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Smart 4x1 multi split air conditioning system LG, composed of the outdoor Unit of 7,91 kW Mu4r27.u42 and four interior mural units of 2.5 kW P09snd.ns0 of the prestigious Dualcool AI range. This advanced solution allows to symmetrically and independently airly and independently, using a single multitubly exterior engine. Equipped with the advanced technology of the BLDC Inverter Twin Rotary and Ecological Refrigerant R32, highlights by its outstanding seasonal energy efficiency A +++ cold, an excellent minimum sound pressure of 27 dB (A) and Wi-Fi connectivity Integrated as standard in each split.
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Smart multizone air conditioning LG. . Outdoor Unit multitubaria of 7.9 kW with four 2,5 kW splits optimized by artificial intelligence algorithms.
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 Dualcool AI splits of 2.5 kW cover the actual thermal load of your project.
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 MU4R27.U42 represents an extraordinary solution to provide comprehensive climate comfort to the entire home or commercial premises in a unified manner. By linking the four interior units to a single multitubaria outer chassis, the system significantly optimizes the mounting space on balconies or roofs, mitigates the architectural visual impact on the façade and significantly simplifies electrical connection and installation work General, compared to the placement of four traditional 1x1 type equipment.
This symmetric configuration includes four interior units of the advanced Dualcool Series AI (model p09snd.ns0), each offered by a nominal refrigeration capacity of 2.5 kW. This homogeneity of powers is ideal for a balanced way four rooms, independent offices or similar rooms (up to 20-22 m² per unit). Dualcool AI splits stand out for integrating smart algorithms that analyze the patterns of use and environmental conditions for self-management air flow and the setpoint temperature optimally, ensuring maximum comfort with minimum consumption Energy.
At the technical level, the outdoor Unit it incorporates a state-of-the-art BLDC Inverter compressor, accompanied by patented protective technologies such as the Battery with Ocean Black End coating, which provides extreme resistance against saline and corrosion environments. Thanks to the efficient use of refrigerant gas R32 and precise control by pressure and temperature sensors, the system reaches a first-class seasonal performance with an energy classification A +++ in refrigeration (SEER 8.50). The set is completed with integrated Wi-Fi connectivity in each indoor Unit, which enables immediate digital management from anywhere through the application LG Thinq.
Reference Outdoor Unit: MU4R27.U42 (MU4R27 U24A)
Maximum connectable units: Up to 4 interior units
Nominal refrigeration capacity (min-max): 7,91 kW (1.06 - 9.00 kW)
Nominal heat capacity (min-max): 8,60 kW (1.17 - 10.00 kW)
Seasonal Season / Scop Performance: 8,50 W / W / 4,61 W / W
Energy classification (cold / heat): A +++ / A ++
Nominal consumption Cold (Min-Max): 1,85 kW (0.29 - 3,44 kW)
Nominal heat consumption (Min-Max): 1,92 kW (0.28 - 2,54 kW)
Flow of maximum outside air: 50 m³ / min
Exterior sound pressure (cold / heat): 48 dB (A) / 51 dB (A)
Compressor technology: BLDC Inverter Twin Rotary
Anti-corrosion treatment Battery: Ocean black end
External dimensions (an. X al. X prof.): 950 x 834 x 330 mm
Net weight Outdoor Unit: 61.50 kg
Reference Indoor Unit: P09snd.ns0
Nominal refrigeration capacity (Split): 2.50 kW
Nominal heat capacity (split): 3,20 kW
Cold sound pressure (H / m / L): 42/35/27 DB (A)
Indoor air flow (H / m / L): 10.3 / 7.6 / 4.8 m³ / min
Dimensions Net Split (an. X al. X prof.): 799 x 307 x 235 mm
Net weight Indoor Unit: 10 kg
Wireless connectivity: Wi-Fi integrated as standard (LG Thinq)
Diameter Liquid connections (exterior): 6.35 mm (1/4 ") x 4 outputs
Diameter Gas connections (exterior): 9.52 mm (3/8 ") x 4 outputs
Total maximum length allowed: 70 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 MU4R27.U42 Equip a Twin Rotary compressor with advanced Inverter technology that allows you to exactly modulate your physical performance. In cold, it is able to descend its minimum range to 1.06 kW. When a single 2,5 kW split is activated, the compressor adjusts its revolutions at the exact frequency required, avoiding an excess of electrical consumption and functioning with minimal power consumption.
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 lines). If the particularities of the work require exceeding 45 meters away, the authorized installer must add 20 grams of extra refrigerant for each additional metro installed, without exceeding the maximum global limit of 70 meters.
On https://tualmacendelclima.com/en/ we are specialist engineers in technical design, control and optimization of multi-split air conditioning networks and advanced zoning. 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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