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Table 1. Furnace Airflow Data
CAPACITIES —Furnace Airflow Data
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
950 36 920 38 890 39 850 41 800 43 750 46 690 50 630 55
740 47 710 49 680 51 650 53 600 58 550 63 490 - 430 -
620 56 590 59 560 62 520 - 470 - 410 - 350 - 290 -
1330 - 1280 - 1230 -
1170
- 1120 - 1030 - 940 37 850 41
1190 - 1160 - 1110 -
1060
- 1010 - 910 38 820 42 720 48
830 42 810 43 780 44 760 46 720 48 670 52 610 57 550 63
1310 - 1260 - 1210 -
1160
45 1100 47 1040 50 980 53 920 56
1160 45 1120 46 1080 48
1050
49 990 52 940 55 890 58 830 63
800 65 780 67 760 68 740 70 710 73 680 - 650 - 620 -
1490 46 1450 48 1390 50
1310
53 1210 57 1100 63 980 - 830 -
1230 56 1200 58 1150 60
1080
64 1010 69 910 - 810 - 680 -
780 - 750 - 720 - 680 - 630 - 570 - 510 - 440 -
1840 - 1780 - 1700 41
1630
42 1550 45 1470 47 1380 50 1290 54
1600 43 1560 44 1470 47
1400
49 1350 51 1280 54 1210 57 1150 60
1380 50 1350 51 1300 53
1250
55 1190 58 1120 62 1040 67 960 -
1100 - 1050 - 1000 - 950 - 900 - 850 - 800 - 750 -
1910 45 1860 47 1780 49
1700
51 1620 53 1520 57 1420 61 1310 66
1640 53 1620 53 1540 56
1480
58 1420 61 1340 65 1250 69 1150 75
1440 60 1410 61 1370 63
1320
66 1270 68 1210 72 1140 - 1060 -
1230 - 1210 - 1180 -
1140
- 1090 - 1030 - 960 - 880 -
1860 56 1800 58 1730 60
1650
63 1570 66 1480 70 1380 75 1270 82
1650 63 1610 65 1550 67
1480
70 1410 74 1320 79 1230 84 1120 -
1440 72 1410 74 1380 75
1320
79 1280 81 1220 85 1150 - 1080 -
1230 - 1210 - 1180 -
1140
- 1090 - 1030 - 960 - 880 -
2260 - 2200 - 2140 -
2070
- 1990 - 1910 - 1810 57 1710 61
1870 56 1840 56 1790 58
1760
59 1710 61 1660 63 1610 65 1560 67
1540 67 1530 68 1510 69
1470
71 1430 73 1370 76 1300 80 1220 85
1360 - 1330 - 1310 -
1280
- 1250 - 1220 - 1190 - 1150 -
1050 - 1005 - 960 - 915 - 855 - 800 - 730 48 670 53
990 - 950 - 905 - 860 - 810 - 760 46 700 50 650 54
770 46 740 48 700 50 660 53 625 56 580 61 540 65 500 70
1175 45 1125 47 1075 49
1030
51 970 54 920 57 860 61 800 66
1075 49 1040 51 995 53 950 56 900 59 840 63 790 67 720 73
800 66 770 69 745 71 710 74 670 - 630 - 580 - 530 -
Heating
Model Input Motor Motor
Number (Btuh) Speed HP
Hi
g
h*
G6RC040C-08
40,000 Medium 1/5
Low**
Hi
g
h*
G6RC040C-12
40,000 Medium 1/3
Low**
Hi
g
h*
G6RC060C-12
60,000 Medium 1/3
Low**
Hi
g
h*
G6RC080C-12
80,000 Medium 1/3
Low**
Hi
g
h*
G6RC080C-16
80,000
Med-High
1/2
Med-Low**
Low
Hi
g
h*
G6RC100C-16
100,000 Med-Hi
g
h** 1/2
Med-Low
Low
Hi
g
h*
G6RC120C-16
120,000 Med-Hi
g
h** 1/2
Med-Low
Low
Hi
g
h*
G6RC120C-20
120,000
Med-High
3/4
Med-Low**
Low
Hi
g
h*
G6RD040C-10
40,000 Medium 1/3
Low**
Hi
g
h*
G6RD060C-10
60,000 Medium** 1/3
Low