Page 514 - General Catalogue

EWAQ-CWN

Air cooled scroll inverter chiller

› Inverter chiller
› High part load efficiency for low running cost
› Minimal starting currents
› No buffertank required for standard applications
› Daikin scroll compressor
› Wide operation range
› Integrated hydronic module on request

EWAQ-CWN BRC21A52

Cooling Only EWAQ-CWN 016 021 025 032 040 050 064
Space cooling A Condition 35°C Pdc kW 16.8 21.0 25.3 31.6 42.1 50.5 63.2
ηs,c % 168 163 165 154 164 165 154
Cooling capacity Nom. kW 16.8 21.0 25.3 31.6 42.1 50.5 63.2
Power input Cooling Nom. kW 5.93 7.61 9.60 12.9 15.1 19.2 25.7
Capacity control Method Inverter controlled
Minimum capacity % 25
EER 2.84 2.77 2.63 2.45 2.79 2.63 2.46
ESEER 4.37 4.26 4.17 3.87 4.28 4.18 3.87
Dimensions Unit Height mm 1,684
Width mm 1,370 1,680 2,360 2,980
Depth mm 774 780
Weight Unit kg 268 321 403 579 741
Water heat Type Brazed plate
exchanger Water volume l 3 5 6 9
Water Cooling Total kPa 8 10 14 8 10 14 8
pressure drop
Air heat exchanger Type Air cooled coil
Compressor Type Hermetically sealed scroll compressor
Quantity 1 2 3 4 6
Fan Type Axial
Quantity 1 2 4
Air flow rate Cooling Nom. m³/min 171 185 233 370 466
Sound power level Cooling Nom. dBA 78.0 80.0 81.0 83.0
Operation range Air side Cooling Min.~Max. °CDB -5~43
Water side Cooling Min.~Max. °CDB -10~20
Refrigerant Type/GWP R-410A/2,087.5
Control Electronic expansion valve
Circuits Quantity 1 2
Refrigerant charge Per circuit kg 7.60 9.60 7.60 9.60
Per circuit TCO2Eq 15.9 20.0 15.9 20.0
Water circuit Piping connections diameter inch 1-1/4" (female) 2" (female)
Piping inch 1-1/4" 1-1/2"
Unit Starting current Max A 0.0 77.7 78.7 88.7 99.8 101.9 120.7
Running current Max A 22.2 25.3 26.4 35.2 47.4 49.6 67.2
Power supply Phase/Frequency/Voltage Hz/V 3N~/50/400

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