i-accurate_gb_ High precision air-conditioners for data centres cooling, with new inverter technology and R-410A refrigerant, from 6 to 150 kw
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1 i-accurate_gb_ igh precision air-conditioners for data centres cooling, with new inverter technology and R-410A refrigerant, from 6 to 150
2 Coming form 40 years experience in air conditioning and process cooling, i-accurate is the ultimate solution for technical rooms and data centres cooling: Precise temperature and humidity control Complex IT centres require to keep temperature and humidity within very strict parameters. This is particularly difficult due to extremely variable thermal loads, that require very high cooling capacity at full load, in order to avoid to compromise the correct operation of the IT machines when they are more necessary. The massive use of the new inverter technology on PAC units for technical rooms, makes possible to keep ambient temperature and humidity constant even with very strong loads variations, preventing dangerous temperature variations, almost unavoidable with traditional ON/OFF compressor driven units. Cooling IT load igh efficiency at partial loads Data Center energy consumption Most energy consumed by modern data centres is due to ambient cooling. In more and more cases the cost due to cooling are higher than those caused by data exchange. In systems characterized by 24 operations, also the slightest compromise concerning efficiency has dramatic implications in the operating costs of the whole data centre. ence it is crucial that the air conditioning system of the centre works effectively also at part loads, which are the most frequent operating condition, in order to reduce the overall operating cost. i-accurate strong point is exactly efficiency at part loads. Thanks to the adoption of inverter DC brushless compressors up to 30 and inverter AC for lager capacities, these units can reduce by 50% consumptions at part load, if compared to a traditional ON/OFF compressor. This is made possible also thanks to the advantages of variable air flow enabled by last generation EC fans. Versatility From Climaveneta s experience i-accurate high precision air conditioners, available both as direct expansion and free-cooling versions are the most efficient and reliable solution on the market. The many types of structures used as technical areas and the need to optimize their dimensions, require flexible solutions, that can adapt to any room, always granting perfect control and highest efficiency. This means complete flexibility, both as concerns capacities (from 6 to 150 Inverter), as well as configuration and system with 5 different cooling solutions, including FREECOOING with R410A. 2 l 3
3 Efficiency, versatility and reliability. These are the strong points that make i-accurate a point of reference in high precision air conditioning. Advantages that come from distinctive technological choices in every aspect of this units. Inverter technology -10% NEW GENERATION EC fans Annual power consumption The inverter driven compressor, though the variable frequency, modulates the power capacity provided, hence enabling to optimize the performances at part load, increasing efficiency. Moreover a larger capacity can be reached at full load, thus ensuring that the required temperature will be reached in a shorter time. Afterwards temperature variations can be easily controlled with minimized energy consumption, because once the set is reached, the compressor works at part load, reducing energy consumption and effectively maintaining the desired conditions. Plug-in (AC) EC (DC) -15% EC-New generation (DC) -25% The high efficiency EC fan reduces both noise levels as well as energy consumption, and assures a variable air flow at part loads, optimizing the operating costs of the unit. Main features Further noise level reduction 4-5 db(a) Further absorbed power reduction by 15% An advanced logic simultaneously manages fans and inverter compressors modulation, with savings at part loads up to 50%. 