Page 516 - General Catalogue

EWAD-CFXS/XL

Air cooled screw chiller

with free cooling,
high efficiency,

standard/low sound

› Free cooling chiller for space cooling and industrial processes
› Stepless single-screw compressor
› Greater energy savings and reduced CO2 emissions during cold
season
› Wide operating range
› MicroTech III controller with superior control logic and easy
interface

Cooling only EWAD-CFXS/XL 640 770 850 900 C10 C11 C12 C13 C14 C15 C16
Cooling capacity Nom. kW 640 (1) / 772 (1) / 852 (1) / 902 (1) / 1,027 (1) / 1,089 (1) 1,269 (1) 1,349 (1) 1,435 (1) / 1,493 (1) / 1,555 (1) /
415 (2) 510 (2) 583 (2) 612 (2) 701 (2) / 734 (2) / 902 (2) / 957 (2) 963 (2) 1,013 (2) 1,039 (2)
Power input Cooling Nom. kW 257 (1) / 272 (1) / 293 (1) / 324 (1) / 360 (1) / 399 (1) / 397 (1) / 439 (1) / 454 (1) / 492 (1) / 530 (1) /
53.7 (2) 62.0 (2) 64.7 (2) 69.8 (2) 75.7 (2) 83.4 (2) 86.4 (2) 92.8 (2) 101 (2) 109 (2) 115 (2)
Capacity control Method Stepless
Minimum capacity % 12.5
EER 2.49 (1) / 2.84 (1) / 2.90 (1) / 2.78 (1) / 2.85 (1) / 2.73 (1) / 3.19 (1) / 3.08 (1) / 3.16 (1) / 3.04 (1) / 2.93 (1) /
11.91 (2) 12.44 (2) 13.17 (2) 12.93 (2) 13.56 (2) 13.05 (2) 14.68 (2) 14.55 (2) 14.21 (2) 13.72 (2) 13.50 (2)
ESEER 3.44 3.52 3.78 3.50 3.74 3.54 3.88 3.78 4.01 3.96 3.85
IPLV 3.86 4.03 4.10 4.05 4.00 3.95 4.36 4.25 4.36 4.35 4.26
Dimensions Unit HeightxWidthxDepth mm 2,565 2,565 2,565x2,480x8,100 2,565 2,565x2,480x10,800
x2,480 x2,480 x2,480
x6,300 x7,200 x9,000
Weight (XS) Unit kg 7,760 8,340 8,900 10,160 10,420 11,900 12,540 12,620 12,670
Operation weight kg 8,515 9,100 9,705 11,169 11,429 13,276 14,516 14,596 14,646
Weight (XL) Unit kg 8,050 8,620 9,190 10,450 10,710 12,190 12,830 12,910 12,960
Operation weight kg 8,795 9,390 9,995 11,459 11,719 13,566 14,806 14,886 14,936
Water heat Type Single pass shell & tube
exchanger Water Cooling Nom. l/s 27.8 (1) / 33.5 (1) / 37.0 (1) / 39.2 (1) / 44.6 (1) / 47.3 (1) / 55.1 (1) / 58.6 (1) / 62.4 (1) / 64.9 (1) / 67.6 (1) /
flow rate 27.8 (2) 33.5 (2) 37.0 (2) 39.2 (2) 44.6 (2) 47.3 (2) 55.1 (2) 58.6 (2) 62.4 (2) 64.9 (2) 67.6 (2)
Water Cooling Nom. kPa 85 (1) / 105 (1) / 90 (1) / 101 (1) / 111 (1) / 124 (1) / 98 (1) / 110 (1) / 139 (1) / 150 (1) / 162 (1) /
pressure 128 (2) 172 (2) 178 (2) 198 (2) 245 (2) 272 (2) 232 (2) 259 (2) 305 (2) 328 (2) 354 (2)
drop
Water volume l 741 771 808 1,012 1,372 1,965
Air heat exchanger Type High efficiency fin and tube type
Compressor Type Asymmetric single screw compressor
Quantity 2
Fan Type Direct propeller
Air flow rate Nom. l/s 50,368 60,441 70,515 80,588 95,253
Sound power level (XS) Cooling Nom. dBA 100.0 101.0 102.0 103.0
Sound power level (XL) Cooling Nom. dBA 96.0 97.0 98.0 99.0
Sound pressure level (XS) Cooling Nom. dBA 79.0 80.0 81.0 80.0
Sound pressure level (XL) Cooling Nom. dBA 76.0 77.0
Operation range Air side Cooling Min.~Max. °CDB -20~45
Water side Cooling Min.~Max. °CDB -8~15
Refrigerant Type/GWP R-134a/1,430
Circuits Quantity 2
Refrigerant charge kg/TCO2Eq 64.0/91.5 73.0/104.4 81.0/115.8 91.0/130.1 107.0/153.0 112.5/160.9 124.0/177.3
Piping connections Evaporator water inlet/outlet (OD) DN150PN16(168.3mm) DN200PN16(219.1mm) DN250PN16(273mm)
Unit Starting current Max A 605 619 658 924 971 1,030 1,073 1,086
Running Cooling Nom. A 404 430 467 515 568 628 636 701 720 773 825
current Max A 476 510 561 605 672 731 811 875 929 982
Power supply Phase/Frequency/Voltage Hz/V 3~/50/400
(1) Cooling: entering evaporator water temp. 16°C; leaving evaporator water temp. 10°C; ambient air temp. 35°C; full load operation.
(2) Data is calculated at ambient air temperature 5°C, inlet water temperature 16°C.
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