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Comparison between NECS and traditional R407C units - Range from 34 to 262 kW The energy efficiency (EER) of these Climaveneta units is further enhanced thanks to the fact that the design of the heat exchange surfaces, coils and plate exchangers was focused on minimising running costs. As well as achieving an EER close to 2.9, this design focus achieves very high levels of reliability and lengthens the working life of the compressor. EER 2,90 2,85 2,80 2,75 2,7 2,65 2,60 2,81 2,63 2,75 2,61 2,80 2,82 2,77 + 10% R407C unit 2,89 2,60 2,60 2,55 2,58 2,54 2,50 ELEVATED PERFORMANCE AT ESEER PART LOADS Increasingly closer attention is being paid towards the power consumption of air-conditioning equipment, both at national and European level. An installed chiller reduces rated energy for extremely short periods of time, while most of the energy is produced with part loads ranging between 50% and 75%. The ESEER parameter proposed by Eurovent, takes part load operating conditions into account when assessing unit efficiency. It should be pointed out that units are only required to deliver 100% of their rated cooling power for 1.4% of their total running time, according to European calculations, and just 0.5% according to American calculations (IPLV). In these conditions, the energy produced by a unit accounts for respectively 3% and just 1% of the total energy produced during its working life. load - energy % 125 100 75 50 25 0 ESEER carico peso 18 20 22 24 26 28 30 32 34 36 IPLV (American) carico peso 12 14 16 18 20 22 24 26 28 30 32 34 36 external air temperature (°C) external air temperature (°C) ESEER IPLV (American) Load Air temp. Time Energy Air temp. Time Energy 100 % 35 °C 1,4 % 3 % 35 °C 0,5 % 1 % 75 % 30 °C 19,9 % 33 % 26,7 °C 28,7 % 42 % 50 % 25 °C 37,1 % 41 % 18,3 °C 46,2 % 45 % 25 % 20 °C 41,6 % 23 % 12,8 °C 24,6 % 12 % Energy = percentage of total power produced in the various load conditions ESEER values of the new NECS units ESEER = Energy 100% * EER 100% + Energy 75% * EER 75% + Energy 50% * EER 50% + Energy 25% * EER 25% SINGLE-CIRCUIT NECS 302LN R410A UNIT EER 100% 2,59 EER 75% 3,59 EER 50% 4,45 EER 25% 4,39 TRADITIONAL TWO-CIRCUIT R407C UNIT WITH TWO SCROLL COMPRESSORS 2,44 EER 100% 2,71 EER 75% 3,21 EER 50% 3,27 EER 25% ESEER 4,10 3,04 ESEER
NECS 0152-1004 Ver. 0152 0182 0202 0252 0302 0352 0412 B 38,1 45,1 50,5 57,0 76,0 86,8 96,9 Cooling capacity (1) LN 36,1 42,8 50,7 57,6 74,2 84,4 96,4 SL 33,8 42,3 47,8 55,5 69,9 85,4 96,8 B 14,4 15,6 19,1 21,5 27,8 31,9 36,3 Total power input (1) LN 15,0 16,5 18,9 21,3 28,6 33,6 37,1 SL 16,3 17,0 20,3 22,6 30,8 33,6 37,4 B 2,65 2,89 2,65 2,65 2,73 2,72 2,67 Total EER LN 2,40 2,60 2,68 2,71 2,59 2,51 2,60 SL 2,07 2,49 2,35 2,46 2,27 2,54 2,59 B 4,03 4,27 4,21 4,14 4,13 4,31 4,16 ESEER LN 4,03 4,18 4,23 4,20 4,10 4,03 4,00 SL 3,77 3,92 4,01 3,93 3,85 3,91 3,89 B 84 84 84 84 85 86 86 Sound power level (3) LN 79 79 80 80 81 83 83 SL 76 77 77 78 78 81 81 B 52 52 52 52 53 54 54 Sound pressur level (4) LN 47 47 48 48 49 51 51 SL 44 45 45 46 46 49 49 NECS-N 0152-1004 Ver. 0152 0182 0202 0252 0302 0352 0412 B 37,7 42,8 47,9 57,5 72,0 82,5 93,9 Cooling capacity (1) LN 35,8 42,0 48,0 54,6 73,2 83,5 93,9 SL - - - - - - - B 13,6 15,7 19,2 20,4 28,0 32,0 36,0 Total power input (1) LN 14,3 16,2 19,1 21,3 27,2 32,0 36,0 SL - - - - - - - B 42,6 47,8 53,8 64,8 80,6 92,9 105 Heating capacity (2) LN 41,6 47,9 53,7 63,2 83,6 95,6 108 SL - - - - - - - B 14,2 15,6 18,1 21,2 26,1 29,8 33,9 Total power input (2) LN 13,8 15,3 18,1 20,7 26,0 30,4 34,2 SL - - - - - - - B 2,99 3,07 2,97 3,06 3,09 3,12 3,09 Total COP LN 3,01 3,14 2,97 3,06 3,21 3,14 3,17 SL - - - - - - - B 84 84 84 84 85 86 86 Sound power level (3) LN 79 79 80 80 81 83 83 SL - - - - - - - B 52 52 52 52 53 54 54 Sound pressure level (4) LN 47 47 48 48 49 51 51 SL - - - - - - - NECS 0152-1004 Dim. (5) Ver. 0152 0182 0202 0252 0302 0352 0412 0452 0512 0504 0524 B 1695 1695 1695 1695 2195 2195 2745 2745 3245 3110 3110 A LN 1695 1695 2195 2195 2745 2745 2745 2745 3245 3110 3110 SL 1695 2195 2195 2745 2745 3245 3245 3245 3245 3110 3110 B 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220 B LN 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220 SL 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220 B 1420 1420 1420 1420 1420 1420 1420 1420 1620 1700 1700 H LN 1420 1420 1420 1420 1420 1620 1620 1620 1620 1700 1700 SL 1420 1420 1420 1420 1420 1620 1620 1620 1620 1700 2150 B 370 410 410 420 620 650 730 780 930 1230 1450 Operating LN 370 410 460 490 660 720 790 820 930 1230 1450 weight SL 390 450 480 540 700 780 860 910 940 1360 1570 NECS-N 0152-1004 Dim. (5) Ver. 0152 0182 0202 0252 0302 0352 0412 0452 0512 0504 0524 B 1695 1695 1695 2195 2195 2195 2745 2745 3245 3110 3110 A LN 1695 1695 2195 2195 2745 2745 2745 2745 3245 3110 3110 SL - - - - - - - - - 3110 3110 B 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220 B LN 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220 SL - - - - - - - - - 2220 2220 B 1420 1420 1420 1420 1420 1420 1420 1420 1620 1700 1700 H LN 1420 1420 1420 1420 1420 1620 1620 1620 1620 1700 1700 SL - - - - - - - - - 1700 2150 B 400 410 420 500 630 690 770 850 950 1380 1570 Operating LN 400 420 460 500 710 770 830 880 990 1380 1570 weight SL - - - - - - - - - 1460 1700
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