Cooling only condenserless units. Range with semi-hermetic screw compressors and R134a refrigerant gas.

Construction features

• Compressor: high energy efficiency semi-hermetic screw compressor, with star-delta or part-winding start up (depending on models) and complete with integral protection, casing heater and refrigerant gas outlet piping shut-off valve.
• Electronic expansion valve: as standard on all models.
• Water side heat exchanger (evaporator): dry expansion shell and tube exchanger with counterflow heat exchange, complete with closed cell polyurethane foam rubber insulation, water flow differential pressure switch and Victaulic fittings.
• Control: microprocessor electronic control.
• Structure: made of galvanised and painted steel plate with polyester powder coating.
• The unit is also complete with:
– clock board;
– display of cooling circuit high/low pressure;
– Master/Slave control up to 4 units in parallel.

Versions

• B -Standard version (TCEVBZ).
• I -Soundproofed version with soundproofing compressor lining (TCEVIZ).

Models

• TCEVBZ: unit designed for cooling only.
• TCEVIZ: soundproofed unit designed for cooling only.

Factory fitted accessories

• VPF control.
• Power factor correction capacitors (cosφ > 0.94).
• Circuit breaker switches.
• Forced limit of power consumption.
• Soft starter.
• Inlet compressor shut-off valves
• Linear capacity control compressors (50-100 % for each compressor).
• Evaporator antifreeze heater.
• Digital input for double set-point.
• Compressor oil level sensor.
• Control of min/max power supply voltage.
• 4-20 mA analogue signal for shifting set-point.
• Interfaces for serial communication with other devices.
• Spring anti-vibration mounts.
• Rubber anti-vibration mounts.

Separately supplied accessories

• Remote keypad with display.
• Rhoss supervisors for unit monitoring and remote management.
• Rhoss sequencer for integrated management of multiple chillers.