BLOWER PERFORMANCE SPECIFICATIONS
(CFM & Tem perature Rise vs. External Static Pressure)
| Model | Motor | Tons AC |
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| EXTERNAL STATIC PRESSURE (Inches Water Colum n) |
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| at 0.5" | 0.1 |
| 0.2 |
| 0.3 |
| 0.4 |
| 0.5 |
| 0.6 | 0.7 | 0.8 | ||||||
Heating Speed | Speed |
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As Shipped |
| ESP | CFM | RISE | CFM | RISE | CFM | RISE | CFM | RISE | CFM | RISE | CFM | CFM | CFM | |||||||
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| HIGH | 3.0 | 1521 |
| 1466 |
| 1414 |
| 1373 |
| 1298 |
| 1243 | 1164 | 1075 | |||||
*MS80403A*BB | MED | 2.5 | 1160 |
| 26 | 1160 |
| 26 | 1132 |
| 26 | 1121 |
| 26 | 1082 |
| 27 | 1042 | 997 | 925 | ||
(MEDIUM) | MED | 2.0 | 961 |
| 31 | 955 |
| 31 | 948 |
| 31 | 932 |
| 32 | 913 |
| 33 | 882 | 821 | 803 | ||
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| LOW | 1.5 | 781 |
| 38 | 785 |
| 38 | 781 |
| 38 | 773 |
| 38 | 761 |
| 32 | 745 | 716 | 668 |
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| HIGH | 3.0 | 1422 |
| 31 | 1352 |
| 33 | 1307 |
| 34 | 1197 |
| 37 | 1157 |
| 38 | 1092 | 1075 | 983 |
*MS80603A*BB | MED | 2.5 | 1098 |
| 40 | 1081 |
| 41 | 1051 |
| 42 | 1039 |
| 43 | 1021 |
| 44 | 983 | 924 | 868 | ||
(MEDIUM) | MED | 2.0 | 919 |
| 48 | 913 |
| 49 | 892 |
| 50 | 847 |
| 829 |
| 818 | 792 | 728 | ||||
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| LOW | 1.5 | 758 |
| 741 |
| 741 |
| 733 |
| 699 |
| 677 | 649 | 626 | |||||
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| HIGH | 4.0 | 2134 |
| 21 | 2100 |
| 21 | 2042 |
| 22 | 1975 |
| 23 | 1883 |
| 24 | 1786 | 1700 | 1601 |
*MS80604B*BB | MED | 3.5 | 1668 |
| 27 | 1663 |
| 27 | 1656 |
| 27 | 1645 |
| 27 | 1616 |
| 28 | 1549 | 1492 | 1391 | ||
(MEDIUM) | MED | 3.0 | 1419 |
| 31 | 1426 |
| 31 | 1426 |
| 31 | 1432 |
| 31 | 1419 |
| 31 | 1378 | 1328 | 1261 | ||
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| LOW | 2.5 | 1134 |
| 39 | 1145 |
| 39 | 1166 |
| 38 | 1171 |
| 38 | 1160 |
| 38 | 1144 | 1111 | 1071 |
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| HIGH | 4.0 | 2051 |
| 1983 |
| 1895 |
| 1812 |
| 1725 |
| 1627 | 1530 | 1439 | |||||
*MS80804B*BB | MED | 3.5 | 1736 |
| 1708 |
| 35 | 1652 |
| 36 | 1611 |
| 37 | 1540 |
| 38 | 1475 | 1394 | 1307 | |||
(MEDIUM) | MED | 3.0 | 1693 |
| 35 | 1668 |
| 36 | 1459 |
| 41 | 1429 |
| 41 | 1389 |
| 43 | 1339 | 1274 | 1204 | ||
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| LOW | 2.5 | 1200 |
| 49 | 1185 |
| 50 | 1180 |
| 50 | 1173 |
| 51 | 1158 |
| 51 | 1125 | 1125 | 1080 |
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| HIGH | 5.0 | 2290 |
