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Lennox LGH180H Installation Instructions

Lennox LGH180H
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Page 17
BLOWER DATA
BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL & AIR FILTERS IN PLACE
FOR ALL UNITS ADD:
1 - Wet indoor coil air resistance of selected unit.
2 - Any factory installed options air resistance (electric heat, economizer, etc.)
3 - Any eld installed accessories air resistance (electric heat, duct resistance, diffuser, etc.)
Then determine from blower table blower motor output and drive required.
See page 18 for wet coil and option/accessory air resistance data.
See page 18 for factory installed drive kit specications.
MINIMUM AIR VOLUME REQUIRED FOR DIFFERENT GAS HEAT SIZES
Low (L), Standard (S) and Medium Heat (M) - 4500 cfm minimum
High Heat (H) - 5125 cfm minimum
Air
Volume
cfm
TOTAL STATIC PRESSURE - Inches Water Gauge (Pa)
0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2750 385 0.30 505 0.50 600 0.70 680 0.90 755 1.10 820 1.30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3000 395 0.35 515 0.55 610 0.75 685 1.00 760 1.20 825 1.45 885 1.70 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3250 405 0.40 520 0.60 615 0.85 695 1.10 765 1.30 830 1.60 890 1.85 950 2.10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3500 415 0.45 530 0.70 620 0.95 700 1.20 775 1.45 840 1.70 900 2.00 955 2.25 1005 2.55 - - - - - - - - - - - - - - - - - - - - - - - -
3750 425 0.50 540 0.75 630 1.05 710 1.30 780 1.60 845 1.85 905 2.15 960 2.45 1010 2.70 1060 3.00 1110 3.30 - - - - - - - - - - - -
4000 435 0.55 545 0.85 635 1.10 715 1.40 785 1.70 850 2.00 910 2.30 965 2.60 1020 2.90 1070 3.25 1115 3.55 1160 3.85 1205 4.15
4250 445 0.60 555 0.90 645 1.25 725 1.55 795 1.85 855 2.15 915 2.45 970 2.80 1025 3.10 1075 3.45 1120 3.75 1165 4.10 1210 4.45
4500 455 0.70 565 1.00 655 1.35 730 1.65 800 2.00 865 2.35 925 2.65 980 3.00 1030 3.30 1080 3.65 1130 4.05 1175 4.35 1215 4.70
4750 470 0.75 575 1.10 660 1.45 740 1.80 810 2.15 870 2.50 930 2.85 985 3.20 1040 3.55 1085 3.90 1135 4.25 1180 4.65 1225 5.00
5000 480 0.85 585 1.25 670 1.60 750 1.95 815 2.30 880 2.70 940 3.05 995 3.40 1045 3.80 1095 4.15 1140 4.50 1185 4.90 1230 5.30
5250 495 0.95 595 1.35 680 1.70 755 2.10 825 2.50 890 2.90 945 3.25 1000 3.65 1050 4.00 1100 4.40 1150 4.80 1195 5.20 1235 5.60
5500 505 1.05 605 1.45 690 1.85 765 2.25 835 2.65 895 3.05 955 3.45 1010 3.85 1060 4.25 1110 4.70 1155 5.10 1200 5.50 1240 5.90
5750 520 1.15 615 1.60 700 2.00 775 2.45 840 2.85 905 3.25 960 3.65 1015 4.10 1065 4.50 111
5 4.95 1160 5.35 1205 5.80 1250 6.25
6000 530 1.30 630 1.75 710 2.15 785 2.60 850 3.05 910 3.45 970 3.90 1025 4.35 1075 4.80 1120 5.20 1170 5.65 1215 6.10 1255 6.55
