Page 564 - General Catalogue

EWYD-4ZXRB2

Air to Water Multipurpose unit

EWYD-4ZXL/XRB2

MicroTech III

Multipurpose EWYD-4ZXRB2 400 450 500 550 600 650 700 800
Air to water – Nominal Rated Capacity – Net kW 357.9 400.4 451.9 496.2 548.0 596.5 619.1 690.0
cooling only (1) EER – Net 3.05 3.06 3.12 3.06 3.11 3.07 3.19 3.08
Air to water – Nom. Rated Capacity – Net kW 358.3 398.7 452.2 493.4 550.7 601 620.9 690.8
heating only (2) COP – Net 3.48 3.65 3.65 3.63 3.59 3.55 3.67 3.71
Water to water – Nom. Rated Capacity COOLNG – Net kW 279.6 312.7 354.7 387.6 435.2 473.1 486.1 543.8
Cooling + heating Nom. Rated Capacity HEATING – Net kW 359.2 399.5 452.8 493.5 550.5 602.1 623.4 693.3
(3) TER – Net 8.03 8.20 8.23 8.32 8.55 8.33 8.08 8.27
Height mm 2465
Dimensions Width mm 2285
Length mm 5825 6725 7625 8525
Unit Weight kg 6240 6260 7035 7035 8015 8600 9690 9715
Weight Operating Weight kg 6705 6725 7725 7725 9100 9705 11075 11110
Cold/Hot side water connections mm 219.1
Sound Power – Cooling (4) dB(A) 87 86 87 88 90
Sound level
Sound Pressure – Cooling at 1 m (5) dB(A) 66 68 69
Water Volume l 126 214 369 361 468
Cold Water flow rate (1) l/s 17.1 19.2 21.6 23.7 26.2 28.5 29.6 33.0
Side
Water heat Water pressure drop (1) kPa 31.8 37.1 31.7 38.7 39 27 33.7 28.1
exchangers Water Volume l 126 126 214 214 369 361 468 468
Hot Water flow rate (2) l/s 17.3 19.2 21.8 23.8 26.6 29.0 30.0 33.3
Side
Water pressure drop (2) kPa 31.8 38.5 27.7 33.6 32 23.8 28.5 24.4
Quantity n 10 12 14 16
Fan
Nominal air flow (1) l/s 36110 43332 50554 57776
Type Single screw
Compressor Oil charge l 28 38
Quantity n. 2
Refrigerant type R134a
Refrigerant circuit Refrigerant charge kg 170 190 200 235 260 270 290
Circuits n. 2
Power Supply Phase/Frequency/Voltage Hz/V 3~/50/400

Fluid: Water; Fouling factor = 0
(1) Operation in Air to water “Cooling only” mode rated at 35°C ambient temperature, 50% R.H.; Entering water temperature 12°C, Outlet water temperature 7°C.
(2) Operation in Air to water “Heating only” mode rated at 7°C ambient temperature, 85% R.H; Entering water temperature 40°C, Outlet water temperature 45°C.
(3) Operation in Water to water “Cooling + Heating” mode rated with water flowing on cold and hot heat exchangers determined respectively at conditions (1)
and (2) - Chilled water outlet temperature 7°C, Hot water outlet temperature 45°C.
(4) Sound power level are referred to condition (1) for Cooling and (2) for Heating. The data are measured in accordance with ISO 9614 and Eurovent 8/1 for Eurovent certified units.
The certification refers only to the overall sound power level.
(5) Sound pressure is calculated from the sound power level and it is for information only and not considered binding.
All the above data are referred to standard units without options and are subject to change without notice.
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