Page 530 - General Catalogue

EWAH-TZSSB/SLB

Air cooled screw inverter chiller,

standard efficiency,
standard/low sound

› Optimized energy efficiency both at full and part load conditions
› Inverter stepless single-screw compressor
› Advanced compressor technology featuring integrated inverter
and variable volume ratio (VVR)
› HFO R-1234ze(E) Refrigerant with Ozone Depletion Potential equal
to zero and extremely low Global Warming Potential
› Low operating sound levels are achieved by the latest compressor
and fan design
› One or two truly independent refrigerant circuits for outstanding
reliability
› Compact design for small footprint and minimized installation
space

Cooling Only EWAH-TZSSB/SLB 170 200 240 290 330 390 420 490 530 600
Space cooling A Condition 35°C Pdc kW 170.68 199.73 240.35 293.87 326.19 393.7 421.46 490.52 528.28 598.77
ηs,c % 166.8 169.44 179.68 186.68 180.56 181.08 180.56 187.04 186.72 190.68
SEER 4.245 4.311 4.567 4.742 4.589 4.602 4.589 4.751 4.743 4.842
Cooling capacity Nom. kW 171 200 240 294 326 394 421 491 528 599
Power input Cooling Nom. kW 55.4 69.4 83.3 97.5 115 131 146 170 188 212
Capacity control Method Variable
Minimum capacity % 33.4 28.6 23.6 18.7 14.3 13.4 11.8 11.2 10
EER 3.08 2.88 2.89 3.02 2.82 2.99 2.88 2.8 2.82
ESEER 4.45 4.52 4.75 4.56 4.55 4.51 4.6 4.57 4.74
IPLV 5.19 5.22 5.5 5.73 5.52 5.18 5.16 5.4 5.31 5.41
Dimensions Unit Height mm 2,537
Width mm 2,258
Depth mm 2,283 3,183 4,983 5,883 6,783
Weight Unit kg 2,160.6 2,170.6 2,449.4 2,559.4 4,170.2 4,634 5,619
Operation weight kg 2,186.7 2,207.95 2,486.75 2,608.9 4,329.2 4,323.2 4,890 4,867 5,867
Water heat exchanger Type Plate heat exchanger Shell and tube
Water volume l 26 37 50 159 153 256 233 248
Water flow rate Cooling Nom. l/s 8.2 9.5 11.5 14 15.6 18.8 20.1 23.4 25.2 28.6
Water pressure drop Cooling Nom. kPa 15.1 12.3 17.1 18.2 22 24.4 31.6 33.8 31.1 27.8
Air heat exchanger Type Microchannel
Compressor Type Screw inverter
Quantity 1 2
Fan Type Direct propeller
Quantity 4 6 10 12
Air flow rate Nom. l/s 17,448 26,172 43,620 52,344
Speed rpm 760
Sound power level (SSB) Cooling Nom. dBA 97.07 97.53 100.19 101.14 100.59 101.02 103.19 105.6 104.14
Sound power level (SLB) 91.73 92.13 94.69 96,44 95.32 97.69 99.9 99.44
Sound pressure level (SSB) Cooling Nom. dBA 78.10 78.60 80.7 81.70 80.2 80.60 82.40 84.8 83.40
Sound pressure level (SLB) 72.78 73.17 75.2 76.96 74.94 75.31 76.92 79.12 78.67
Operation range Air side Cooling Min.~Max. °CDB -18~50
Water side Cooling Min.~Max. °CDB -8~18
Refrigerant Type/GWP R-1234(ze)/7
Charge kg 27.6 41.4 64.2 78 102
Circuits Quantity 1 2
Piping connections Evaporator water inlet/outlet (OD) 88.9mm 114.3mm 139.7mm 168.3mm
Unit Running Cooling Nom. A 93.0 114.0 137.0 158.0 191.0 217.0 243.0 279.0 307.0 343.0
current Max A 132.0 156.0 217.0 236.0 272.0 312.0 348.0 434.0 500.0 522.0
Power supply Phase/Frequency/Voltage Hz/V 3~/50/400
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