High energy efficiency packaged air-cooled water chillers with axial fans.
Range with semi-hermetic screw compressors and R134a refrigerant gas.
• Compressor: high energy efficiency semi-hermetic screw compressor, with star-delta limited start and complete with thermal protection,crankcase heater and compressor discharge shut-off valve.
• Electronic expansion valve: as standard on all models.
• Water side heat exchanger (mod. 2330÷2460): stainless steel plate exchanger with closed cell polyurethane foam rubber insulation, complete with water fl ow diff erential pressure switch and Victaulic connections.
• Water side heat exchanger (mod. 2510÷21290): dry expansion shell and tube exchanger with counter-current heat exchange, completewith closed cell polyurethane rubber foam insulation, water flow differential pressure switch and Victaulic connections.
• Air side heat exchanger: fi nned coil exchanger with copper pipes and aluminium fins.
• Fan: electric axial fans with EC motor with continuous adjustment of the rotation speed, equipped with internal thermal protection andcomplete with protection grilles.
• Control: electronic microprocessor control prepared for connection with the main BMS on the market (MODBUS RTU, LON).• Structure: in galvanised and painted sheet steel, with polyester powder coating.
• The unit is also complete with:
- display of refrigerant circuit high/low pressure;
- clock card.