Vaillant VAI5-025WN split air conditioner for a pleasant indoor climate
The Vaillant VAI5-025WN split air conditioner from the climaVAIR exclusive series is a mono-split air conditioning set for individual living and office spaces. With 2.7 kW nominal cooling capacity, efficient inverter technology and energy efficiency class A+++ in cooling mode, it ensures a pleasantly tempered indoor climate on warm days.
The unit also offers heat pump operation with 2.93 kW nominal heating capacity. This makes it suitable not only for summer, but also for comfortable temperature control during the transitional season, for example in living rooms, offices, holiday homes or weekend houses.
Comfortable air conditioning with cooling, heating and dehumidifying
The set consists of a wall-mounted indoor unit and an outdoor unit. In cooling mode, the indoor unit lowers the room temperature; in heating mode, it supports the temperature control of the room. In addition, ventilation and dehumidification modes are available, so the unit can respond flexibly to different comfort requirements.
Modern inverter technology adapts the output to the actual demand and helps to compensate for temperature fluctuations in the room evenly. The refrigerant R32 provides a contemporary technical basis with a reduced global warming potential compared to older refrigerants.
Operating functions for everyday use
Operation is conveniently carried out via the remote control. Practical functions such as timer, sleep, turbo, quiet, I Feel, X-Fan and adjustable air distribution support comfortable and everyday operation.
The sleep function adapts operation for the night, while the timer function enables individually planned switch-on and switch-off times. The turbo function temporarily increases the cooling or heating output when a desired room temperature is to be reached quickly.
Air quality and quiet operation
The climaVAIR exclusive series is designed for a pleasant indoor climate. The dehumidification function reduces the humidity in the room, while the ionization supports air purification. The X-Fan function dries the indoor unit after cooling or dehumidifying operation, helping to reduce moisture in the unit.
With a sound pressure range of the indoor unit from 24 to 41 dB(A) at a distance of 1 m, the system is also suitable for rooms where quiet air conditioning is important.
Technical data at a glance
The most important technical data of the Vaillant VAI5-025WN split air conditioner, summarized compactly.
| Unit type | Split air conditioner / mono-split air conditioning set |
| Cooling capacity | 2.7 kW nominal capacity |
| Heating capacity | 2.93 kW nominal capacity |
| SEER | 8.5 |
| SCOP | 4.6 |
| Energy efficiency class cooling | A+++ |
| Energy efficiency class heating | A++ |
| Refrigerant | R32 |
| Dehumidification capacity | 0.8 l/h |
| Air flow rate indoor unit | 390 to 660 m³/h |
| Operating range cooling | -15 to 48 °C outdoor air |
| Operating range heating | -15 to 24 °C outdoor air |
| Sound power level | 56 dB(A) indoor / 60 dB(A) outdoor |
| Sound pressure level indoor unit | 24 to 41 dB(A) at 1 m distance |
| Voltage | 220-240 V |
| Frequency / Phases | 50 Hz / 1 phase |
| Electrical power input | 1,650 W |
| Dimensions indoor unit | 290 x 865 x 210 mm |
| Indoor unit weight | 10.5 kg |
| Refrigerant lines | 1/4 inch liquid line / 3/8 inch gas line |
| Maximum line length | 20 m |
| Maximum height difference | 15 m |
Installation and setup
The split air conditioning system requires professional installation of the indoor and outdoor units, suitable refrigerant lines, proper condensate drainage, and correct electrical connection. The outdoor unit is placed or mounted outdoors, while the indoor unit is installed as a wall-mounted unit inside the room.
Work on the refrigeration circuit, leak testing, evacuation, and commissioning should be carried out by a qualified specialist company. The electrical connection must be carried out professionally and in accordance with the installation.
Notes on operation and maintenance
For consistently reliable performance, the air intake and air outlet areas should remain unobstructed. The air filters of the indoor unit should be checked regularly and cleaned if necessary. In dusty environments or with intensive use, more frequent cleaning may be advisable.
If unusual noises, water formation, loss of performance, or malfunctions occur, the system should not be disassembled by yourself. In such cases, a suitable specialist company is the right point of contact.
Scope of delivery
- Vaillant climaVAIR exclusive VAI5-025WN climate set
- Indoor unit VAI5-025WNI
- Outdoor unit VAI5-025WNO
