Daikin EWLD420I-SS [22/36] Standard ratings
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22
Standard ratings
EWLD~I-SS
Saturated Dischar
g
e Tem
p
erature
(
°C
)
Cc
(
kW
)
Pi
(
kW
)
Hr
(
kW
)
Cc
(
kW
)
Pi
(
kW
)
Hr
(
kW
)
Cc
(
kW
)
Pi
(
kW
)
Hr
(
kW
)
Cc
(
kW
)
Pi
(
kW
)
Hr
(
kW
)
Cc
(
kW
)
Pi
(
kW
)
Hr
(
kW
)
4
309 74 383 293 83 376 276 92 368 258 103 361 240 116 356
5
321 75 396 304 83 387 287 92 379 269 103 372 250 116 366
6
333 75 408 316 83 399 298 93 391 279 103 382 260 115 375
7
345 76 421 328 84 412 309 93 402 290 103 393 271 115 386
8
358 77 435 340 84 424 321 93 414 302 104 406 282 115 397
9
371 77 448 352 85 437 333 94 427 313 104 417 293 115 408
10
384 80 464 365 88 453 346 97 443 325 107 433 304 119 423
11
398 81 479 379 89 467 358 98 456 338 108 445 316 119 435
12
412 81 493 392 89 481 372 98 470 350 108 458 328 119 448
13
426 82 508 406 90 496 385 99 484 363 109 472 341 120 460
14
441 83 524 420 91 511 399 99 498 376 109 486 353 120 473
15
456 83 539 435 91 526 413 100 513 390 110 500 366 121 487
4
369 89 458 349 98 447 329 109 438 309 121 430 287 134 421
5
383 90 473 363 99 462 342 109 451 321 121 442 299 134 433
6
397 90 487 377 99 476 356 110 466 334 121 455 311 135 446
7
411 91 502 391 100 491 369 110 479 347 122 469 324 135 459
8
426 92 518 405 101 506 383 111 494 360 122 482 337 135 472
9
441 93 534 420 102 522 397 112 509 374 123 497 350 136 486
10
457 96 553 435 105 540 412 116 528 388 127 515 363 140 503
11
473 97 570 450 106 557 427 116 543 403 128 530 377 141 518
12
489 98 587 466 107 573 442 117 559 417 129 546 391 141 533
13
506 99 604 482 108 590 458 118 576 432 129 562 406 142 548
14
523 100 622 498 109 607 474 119 593 448 130 578 421 143 563
15
540 101 640 515 110 625 490 120 610 463 131 594 436 143 579
4
405 103 508 384 114 498 362 127 489 340 141 481 316 157 473
5
420 104 524 398 115 513 376 127 503 353 141 494 329 157 486
6
435 104 539 413 115 528 390 128 518 367 141 508 342 157 499
7
451 105 556 428 116 544 405 128 533 381 142 523 356 158 514
8
466 106 572 444 117 561 420 129 549 396 142 538 370 158 528
9
483 107 590 460 117 577 435 129 564 410 143 553 384 158 542
10
500 111 610 476 122 598 451 134 585 425 148 573 399 163 562
11
517 112 628 492 123 615 467 135 602 441 148 589 414 164 577
12
534 113 647 509 123 633 484 136 619 457 149 606 429 164 593
13
552 114 665 526 124 651 500 136 637 473 150 623 444 165 609
14
570 115 684 544 125 670 517 137 655 489 151 640 460 166 626
15
588 116 704 562 126 688 535 138 673 506 152 658 477 166 643
4
476 122 598 452 133 585 426 145 571 400 157 557 372 169 541
5
494 124 618 469 135 604 443 146 589 416 158 574 388 171 559
6
512 125 637 486 136 622 460 148 608 432 160 592 403 173 576
7
531 126 657 504 137 641 477 149 626 449 162 611 419 174 593
8
549 127 676 523 139 662 495 151 646 466 163 629 436 176 612
9
569 128 697 541 140 681 513 152 665 483 165 648 452 178 630
10
588 133 721 560 146 706 531 158 689 501 171 672 469 185 654
11
608 135 743 580 147 727 550 160 710 519 173 692 487 187 674
12
629 136 764 600 148 748 569 161 731 538 175 713 505 189 694
13
649 137 786 620 149 769 589 163 752 557 176 733 524 190 714
14
671 138 809 640 151 791 609 164 773 576 178 754 542 192 735
15
692 139 831 661 152 814 630 166 795 596 180 776 561 194 756
4
565 147 712 537 164 701 508 184 692 478 206 684 446 233 679
5
585 148 733 557 164 721 527 184 711 496 206 702 464 232 696
6
605 148 753 576 165 741 546 184 730 515 206 721 482 232 714
7
626 149 775 596 166 762 566 184 750 534 206 740 500 231 731
8
646 150 796 617 166 783 586 185 771 553 206 759 519 231 750
9
667 151 818 637 167 804 606 185 791 573 206 779 538 231 769
10
689 156 845 658 173 831 626 192 818 593 213 806 557 238 795
11
710 157 868 679 174 853 647 192 839 613 213 826 577 238 815
12
733 158 891 701 175 876 668 193 861 634 214 848 597 238 835
13
755 159 915 723 176 899 689 194 883 654 215 869 618 238 856
14
778 160 939 746 177 922 711 195 906 676 215 891 638 239 877
15
802 162 963 768 178 946 734 196 929 697 216 913 659 239 898
4
623 161 784 592 179 771 560 200 760 527 223 750 492 250 742
5
645 162 807 614 180 794 581 200 781 547 223 770 511 250 761
6
667 163 830 635 180 815 602 201 803 567 224 791 531 250 781
7
689 164 853 657 181 838 624 201 825 588 224 812 551 250 801
8
712 165 877 679 182 861 646 202 848 610 224 834 572 250 822
9
735 166 901 702 183 885 668 203 871 631 225 856 593 250 843
10
