Lennox G21Q Series Unit Information

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BLOWER DATA (contd.) (units equipped with conventional multispeed blower motor)
G21Q460 AND G21Q480
BLOWER PERFORMANCE
External Static Air Volume @ Various Speeds
Pressure
(in. wg)
High Medium Low
0 1793 1295 1050
.05 1770 1290 1050
.10 1747 1285 1050
.15 1724 1280 1050
.20 1700 1275 1050
.25 1675 1267 1050
.30 1648 1258 1050
.40 1585 1233 1036
.50 1517 1193 1012
NOTE  All cfm data is measured external to unit with the air filter in place.
G21Q3100 BLOWER PERFORMANCE
External Static Air Volume @ Various Speeds
Pressure
(in. wg)
High Medium Low
0 1850 1660 1500
.05 1805 1635 1470
.10 1760 1610 1440
.15 1720 1575 1420
.20 1680 1540 1400
.25 1635 1505 1375
.30 1590 1470 1350
.40 1500 1400 1290
.50 1400 1320 1220
.60 1290 1230 1140
NOTE  All cfm data is measured external to unit with the air filter in place.
G21Q4/5100 BLOWER PERFORMANCE
ExternalStatic Air Volume (cfm) @ Various Speeds
Pressure
(in. wg)
High MedHigh Medium MedLow Low
0 2450 2340 2140 1910 1690
.05 2420 2310 2110 1880 1670
.10 2390 2270 2080 1860 1640
.15 2350 2240 2050 1830 1620
.20 2320 2210 2020 1800 1590
.25 2280 2170 1990 1770 1570
.30 2250 2140 1960 1740 1540
.40 2180 2060 1890 1680 1480
.50 2100 1980 1810 1610 1420
.60 2005 1890 1740 1530 1350
NOTE  All cfm data is measured external to unit with the air filter in place.
GSR21Q350 BLOWER PERFORMANCE
External Static Air Volume (cfm) @ Various Speeds
Pressure
(in. wg)
High MedHigh MedLow Low
0 1640 1405 1070 875
.05 1620 1390 1065 870
.10 1595 1375 1060 865
.15 1570 1360 1055 860
.20 1545 1345 1045 855
.25 1520 1325 1035 850
.30 1490 1305 1025 840
.40 1430 1260 995 810
.50 1365 1200 960 775
.60 1285 1135 910 735
.70 1195 1055 840    
.80 1085 955 755    
NOTE  All cfm data is measured external to unit with the air filter in place.
GSR21Q380 BLOWER PERFORMANCE
External Static Air Volume @ Various Speeds
Pressure
(in. wg)
High Medium Low
0 1735 1455 1095
.05 1720 1445 1090
.10 1700 1435 1085
.15 1675 1420 1080
.20 1640 1405 1070
.25 1615 1385 1060
.30 1585 1355 1045
.40 1520 1290 995
.50 1440 1210 930
.60 1330 1120 870
.70 1180 1015    
.80 1035 900    
NOTE  All cfm data is measured external to unit with the air filter in place.

Lennox G21Q Series Specifications

General

Brand	Lennox
Model	G21Q Series
Category	Industrial Equipment
Language	English