system.

Heating capacity

The reversible heat pump allows the system to be used during the colder months, with a combined nominal heating capacity of 5.6 kW.

• Minimum heating capacity: 1.2 kW.
• Nominal heating capacity: 5.6 kW, approximately 19,110 BTU/h.
• Maximum heating capacity: 6.0 kW.
• Minimum electrical consumption in heating: 0.25 kW.
• Nominal electrical consumption in heating: 1.38 kW.
• Maximum reference electrical consumption in heating: 1.48 kW.
• Calculated nominal COP: approximately 4.06.

The nominal heating capacity split when both indoor units operate simultaneously is:

• FTXM25B 2.5 kW unit: 2.33 kW.
• FTXM35B 3.5 kW unit: 3.27 kW.

These values come from Daikin’s official tables for the 25 + 35 class combination with the 2MXM50A8 outdoor unit. The capacities refer to standard test conditions and actual performance may vary depending on outdoor temperature, thermal demand and installation characteristics.

Energy efficiency of the Daikin Perfera 2x1 air conditioner

The system uses Inverter technology to regulate compressor speed according to air conditioning needs, avoiding unnecessary starts and stops and promoting efficient electricity consumption.

The Daikin 2MXM-A8 outdoor range offers energy efficiencies of up to A+++ in cooling and A++ in heating, depending on the combination of indoor units selected.

Its main energy features include:

• Maximum reference energy class of the range in cooling: A+++.
• Maximum reference energy class of the range in heating: A++.
• Nominal cooling capacity of the set by capacity classes: 5.0 kW.
• Nominal heating capacity of the set by capacity classes: 5.6 kW.
• Reference nominal electrical consumption in cooling: 1.23 kW.
• Reference nominal electrical consumption in heating: 1.38 kW.
• Technology: Inverter with Swing compressor.
• Refrigerant: R-32.
• Independent control: allows you to use only the room that needs air conditioning.
• Econo mode: helps limit maximum electrical consumption.

SEER and SCOP indicators express the seasonal energy performance of air conditioning equipment. The higher their value, the greater the amount of thermal energy supplied per unit of electrical energy consumed under standardised calculation conditions.

Important about energy efficiency: the A+++ and A++ ratings correspond to the maximum values published for the Daikin 2MXM-A8 outdoor range, not to a specific energy label for the FTXM25B + FTXM35B + 2MXM50A8 set. The final classification and the SEER and SCOP values for these exact references must be confirmed using Daikin’s official energy documentation.

Technical features of the Daikin FTXM25B 2.5 kW indoor unit

The Daikin Perfera FTXM25B indoor unit is a compact wall-mounted unit, suitable for air conditioning bedrooms, children’s rooms, offices and other rooms with moderate thermal needs.

• Brand: Daikin.
• Series: Perfera.
• Reference: FTXM25B.
• Quantity: 1 unit.
• Type: wall-mounted indoor unit.
• Color: white.
• Cooling capacity class: 2.5 kW.
• Cooling equivalent: approximately 8,530 BTU/h, commercially 9000 BTU.
• Dimensions (H × W × D): 298 × 804 × 252 mm.
• Weight: 11.5 kg.
• Nominal electrical consumption of the indoor unit in cooling: 0.019 kW.
• Nominal electrical consumption of the indoor unit in heating: 0.018 kW.
• Airflow in cooling (high/medium/low/quiet): 11.9 / 8.9 / 6.3 / 4.9 m³/min.
• Airflow in heating (high/medium/low/quiet): 11.4 / 9.2 / 6.9 / 4.9 m³/min.
• Sound pressure in cooling (high/medium/low/quiet): 41 / 33 / 25 / 19 dB(A).
• Sound pressure in heating (high/medium/low/quiet): 39 / 34 / 27 / 20 dB(A).
• Sound power in cooling: 54 dB(A).
• Sound power in heating: 53 dB(A).
• Liquid refrigerant connection: 1/4" (6.4 mm).
• Gas refrigerant connection: 3/8" (9.5 mm).
• Condensate drain connection: 16 mm.
• Wireless remote control: ARC466A93.
• Connectivity: WiFi via Daikin Onecta.
• Comfort technologies: Comfort+, two-zone intelligent motion sensor and 3D airflow.
• Air treatment: Flash Streamer, silver particle filter and titanium apatite deodorising filter.
• Additional functions: Powerful mode, Econo mode, quiet operation, fan, dehumidification and weekly timer.

Technical features of the Daikin FTXM35B 3.5 kW indoor unit

The Daikin Perfera FTXM35B indoor unit has a 3.5 kW cooling capacity class, making it especially interesting for living rooms, dining rooms, large bedrooms and other rooms with greater air conditioning needs.