759 172 931 725 190 915 690 210 900 653 232 885 614 258 872
11
783 173 956 749 191 939 713 211 924 676 233 908 636 258 894
12
807 174 981 772 192 964 736 212 948 698 234 932 658 259 917
13
832 176 1007 796 193 990 760 213 973 721 235 956 681 259 940
14
857 177 1034 821 194 1015 784 214 998 745 236 980 703 260 963
15
882 178 1060 846 196 1042 808 215 1023 768 237 1005 727 261 987
60
330
390
ELWT (°C)
40 45 50 55
660
430
500
600
Notes:
1. Cc (cooling capacity)
2. Pi (unit power input)
3. Hr (heat rejection)
4. ELWT (evaporator leaving water temperature – Δt 5°C)
5. Data refers to 0,0176 m2 °C/kW (evaporator fouling factor)
Содержание
- Code requirements safety and observant of laws directives 3
- Features and advantages 3
- Infinitely capacity control 3
- Seasonal quietness 3
- Certifications 4
- Sound configuration 4
- Versions 4
- Cabinet and structure 5
- Ecological hfc 134a refrigerant 5
- Electronic expansion valve 5
- Evaporator 5
- General characteristics 5
- Refrigerant circuit 5
- Screw compressors 5
- Control section main features 6
- Electrical control panel 6
- Safety device logic for each refrigerant circuit 6
- Chiller sequencing 7
- Digital sequencing panel 7
- Microtech iii 7
- Microtech iii remote control 7
- Regulation type 7
- Serial sequencing panel 7
- Supervising systems on request 7
- System security 7
- Options on request 8
- Standard accessories supplied on basic unit 8
- Nomenclature 9
- Technical specifications 10
- Ewld i ss 17
- Sound levels 17
- Sound pressure levels correction for different distances 17
- Ewld i ss 18
- Operating limits 18
- Table 1 evaporator minimum and maximum water 18
- Table 2 evaporator fouling factors 18
- Table 3 minimum glycol percentage for low air temperature 18
- Table 3 minimum glycol percentage for low water temperature 18
- How to use the correction factors proposed in the previous tables 19
- Table 4 correction factors for low evaporator leaving water temperature 19
- Table 5 correction factors for water and glycol mixture 19
- Water charge flow and quality 20
- Water content in cooling circuits 21
- Ewld i ss 22
- Notes 1 cc cooling capacity 2 pi unit power input 3 hr heat rejection 4 elwt evaporator leaving water temperature δt 5 c 5 data refers to 0 0176 m2 c kw evaporator fouling factor 22
- Standard ratings 22
- Notes 6 cc cooling capacity 7 pi unit power input 8 hr heat rejection 9 elwt evaporator leaving water temperature δt 5 c 10 data refers to 0 0176 m2 c kw evaporator fouling factor 23
- Notes 11 cc cooling capacity 12 pi unit power input 13 hr heat rejection 14 elwt evaporator leaving water temperature δt 5 c 15 data refers to 0 0176 m2 c kw evaporator fouling factor 24
- 91 l s 25
- Evaporator and condenser pressure drops 25
- Ewld i ss 25
- How to use the formula example evaporator 25
- Pd2 kpa pd1 kpa x where pd2 pressure drop to be determinated kpa pd1 pressure drop at nominal condition kpa q2 water flow at new working condition l s q1 water flow at nominal condition l s 25
- The unit ewld320i ss has been selected for working at the following conditions evaporator water in out 11 6 c saturated discharge temperature 40 c the cooling capacity at these working conditions is 333 kw the evaporator water flow at these working conditions is 15 1 l s the unit ewld320i ss at nominal working conditions has the following data evaporator water in out 12 7 c saturated discharge temperature 45 c the cooling capacity at these working conditions is 328 kw the evaporator water flow at these working conditions is 15 7 l s the evaporator pressure drop at these working conditions is 34 kpa the evaporator pressure drop at the selected working condition will be pd2 kpa 34 kpa x pd2 kpa 35 kpa note if the calculated evaporator water pressure drop is below 10 kpa or above 100 kpa please contact the factory for dedicated evaporator 25
- To determinate the evaporator or condenser pressure drop for different versions or at different working condition please refer to the following formula 25
- Dimensions 26
- Handling 29
- Installation notes 29
- Location 29
- Minimum clearance requirements for machine maintenance 29
- Minimum space requirements 29
- Warning 29
- Dimensions 30
- General 30
- Noise level and vibrations 30
- Performance 30
- Refrigerant 30
- Technical specification for water cooled screw chiller 30
- Unit description 30
- Chiller components 31
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