20 Johnson Controls
Technical Guide: YK145.00-EG4 (309) Water Source Heat Pumps
BLOWER PERFORMANCE
BLOWER PERFORMANCE
Unit
Size
Rated
CFM
Min.
CFM
Max.
CFM
Motor
Speed
External Static Pressure (in w.g.)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
007 260 182 299
High - - - - - - - - -
Med - - 300 270 235 200 - - -
Low 275 260 240 210 180 - - - -
009 320 235 368
High - - 380 360 330 290 240 - -
Med 340 325 300 270 235 - - - -
Low---------
012 400 300 460
High - 475 450 420 385 345 300 - -
Med 470 455 430 400 365 325 - - -
Low 385 370 355 330 300 - - - -
018 640 495 736
High - 750 710 660 610 555 495 - -
Med 690 660 625 585 540 490 - - -
Low 600 570 535 495 - - - - -
024 800 560 920
High - - - 950 890 820 740 650 550
Med 925 905 875 840 790 730 660 590 -
Low 810 795 780 765 725 660 590 - -
030 1000 730 1150
High - - 1170 1120 1060 985 905 820 730
Med 1150 1125 1090 1045 990 925 850 765 -
Low 980 970 955 935 905 855 785 - -
036 1200 865 1380
High - 1390 1330 1270 1210 1140 1055 960 865
Med 1355 1320 1270 1215 1155 1085 1005 920 -
Low 1200 1190 1170 1130 1085 1020 950 - -
042 1400 980 1480
High - 1175 1160 1120 1075 1015 930 - -
Med 1370 1320 1275 1210 1150 1070 925 - -
Low 1480 1410 1350 1290 1220 1140 1050 950 -
048 1600 1160 1880
High - - - 1915 1835 1750 1660 1550 1415
Med 1880 1860 1820 1770 1710 1640 1550 1450 1320
Low 1495 1490 1485 1480 1460 1420 1360 1285 1160
060 2000 1560 2300
High - 2320 2260 2200 2120 2040 1920 1840 1700
Med 2040 2030 2005 1970 1925 1860 1785 1700 1610
Low 1760 1750 1730 1700 1660 1610 1560 - -
070 2200 1700 2400
High 2400 2320 2260 2200 2120 2040 1920 1840 1700
Med 2040 2030 2005 1970 1925 1860 1785 1700 -
Low---------
Units are shipped pre-wired for Medium speed.
All airflow ratings are at lowest voltage rating of dual rating (ie. 208 volt)
Airflow ratings include resistance of wet coil and clean air filters.
