Nordyne SC038D-23A, Installation Instructions Manual

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31
UPFLOW HORIZONTAL / GAS FURNACES
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
SC090D-35C
Bottom Retur
n
90,000
High* 2,155 36 2,090 37 2,015 38 1,960 39 1,910 40 1,835 42 1,755 44 1,660 46
Med-High** 2,015 38 1,960 39 1,920 40 1,860 41 1,805 42 1,755 44 1,695 45 1,615 47
Med-Low 1,705 45 1,675 46 1,640 47 1,590 48 1,555 49 1,495 51 1,435 53 1,340 57
Low 1,410 54 1,390 55 1,365 56 1,330 58 1,310 59 1,275 60 1,235 62 1,210 63
SC090D-35C
Bottom
Retur
n
90,000
High* 2,155 36 2,090 37 2,015 38 1,960 39 1,910 40 1,835 42 1,755 44 1,660 46
Med-High** 2,015 38 1,960 39 1,920 40 1,860 41 1,805 42 1,755 44 1,695 45 1,615 47
Med-Low 1,705 45 1,675 46 1,640 47 1,590 48 1,555 49 1,495 51 1,435 53 1,340 57
Low 1,410 54 1,390 55 1,365 56 1,330 58 1,310 59 1,275 60 1,235 62 1,210 63
SC090-35C Side Retur
n
90,000
High* 2,240 34 2,175 35 2,100 37 2,040 38 1,985 39 1,910 40 1,825 42 1,725 44
Med-High** 2,095 37 2,040 38 2,000 38 1,935 40 1,875 41 1,825 42 1,765 43 1,680 46
Med-Low 1,775 43 1,740 44 1,705 45 1,655 46 1,615 47 1,555 49 1,490 51 1,335 57
Low 1,465 52 1,445 53 1,420 54 1,385 55 1,360 56 1,325 58 1,285 60 1,260 61
SC090-35C
Side + Bottom
or 2 Sides
90,000
High* 2265 34 2,195 35 2,115 36 2,060 37 2,005 38 1,930 40 1,845 42 1,745 44
Med-High** 2,115 36 2,060 37 2,015 38 1,955 39 1,895 40 1,845 42 1,780 43 1,695 45
Med-Low 1,790 43 1,760 44 1,725 44 1,670 46 1,635 47 1,570 49 1,510 51 1,410 54
Low 1,480 52 1,460 53 1,435 53 1,400 55 1,375 56 1,340 57 1,300 59 1,270 60
SC108-45D Bottom only
or 2 openings
108,000
High* 2,135 43 2,095 44 2,040 45 1,975 47 1,910 48 1,840 50 1,735 53 1,675 55
Med-High** 2,000 46 1,955 47 1,900 48 1,845 50 1,800 51 1,735 53 1,665 55 1,570 59
Med-Low 1,665 55 1,660 55 1,625 57 1,590 58 1,530 60 1,500 61 1,415 65 1,340 69
Low 1,385 66 1,360 68 1,310 70 1,300 71 1,275 72 1,250 74 1,200 77 1,150 80
SC108-45D Side Retur
n
108,000
High* 2,115 43 2,075 44 2,020 46 1,955 47 1,890 49 1,822 50 1,720 53 1,660 55
Med-High** 1,980 46 1,935 48 1,880 49 1,830 50 1,780 52 1,720 53 1,650 56 1,555 59
Med-Low 1,650 56 1,645 56 1,610 57 1,575 58 1,515 61 1,485 62 1,400 66 1,330 69
Low 1,370 67 1,345 68 1,300 71 1,290 71 1,260 73 1,240 74 1,190 77 1,140 81
SC120-45D Bottom only
or 2 openings
120,000
High* 2,135 48 2,095 49 2,040 50 1,975 52 1,910 54 1,840 56 1,735 59 1,675 61
Med-High** 2,000 51 1,955 52 1,900 54 1,845 55 1,800 57 1,735 59 1,665 61 1,570 65
Med-Low 1,665 61 1,660 62 1,625 63 1,590 64 1,530 67 1,500 68 1,415 72 1,340 76
Low 1,385 74 1,360 75 1,310 78 1,300 79 1,275 80 1,250 82 1,200 85 1,150 89
SC120-45D Side Retur
n
120,000
High* 2,115 48 2,075 49 2,020 51 1,955 52 1,890 54 1,822 56 1,720 59 1,660 62
Med-High** 1,980 52 1,935 53 1,880 54 1,830 56 1,780 57 1,720 59 1,650 62 1,555 66
Med-Low 1,650 62 1,645 62 1,610 63 1,575 65 1,515 67 1,485 69 1,400 73 1,330 77
Low 1,370 75 1,345 76 1,300 79 1,290 79 1,260 81 1,240 82 1,190 86 1,140 90
* Factory Set Cooling Speed
** Factory Set Heating Speed
NOTES:
1. Two openings are recommended for airfl ows above 1,600 CFM if fi lter(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 4. Continued