Water chillers and packaged reversible air-cooled heat pumps with axial fans. Range with hermetic scroll compressors and R32 refrigerant.
Construction features
• Compressor: scroll type, rotary, hermetic complete with thermal protection and casing heater.
• 3 capacity steps with high efficiency at partial loads.
• Water side heat exchanger: with stainless steel plates, complete with closed cell polyurethane foam rubber insulation and water flow differential pressure switch.
• Air side heat exchanger: featuring micro-channels (TCAEI) or finned coil with copper pipes and aluminium fins (THAEI).
• Fan: external rotor axial type electric fans equipped with internal thermal protection, accident protection grilles and proportional electronic device for continuous fan rotation speed regulation.
• Control: microprocessor electronic control with Adaptive Function Plus logic.
• Structure: load-bearing structure made of galvanised and painted steel plate with polyester powder coating.
• The unit is also complete with:
– compressor and fan circuit breaker switches;
– electronic expansion valve;
– display of cooling circuit high and low pressure;
– Master/Slave control up to 4 units in parallel;
– clock board;
– control of Variable Primary Flow (VPF_R).
Versions
• T – High efficiency version with oversized condensing section (TCAETI-THAETI).
• Q – Super-silenced version complete with compressor technical compartment soundproofing, reduced speed fans and oversized condensing section (TCAEQI-THAEQI).
Models
• TCAETI: high efficiency unit designed for cooling only.
• TCAEQI: super silenced unit designed for cooling only.
• THAETI: heat pump unit.
• THAEQI: super silenced heat pump unit.
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.
• TANK&PUMP with 230 – 440 litre integrated buffer tank (depending on the sizes) and single or double electric pump, complete with expansion tank, air vent valves, safety valve and water side pressure gauge.
• Inverter pump control for unit start-up.
• Desuperheater.
• Desuperheater with pump and mixing valve
• 100% heat recovery unit (TCAEI)
• Condensing control with fans with EC motor (fitted as standard in TCAEQI-THAEQI 270-285).
• Condensing control with over-pressure fans (T version only)
• Power factor correction capacitors (cosφ > 0.94).
• Forced limit of power consumption.
• Forced noise limit.
• Energy parameter measuring device.
• Soft starter.
• Technical compressor compartment soundproofing.
• Compressor soundproof enclosures.
• Cooling circuit outlet and inlet valves (TCAETI-TCAEQI).
• Cooling circuit outlet valves (THAETI-THAEQI).
• Refrigerant leak detector.
• Cooling circuit high and low pressure gauges.
• Double safety valves.
• Metal filters or coil protection nets.
• Microchannel coils with E-coating treatment, copper/copper, copper/aluminium, pre-painted copper/aluminium or with hydrophilic treatment depending on versions.
• Control of min/max power supply voltage and backup battery
• Digital input for double set-point.
• 4-20 mA analogue signal for shifting set-point.
• Evaporator antifreeze heater, electrical panel, buffer tank, electric pumps and heat exchangers for heat recovery, if applicable, and base.
• Low temperature water production.
• Interfaces for serial communication with other devices.
• Rubber anti-vibration mounts.
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.