• Brand: Daikin.
• Series: Perfera.
• Reference: FTXM35B.
• Quantity: 1 unit.
• Type: wall-mounted indoor unit.
• Color: white.
• Cooling capacity class: 3.5 kW.
• Cooling equivalent: approximately 11,940 BTU/h, commercially 12000 BTU.
• Dimensions (H × W × D): 298 × 804 × 252 mm.
• Weight: 11.5 kg.
• Nominal electrical consumption of the indoor unit in cooling: 0.029 kW.
• Nominal electrical consumption of the indoor unit in heating: 0.019 kW.
• Airflow in cooling (high/medium/low/quiet): 13.2 / 9.4 / 7.1 / 4.6 m³/min.
• Airflow in heating (high/medium/low/quiet): 11.1 / 9.4 / 6.9 / 5.1 m³/min.
• Sound pressure in cooling (high/medium/low/quiet): 45 / 37 / 29 / 19 dB(A).
• Sound pressure in heating (high/medium/low/quiet): 39 / 35 / 28 / 20 dB(A).
• Sound power in cooling: 58 dB(A).
• Sound power in heating: 53 dB(A).
• Liquid refrigerant connection: 1/4" (6.4 mm).
• Gas refrigerant connection: 3/8" (9.5 mm).
• Condensate drain connection: 16 mm.
• Wireless remote control: ARC466A93.
• Connectivity: WiFi via Daikin Onecta.
• Comfort technologies: Comfort+, two-zone intelligent motion sensor and 3D airflow.
• Air treatment: Flash Streamer, silver particle filter and titanium apatite deodorising filter.
• Additional functions: Powerful mode, Econo mode, quiet operation, fan, dehumidification and weekly timer.

Technical features of the Daikin 2MXM50A8 outdoor unit

The Daikin 2MXM50A8 outdoor unit is a multisplit heat pump with Inverter technology, designed to connect two compatible indoor units through independent refrigerant circuits.

It features a hermetically sealed Swing compressor that adapts its operation to the thermal demand of the rooms, providing cooling and heating using R-32 refrigerant.

• Brand: Daikin.
• Reference: 2MXM50A8.
• Full technical reference: 2MXM50A2V1B8.
• Type: 2x1 multisplit outdoor unit.
• Number of connections for indoor units: 2.
• Nominal cooling capacity: 5.0 kW.
• Nominal heating capacity: 5.6 kW.
• Maximum total capacity of connectable indoor classes: 8.5 kW.
• Sum of the indoor unit classes in this set: 6.0 kW.
• Technology: Inverter.
• Compressor: Hermetically sealed Swing compressor.
• Refrigerant: R-32.
• Factory refrigerant charge: 1.15 kg.
• Global warming potential (GWP): 675.
• CO₂ equivalent of the factory charge: approximately 0.78 tonnes.
• Dimensions (H × W × D): 552 × 852 × 350 mm.
• Weight: 41 kg.
• Nominal sound pressure in cooling: 48 dB(A).
• Nominal sound pressure in heating: 50 dB(A).
• Nominal airflow in cooling: approximately 37 m³/min.
• Power supply: single-phase, 220-240 V, 50 Hz.
• Manufacturer’s reference supply current: 13.3 A.
• Recommended circuit breaker in the manual: 16 A, subject to electrical calculation and current regulations.
• Outdoor operating temperature in cooling: from -10 °C to +50 °C.
• Heating operation: prepared to work at low outdoor temperatures, down to -20 °C according to Daikin’s specified conditions.
• Maximum pipe length per indoor unit: 20 metres.
• Maximum total refrigerant pipe length: 30 metres.

The outdoor unit uses R-32 refrigerant, whose global warming potential is lower than that of R-410A. Installation must comply with the safety and refrigerant handling conditions established by the manufacturer.

Refrigerant connections of the Daikin Perfera 2x1

The Daikin Perfera 2x1 multisplit air conditioner has two independent refrigerant circuits that connect the FTXM25B and FTXM35B indoor units to the 2MXM50A8 outdoor unit.

Connection diameters of the indoor units

• Daikin FTXM25B 2.5 kW unit: 1/4" (6.4 mm) liquid connection and 3/8" (9.5 mm) gas connection.
• Daikin FTXM35B 3.5 kW unit: 1/4" (6.4 mm) liquid connection and 3/8" (9.5 mm) gas connection.

Connection diameters of the outdoor unit

The Daikin 2MXM50A8 outdoor unit has two refrigerant ports with the following diameters:

• Port A: 1/4" (6.4 mm) liquid connection and 3/8" (9.5 mm) gas connection.
• Port B: 1/4" (6.4 mm) liquid connection and 1/2" (12.7 mm) gas connection.

Important about the connections: the two indoor units in this set have 3/8" gas connections, while port B of the outdoor unit has a 1/2" diameter. For this reason, the corresponding refrigerant reducers will be required to adapt the 1/2" gas connection to 3/8" in that circuit.