100% In case of low z Operation 55% Max 70% 30% In this respect i-accurate represents the ultimate solution in high precision air conditioning, with the most updated compressors, both DC inverter brushless, for units from 7 to 30 and Inverter AC for larger capacities. Both solutions allow to perfectly adapt the unit s performance to the real requirements of the building even at part load, which represent more than 75% of the operating time of the system. This ensures an energy saving up to 50% higher than solutions based on traditional ON/OFF compressors. EC fans also in the remote condensers The use of EC technology even on the remote condenser fan assures a further average reduction of noise levels by 10%, together with a strong reduction of energy consumption by 45% compared with traditional condensers with AC technology. Constant speed AC Inverter DC Inverter Intelligent Control i-accurate, has an intelligent regulation, that allows the complete control of all the unit s parameters in any condition. i-accurate control is completely open and can be set according to the specific needs of the customer, either on site or in advance when the unit is produced. Electronic thermostatic valve The electronic valve is used in a very peculiar way in order to guarantee optimum operating conditions at the evaporator. The INVERTER units come with electronic expansion valves as standard. These valves have a much wider modulation capacity; it stands out for its quality of control and for its capacity to quickly reach and maintain the operating stability of the unit and joined with INVERTER compressor technology allows a quick fluctuation-free regulation, and therefore a highly accurate adjustment to the swings of load and ambient conditions. 4 l 5
4 All-round flexibility seen as a service offered for any type of system. i-accurate comes with capacities from 6 to 150 in the direct expansion version with air cooling (i-axo / i-axu) and water cooling (i-awo / i-awu) and capacities from 11 to 130 in version dual fluid (i-ado / i-adu and i-ato / i-atu) and free cooling (i-afo / i-afu). Types of cooling i-axo/i-axu DIRECT EXPANSION AIR COOED, with INVERTER compressor for heat transfer is used in these direct expansion units. The air in the room is therefore treated in the evaporating coil containing the refrigerant. The condensation heat is dispersed to a fresh air condenser that with speed control for condensing control, optimise the condensation pressure even in adverse temperature conditions. Units provided per standard with EC inverter fans who represents today the best solution for energy saving. i-awo/i-awu DIRECT EXPANSION WATER COOED, with INVERTER compressor for heat transfer is used in these direct expansion units. The air in the room is therefore treated in the evaporating coil containing the refrigerant. The condensation heat is dispersed in an internal platetype exchanger connected in turn to a water circuit. The water of condensation may come from a well, local water mains or closed circuits such as cooling towers or dry coolers. Units provided per standard with EC inverter fans who represents today the best solution for energy saving. NB: for negative External T values antifreeze fluids must be used to protect the system i-ato/i-atu Dual Fluid Inverter These units are per standard provided with a dual cooling systems who never work simultaneously. A PRIMARY circuit, made by a chilled water circuit (CW) generally connected to an external chiller, plus a SECONDARY circuit in direct expansion (DX) water cooled, who is considered as BACK-UP. Such units are particulary indicated anywhere REIABIITY, SAFETY and REDUNDANCY are required. Units provided per standard with EC inverter fans who represents today the best solution for energy saving. i-afo/i-afu Free Cooling Inverter These units are per standard provided with a dual cooling systems who are often working simulateusly along the year. A PRIMARY direct expansion circuit (DX) plus a SECONDARY chilled water circuit (CW) generally connected to an external dry cooler who is considered as "support" to the primary one. Such units are particulary indicated anywhere EFFICIENCY & ENERGY SAVING are required. Units provided per standard with EC inverter fans who represents today the best solution for energy saving. i-ado/i-adu Dual Fluid Inverter These units are per standard provided with a dual cooling systems who never work simultaneously. A PRIMARY circuit, made by a chilled water circuit (CW) generally connected to an external chiller, plus a SECONDARY circuit in direct expansion (DX) air cooled, who is considered as BACK-UP. Such units are particulary indicated anywhere REIABIITY, SAFETY and REDUNDANCY are