Construction features
• Compressor: high energy efficiency semi-hermetic screw compressor with linear capacity control (25-100%). Star-delta limited start-up and complete with integral protection, casing heater and refrigerant gas outlet piping shut-off valve.
• Water side heat exchanger: 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.
• Air side heat exchanger: with micro-channels.
• Fan: external rotor axial type electric fans equipped with internal thermal protection, accident protection grilles and proportional electronic device for continuous fan rotation speed adjustment.
• Control: microprocessor electronic control.
• Structure: made of galvanised and painted steel plate with polyester powder coating.
• The unit is also complete with:
– display of cooling circuit high/low pressure;
– electronic expansion valve;
– clock board;
– Master/Slave control up to 4 units in parallel;
– control of Variable Primary Flow (VPF_R).
Versions
• B – Standard efficiency version (TCAVBL-TCAVBZ).
• T – High efficiency version with oversized condensing section (TCAVTL-TCAVTZ).
• Q – Super-silenced version complete with soundproof compressor technical compartment, reduced speed fans and oversized condensing section (TCAVQL-TCAVQZ).
Models
• TCAVBL: standard efficiency unit designed for cooling only with R513A gas.
• TCAVTL: high efficiency unit designed for cooling only with R513A gas.
• TCAVQL: super silenced unit designed for cooling only with R513A gas.
• TCAVBZ: standard efficiency unit designed for cooling only with R134a gas.
• TCAVTZ: high efficiency unit designed for cooling only with R134a gas.
• TCAVQZ: super silenced unit designed for cooling only with R134a gas.
Factory fitted accessories
• PUMP with single or double electric pump, one of which automatic in standby. The electric pumps are available in the low or high head versions.
• Inverter pump control for unit start-up.
• Desuperheater.
• 100% heat recovery unit.
• Condensing control with fans with EC motor
• Condensing control with over-pressure fans (B-T versions only)
• Power factor correction capacitors (cosφ > 0.94).
• Compressor circuit breaker switches.
• Electro-mechanical flow switch.
• Oil level sensor.
• Forced limit of power consumption.
• Forced noise limit.
• Energy parameter measuring device.
• Soft starter.
• Soundproofed compressor box.
• Cooling circuit intake valves.
• Refrigerant leak detector.
• Cooling circuit high and low pressure gauges.
• Double safety valves.
• Coil protection nets or buffer panels
• Microchannel coils with E-coating treatment, copper/aluminium, copper/copper, pre-painted copper/aluminium
• Control of min/max power supply voltage.
• Digital input for double set-point.
• 4-20 mA analogue signal for shifting set-point.
• Evaporator antifreeze heater, electrical panel, electric pumps and heat exchangers for heat recovery if applicable.
• Low temperature water production.
• Interfaces for serial communication with other devices.
• Colour touch user keypad (fitted on the machine or remotely) with 7” display
• Spring anti-vibration mounts
• Protective packaging
Separately supplied accessories
• Remote keypad with display.
• Thermostat with display.
• Rhoss supervisors for unit monitoring and remote management.
• Rhoss sequencer for integrated management of multiple chillers.
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