Packaged water-cooled water chillers. Range with semi-hermetic screw compressors and R134a refrigerant gas.
• Compressor: high energy efficiency semi-hermetic screw compressor, with part-winding or star-delta limited start (depending on model) and complete with integral protection, crankcase heater and shut-off valve on the refrigerant gas flow pipe.
• Electronic expansion valve: as standard on all models.
• Water side heat exchanger (evaporator): dry expansion shell and tube exchanger with counter-current heat exchange, complete with closed cell polyurethane rubber foam insulation, water flow differential pressure switch and Victaulic connections.
• Water side heat exchanger (condenser): shell and tube complete with safety valve, and service valve on the high-pressure refrigerant circuit.
• Control: microprocessor electronic control.
• Structure: in galvanised and painted sheet steel, with polyester powder coating.
• The unit is also complete with:
- clock board for displaying date/time and machine time band management.
- Display of cooling circuit high/low pressure.
- 0-10V analogue input for condensation control performed by external device.
• B - Standard version (TCHVBZ).
• I - Soundproofed version with soundproofed compressor cover (TCHVIZ).
• TCHVBZ: unit designed for cooling only.
• TCHVIZ: soundproofed unit designed for cooling only.