Air Cooled Heat Pump Chillers
PYXIS HP
Series
R410A... 121÷932KW
MAIN FEATURES:
- Air-to-water heat pump.
- Wide range of aggregates including 24 models.
- Average step of 25 kW.
- EER up to 2.95.
- COP up to 3.20.
- ESEER up to 4.22.
- Scroll compressors.
- Refrigerant charge - R410A.
- Double, triple, quadruple refrigeration circuit.
- Plate or shell-and-tube heat exchanger.
- AC axial fans.
- Double, triple, quadruple air circuit.
- Intended for indoor installation.
Features
WORKING LIMITS IN COOLING MODE:
- Chilled water outlet temperature: -12÷20°C
- Ambient temperature: -10÷45°C
WORKING LIMITS IN HEATING MODE:
- Hot water outlet temperature: 30÷60°C
- Ambient temperature: -10÷30°C
ADVANTAGES:
- Two scroll compressors for each refrigeration circuit.
- Double, triple, quadruple refrigerant circuits.
- Separated air circuits.
- IDEA® dynamic defrost monitoring system.
- Electronic expansion valve.
- Heat exchangers with water repellent coating.
- Noise-suppressing and super-noise-suppressing kits.
- Pumping groups with low, medium and high pressure.
- Easy maintenance.
- Eurovent certification.
POWER SUPPLY: 400/3/50
COMPONENTS:
- FRAMEWORK: steel with protective epoxy coating; color: RAL 9002.
- COMPRESSORS: scroll compressors; 2-pole 3-phase electric motor with direct on line starting; phases control relay; crankcase heater; thermal protection of the motor via temperature sensors; rubber supports.
- EVAPORATOR from 120 P4 D VT2 to 410 P4 D VT5: brazed plate heat exchanger in stainless steel; polyurethane insulation; water temperature sensors at the air inlet and outlet; differential pressure switch; antifreeze heater.
- EVAPORATOR from 430 P6 T VT5 to 830 P8 Q VT8: direct flow shell-and-tube evaporator; refrigerant - R410A; Tubes with a helical rifled internal surface; shell, header, tube sheets, made of carbon steel; copper tubes; polyurethane insulation; water temperature sensors at the air inlet and outlet; antifreeze heater.
- REFRIGERATING CIRCUIT: reversing valve for refrigerant circuit inversion; sight glass; filter-drier on a liquid line; liquid receiver; service valves on suction line and gas discharge; pressure sensors with the function of indication, monitoring and protection against pressure drops of the refrigerant; oil purification and regeneration system; IDEA® dynamic defrost monitoring system.
- CONDENSER: copper tubes with aluminum fins, which increase the heat transfer of the system and reduce the pressure drop; Characterized by: maximum performance; minimum volume of refrigerant; reduced air consumption; frame made of galvanized steel.
- ELECTRICAL PANEL: main switch with safety lock; fuses for compressors; switches for fans of magneto-thermal type; contactors for the compressor; transformer for the circuit and power supply of the microprocessor; panel with machine controls.
- CONTROL SYSTEM: MP.COM microprocessor control with graphical display; real time clock; flash memory; components hour-meter; a password-protected menu; LAN connection.