Samsung CAC WindFree 1-Way Cassette Indoor Unit

Climate comfort with a slim device

At a height of only 135 mm¹, the WindFree™ 1‑Way Cassette is a compact and lightweight device (8–13.5 kg). This slim design makes it not only visually pleasing but also easier to install and maintain, and it can be fitted into small gaps or ceilings.

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Maximal comfort

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No cold drafts

The WindFree 1‑Way Cassette uses WindFree™ Cooling and directs air through tiny holes in the panel, dispersing a gentle flow of air. These 13,000 micro‑holes are essential for creating a type of airflow called “Still Air²”, which cools the room gradually and noticeably without drafts.

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Air Purification Panel

The WindFree 1‑Way Cassette is made of a three filter purification system the Pre‑Filter, Deodorization Filter³ and the PM1.0 Filter.

- The Pre‑Filter captures larger dust particles, stopping them from entering the air conditioning unit.

- The deodorization filter captures certain unpleasant odours.

- The PM1.0 Filter not only effectively captures ultrafine dust, but also inactivates certain types of bacteria that are captured such as E. Coli⁴.

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Smart Comfort Operation

The WindFree 1‑Way Cassette has a humidity sensor as well as a temperature sensor⁵. It continually monitors both the temperature and relative humidity and analyzes the room conditions. It then automatically switches between operating modes to keep everyone feeling really comfortable without the need for any manual control.

Smart Control

You can control the temperature at home, anytime and anywhere. The SmartThings App⁶ enables users to remotely control their air conditioner. With just the touch of a button, you can turn the air conditioner on or off, select the cooling mode, schedule the air conditioner’s operation and monitor its power consumption.

Connectivity SmartThings Thats Smart 2025 AI Energy mode image no text

SolarCell Remote Controller

Samsung introduces the SolarCell Remote controller to its air conditioning line-up as an option. The new SolarCell remote controller focuses on innovative charging, slim design and easy usability features. The SolarCell remote controller does not need batteries; instead a solar panel is integrated on the back of the remote controller that allows charging by exposing it under direct light.

A single, fully charged battery can last up to two years, making it an economical alternative to disposable batteries. In addition, there is also a USB-C port on the bottom of the remote control for fast charging. It has better grip, easier button controls, large OLED display and it is lightweight⁷.

Product Comparison

Specifications

Energy Label Cooling Range SEER	A+ - A++	A++
Energy Label Heating Range SCOP	A+	A++
refrigerant fluid	R32	R32
Capacity Cold (kw) Cooling (Nominal)	7.1 - 10 - 12 - 13.4	5 - 7.1 - 10 - 12 - 13.4
Capacity Warm (kw) Heating at +7 C	8 - 11.2 - 13.2 - 15.5	6 - 8 - 11.2 - 13.2 - 15.5
Dimensions Indoor Unit (W x H x D)	947 x 281 x 947	947 x 281 x 947
Weight (Kg) Indoor Unit	20.2 - 23.5 - 23.5 - 25.5	20.2 - 25.5

Functions

Airflow	360	360
Colors	Black & White	Black & White
Windfree	Yes	Yes
Motion Sensor Detector	Optional	Optional
SmartThings	Optional	Optional
Filter PM1.0	Optional	Optional
100% heating capacity at minus 15 C	X	Yes
Operation range from minus 25 C until 52 C	X	Yes

