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Certifi ed Air Delivery CFM at Various External Static Pressures
Inches Water Gauge. AMCA Licensed Ratings.
MD/MS 524 or UD/US 960 Sheave Selection
Motor HP Browning Bore Blower RPM / Sheave Turns Open MasterCool
Part # 5 4 ½ 4 3 ½ 3 2 ½ 2 1 ½ 1 ½ 0 Package #
Single Phase Motor Blower RPM @ 1725 Motor RPM / Sheave Turns Open
¾, 1 1VL34
5
/8 252 265 279 292 305 318 332 345 358 372 385 EL114
¾, 1 1VL40
5
/8 318 332 345 358 372 385 398 411 425 438 451 EL110
1½, 2 1VL40
7
/8 318 332 345 358 372 385 398 411 425 438 451 EL112
¾, 1 1VL44
5
/8 372 385 398 411 425 438 451 464 478 491 504 ESH2411
1½, 2 1VL44
7
/8 372 385 398 411 425 438 451 464 478 491 504 EL685
1½, 2 1VP50
7
/8 451 464 478 491 504 518 531 544 557 571 584 686
Three Phase Motor Blower RPM @ 1750 Motor RPM / Sheave Turns Open
¾ 1VL34
5
/8 256 269 283 296 310 323 337 350 363 377 390 EL114
1 1VL34
7
/8 256 269 283 296 310 323 337 350 363 377 390 EL116
¾ 1VL40
5
/8 323 337 350 363 377 390 404 417 431 444 458 EL110
1, 1½, 2 1VL40
7
/8 323 337 350 363 377 390 404 417 431 444 458 EL112
¾ 1VL44
5
/8 377 390 404 417 431 444 458 471 485 498 512 ESH2411
1, 1½, 2 1VL44
7
/8 377 390 404 417 431 444 458 471 485 498 512 EL685
3 1VL44 1
1
/8 377 390 404 417 431 444 458 471 485 498 512 684
1½, 2 1VP50
7
/8 458 471 485 498 512 525 538 552 565 579 592 686
3 1VP50 1
1
/8 458 471 485 498 512 525 538 552 565 579 592 685
Shaded Areas: Do not exceed listed RPM, water entrainment may result.
NOT RECOMMENDED
Operating Belt information .0 .0 .1 .1 .2 .2
Model Weight BHP Quantity Down Side Up CFM RPM CFM RPM CFM RPM
524 with DM080 or 960 with UM080 — 8” Media
560 ¾ 1 AX78 AX80 6390 298 6070 310 5710 320
570 1 1 AX78 AX80 7030 329 6760 339 6420 349
575 1½ 1 AX78 AX80 8050 376 7810 385 7530 394
580 2 1 AX78 AX80 8860 414 8640 422 8400 430
590 3 1 AX78 A82* 9050 422 9050 440 9050 459
524 with DM120 or 960 with UM120 — 12” Media
600 ¾ 1 AX78 AX80 6250 298 5900 309 5550 321
610 1 1 AX78 AX80 6880 328 6560 338 6250 349
615 1½ 1 AX78 AX80 7880 376 7600 384 7320 393
620 2 1 AX78 AX80 8670 414 8420 421 8160 429
630 3 1 AX78 A82* 9050 422 9050 439 9050 458
628 with two DM080 or 980 with two UM080 — 8” Media
818 1 1 A95* A95* A95 9720 214 9320 224 8650 235
823 1½ 1 A95* A95* A95 11130 245 10720 254 10230 263
828 2 1 A95* A95* A95 12250 270 11890 278 11460 286
838 3 2 A97 A97 A95 14020 309 13720 316 13350 323
858 5 2 A97 A97 A95 16620 367 16390 371 16080 378
898 7½ 2 A100* A100* A95 18100 406 18100 418
628 with two DM120 or 980 with two UM120 — 12” Media
908 1 1 A95* A95* A95 9680 216 9080 226 8530 237
913 1½ 1 A95* A95* A95 11080 248 10540 256 10080 265
918 2 1 A95* A95* A95 12190 273 11700 280 11260 288
928 3 2 A97 A97 A95 13950 312 13510 318 13130 325
948 5 2 A97 A97 A95 16540 370 16050 375 15820 380
988 7½ 2 A100* A100* A95 18100 406 18100 409 18100 428
*Not supplied: MS524 coolers with a 3 HP motor require the purchase of one A82 belt
(AX78 belt included with unit). MD628 and MS628 coolers with 1, 1
1
⁄2 or 2 HP motor
requires one A95 belt (two A97 belts included with unit). MD628 and MS628 coolers
with 7
1
⁄2 HP motor require two A100 belts (two A97 belts included with unit).