EREBATM 17-21 Inverter Air-Cooled Liquid chillers & Reversible Air-to-Water Heat Pumps The EREBATMliquid chiller/heat pump range was designed for commercial applications such as the air conditioning of offices, hotels and large residential houses. The units integrate the latest technological innovations: Non-ozone depleting refrigerant R410A, DC inverter twin-rotary compressors, low-noise variable speed fans and microprocessor control. With exceptional energy efficiency values the inverter chillers qualify for local tax reductions and incentive plans in all EU countries. Foradded flexibility the EREBATM units are available with hydraulic module integrated into the unit chassis, limiting the installation to straightforward operations like connection of the power supply and the water supply and return piping. Features The EREBATMheat pump systems can be used with a wide choice of CIAT terminal fan coil units,and ductable products. Ecodesign is the European Directive that sets mandatory requirements for Energy related Products (ErP) to improve their energy efficiency. Compressor frequency is increased continuously up to the maximum level. This ensures that there are no current draw peaks in the start-up phase. Inverter ramp-up speed makes Quiet operation soft starts unnecessary and ensures immediate maximum ■ Compres power. sors - The two rotary compression cylinders, offset from each - Low-noise INVERTER Twin rotary compressor with low other by 180°, and the DC brushless motor with the shaft in vibration levels perfect balance ensure reduced vibration and noise, even - Advanced technology providing maximum energy-efficiency at very low operating speeds. This results in an extremely with high capacity available at peak conditions and wide range between minimum and maximum capacity optimised efficiency at low and mid compressor speeds. with continuous operation, guaranteeing that the system TheEREBA heat pump DC inverter uses Intelligent PowerTM is always optimised and provides maximum comfort at Drive Unit (IPDU) hybrid inverter technology. An electronic exceptionally high efficiency levels. management logic is used to optimised compressor operation - Twin-rotary cylinders, low vibrations and low load to the shaft in all conditions, minimised temperature fluctuation to give a ensure highest compressor reliability and a long trouble-free perfect individual comfort control with significant reduction ofoperating life. energy consumption: - All DC brushless twin-rotary compressors are equipped with PWM: pulse width modulation of the direct current controls internal system to secure the motor against oil issues due to the compressor at partial load conditions, adjusting the colder climate. frequency at fixed voltage. The compressor speed is fine- tuned and the system provides high-level comfort (no ■ Air heat exchanger section temperature fluctuatons) aexceponally ecent working - Vertical air heat exchanger coils conditions. - The latest-generation low-noise fans are now even quieter and do not generate intrusive low-frequency noise - Rigid fan installation for reduced start-up noise. Easy and fast installation ■ Integrated hydraulic module - Variable speed circulator - Water filter protecting the water pump against circulating debris - High-capacity membrane expansion tank ensures pressurisation of the water circuit - Overpressure valve, set to 3 bar - Thermal insulation and frost protection down to -20°C, using an electric resistance heater and pump cycling. 326 326 CATALOGUE 2021