Unit for VRV-IV+ Q System, for R-410A Gas

Unit for VRV-IV+ Q (Variable Refrigerant Volume, for replacement) system, heat pump, model RXYQQ8U "DAIKIN", for R-410A gas, in replacement of unit for R-22 gas, three-phase power supply (400V/50Hz), nominal cooling capacity 22.4 kW (interior air bulb temperature 19°C, exterior air dry bulb temperature 35°C), SEER 7.6, operating temperature range of exterior air dry bulb temperature in cooling from -5 to 43°C, nominal heating capacity 25 kW (interior air dry bulb temperature 20°C, exterior air dry bulb temperature 7°C), SCOP 4.3, operating temperature range of exterior air dry bulb temperature in heating from -20 to 15.5°C, controlled by microprocessor, hermetically sealed scroll compressors, with Inverter control, dimensions 1685x930x765 mm, weight 198 kg, sound pressure 58 dBA, maximum total length of refrigerant tubing 300 m, maximum length between unit and farthest interior unit 150 m, maximum installation height difference 50 m if the unit is above the interior units and 40 m if it is below, maximum length between the first branching point (Refnet union) of refrigerant tubing and farthest interior unit 40 m (the maximum length from the first branching point can be up to 90 m, if the difference between the length to the closest and farthest interior units is less than 40 m), F1-F2 terminal block for 2-wire transmission and control cable (bus D-III Net), special anticorrosive treatment of heat exchanger, refrigerant recovery function, additional refrigerant loading function, automatic operation and energy consumption limitation adjustment function (I-Demand function).