air source heat pump for low temperature -20C spli

Heat Pump : Low ambinet temperature ( -20 degree )air sourceheat pump split type: Technical DataWhole model No.EHS-10DREHS-12DREHS-15DREHS-18DRInstallation locationIndoor ( water unit ) & Outdoor ( air souce unit )Power supply150Hz-220V350Hz-380/415V350Hz-380/415V350Hz-380/415VRated heating capacity ( KW )10.812.615.518.9Rated Power input (kw)2.83.103.95.4Rated Running current (A)12.86.58.210.5Thermostat factory setting ()55Thermostat maximum setting ()60Electric back-up heater optional (KW)3 / 6 / 9Operating temperature limitsHeating water flow / return flow ()up to 60 / above 18Runing Air temperature ()-20 to +43Refrigenrator TypeR410AHeating capacity / copat A-7 / W 35 KW / --5.8/2.67.0/ 2.78.4 / 2.712.0 / 2.7at A-7 / W 55 KW / --5.0 / 2.06.2 / 2.17.8 / 2.110.0/ 2.1at A 7 / W 35 KW / --9.1/ 3.711.0 / 3.612.7 / 3.617.0 / 3.7at A 7 / W 55 KW / --8.0 / 3.010.1 /2 .912.3 / 2.916.2/ 2.9at A 10 / W 35 KW / --9.4 / 4.312.2 / 4.014.6 / 4.118.0 / 4.0Indoor unitIW10IW12IW15IW18Unit dimension ( L / W / H ) ( mm )650/460/620650/460/620650/460/620650/460/620Shipping dimension ( L / W / H ) ( mm )700/510/670700/510/670700/510/670700/510/670Net / Gross weight ( kg )82 / 8884 / 91116 / 124127 / 136Noise dB(A)34353839CompressorTypeRotaryScrollScrollScrollRated Power input (W)2300270032004320Heat exchanger typePlate or Tube in Shellwater connection size1"1"1"1"Refrigenrant lquid pipe size3 /83/81/21/2Refrigerant gas pipe size5/85/83/43/4Water pump ( Optional )GPD25-8GPD25-8GPD25-9GPD25-12Circulation pump qty .1111Flow rate ( L / min )100100100140Drop distance ( m )8888Power consumptions245245245300Water pipe connection size1"1"1"1"Outdoor unitOW10OW12OW15OW18Unit dimension ( L / W / H ) ( mm )970/360/900970/360/9001200/460/8501200/460/850Shipping dimension ( L / W / H ) ( mm )1020/410/9501020/410/9501250/510/9001250/510/900Net / Gross weight ( kg )29/3441 / 4851 / 5953 / 62Noise dB(A)46475151Refrigenrant lquid pipe size3 /83/81/21/2Refrigerant gas pipe size5/85/83/43/4Fan MotorFan Qty ( pc )1222Typeaxes typeaxes typeaxes typeaxes typePower input (W)120200200300