Features & Benefits

  • Highly Efficient COP up to 4.74
  • Compatible with Radiator & Underfloor heating systems
  • Intuitive control with online and app connectivity
  • Low Carbon - Zero Ozone Depletion & low Global Warming Potential
  • Impressivley Quiet Outdoor Unit- 35 dB(A)
  • Uncomparable Reliability - Patented co-axial heat exchange
  • Space saving with an Integrated buffer tank
  • Hot Water Comfort (Up to 70°C Hot Water)

8 year warranty when commissioned by a GA approved engineer. Subject to terms & conditions.

TECHNICAL SPECIFICATION

Designation Unit Alfea Extensa Duo A.I R32 5 Alfea Extensa Duo A.I R32 6 Alfea Extensa Duo A.I R32 7
PRODUCT CODE AH526226 AH526227 AH526228
Refrigerant R32 R32 R32
Heat Output (outdoor temp / flow temp)
+7°C / +35°C - Underfloor heating kW 4.50 5.50 7.50
+7°C / +55°C - Radiators kW 4.50 5.50 7.00
Power Input (outdoor temp / flow temp)
+7°C / +35°C - Underfloor heating kW 0.949 1.18 1.69
+7°C / +55°C - Radiators kW 1.70 2.06 2.63
Coefficient of Performance (COP) +7°C / +35°C COP 4.74 4.65 4.43
Electrical Specifications
Electrical voltage (50 Hz) V 230 230 230
Nominal Running Current [Max] (A) A 13 13 18
Maximum current of the Heating system electrical backup A 13 (26.1) 13 (26.1) 13 (26.1)
Heating Electrical backup heater (Standard) kW 3 (6 kW option available) 3 (6 kW option available) 3 (6 kW option available)
Circulation pump actual power consumption W 38 38 38
Maximum power consumed by the outdoor unit W 3260 3260 4510
DHW electrical backup power W 1500 1500 1500
Hydraulic Circuit
Maximum operating pressure MPa(bar) 0.3 (3) / 1 (10) 0.3 (3) / 1 (10) 0.3 (3) / 1 (10)
Flow rate of the hydraulic circuit for Δt=4°C (rated conditions) l/h 970 1185 1616
Flow rate of the hydraulic circuit for Δt=4°C (rated conditions) l/h 485 593 808
Miscellaneous
Weight of outdoor Unit Kg 39 39 42
Noise level at 5m1 (outdoor unit) dB(A) 35 35 35
Sound power level in accordance with EN 121022 (outdoor unit) dB(A) 57 57 60
Weight of hydraulic unit (empty / full of water) Kg 145 / 363 145 / 363 145 / 363
Water capacity of the hydraulic unit l 24 / 190 24 / 190 24 / 190
DHW Cylinder Volume L 190 190 190
Noise level at 1 m 1 (hydraulic unit) dB(A) 32 32 32
Sound power level in accordance with EN 12102 2 (hydraulic unit) dB(A) 40 40 40
Heating system operating limits
Outdoor temperature min/max °C -20 / +35 -20 / +35 -20 / +35
Max. heating water flow temperature underfloor heating °C 45 45 45
Max. heating water flow temperature low temperature radiator °C 52 52 52
Refrigeration circuit
Gas pipe diameters Inches 1/2 1/2 1/2
Liquid Piping Diameters Inches 1/4 1/4 1/4
Factory fill of refrigerant R32 3 g 970 970 1020
Maximum operating pressure MPa(bar) 4.2 (42) 4.2 (42) 4.2 (42)
Minimum / Maximum length of pipes 4 / 6 m 3 / 15 3 / 15 3 / 15
Maximum length of pipes 5 / Maximum level diff erence m 30 / 20 30 / 20 30 / 20

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