Nordyne M4RC-072D-35C, Installation Instructions Manual

Page: 38 / 48

38
Airflow Data
Table 7
Model
Number
Heating
Input
(Btuh)
Motor
Speed
External Static Pressure (Inches Water Column)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise
UPFLO
W FURNA
CES
RC054-24B
Bottom Retur
n
54,000
High* 1550 30 1520 30 1485 31 1450 32 1410 33 1360 34 1300 35 1255 37
Med-High 1250 37 1220 38 1200 38 1170 39 1140 40 1105 42 1065 43 1010 46
Med-Low** 935 49 910 51 880 52 850 54 815 56 785 59 735 — 680 —
Low 720 — 690 — 655 — 620 — 585 — 550 — 520 — 485 —
RC054D-24B
Side
Retur
n
54,000
High* 1630 — 1595 — 1560 — 1525 30 1480 31 1430 32 1365 34 1320 35
Med-High 1315 35 1280 36 1260 37 1230 37 1200 38 1160 40 1120 41 1060 43
Med-Low** 980 47 955 48 925 50 890 52 855 54 825 56 775 59 715 —
Low 755 — 725 — 690 — 650 — 615 — 580 — 545 — 510 —
RC072D-35C
Bottom Retur
n
72,000
High* 1895 — 1790 — 1720 36 1630 38 1550 40 1445 42 1330 46 1225 50
Med-High** 1775 35 1710 36 1650 37 1550 40 1470 42 1385 44 1290 48 1180 52
Med-Low 1255 49 1200 51 1155 53 1105 56 1050 58 1000 61 925 — 830 —
Low 1140 54 1100 56 1065 58 1025 60 980 63 930 — 870 — 805 —
RC072D-35C
Side
Retur
n
72,000
High* 1970 — 1865 — 1780 — 1695 36 1615 38 1505 41 1385 44 1275 48
Med-High** 1845 — 1780 — 1715 36 1615 38 1530 40 1440 43 1340 46 1230 50
Med-Low 1305 47 1250 49 1200 51 1150 53 1090 56 1040 59 965 64 865 —
Low 1185 52 1145 54 1110 55 1065 58 1020 60 965 64 905 — 840 —
RC072D-35C
Side +
Bottom or
2 Sides
72,000
High* 1990 — 1880 — 1805 — 1710 36 1630 38 1510 41 1400 44 1285 48
Med-High** 1865 — 1795 — 1735 35 1630 38 1545 40 1455 42 1355 45 1240 49
Med-Low 1320 46 1260 49 1215 50 1160 53 1105 56 1050 58 970 63 875 —
Low 1200 51 1155 53 1120 55 1075 57 1030 60 975 63 915 — 845 —
RC090D-35C
Bottom
Retur
n
90,000
High* 2155 36 2090 37 2015 38 1960 39 1910 40 1835 42 1755 44 1660 46
Med-High** 2015 38 1960 39 1920 40 1860 41 1805 42 1755 44 1695 45 1615 47
Med-Low 1705 45 1675 46 1640 47 1590 48 1555 49 1495 51 1435 53 1340 57
Low 1410 54 1390 55 1365 56 1330 58 1310 59 1275 60 1235 62 1210 63
RC090D-35C
Side
Retur
n
90,000
High* 2240 — 2175 35 2100 37 2040 38 1985 39 1910 40 1825 42 1725 44
Med-High** 2095 37 2040 38 2000 38 1935 40 1875 41 1825 42 1765 43 1680 46
Med-Low 1775 43 1740 44 1705 45 1655 46 1615 47 1555 49 1490 51 1335 57
Low 1465 52 1445 53 1420 54 1385 55 1360 56 1325 58 1285 60 1260 61
RC090D-35C
Side +
Bottom or
2 Sides
90,000
High* 2265 — 2195 35 2115 36 2060 37 2005 38 1930 40 1845 42 1745 44
Med-High** 2115 36 2060 37 2015 38 1955 39 1895 40 1845 42 1780 43 1695 45
Med-Low 1790 43 1760 44 1725 44 1670 46 1635 47 1570 49 1510 51 1410 54
Low 1480 52 1460 53 1435 53 1400 55 1375 56 1340 57 1300 59 1270 60
RC108D-45D
Bottom only
or 2 openings
108,000
High* 2135 43 2095 44 2040 45 1975 47 1910 48 1840 50 1735 53 1675 55
Med-High** 2000 46 1955 47 1900 48 1845 50 1800 51 1735 53 1665 55 1570 59
Med-Low 1665 55 1660 55 1625 57 1590 58 1530 60 1500 61 1415 65 1340 69
Low 1385 66 1360 68 1310 70 1300 — 1275 — 1250 — 1200 — 1150 —
RC108D-45D
Side
Retur
n
108,000
High* 2115 43 2075 44 2020 46 1955 47 1890 49 1822 50 1720 53 1660 55
Med-High** 1980 46 1935 48 1880 49 1830 50 1780 52 1720 53 1650 56 1555 59
Med-Low 1650 56 1645 56 1610 57 1575 58 1515 61 1485 62 1400 66 1330 69
Low 1370 67 1345 68 1300 — 1290 — 1260 — 1240 — 1190 — 1140 —
DO
WNFLO
W
FURNA
CES
RL090-35C
90,000
High* 1,955 39 1,905 40 1,835 42 1,795 43 1,730 44 1,620 47 1,545 50 1,450 53
Med-High** 1,845 42 1,790 43 1,750 44 1,680 46 1,515 51 1,540 50 1,475 52 1,410 54
Med-Low 1,320 58 1,290 59 1,250 61 1,215 63 1,180 65 1,120 — 1,050 — 970 —
Low 1,190 64 1,165 — 1,125 — 1,080 — 1,055 — 1,000 — 945 — 875 —
NOTES:
* Factory Set Cooling Speed
** Factory Set Heating Speed
1. Two openings are recommended for airflows above 1,600 CFM if filter(s) is(are) adjacent to furnace.
2. Temperature rises in the table are approximate. Actual temperature rises may vary.
3. Temperature rises shaded in gray are for reference only. These conditions are not recommended.
Table 7.
M4RC & M4RL
Blower Performance