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Split air source heat pump for Nordic climate 20KW AS20/LF

Model No.︰AS20/LF
Brand Name︰HISEER
Country of Origin︰China
Unit Price︰-
Minimum Order︰-
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Product Description

Heating ,cooling and produce domestic hot water

Outdoor unit Contains:

 Fan  blade and  Panasonic EC motor
 Aluminum finned  copper coil  heat exchanger

Outdoor unit has not pre-filled  refrigerant

Indoor unit Contains :

Hitachi EVI R410A compressor 
High  efficiency Swep/GEA plate heat exchanger
Saginomiya electronic expansion valves + Carel pressure transducers to achieve super throttling and high efficient performance.  
Saginomiya electronic expansion valve + economizer  is adopted  to control  enhanced vapor injection , optimize  performance
R410A refrigerant is pre-filled inside indoor unit.
Built-in Grundfos EuP Ready PWM hot water pump ,Honeywell VC6013 three way valve   and electric  heater 3/6/9kw is  optional
Built-in differential pressure flow switch
Carel  controller with remote control, user-friendly interface ,easy to understand and operate.
Good look and long lasting galvanized sheet or stainless steel cabinet


It delivers higher capacity at low evaporating temperature thereby better responding to heating requirement thanks to EVI compressor
It also results in less supplementary heating to cover the full heating demand on the coldest days.
Workable ambient temperature range - 25℃ to 43℃.
EC fan motor. The speed of fan varies so only the required amount of air is utilized. The blades are specially designed to move as much air as possible at the lowest noise level.
Timer ON/OFF
Automatically turn on electric heater in pre-set time period  to heat water up to pre-set temperature to prevent  Legionnella
Free of freeze even at low ambient temperatures as outdoor unit just has refrigerant instead of water
Varied heat curve. Controlled water temperature varies according to ambient temperature
Most components are well sealed to retain heat and prevent dripping.

Technical specification:

Model Number AS20/LF
Heat output/Power consumption/COP at A7/W35℃  kW 22.16/5.63/3.94
Heat output/Power consumption/COP at A2/W35℃  kW 17.39/5.17/3.36
Heat output/Power consumption/COP at A-7/W35℃ kW 15.26/5.46/2.79
Heat output/Power consumption/COP at  A-10/W35℃ kW 14.23/5.54/2.57
Heat output/Power consumption/COP at A-15/W35℃ kW 13.44/5.83/2.30
Heat output/Power consumption/COP at A7/W45℃   kW 21.66/6.95/3.18
Heat output/Power consumption/COP at A2/W45℃   kW 18.21/6.73/2.7
Heat output/Power consumption/COP at A-7/W45℃   kW 15.45/6.90/2.23
Heat output/Power consumption/COP at A-10/W45℃ kW 14.73/6.94/2.12
Heat output/Power consumption/COP at A -15/W45℃ kW 13.50/6.94/1.94
Heat output/Power consumption/COP at A7/W55℃  kW 21.17/8.27/2.56
Cool output/Power consumption/EER at A35/W7℃    17.82/6.53/2.73
Running current at A7/W35 A 9.7
Starting current  A 80
Power Supply   380-415V/3PH/50Hz
Compressor   HITACHI scroll
Condenser   Brazed plate heat exchanger
Nominal flow heating medium m3/h 3.70
Internal pressure drop at nominal flow kPa 36
Air flow m3/h 8000
Nominal output fan W 300
Max outgoing heating medium temperature 55
Refrigerant R410A filling weight kg 5.3
Outdoor unit dimension (HXWXD) mm 1476X1040X500
Indoor unit dimension (HXWXD) mm 1040X600X640
Pipe connector   G1-1/2"
Net Weight(Indoor/outdoor) kg 138/80
Operating ambient temp. range Heating -25~35
DHW -25~43
The above data is tested by EN14511. A7/W35℃ means air temp. 7℃,outlet water temp. 35℃


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