Blower performance – York YK145.00-EG4 User Manual
Page 20
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.