Specifications and package contentsAll specifications and what’s included
About this model
Welkin INVKAN 12 is a ducted split system with 3.52 kW cooling capacity and R32 refrigerant.
Concealed installation
Inverter control
Wired control
R32 refrigerant
Description and features
Rated cooling power input is 1053 W. Detailed cooling, heating and installation specifications are listed below.
About the series
Welkin INVKAN is a ducted split system. Compare capacities, power consumption, dimensions and installation requirements. Specifications depend on the selected variant.
Designed for your comfort
Why choose this model
Concealed installation
The indoor unit sits above the ceiling and supplies air through ductwork.
Inverter control
Cooling output adjusts within the specified range.
Wired control
Adjust the air conditioner using a wired controller.
R32 refrigerant
Refrigerant type and charge are listed in the specifications.
Technical specifications
Selected modelINVKAN 12
Full specifications
Model details6
Brand
Welkin
Series
INVKAN
Model
INVKAN 12
Air conditioner type
Ducted
Availability
In stock
Compressor capacity, W
1930/3100 ±3%
Performance20
Recommended area
23 m²
Cooling capacity
3.52 kW
Cooling capacity, BTU/h
12000
Cooling capacity range, BTU/h
1800–13607
Cooling output range, kW
0.53–3.99
Heating capacity, BTU/h
13000
Heating capacity, kW
3.81
Heating capacity range, BTU/h
3400–14975
Heating output range, kW
1–4.39
Design cooling load Pdesignc, kW
3.500
Design heating load, average climate, kW
2.600
Bivalent temperature Tbiv, average climate, °C
-7
Operating limit temperature Tol for seasonal calculation, °C
-15
Airflow, high/medium/low, m³/h
600/480/300
Outdoor airflow, m³/h
2200
Indoor temperature, cooling, °C
16–32
Indoor temperature, heating, °C
0–30
Outdoor temperature, cooling, °C
-15–50
Outdoor temperature, heating, °C
-15–24
Cooling application area in specification, m²
16–23
Power and efficiency28
Power input
1.053 kW
Compressor
Inverter
Energy efficiency
A++
Power supply
220–240 V / 1 phase / 50 Hz
Rated cooling power input, W
1053
Cooling power input range, W
155–1373
Rated cooling current, A
4.75
Cooling current range, A
1.3–6.09
Cooling EER, W/W
3.34
Rated heating power input, W
1038
Heating power input range, W
302–1390
Rated heating current, A
4.52
Heating current range, A
1.48–6.15
Heating COP, W/W
3.67
SEER
6.1
Seasonal cooling class
A++
SCOP, average climate
4.0
Heating class, average climate
A+
System nameplate power input, W
1850
System nameplate current, A
9
Compressor mechanism
Rotary
Compressor brand
GMCC
Compressor power input, W
292/765 ±3%
Compressor rated load current RLA, A
2.15/4.65 ±3%
Compressor oil / charge, ml
ESTER OIL VG74 300±10
Indoor fan motor power input, W
130.0
Outdoor fan motor power input, W
98.5
Power plug
No plug
Comfort and controls9
Noise level
30 dB· Sound pressure at low indoor fan speed. The specification does not state measurement conditions.
Wi-Fi
To be confirmed
Indoor fan speeds in specification, rpm
1256/384
Indoor sound pressure, high/medium/low, dB(A)
34.5/32/30
Indoor sound power level, dB(A)
58
Outdoor fan speed, rpm
780/600
Outdoor sound pressure level, dB(A)
53.6
Outdoor sound power level, dB(A)
62
Temperature control
Wired control
Dimensions and installation28
Indoor coil: number of rows
3
Indoor coil: tube pitch × row pitch, mm
21 × 13.37
Indoor coil: fin spacing, mm
1.4
Indoor coil: fin material
Hydrophilic aluminum
Indoor coil: tube diameter and type
Ø7 mm, internally grooved
Indoor coil section dimensions, L×H×W, mm
526 × 210 × 40.11
Indoor coil: number of circuits
4
Indoor dimensions, W×H×D, mm
700 × 200 × 506
Indoor packing dimensions, W×H×D, mm
860 × 285 × 540
Indoor weight, net/gross, kg
17.8/21.5
Outdoor coil: number of rows
1
Outdoor coil: tube pitch × row pitch, mm
21 × 22
Outdoor coil: fin spacing, mm
1.3
Outdoor coil: fin material
Hydrophilic aluminum
Outdoor coil: tube diameter and type
Ø7 mm, internally grooved
Outdoor coil dimensions, L×H×W, mm
745 × 504 × 22
Outdoor coil: number of circuits
2
Outdoor dimensions, W×H×D, mm
765 × 555 × 303
Outdoor packing dimensions, W×H×D, mm
887 × 610 × 337
Outdoor weight, net/gross, kg
26.6/29
Refrigerant
R32
Global warming potential GWP
675
Refrigerant charge, kg
0.71
Design pressure, high/low, MPa
4.3/1.7
Pipe diameter, liquid/gas
6.35 / 9.52 mm
Maximum pipe length, m
25
Maximum height difference, m
10
Interconnecting cable
1.0 × 4
A specification guideline. Final sizing depends on ceiling height, glazing, occupancy and heat load.
Power consumption in cooling mode
Cooling power input
155–1 373W
Rated consumption:1 053 W
Actual consumption depends on conditions and settings.
What’s included & documents
Full package contents and warranty documents are confirmed when ordering.
Delivery, installation & warranty
Delivery in Tashkent is free. Installation is a separate service with an agreed quote. Delivery timing and warranty terms are confirmed before purchase.
Official warranty across Uzbekistan. Duration depends on the model documents.
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