According to Daikin’s official manual for the 2MXM50A8 outdoor unit, adapting port B for a class 25 or 35 indoor unit is done using the reducers identified as 1 and 2.

The outdoor unit includes a reducer set among its standard accessories. However, the installer must check that the necessary parts are available and follow the connection diagram authorised by Daikin.

It will also be necessary to verify the correspondence between the refrigerant and electrical connections of each indoor unit to avoid connection errors during commissioning.

Maximum pipe length and permitted height differences

To ensure the correct operation of the Daikin Perfera 2x1 system, the installation must respect the maximum refrigerant pipe lengths and height differences established by Daikin.

• Maximum pipe length per indoor unit: 20 metres.
• Maximum total refrigerant pipe length: 30 metres, adding both runs.
• Minimum pipe length per indoor unit: 3 metres.
• Maximum height difference between outdoor and indoor units when the outdoor unit is above: 15 metres.
• Maximum height difference between indoor units when the outdoor unit is above: 7.5 metres.
• Maximum height difference between outdoor and indoor units when the outdoor unit is below: 7.5 metres.
• Maximum height difference between indoor units when the outdoor unit is below: 15 metres.
• Total length covered by the factory refrigerant charge: 20 metres of liquid pipe.
• Additional refrigerant charge: 20 grams per additional metre when the total run exceeds 20 metres, applying Daikin’s specified calculation and rounding procedure.

For example, an installation can be made with a 10-metre refrigerant run to the FTXM25B unit and another 15-metre run to the FTXM35B, resulting in a total length of 25 metres. This distribution respects the manufacturer’s length limits, although the height differences and the rest of the technical conditions must also be checked.

In this example, the additional refrigerant calculation would be 100 grams of R-32, following the installation manual instructions.

The refrigerant length is calculated by taking as reference the one-way run of the liquid pipe between the units, without adding the gas pipe length of the same circuit again.

Insulation of the refrigerant pipes

Daikin establishes specific requirements for the thermal insulation of refrigerant pipes, in order to reduce energy losses and prevent condensation.

• 1/4" liquid pipes: minimum insulation thickness of 10 mm.
• 3/8" gas pipes: minimum insulation thickness of 13 mm.
• 1/2" gas pipes, when used: minimum insulation thickness of 13 mm.
• Material: polyethylene foam suitable for refrigeration installations, with thermal resistance of at least 120 °C.
• Refrigerant pipes: seamless copper, phosphorus-deoxidised and suitable for R-32 refrigerant.
• Minimum wall thickness for 1/4", 3/8" and 1/2" pipes: 0.8 mm, subject to applicable regulatory and pressure requirements.

When the ambient temperature exceeds 30 °C and relative humidity is above 80%, Daikin specifies a minimum insulation thickness of 20 mm to prevent surface condensation.

The installer must also check the correct condensate drainage, electrical supply conditions and the necessary clearances around the outdoor unit.

What spaces is the Daikin Perfera 2x1 2.5 + 3.5 kW recommended for?

The Daikin Perfera 2x1 multisplit 2.5 + 3.5 kW is especially interesting for homes and offices that need to air condition two rooms with different thermal needs.

A common layout may consist of installing the 2.5 kW FTXM25B unit in a bedroom, children’s room or office, while the 3.5 kW FTXM35B unit is intended for a living room, dining room or larger bedroom.

The area that each unit can air condition will depend on insulation, orientation, ceiling height, glazed surface, occupancy and the building’s climatic conditions.

It should also be noted that when both indoor units operate simultaneously, the available power is distributed according to the system’s total capacity, 5.0 kW in cooling and 5.6 kW in heating.

To ensure proper sizing, it is recommended that a professional calculate the cooling and heating needs of each room before installation.

Installation and required materials

The Daikin Perfera 2x1 set consists of a FTXM25B indoor unit, a FTXM35B indoor unit and a 2MXM50A8 outdoor unit, together with their corresponding remote controls and the standard accessories supplied by the manufacturer.

The materials required for installation are not included in the stated composition of the set. Depending on the characteristics of each home or premises, copper refrigerant piping, insulation, electrical and interconnection wiring, condensate drain piping, trunking, outdoor unit supports and fastening elements will be required.

It will also be necessary to check the correct use of the refrigerant reducers to adapt the gas connection of port B on the outdoor unit and verify the correspondence between the refrigerant and electrical circuits of both indoor units.

The installation must respect the maximum pipe lengths, height differences, power supply conditions and commissioning instructions established by Daikin.

The installation must be carried out by qualified professionals certified to work with air conditioning equipment using fluorinated gases, in compliance with current regulations and the manufacturer’s official technical instructions.

With its ability to air condition two rooms, independent WiFi control, Inverter technology, quiet operation and advanced air treatment technologies, the Daikin Perfera multisplit 2x1 air conditioner FTXM25B + FTXM35B + 2MXM50A8 offers a versatile air conditioning solution for enjoying cooling and heating all year round.