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Smart high capacity multi-4x1 smart air conditioning system LG, integrated by the outdoor Unit of 8.80 kW Mu5r30.u42, two interior units of 2.5 kW P09snd.ns0 and two units of 3.5 kW P12snd.ns0 of the Dualcool AI range. This high-performance solution allows to airly climate and autonomously up to four rooms by combining powers simmetricly with a single multitubaria outer compressor. Equipped with compressor technology BLDC Inverter Twin Rotary and R32 ecological refrigerant, it stands out for its excellent seasonal efficiency at +++ cold, a minimum sound pressure of 27 dB (A) and integrated Wi-Fi connectivity with management by IA.
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High capacity residential air conditioning and performance of LG. . Outdoor Unit 8.8 kW multitubaria configured symmetrically with two 2.5 kW splits and two 3.5 kW optimized by artificial intelligence.
Due to the multiple mechanical combinations, simultaneous powers and different lengths and cufflode tubing lengths that require multi-split 4x1 installations, we carry out custom quotes with all the necessary material for his work. To ensure a perfect hydraulic dimensioning, verify the thermal simultaneity of the compressor and determine if its installation requires optional accessories or a specific balance of refrigerant gas, our engineering department exhaustively studies each request.
Indicate the square meters and the orientation of the four stays to validate that the combination of two 2.5 kW splits and two of 3.5 kW covers the actual thermal load of its space.
Specify the approximate lengths of pipe from the outdoor Unit each split to calculate the additional load of R32 gas necessary on site.
📩 Facilitate this data and our technical team will send you a complete breakdown with all the necessary material for your installation.
The system LG Multi inverter 4x1 equipped with the outdoor Unit MU5R30.U42 represents a solution of high technological performance to provide comprehensive and powerful air conditioning for single-family homes, full floors or commercial premises with demanding thermal requirements. When connecting four indoor units to a multitubory outer chassis that is originally designed to manage up to 5 independent stays, this set guarantees a reserve of excellent refrigeration and calorification. In this way, the air conditioning capacity is drastically optimized when all splits work simultaneously, minimizing the space in facades or terraces by requiring a single exterior engine.
This symmetrical and balanced configuration incorporates two internal units of 2.5 kW (model p09snd.ns0) and two largest capacity units of 3.5 kW (model p12snd.ns0). This distribution of capacities is suitable for housing or work centers with two standard dimensional areas, such as bedrooms or secondary offices of up to 20 m², and two main stays of greater magnitude, such as salons, dining rooms or meeting rooms Open up to 30 m². All units belong to the advanced Dualcool AI series, characterized by a modern and stylized aesthetic design, and the incorporation of artificial intelligence algorithms that automatically adapt the direction of the slats and the optimum temperature depending on the Real comfort needs and users' habits.
In the technical section, the outdoor Unit it incorporates a BLDC Inverter Twin Rotary compressor complemented with advanced factory treatments, such as the battery with Ocean Black End anti-corrosion coating, ideal for coastal environments or severe climates. The system efficiently operates by refrigerant gas R32 and a precise control by pressure and temperature sensors, which allows it to reach a classification of seasonal efficiency higher than +++ in cooling mode (Seer 8.60). In addition, each indoor Unit it has integrated Wi-Fi connectivity, making it possible a complete and remote wireless monitoring through the application LG Thinq.
Reference Outdoor Unit: MU5R30.U42 (Catalog Reference: MU5R30 U36A) LG EU MULTI 2026.PDF
Maximum connectable units: Up to 5 interior units
Nominal refrigeration capacity (min-max): 8,80 kW (1.32 - 10.60 kW)
Nominal heat capacity (min-max): 10,10 kW (1.47 - 12,10 kW)
Seasonal Season / Scop Performance: 8,60 W / W / 4,65 W / W
Energy classification (cold / heat): A +++ / A ++
Nominal consumption Cold (Min-Max): 2,33 kW (0.30 - 3,34 kW)
Nominal heat consumption (Min-Max): 2,21 kW (0.28 - 2,89 kW)
Flow of maximum outside air: 60 m³ / min
Exterior sound pressure (cold / heat): 49 dB (A) / 52 dB (A)
Compressor technology: BLDC Inverter Twin Rotary
Battery protection treatment: Ocean black end
External dimensions (an. X al. X prof.): 950 x 834 x 330 mm
Net weight Outdoor Unit: 61.50 kg
P09Snd.ns0 (2 units): 2.50 kW cold / 3,20 kW interior heat multi LG.pdf
P12Snd.ns0 (2 units): 3.50 kW cold / 3,70 kW interior heat multi LG.pdf
Cold sound pressure (P09Snd / P12Snd): 42/35/27 DB (A)
Flow of nominal indoor air (P09 / P12): 10.3 / 7.6 / 4.8 m³ / min
Net Dimensions Splits (an. X al. X prof.): 799 x 307 x 235 mm (both models)
Net weight Indoor Unit (P09 / P12): 10 kg / 10 kg
Control technology: Wi-Fi integrated (LG Thinq) and artificial intelligence
Diameter Liquid connections (exterior): 6.35 mm (1/4 ") x 5 outputs
Diameter Gas connections (exterior): 9.52 mm (3/8 ") x 5 outputs
Total maximum length allowed: 75 meters
Maximum length by individual branch: 25 meters
Maximum unevenness (exterior / interior): 15 meters
Eve maximum difference between indoor units: 7.5 meters
Pre-filled length of factory: 45 meters
Amount of Refrigerant Gas of Preload (R32): 2.50 kg
Additional gas load (> 45m): 20 g / m
How do you manage the compressor invert the power when there is only one split on?
The outdoor Unit LG MU5R30.U42 Equipped a Twin Rotary compressor with advanced Inverter technology that allows you to exactly modulate your physical performance. In refrigeration, it is able to descend its minimum range until 1.32 kW. When a single 2,5 kW split is activated, the compressor adjusts its revolutions to the minimum frequency required for that demand, avoiding unnecessary consumption peaks and guaranteeing optimized electrical use.
What are the guidelines for the balancing of R32 refrigerant in the installation?
The outdoor Unit it comes from the factory with a preload of 2.50 kg of refrigerant gas R32, designed to cover an accumulated footage of up to 45 meters of total pipe (adding the lengths of the four refrigerated lines used). If the specific needs of the work require exceeding 45 meters away, the authorized installer must add 20 grams of extra refrigerant for each additional meter, without exceeding the global maximum limit of 75 meters.
On https://tualmacendelclima.com/en/ we are engineers specialists in technical design, control and optimization of advanced multi-zoning air conditioning networks. If you need to solve doubts about simultaneity coefficients, maximum slopes or check the official performance specifications of the range LG, our engineering department is at your entire disposal.
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