Page 560 - General Catalogue

EWYD-BZSS

Air cooled screw inverter

heat pump,
standard efficiency,

standard sound

› Ideal solution for commercial comfort cooling and/or heating
applications
› Optimum ESEER values
› 2-3 truly independent refrigerant circuits
› Low starting current
› DX shell and tube evaporator – one pass refrigerant side to
minimize pressure drops
› Standard electronic expansion valve
› Optimised defrost cycles
› Partial and total heat recovery option available
› Power factor up to 0.95
› PID microprocessor control

Heating & Cooling EWYD-BZSS 250 270 290 320 340 370 380 410 440 460 510 520 580
Cooling capacity Nom. kW 253 272 291 323 337 363 380 411 433 455 502 519 580
Heating capacity Nom. kW 271 298 325 334 350 380 412 445 465 477 533 561 618
Power input Cooling Nom. kW 91.3 101 110 117 125 135 144 154 165 163 182 189 218
Heating Nom. kW 91.4 100 108 118 126 133 143 157 167 165 178 186 208
Capacity control Method Stepless
Minimum capacity % 13.0 9.0
EER 2.77 2.70 2.65 2.75 2.69 2.68 2.63 2.66 2.62 2.79 2.76 2.74 2.67
ESEER 3.93 3.92 3.89 3.95 3.89 3.90 3.82 3.91 3.89 4.18 4.01 3.93
COP 2.96 2.97 3.00 2.82 2.78 2.85 2.88 2.83 2.79 2.88 2.99 3.01 2.97
IPLV 4.58 4.62 4.75 4.64 4.71 4.67 4.73 4.69 4.85 4.89 4.85 4.78
Space heating Average climate General ηs (Seasonal %
water outlet 35°C space heating 125 -
efficiency)
SCOP 3.21 3.20 3.21 -
Dimensions Unit Height mm 2,335 2,280
Width mm 2,254
Depth mm 3,547 4,428 5,329 6,659
Weight Unit kg 3,410 3,455 3,500 3,870 3,940 4,010 4,390 5,015 5,495 5,735
Operation weight kg 3,550 3,595 3,640 4,010 4,068 4,138 4,518 5,255 5,724 5,964 5,953
Water heat Type Single pass shell & tube
exchanger Water flow rate Cooling Nom. l/s 12.1 13.0 13.9 15.5 16.2 17.4 18.2 19.7 20.8 21.8 24.1 24.9 27.8
Heating Nom. l/s 13.1 14.4 15.7 16.1 16.9 18.3 19.8 21.4 22.4 23.0 25.6 27.0 29.7
Water pressure Cooling Nom. kPa 40 46 44 50 55 60 65 74 80 47 85 91 61
drop Heating Nom. kPa 30 35 52 37 40 45 51 59 64 42 63 69 59
Water volume l 138 133 128 240 229 218
Air heat exchanger Type High efficiency fin and tube type with integral subcooler
Compressor Type Single screw compressor
Quantity 2 3
Fan Type Direct propeller
Quantity 6 8 10 12
Air flow rate Nom. l/s 31,729 31,422 31,115 42,306 42,337 41,487 52,882 63,458 62,640 61,652 62,231
Speed rpm 900
Sound power level Cooling Nom. dBA 101.0 102.0 104.0
Sound pressure level Cooling Nom. dBA 82.0 83.0 84.0
Operation range Air side Cooling Min.~Max. °CDB -10~45
Heating Min.~Max. °CDB -10~20
Water side Cooling Min.~Max. °CDB -8~15
Heating Min.~Max. °CDB 35~55
Refrigerant Type / GWP R-134a / 1,430
Circuits Quantity 2 3
Refrigerant charge Per circuit kg 43.0 44.0 43.0 46.0 46.5 47.0 50.0 47.0 49.0
TCO₂eq 61.5 62.9 61.5 65.8 66.5 67.2 71.5 67.2 70.1
Piping connections Evaporator water inlet/outlet (OD) 139.7mm 219.1mm
Unit Starting current Max A 150 181 204 224 238 245 300 323
Running current Cooling Nom. A 137 150 164 176 188 202 214 229 244 246 270 281 322
Max A 211 212 254 288 316 336 329 398 432
Power supply Phase/Frequency/Voltage Hz/V 3~/50/400
558