Lennox CHA16, Service Manual

Page: 8 / 86

Page 8
CHA16823 BLOWER PERFORMANCE
Air
STATIC PRESSURE EXTERNAL TO UNIT Inches Water Gauge
Air
Volume
(cfm)
.20 .40 .60 .70 .80 .90 1.00 1.10 1.30 1.50
(cfm)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2200 740 0.65 785 0.75 825 0.80 865 0.90 905 0.95 945 1.05 1020 1.20 1090 1.40
2400 765 0.75 805 0.85 845 0.90 880 1.00 920 1.10 955 1.15 1025 1.35 1095 1.50
2600 790 0.90 825 0.95 865 1.05 900 1.15 935 1.20 970 1.30 1040 1.50 1105 1.70
2800 740 0.85 815 1.00 850 1.10 885 1.20 920 1.30 955 1.40 985 1.45 1055 1.65 1115 1.85
3000 770 1.00 840 1.15 875 1.25 910 1.35 940 1.45 975 1.55 1005 1.65 1070 1.85 1130 2.05
3200 735 1.00 805 1.15 870 1.35 905 1.45 935 1.55 965 1.65 1000 1.75 1030 1.85 1090 2.05 1150 2.25
3400 775 1.20 840 1.35 900 1.55 930 1.65 965 1.75 995 1.85 1020 1.95 1050 2.05 1110 2.25
NOTE All data is measured external to the unit with dry coil and with the air filters in place. See Pages 11 thru 13 for Accessory Air Resistance data.
CHA16953 BLOWER PERFORMANCE
Air
STATIC PRESSURE EXTERNAL TO UNIT Inches Water Gauge
Air
Volume
(cfm)
.20 .40 .60 .70 8.0 9.0 1.00 1.10 1.30
(cfm)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2600 850 1.15 895 1.30 930 1.40 980 1.50 1020 1.65 1055 1.80 1155 2.05
2800 800 1.05 875 1.35 920 1.40 955 1.55 995 1.65 1030 1.80 1065 1.95 1145 2.25
3000 840 1.20 910 1.40 940 1.55 980 1.70 1015 1.90 1050 2.05 1085 2.20
3200 815 1.20 885 1.45 940 1.70 975 1.75 1005 1.90 1045 2.10 1080 2.20
*3400 860 1.45 920 1.65 975 1.85 1010 2.00 1045 2.15 1080 2.30
3600 900 1.70 960 1.90 1015 2.10 1045 2.25
3800 950 1.95 995 2.20
NOTE All data is measured external to the unit with dry coil and air filters in place. See Pages 11 thru 13 for Accessory Air Resistance data.
*Minimum air volume at .25 in. w. g. with electric heat.
CHA161353 BLOWER PERFORMANCE
Air
STATIC PRESSURE EXTERNAL TO UNIT Inches Water Gauge
Air
Volume
(cfm)
.20 .40 .60 .70 .80 .90 1.00 1.10 1.30 1.50
(cfm)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
3600 585 0.89 665 1.13 735 1.37 770 1.52 795 1.65 820 1.80 850 1.93 875 2.08 935 2.41 985 2.68
3800 605 1.00 685 1.25 750 1.52 785 1.67 805 1.80 830 1.94 860 2.08 890 2.26 940 2.56 995 2.85
4000 630 1.14 705 1.41 770 1.68 795 1.81 820 1.96 845 2.11 875 2.26 905 2.43 955 2.67 1000 3.01
4200 650 1.29 725 1.57 790 1.86 810 2.01 835 2.16 865 2.31 890 2.46 920 2.63 970 2.93 1005 3.15
4400 680 1.46 745 1.76 800 2.04 825 2.22 855 2.37 880 2.51 910 2.69 930 2.83 980 3.14
4600 705 1.65 770 1.95 820 2.27 845 2.43 870 2.58 900 2.75 925 2.92 950 3.06 995 3.33
4800 730 1.85 790 2.17 840 2.50 865 2.66 890 2.82 920 2.99 945 3.15 970 3.32
5000 755 2.07 810 2.42 860 2.75 885 2.91 910 3.07 935 3.24 960 3.41
5200 775 2.30 830 2.69 885 3.02 910 3.18 935 3.34
NOTE All data is measured external to the unit with dry coil and with the air filters in place. See Pages11 thru 13 for Accessory Air Resistance data.
NOTE Data in shaded area denotes optional 3 hp drive kit.