aries free cooling
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Catalog excerpts

aries free cooling - 1

ARIES Air-cooled chillers featuring integrated freecooling with R407C equipped scroll compressors. Freecooling offers notable energy savings and rapid paybacks in industries requiring cold water all year round. Aries FC features separate refrigeration and freecooling sections, for improved efficiency versus traditional solutions. ENORMOUS UTILISATION POTENTIAL INDEPENDENT AERAULIC SECTIONS Aries Free-Cooling units are the ideal solution for industrial processes which require cooling throughout the entire year, especially when the ambient air temperature is lower than the temperature of the fluid returning from the process circuit. As an example of the potential of the free-cooling operating mode, for applications with 24 hour/day production cycles the annual percentage of free-cooling operation can be in excess of 90%, resulting in energy savings in the region of 40-50%. The total aeraulic independence of the free-cooling coils with respect to the condensing coils is achieved using dedicated fans and coils within separate compartments. This solution offers maximum efficiency in the exploitation and control of the free-cooling mode, providing a simple and reliable solution to the problems associated with conventional designs in which the free-cooling coils are positioned in front of the condensing coils and served by shared fans. In fact such conventional solutions result in a significant reduction in energy savings because of the higher power consumption of the fans and the critical conditions caused by the concurrency of conflicting requirements, namely the need to reduce the air flow for condensing pressure control and to increase it to maximise the useful free-cooling effect. ADVANCED SOFTWARE Apart from managing the free-cooling parameters, the innovative software, specifically developed by MTA, controls the automatic rotation of the compressors start sequence, the unloading procedure and the management of the optional electronic thermostatic valves. The microprocessor also interfaces with peripheral systems at several levels, from user level to supervision network level. GSM modem connection is offered, as is guaranteed compatibility with the most widely used BMS system communication protocols: BACnet, Lonworks, and ModBus. A PLUG AND PLAY SOLUTION AS 201-301 FC are equipped, as standard, with a storage tank with a finned evaporator immersed within it, whilst AS 351-751 FC feature a shell-and-tube evaporator and an optional storage tank. All hydronic components can be preinstalled inside the unit, creating a packaged solution. This translates into savings in time otherwise required to select hydraulic circuit components plus less complex installation procedures and hence a reduction in installation times and costs. VERSIONS N - standard; SN - low noise; SSN - super-silent; Low ambient temperature version (min. -15 °C). ACCESSORIES Compressor discharge and intake valves; Condensing section electronic fan speed regulation; Electronic thermostatic valves; Storage tank (AS 351-751 FC); Single or double pumps with standard or elevated head pressures; Metal mesh protection filters for coils; Pre-coated coils for aggressive ambients; Crankcase heaters; Phase monitor; Power factor correction capacitors; Antivibration dampers kit; Replicated remote user terminal kit; Supervisor kits.

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aries free cooling - 2

Cooling, conditioning, purifying. 201 251 301 351 401 501 551 601 701 Cooling capacity (1) kW 65,4 70,8 88,2 104 126 148 170 185 206 226 Absorbed power (1) kW 13,9 16,2 17,0 26,3 30,2 35,7 39,6 45,4 47,0 53,9 TOTAL Free Cooling Free Cooling OFF TOTAL Free Cooling Free Cooling OFF Model ARIES Max external air temperature (1) 751 °C 42 45 45 39 41 40 40 38 42 41 Cooling capacity (1) kW 65,4 70,8 88,2 104 126 148 170 185 206 226 Absorbed power (*) kW 1,6 2,3 2,3 4,0 4,0 4,0 4,0 4,0 6,0 6,0 Total freecooling (1) °C 4,3 4,7 2,7 5,0 3,7 2,3 3,4 2,2 4,6 3,5 Cooling capacity (2) kW 46,5 49,5 63,1...

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