Download the product information sheet for more technical data

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Product Specifications

Features
Features
features
- Type
  2.6kW-1Φ-Slim 1way
Model Name
Model Name
model_name
- Indoor Unit
  AC026RN1DKG/EU
- Outdoor Unit
  AC026RXADKG/EU
System
System
system
- Mode
  HEAT PUMP
Capacity
Capacity
capacity
- Cooling [kW]
  0.82 / 2.60 / 3.80 kW
- Heating [kW]
  0.98 / 3.30 / 4.40 kW
Power Input
Power Input
power_input
- Cooling 1)
  0.17 / 0.72 / 1.16 kW
- Heating 2)
  0.20 / 1.01 / 1.45 kW
Current Input
Current Input
current_input
- Cooling (℃)
  1.2 / 3.8 / 5.4 A
- Heating (℃)
  1.4 / 5.0 / 7.0 A
Power
Power
power
- MCA
  11.0 A
- MFA
  12.5 A
Energy Efficiency
Energy Efficiency
energy_efficiency
- Energy Grade (Cooling) (A+++ - D)
  SEER 6.4 (A++)
- Energy Grade (Heating) (A+++ - D)
  SCOP 4.0 (A+)
Piping Connections
Piping Connections
piping_connections
- Liquid Pipe (Ø, mm)
  6.35 mm
- Liquid Pipe (Ø, inch)
  1/4"
- Gas Pipe (Ø, mm)
  9.52 mm
- Gas Pipe (Ø, inch)
  3/8"
- Installation Max. Length [m]
  20 m
- Installation Max. Height [m]
  15 m
Field Wiring
Field Wiring
field_wiring
- Transmission Cable
  0.75↑
Refrigerant
Refrigerant
refrigerant
- Type
  R32(Contains fluorinated greenhouse gases, GWP=675)
- Factory Charging (kg)
  0.90 kg
- Factory Charging (tCO2e)
  0.61 tCO2e
- Control Method
  EEV
Power Supply (Indoor Unit) [Φ, #, V, Hz]
Power Supply (Indoor Unit) [Φ, #, V, Hz]
power_supply_indoor_unit___v_hz
- 1,2,220-240,50
Fan
Fan
fan
- Type
  Crossflow Fan
- Air Flow Rate (High / Mid / Low) [m3/min]
  7.3/6.5/5.8 CMM
- Motor (Output) [W]
  27 W
- Number of Unit (EA)
  1 EA
Drain
Drain
drain
- Drain Pipe (Ø,mm)
  VP20(OD26/ID20) mm
Sound
Sound
sound
- Sound Pressure Level (High / Mid / Low) [dB(A)]
  32 / 29 / 26 dBA
- Sound Power Level (Cooling) [dB(A)]
  52 dBA
External Dimension (Indoor Unit)
External Dimension (Indoor Unit)
external_dimension_indoor_unit
- Net Weight (kg)
  9.2 kg
- Net Dimensions (WxHxD) (mm)
  970 x 135 x 410 mm
Panel
Panel
panel
- Model Name
  PC1NWFMAN
- Net Weight (kg)
  4.3 kg
- Shipping Weight (kg)
  6.3 kg
- Net Dimensions (WxHxD) (mm)
  1198 x 35 x 500 mm
- Shipping Dimensions (WxHxD) (mm)
  1262 x 122 x 566 mm
Additional Accessories
Additional Accessories
additional_accessories
- Drain Pump
  Built In
- Drain Pump Max. Lifting Height/Displacement
  750/24
Power Supply (Outdoor Unit) [Φ, #, V, Hz]
Power Supply (Outdoor Unit) [Φ, #, V, Hz]
power_supply_outdoor_unit___v_hz
- 1,2,220-240,50
Fan (Outdoor Unit)
Fan (Outdoor Unit)
fan_outdoor_unit
- Air Flow Rate (Cooling) [m3/min]
  30 CMM
Sound (Outdoor Unit)
Sound (Outdoor Unit)
sound_outdoor_unit
- Sound Pressure (Cooling / Heating) [dB(A)]
  46/47 dBA
- Sound Power Level (Cooling) [dB(A)]
  59 dBA
External Dimension (Outdoor Unit)
External Dimension (Outdoor Unit)
external_dimension_outdoor_unit
- Net Weight (kg)
  32.5 kg
- Net Dimensions (WxHxD) (mm)
  790 x 548 x 285 mm
Operating Temp. Range
Operating Temp. Range
operating_temp_range
- Cooling (°C)
  -15 ~ 46 ℃
- Heating (°C)
  -20 ~ 24 ℃
Smart
Smart
smart
- WiFi Kit
  Yes
App Connectivity
App Connectivity
app_connectivity
- SmartThings App Support
  Yes

Disclaimers

1. 135 mm is the height of the unit until the ceiling tile. 145 mm is the height including the ceiling tile. Up to 3.6 kW (DVM) models measures 135 mm (180 mm including panel).

2. ASHRAE (the American Society of Heating, Refrigeration, and Air-Conditioning Engineers) defines “Still Air” as air currents moving at speeds below 0.15 m/s, with no cold drafts.

3. The Deodorization Filter can only be found in WindFree 1-Way Cassette.

4. Intertek Report No.: RT20E-S0010-R Date: APR. 17, 2020 (Revised) Based on the data collected the Hypothesis is accepted: The K-element (Electrostatic Precipitator) of Samsung Electronics can sterilize the certain types of bacteria that collected on the filter. (Escherichia coli: above 99 %, Staphylococcus aureus: above 99 %)

5. The humidity level will only be shown during WindFree™ operation and Dry Mode via the SmartThings app display.

6. A Wifi Kit MIM-H04EN, a Wi-Fi connection and Samsung SmartThings application account are required. Requires iOS 10.0 or later & Android 5.0 or later.

7. Compared to the conventional infrared remote controller for example, the AR-EH03.

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WindFree™ 1-Way Cassette

AC026RN1DKG/EU

Climate comfort with a slim device

Maximal comfort

No cold drafts

Air Purification Panel

Smart Comfort Operation

Smart Control

SolarCell Remote Controller

Product Comparison

Specifications

Functions

Download the product information sheet for more technical data

Product Specifications

Features

Type

Model Name

Indoor Unit

Outdoor Unit

System

Mode

Capacity

Cooling [kW]

Heating [kW]

Power Input

Cooling 1)

Heating 2)

Current Input

Cooling (℃)

Heating (℃)

Power

MCA

MFA

Energy Efficiency

Energy Grade (Cooling) (A+++ - D)

Energy Grade (Heating) (A+++ - D)

Piping Connections

Liquid Pipe (Ø, mm)

Liquid Pipe (Ø, inch)

Gas Pipe (Ø, mm)

Gas Pipe (Ø, inch)

Installation Max. Length [m]

Installation Max. Height [m]

Field Wiring

Transmission Cable

Refrigerant

Type

Factory Charging (kg)

Factory Charging (tCO2e)

Control Method

Power Supply (Indoor Unit) [Φ, #, V, Hz]

Fan

Type

Air Flow Rate (High / Mid / Low) [m3/min]

Motor (Output) [W]

Number of Unit (EA)

Drain

Drain Pipe (Ø,mm)

Sound

Sound Pressure Level (High / Mid / Low) [dB(A)]

Sound Power Level (Cooling) [dB(A)]

External Dimension (Indoor Unit)

Net Weight (kg)

Net Dimensions (WxHxD) (mm)

Panel

Model Name

Net Weight (kg)

Shipping Weight (kg)

Net Dimensions (WxHxD) (mm)

Shipping Dimensions (WxHxD) (mm)

Additional Accessories

Drain Pump

Drain Pump Max. Lifting Height/Displacement

Power Supply (Outdoor Unit) [Φ, #, V, Hz]

Fan (Outdoor Unit)

Air Flow Rate (Cooling) [m3/min]

Sound (Outdoor Unit)

Sound Pressure (Cooling / Heating) [dB(A)]

Sound Power Level (Cooling) [dB(A)]

External Dimension (Outdoor Unit)