required. Units provided per standard with EC inverter fans who represents today the best solution for energy saving. Airflow configuration OVER The versions called OVER with air outflow from the top generally have the air intake at the front, rear or bottom of the unit, according to customer choice, and the outflow from the top is along ducts behind suspended ceilings or front delivery plenums. OVER unit with front intake and delivery plenum OVER unit with front intake and top delivery OVER unit with underfloor intake and top delivery OVER unit with rear intake and top delivery UNDER The versions called UNDER with air outflow under the floor have the air intake on the top of the unit taking air directly from the environment or through intake ducts or plenums. UNDER unit with top intake and front delivery plenum UNDER unit with top intake and undefloor delivery 6 l 7
5 COOING r FC R-410A i-accurate range unit with R410A & inverter driven scroll compressor from 6 to 150, air cooled. ACCURATE INVERTER i-ax Power supply V/Ph/z n Circuits/Compressors PERFORMANCES igh Speed Total cooling capacity (1) Sensible cooling capacity (1) ow speed Total cooling capacity (1) Sensible cooling capacity (1) Total cooling capacity (1) Sensible cooling capacity (1) Nominal air flow volume m 3 /h Fan absorbed power Sound pressure level (2) db(a) UMIDIFIER EECTRICA EATERS Steps DIMENSIONS P F2 F3 F4 F5 F6 F7 F7 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 R410A R410A R410A R410A R410A R410A R410A 1/1 1/1 1/1 2/2 2/2 2/3 2/3 16,60 28,07 53,14 68,40 84,68 133,9 149,8 16,60 28,07 50,30 67,30 84,68 115,3 123,2 1,00 1,00 0,95 0,98 1,00 0,86 0,82 4,09 7,14 13,92 16,47 21,03 32,05 36,2 3,65 3,24 3,12 3,25 3,12 3,44 3,48 6,27 10,62 23,68 22,06 22,70 23,1 23,1 6,27 10,62 23,68 22,06 22,70 23,1 23,1 1,00 1,00 1,00 1,00 1, ,24 1,96 4,85 4,82 4,83 5,08 5,08 20,42 34,77 56,52 85,31 93, ,44 31,10 51,30 74,60 89, ,90 0,89 0,91 0,87 0, ,66 8,00 15,24 22,49 24, ,47 1,51 3,13 4,57 6,1 6,9 6, ,75 3,75 3, ,25 11, (1) Indoor conditions :24 C-50% Condensing temp.45 C - ESP 20Pa (2) Measured at 1,5 m height, 2 m in front of the unit in free field 8 l 9
6 COOING r FC R-410A COOING r FC R-410A i-accurate range unit with R410A & inverter driven scroll compressor from 6 to 150, water cooled. Close control unit dual fluid, air cooled direct expansion. i-accurate range unit with R410A & inverter driven scroll compressor from 11 to 130, air cooled dual fluid. i-accurate INVERTER i-aw Power supply V/Ph/z n Circuits/Compressors PERFORMANCES igh Speed Total cooling capacity (1) Sensible cooling capacity (1) ow speed Total cooling capacity (1) Sensible cooling capacity (1) Total cooling capacity (1) Sensible cooling capacity (1) PATES CONDENSER N Water flow l/h Pressure drop Nominal air flow volume m 3 /h Fan absorbed power Sound pressure level (2) db(a) UMIDIFIER EECTRICA EATERS Steps DIMENSIONS P F2 F3 F4 F5 F6 F7 F7 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 R410A R410A R410A R410A R410A R410A R410A 1/1 1/1 1/1 2/2 2/2 2/3 2/3 17,4 29, ,3 91,5 140,6 156, ,6 50,8 69,5 89,8 118,1 126,4 0,98 0,98 0,92 0,96 0,98 0,84 0,81 3,68 6, ,5 19,6 29,1 33,04 4,19 3,71 3,41 3,79 3,56 3,91 3,93 7,27 12,3 25,7 23,6 25,4 25,7 25,7 7,27 12,3 25,7 23,6 25,4 25,7 25, ,96 1,43 3,83 3,99 3,92 3,94 3,94 21,69 35,3 58,07 88,03 100, ,96 31,1 52,00 75,9 93, ,87 0,88 0,90 0,86 0, ,97 7,83 14,46 21,00 23, ,47 1,51 3,13 4,57 6,1 6,9 6, ,75 3,75 3, ,25 11, i-accurate INVERTER i-ad Power supply V/Ph/z n Circuits/Compressors PERFOMANCES igh speed Total cooling capacity (1) Sensible cooling capacity (1) ow speed Total cooling capacity (1) Sensible cooling capacity (1) Total cooling capacity (1) Sensible cooling capacity (1) PERFOMANCES CW Total cooling capacity (2) Sensible cooling capacity (2) Water flow (2) l/h Pressure drop Nominal ai flow volume m 3 /h Fan absorbed power Sound pressure level (5) db(a) UMIDIFIER EECTRICA EATERS Steps DIMENSIONS P F3 F4 F5 F6 F7 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 R410A R410A R410A R410A R410A 1/1 1/1 2/2 2/2 2/3 27,5 51,5 67,4 89,6 122,6 27,5 49,5 66,6 85,1 107,9 1 0,96 0,99 0,95 0,88 6,83 14,1 16,8 21,8 31,7 3,19 2,89 3,04 3,20 3,18 11,3 21,3 19, ,4 11,3 21,3 18, , , ,05 4,9 4,88 4,95 5,07 32,54 54,47 76,6 99,1-30,15 50,78 70,6 89,4-0,93 0,93 0,92 0,90-9,21 14,41 20,2 25,4-29,5 51,4 67, ,7 27,6 47,5 64, ,5 0,94 0,92 0,95 0,93 0, ,78 3,69 5,38 6,24 6, ,75 3, , (1) Indoor conditions :24 C-50% Water C - ESP 20Pa (2) Measured at 1,5 m height, 2 m in front of the unit in free field (1) Indoor conditions : 24 C-50%, Condensing temp. 45 C - ESP 20Pa (2) Indoor conditions : 24 C-50%, Water 7-12 C - ESP 20Pa (5) Measured at 1,5 m height in front of the unit in free field 10 l 11
