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LG Inverter Air Conditioner WINNER Series 12000 Btu W12EG.NSJ R-32 Class A++/A+

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Technical features

  • Indoor unit catalog code: W12EG.NSJ
  • Outdoor unit catalog code: W12EG.UA3
  • Power: 12000 Btu

Energy efficiency

  • SEER : 6.6
  • SCOP : 4.0
  • Cooling energy efficiency class: A++
  • Heating energy efficiency class: A+
  • Annual energy consumption in cooling: 186 kWh
  • Annual energy consumption in heating: 875 kWh


  • Cooling capacity: 3.5 kW
  • Heating capacity: 4.0 kW
  • Cooling absorption: 1,080 kW
  • Heating absorption: 1,050 kW
  • Indoor unit treated air: 4.2 ~ 12.5 m 3 /min
  • Indoor unit sound power level: 59 dB(A)
  • External unit sound power level: 65 dB(A)
  • Indoor unit sound pressure level: 19~41 dB(A)
  • Outdoor unit sound pressure level: 48~50 dB(A)


  • Power (V,Hz, Ø): 220~240/50/1
  • Refrigerant gas: R-32
  • Operation range:
    - Cooling: -10° ~ 48° C
    - Heating: -10° ~ 24° C

Installation data

  • Liquid pipe diameter: 6.35 mm (1/4")
  • Gas pipe diameter: 9.52 mm (3/8")
  • Maximum pipe length: 15 m

Dimensions and weight

  • Indoor unit dimensions (WxHxD): 837x308x189 mm
  • Internal unit weight: 8.7 kg
  • External unit dimensions (WxHxD): 717x495x230 mm
  • External unit weight: 28.0 kg

LG WINNER air conditioner

BLDC fan motor

The ventilation motor is of the BLDC type, in addition to allowing greater capacity modulation, given the wider range of rotation speeds available, it dissipates less heat than traditional alternating current motors. It operates with less noise and in the absence of hum electrical nature


The unit is equipped as standard with an infrared control

Lifting clip

On the internal unit, there is a lifting clip that allows you to keep the product inclined with respect to the wall to facilitate the operations of connecting the pipes and electrical cables

Removable lower panel

On the internal unit, the lower panel is removable to improve access to the electrical connections and pipes. Once the connection work is finished, the panel can be easily repositioned quickly and easily

Installation plate with screws

The installation plate of the internal units is very rigid and allows optimal anchoring to the walls, even in the case of installation on pre-installation boxes. The body of the unit can be fixed to the plate with screws to facilitate closing and improve adhesion to the surface


Comfort air function By pressing the button on the infrared control, the deflector is positioned automatically depending on the operating mode chosen. In heating the deflector is adjusted to the lowest position while in cooling it is set to the highest position.

Active capacity control 4-step energy consumption control via button on the infrared control

Smart diagnosis Allows you to control functionality and troubleshoot via smartphone with a simple SMART DIAGOSIS app available for Android devices.

External unit structure

Self-supporting structure in galvanized sheet steel panels painted in warm gray with surface treatment and Cataphoresis process, a surface treatment capable of conferring considerable resistance to corrosion in order to protect the external unit from atmospheric agents. Removable right panel for connection operations with the refrigeration circuit. Removable cover to access the control components. Protection grill on the air expulsion.

Wide Louver heat exchanger

Wide Louver Fin external heat exchanger which gives an improvement in exchange efficiency equal to 28% more than a traditional exchanger, coated with a GOLD FIN galvanic bath anti-corrosion treatment to give better resistance to acid rain and salt in the sea ​​areas.


Capacity supply system consisting of 1 hermetic Twin Rotary DC inverter compressor with direct start. linear capacity control with an action range between a minimum of 10% up to a maximum of 130%


Heat exchange fan with external helical type with suction on the rear side and horizontal delivery on the front side with air flow rate of 27 m3/min. Type of BLDC inverter motor with air flow and low noise from 0.30 kW

Refrigeration circuit

Made of aluminum tubes, complete with drier filters, 4-way cycle reversal valve, electronically controlled expansion valves on each connection, liquid refrigerant separator with accumulation function on compressor suction, service valves dedicated to each connection of the internal units on the gas side. The distribution system includes connections with liquid and gas diameters of 6.35 mm and 9.52 mm respectively

Main electronic board

Main electronic control and safety board accessible by removing the top cover, capable of automatically managing the cooling and heating operating modes and the defrost function of the external heat exchanger.

Product Warranty: All products on sale on our site are new and packaged. The warranty on this item is 24 months from the date of purchase.

Scheda Tecnica

  • peso: 35.0 kg
  • classe energetica raffreddamento: A++
  • classe energetica riscaldamento: A+
  • gas: R-32
  • marca: LG
  • metri quadri : 25-40 m2
  • modello: W12EG_1
  • potenza btu: 12000
  • superficie riscaldabile mq: 35
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