6250 545 1.40 640 1.90 720 2.35 795 2.80 860 3.25 920 3.70 975 4.15 1030 4.60 1080 5.05 1130 5.50 1175 5.95 1220 6.45 1265 6.90
6500 560 1.55 650 2.05 730 2.50 805 3.00 870 3.45 930 3.95 985 4.40 1040 4.85 1090 5.35 1140 5.85 1185 6.30 1225 6.75 1270 7.25
6750 570 1.70 665 2.20 745 2.70 815 3.20 880 3.70 940 4.20 995 4.65 1045 5.10 1095 5.60 1145 6.10 1190 6.60 1235 7.10 1275 7.60
7000 585 1.85 675 2.35 755 2.90 825 3.40 890 3.95 950 4.45 1005 4.95 1055 5.40 1105 5.95 1155 6.45 1200 6.95 1240 7.45 1285 8.00
7250 600 2.00 690 2.60 765 3.10 835 3.65 900 4.15 955 4.65 1015 5.25 1065 5.75 1115 6.25 1160 6.75 1205 7.30 1250 7.85 1290 8.35
7500 615 2.20 700 2.75 775 3.30 845 3.85 910 4.45 965 4.95 1020 5.50 1075 6.05 1125 6.60 1170 7.15 1215 7.65 1260 8.25 1300 8.75
7750 630 2.40 715 3.00 790 3.55 855 4.10 920 4.70 975 5.25 1030 5.80 1080 6.35 1130 6.90 1180 7.50 1225 8.05 1265 8.60 1305 9.15
8000 640 2.55 725 3.20 800 3.80 865 4.35 930 4.95 985 5.50 1040 6.10 1090 6.70 1140 7.25 1185 7.85 1230 8.40 1275 9.00 1315 9.60
8250 655 2.80 740 3.40 810 4.00 880 4.65 940 5.25 995 5.85 1050 6.45 1100 7.05 1150 7.65 1195 8.25 1240 8.85 1280 9.40 1325 10.05
8500 670 3.00 750 3.65 825 4.30 890 4.90 950 5.55 1005 6.15 1060 6.80 1110 7.40 1160 8.05 1205 8.65 1250 9.25 1290 9.85 1330 10.45
8750 685 3.25 765 3.90 835 4.55 900 5.20 960 5.85 1015 6.45 1070 7.15 1120 7.75 1165 8.35 1215 9.05 1255 9.65 1300 10.30 1340 10.90
9000 700 3.50 780 4.20 850 4.85 910 5.50 970 6.15 1025 6.80 1080 7.50 1130 8.15 1175 8.75 1220 9.40 1265 10.10 1310 10.80 1350 11.40
9250 715 3.75 790 4.45 860 5.15 925 5.85 985 6.55 1040 7.20 1090 7.85 1140 8.55 1185 9.20 1230 9.85 1275 10.55 1315 11.20 - - - - - -
9500 730 4.00 805 4.75 875 5.45 935 6.15 995 6.90 1050 7.60 1
100 8.25 1150 8.95 1195 9.60 1240 10.30 1285 11.05 - - - - - - - - - - - -
9750 745 4.30 820 5.05 885 5.75 950 6.55 1005 7.20 1060 7.95 1110 8.65 1160 9.40 1205 10.05 1250 10.80 1295 11.50 - - - - - - - - - - - -
10,000 760 4.60 835 5.40 900 6.15 960 6.85 1015 7.60 1070 8.35 1120 9.05 1170 9.80 1215 10.50 1260 11.25 - - - - - - - - - - - - - - - - - -
10,250 775 4.90 845 5.65 910 6.45 970 7.20 1030 8.00 1080 8.75 1135 9.55 1180 10.25 1225 11.00 - - - - - - - - - - - - - - - - - - - - - - - -
10,500 790 5.20 860 6.00 925 6.85 985 7.65 1040 8.40 1095 9.20 1145 10.00 1190 10.70 1235 11.45 - - - - - - - - - - - - - - - - - - - - - - - -
10,750 805 5.55 875 6.40 940 7.25 1000 8.05 1055 8.85 1105 9.65 1155 10.45 1200 11.20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
11,000 820 5.90 890 6.80 950 7.60 1010 8.45 1065 9.30 1115 10.05 1165 10.90 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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Lennox LGH180H Specifications

General IconGeneral
BrandLennox
ModelLGH180H
CategoryAir Conditioner
LanguageEnglish

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