TABLES
AIR FLOW PERFORMANCE-(-)GRA& (-)GTA MODELS
MODEL
BLOWER/
CFM@ESP
MOTORHP
SPEED
.1
.2
.3
.4 .5
.6
.7
(·)GRA-04 11x7/
1
/2
LOW 805
780
760
720 685
645 605
•r,HO
920
885
850
810
775
730
690
M-HI 1140
1110
1085
1045 1010 950
890
HIGH 1360
1320
1280
1235
1195
1140 1080
(-)GTA-04
11 x 7
I ½ LOW
820
790 760
725
690
650 610
•M-LO
930 890
850
815 785 750
720
M·HI
1150 1120
1090
1045 1002 950 900
HIGH
1414
1365
1320
1270 1220 1165
1115
(-)GRA-06 11
x7 I ½
LOW 770
740
710 675
645 605
570
'M-LO 880
845
815
790
760
715 670
M-HI
1060
1025
990
960
925 880 835
HIGH
1260
1215
1175
1135 1100 1040 985
(-)GTA-06 11
X 7 / 1f2
LOW
795
760 730
695
660
615 570
*M-LO
910 885 860
815 770 725 680
M-HI 1115
1080
1045
1005 965 920
675
HIGH 1365
1315
1270
1225 1180 1125
1070
(-)GRA-07
11 X 7 /
112
LOW 780
745 710
675 640 595 555
M·LO 880 850
825
785 750 702
655
•M-HI
1090
1050
1010 970 925 875
825
HIGH
1300 1255
1210
1160 1110 1055 1005
(-)GTA-07
11 X 7
I 1/2
LOW 780 750 720
675
635 595 555
M-LO
690
860 835 790
750 705
660
'M-HI 1100 1060 1025
980 940 890
845
HIGH
1340 1295 1250 1200 1150
1090 1025
(-)GRA-07
12X71/2 /
¾
LOW 1105 1095 1080 1050 1030
1010 990
M-LO
1290 1275 1260 1220 1195
1170
1140
M-HI
1480
1435
1415
1390
1370
1300
1255
HIGH
1705 1665
1615 1570
1540 1475
1400
(·)GTA-07
12X 7 ½ /
¾
LOW 1185
1160 1140 1115
1095 1065 1040
M-LO
1405 1375 1350 1310
1270 1235 1195
M·HI 1595 1560 1525 1480 1440
1380 1325
HIGH
1835 1780 1730 1675 1625 1555 1480
(·)GRA-09
12X11 /
¾
LOW 1235 1210 1185 1150 1120
1075 1035
'M-LO
1490 1465
1440 1405
1375
1315 1255
M-HI
1720
1670
1620
1600
1580
1520
1460
HIGH
2100 2050 2000
1955
1910 1825 1745
(·)GTA-09
12X11 / ¾
LOW 1155 1125 1100 1080
1060 1000 940
*M-LO
1420
1400 1380
1365
1350
1260
1175
M-HI
1605 1575 1550 1560
1570 1480 1390
HIGH
2005 1965 1930 1890 1850
1765 1680
(·)GRA-10
12X11
/¾
LOW 1230
1205
1180 1155 1130
1090 1050
*M-LO
1490 1445 1405 1375 1350
1295
1240
M-HI
1710
1665 1620 1580
1540 1475
1410
HIGH
2010 1955 1900 1855 1810
1710 1610
(·)GTA-10
12X11/¾
LOW 1180 1150 1120 1100 1080
1025 970
•M-LO
1460 1425 1390 1375 1360
1280 1200
M-HI
1680 1645 1615 1585 1560
1490 1420
HIGH
2055 2000
1940 1880
1820
1745
1675
(·)GRA-12
11 X10
/¼
LOW 1320 1305
1290
1260
1230
1185
1140
*M-LO
1610 1580 1555 1515
1475 1415 1355
M-HI
1870
1820
1775
1715 1660 1590 1520
HIGH 2115
2050
1990 1945
1900 1795 1690
{·)GTA-12
11 X 10 /3/,
LOW 1285 1250 1215 1235
1260 1230 1200
*M-LO
1590
1565 1540 1505
1475 1425 1375
M-HI
1840 1820 1800 1750
1700
1645 1590
HIGH
2315
2250 2185 2110
2040 1965 1890
• Heating speed for cooling applications
NOTE:Units tested with filters in place.
•
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