| 2229 |
| 2155 |
| 2047 |
| 1960 |
| 1837 | 1712 | 1584 | |||||
*MS80805C*BB | MED | 4.0 | 1852 |
| 1820 |
| 1777 |
| 1719 |
| 1641 |
| 36 | 1567 | 1469 | 1382 | ||||||
(MEDIUM) | MED | 3.5 | 1615 |
| 37 | 1592 |
| 37 | 1556 |
| 38 | 1516 |
| 39 | 1470 |
| 40 | 1405 | 1346 | 1235 | ||
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| LOW | 3.0 | 1290 |
| 46 | 1285 |
| 46 | 1265 |
| 47 | 1235 |
| 48 | 1214 |
| 49 | 1174 | 1044 | 904 |
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| HIGH | 5.0 | 2323 |
| 2225 |
| 2120 |
| 35 | 2040 |
| 36 | 1974 |
| 38 | 1801 | 1688 | 1577 | ||
*MS81005C*BB | MED | 4.0 | 1858 |
| 40 | 1847 |
| 40 | 1799 |
| 41 | 1744 |
| 42 | 1674 |
| 44 | 1577 | 1493 | 1399 | ||
(MEDIUM) | MED | 3.5 | 1596 |
| 46 | 1587 |
| 47 | 1571 |
| 47 | 1552 |
| 48 | 1493 |
| 50 | 1397 | 1326 | 1217 | ||
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| LOW | 3.0 | 1291 |
| 57 | 1272 |
| 58 | 1261 |
| 59 | 1257 |
| 59 | 1205 |
| 61 | 1168 | 1118 | 1060 |
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| HIGH | 5.0 | 2469 |
| 2389 |
| 2300 |
| 2223 |
| 40 | 2131 |
| 42 | 2027 | 1902 | 1786 | |||
*MS81205D*BA | MED | 4.0 | 1575 |
| 56 | 1558 |
| 57 | 1545 |
| 58 | 1513 |
| 59 | 1500 |
| 59 | 1419 | 1354 | 1271 | ||
(MEDIUM) | MED | 3.5 | 1402 |
| 63 | 1380 |
| 64 | 1343 |
| 66 | 1319 |
| 67 | 1296 |
| 69 | 1245 | 1183 | 1106 | ||
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| LOW | 3.0 | 1200 |
| 1186 |
| 1161 |
| 1127 |
| 1082 |
| 1042 | 995 | 926 | |||||
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| HIGH | 5.0 | 2469 |
| 42 | 2389 |
| 43 | 2300 |
| 45 | 2223 |
| 47 | 2131 |
| 49 | 2027 | 1902 | 1786 |
GMS81405DNCC | MED | 4.0 | 1575 |
| 66 | 1558 |
| 67 | 1545 |
| 67 | 1513 |
| 69 | 1500 |
| 69 | 1419 | 1354 | 1271 | ||
(MEDIUM) | MED | 3.5 | 1402 |
| 1380 |
| 1343 |
| 1319 |
| 1296 |
| 1245 | 1183 | 1106 | |||||||
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| LOW | 3.0 | 1200 |
| 1186 |
| 1161 |
| 1127 |
| 1082 |
| 1042 | 995 | 926 | |||||
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NOTES:
•CFM in chart is without filter(s). Filters do not ship with this furnace, but must be provided by the installer.
•All furnaces ship as
•For most jobs, about 400 CFM per ton when cooling is desirable
•INSTALLATION IS TO BE ADJUSTED TO OBTAIN TEMPERATURE RISE WITHIN THE RANGE SPECIFIED ON THE RATING PLATE.
•The chart is for information only. For satisfactory operation, external static pressure must not exceed values shown on the rating plate. The shaded area insicated ranges in excess of maximum static pressure allowed when heating.
•The dashed
•At higher altitudes, a properly
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