Maritime Geothermal ATF-45, Инструкция по установке и обслуживанию

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1-Jun-2018 Page 83 002000MAN-01
Maximum external static pressure: Unit sizes 25-45: 0.50 inH
2
O,
Unit sizes 55-80: 0.70in H
2
O
To obtain the AR airflow values use a dry contact to connect AR to 24VAC on the right side of control board.
Airflow Data
TABLE 36 - Airflow Range for STAGE 2 (Full Load)
Model
Nominal Range AR - 20% AR - 15% AR - 10% AR - 5%
cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s
25 800 378 600-950 283-448 640 302 680 321 720 340 760 359
45 1200 566 950-1400 448-661 960 453 1020 481 1080 510 1140 538
55 1500 708 1200-1700 566-802 1200 566 1275 602 1350 637 1425 673
65 1900 897 1500-2200 708-1038 1520 717 1615 762 1710 807 1805 852
75 2100 991 1700-2400 802-1133 1680
793 1785 843 1890 892 1995 942
TABLE 37 - Airflow Range for STAGE 1 (Part Load)
Model
Nominal Range AR - 20% AR - 15% AR - 10% AR - 5%
cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s
25 650 307 500-750 236-354 520 245 553 261 585 276 618 291
45 1050 496 850-1200 401-566 840 396 893 421 945 446 998 471
55 1250 590 950-1450 448-684 1000 472 1063 502 1125 531 1188 561
65 1550 732 1250-1750 590-826 1240 585 1318 622 1395 658 1473 695
75 1700 802 1300-1950 614-920 1360 642 1445 682 1530 722 1615 762
TABLE 38 - Airflow Range for STAGE 3 (Auxiliary)
Model
Nominal Range AR - 20% AR - 15% AR - 10% AR - 5%
cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s
25 1000 472 800-1150 378-543 800 378 850 401 900 425 950 448
45 1400 661 1150-1600 543-755 1120 529 1190 562 1260 595 1330 628
55 1700 802 1400-1900 661-897 1360 642 1445 682 1530 722 1615 762
65 2100 991 1700-2400 802-1133 1680 793 1785 843 1890 892 1995 942
75 2300 1086 1900-2500 897-1180 1840 868 1955 923 2070 977 2185 1031
TABLE 39 - Airflow Range for Fan Recirculation
Model
Nominal Range AR - 20% AR - 15% AR - 10% AR - 5%
cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s
25 450 212 300-550 142-260 360 170 383 181 405 191 428 202
45 650 307 500-750 236-354 520 245 553 261 585 276 618 291
55 850 401 600-1000 283-472 680 321 723 341 765 361 808 381
65 1050 496 750-1200 354-566 840 396 893 421 945 446 998 471
75 1150 543 900-1300 425-614 920
434 978 461 1035 489 1093 516
TABLE 40 - Airflow Range for Emergency
Model CFM L/s
25/45 1200 566
55/65/75 2000 944