Lennox CHA16-024, Service Manual, Page: 10 / 67

Page 10
BLOWER DATA CHA16
CHA16-024 BLOWER PERFORMANCE
@ 230 VOLTS (With Down-Flow Air Openings)
External Static
Air Volume at Various Blower Speeds
External Static
Pressure
High
MediumĆ
High
MediumĆ
Low
Low
in. w.g. Pa cfm L/s cfm L/s cfm L/s cfm L/s
0 0 1370 645 950 450 875 415 660 310
.05 12 1365 645 955 450 880 415 670 315
.10 25 1350 635 960 455 885 420 675 320
.15 37 1340 630 960 455 885 420 680 320
.20 50 1320 625 955 450 880 415 680 320
.25 62 1300 615 950 450 875 415 680 320
.30 75 1280 605 940 445 870 410 675 320
.40 100 1220 575 920 435 850 400 660 310
.50 125 1150 545 880 415 820 385 630 295
.60 150 1070 505 835 395 775 365 585 275
.70 175 975 460 780 370 725 340 535 250
.75 185 925 435 745 350 700 330 500 235
NOTE Ċ For 208v unit operation, derate air volume by 7%. All air data is meaĆ
sured external to the unit with dry coil and without air filter.
CHA16-024 BLOWER PERFORMANCE
@ 230 VOLTS (With Horizontal Air Openings)
External Static
Air Volume at Various Blower Speeds
External Static
Pressure
High
MediumĆ
High
MediumĆ
Low
Low
in. w.g. Pa cfm L/s cfm L/s cfm L/s cfm L/s
0 0 1405 665 905 425 820 385 620 295
.05 12 1400 660 935 440 845 400 640 300
.10 25 1385 655 955 450 865 410 655 310
.15 37 1370 645 975 460 880 415 665 315
.20 50 1355 640 985 465 890 420 670 315
.25 62 1335 630 990 465 895 420 670 315
.30 75 1310 620 985 465 890 420 670 315
.40 100 1260 595 965 455 870 410 650 305
.50 125 1195 565 915 430 830 390 615 290
.60 150 1120 530 840 395 865 410 560 265
.70 175 1035 490 740 350 675 320 490 230
.75 185 990 465 685 325 620 295 445 210
NOTE Ċ For 208v unit operation, derate air volume by 7%. All air data is measured
external to the unit with dry coil and without air filter.
CHA16-030 BLOWER PERFORMANCE
@ 230 VOLTS (With Down-Flow Air Openings)
External Static
Air Volume at Various Blower Speeds
External Static
Pressure
High
MediumĆ
High
MediumĆ
Low
Low
in. w.g. Pa cfm L/s cfm L/s cfm L/s cfm L/s
0 0 1355 640 1255 590 1105 520 900 425
.05 12 1345 635 1250 590 1100 520 910 430
.10 25 1330 630 1245 590 1090 515 915 430
.15 37 1310 620 1235 585 1080 510 915 430
.20 50 1290 610 1220 575 1070 505 910 430
.25 62 1270 600 1205 570 1055 500 900 425
.30 75 1245 590 1180 555 1035 490 890 420
.40 100 1190 560 1130 535 990 465 855 405
.50 125 1125 530 1060 500 935 440 805 380
.60 150 1050 495 980 560 870 410 735 345
.70 175 960 455 885 420 790 375 655 310
.75 185 915 430 835 395 745 350 605 285
NOTE Ċ For 208v unit operation, derate air volume by 7%. All air data is measured
external to the unit with dry coil and without air filter.
CHA16-030 BLOWER PERFORMANCE
@ 230 VOLTS (With Horizontal Air Openings)
External Static
Air Volume at Various Blower Speeds
External Static
Pressure
High
MediumĆ
High
MediumĆ
Low
Low
in. w.g. Pa cfm L/s cfm L/s cfm L/s cfm L/s
0 0 1445 680 1330 630 1105 520 900 425
.05 12 1435 680 1295 610 1105 520 910 430
.10 25 1420 670 1285 605 1105 520 915 430
.15 37 1400 660 1275 600 1100 520 920 435
.20 50 1380 650 1265 595 1095 515 920 435
.25 62 1360 640 1250 590 1085 510 915 430
.30 75 1335 630 1230 580 1070 505 905 425
.40 100 1280 605 1185 560 1035 490 880 415
.50 125 1220 575 1135 535 995 470 840 395
.60 150 1150 545 1070 505 935 440 790 375
.70 175 1070 505 995 470 870 410 720 340
.75 185 1025 485 955 450 830 390 680 320
NOTE Ċ For 208v unit operation, derate air volume by 7%. All air data is measured
external to the unit with dry coil and without air filter.