7 COOING r FC R-410A COOING r FC Close control unit dual fluid, air cooled direct expansion i-accurate range unit with R410A & inverter driven scroll compressor from 11 to 130, water cooled, dual fluid. Close control unit dual fluid, air cooled direct expansion. i-accurate range unit with R410A & inverter driven scroll compressor from 11 to 130, free cooling source. i-accurate INVERTER i-at Power supply V/Ph/z n Circuits/Compressors PERFOMANCES igh speed Total cooling capacity (1) Sensible cooling capacity (1) ow speed Total cooling capacity (1) Sensible cooling capacity (1) Total cooling capacity (1) Sensible cooling capacity (1) WATER CONDENSER PATE Quantity Condensing water flow (1) l/h Pressure drop DX functioning PERFOMANCES CW Total cooling capacity (2) Sensible cooling capacity (2) Water flow (2) l/h Pressure drop Nominal air flow volume m 3 /h Fan absorbed power Sound pressure level (5) db(a) UMIDIFIER EECTRICA EATERS Steps DIMENSIONS P F3 F4 F5 F6 F7 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 R410A R410A R410A R410A R410A 1/1 1/1 2/2 2/2 2/3 28,6 53,5 71,4 92,9 128,6 28,4 50,3 68,5 86,2 110,4 0,99 0,94 0,96 0,92 0,86 6,15 13,1 14,7 20,2 28,6 3,61 3,19 3,56 3,51 3,62 12,4 23,2 21,2 22,9 24,5 12,4 23,2 18,9 21,7 24, ,89 0,94 1 1,49 3,79 3,82 3,88 3,91 33,3 56,26 80,3 102,2-30,47 51,42 72,0 90,2-0,92 0,91 0,90 0,88-8,72 14,4 18,3 23, ,5 51,4 67, ,7 27,6 47,5 64, ,5 0,93 0,92 0,95 0,93 0, ,78 3,69 5,38 6,24 6, ,75 3, , i-accurate INVERTER i-af PERFOMANCES Total cooling capacity (1) Total cooling capacity (1) Sensible cooling capacity (1) Quantity Pressure drop DX functioning Total cooling capacity (2) Sound pressure level (5) db(a) EECTRICA EATERS F3 F4 F5 F6 F7 400/3N/50 400/3N/50 400/3N/50 400/3N/50 400/3N/50 R410A R410A R410A R410A R410A 1/1 1/1 2/2 2/2 2/3 28,6 53,5 71,4 92,9 128,6 28,4 50,3 68,5 86,2 110,4 0,99 0,94 0,96 0,93 0,86 6,15 13,1 14,7 20,2 28,6 3,61 3,19 3,56 3,51 3,62 12,4 23,2 21,2 22,9 24,5 12,4 23,2 18,9 21,7 24, ,89 0,95 1 1,49 3,79 3,82 3,88 3,91 33,3 56,26 80,3 102,2-30,47 51,42 72,0 90,2-0,92 0,91 0,90 0,88-8,72 14,4 18,3 23, ,3 43,5 57,7 78,1 104,5 24,3 43,5 57,7 78,1 94, , ,78 3,69 5,38 6,24 6, ,75 3, , (1) Indoor conditions: 24 C-50%, Water C - ESP 20Pa (2) Indoor conditions: 24 C-50%, Water 7-12 C - ESP 20Pa (5) Measured at 1,5 m height in front of the unit in free field (1) Indoor conditions: 24 C-50%, Water C - ESP 20Pa (2) Water IN 10 C water flow as DX mode - ESP 20Pa (5) Measured at 1,5 m height in front of the unit in free field 12 l 13
8 All around the world, in the most important data centres, and in all projects where efficiency, quality and reliability are a must, i-accurate high precision air conditioners are the best guarantee Sir Francis Bacon British Philosopher ( ) IBM Mompellier ead offices Suvidha Eads - Casa Over 24 units Accurate in different installations, over 400 total capacity, provided by: Accurate AXU 50, Accurate AXU 88, Accurate AXU 40, Accurate AXU 55, Accurate AXO 7, Accurate AXO 10 India Dual Fluid units, 8 Accurate ADU60BE, 4 Accurate ADU 30 BE Spain Accurate DXO 18 Telefonica Cile Túneles M-30 Chile Over 20 DX aircooled units among which, Accurate AXO 55, Accurate AXU 60, Accurate AXO 20, Accurate AXO 07, Accurate AXU 50 Spain Accurate DXU 20 / 10 attelkom argest Telecounications and IT network in atvia Over Accurate 24 units in different installations, over 400 total capacity, provided by: Accurate AXU 50, Accurate AXU 88, Accurate AXU 40, Accurate AXU 55, Accurate AXO 7, Accurate AXO 10 Buygues Telecom France Accurate ACU 25 EC, Accurate ACU 70 EC, Accurate ACU 70 EC, Accurate ACU 90 EC, Accurate ADU 20, Accurate ADU l 15 Alphabank Romania 8 Dual fluid units, Accurate ATO 77BE, Accurate ATO 60BE Gazprom Russia Accurate DU 077BE, Accurate DU 039ME ispasat Verwaltung der AOK Deutschland Caffemacherreihe Nr. 16 Offices Spain Accurate DXU 39 / 29 / 20 / 18 Berlin - Germany DX watercooled units, Accurate AWU 26 amburg - Germany DX watercooled units, Accurate AFU 50
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