Goodman GDS8 Technical Information Manual page 20

BLOWER PERFORMANCE SPECIFICATIONS
Model
Motor
( )
Heating Speed Speed
As Shipped
HIGH
GDS80453AX* MED
(MEDIUM) MED-LO
LOW
HIGH
GDS80703AX* MED
(MEDIUM) MED-LO
LOW
HIGH
GDS80904BX* MED
(MEDIUM) MED-LO
LOW
HIGH
GDS81155CX* MED
(MEDIUM) MED-LO
LOW
NOTES:
• CFM in chart is without filter(s). Filters do not ship with this furnace, but must be provided by the installer.
• All furnaces ship as hig-speed cooling. Installer must adjust blower cooling speed as needed.
• For most jobs, about 400 CFM per ton when cooling is desirable
• INSTALLATION IS TO BE ADJUSTED TO OBTAIN TEMPERATURE RISE WITHIN THE RANGE SPECIFIED ON THE RATING PLATE.
• The chart is for information only. For satisfactory operation, external static pressure must not exceed values shown on the rating plate. The shaded area insicated
ranges in excess of maximum static pressure allowed when heating.
• The dashed (---) areas indicate a temperature rise not recommended for this model.
• The above chart is for U.S. furnaces installed at 0' - 2,000'. At higher altitudes, a properly de-rated unit will have approximatley the same temperature rise at a
particular CFM, while ESP at the CFM will be lower.
20
BLOWER PERFORMANCE
(CFM & Temperature Rise vs. External Static Pressure)
EXTERNAL STATIC PRESSURE (Inches Water Column)
Tons AC
at 0.5" 0.1
ESP CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM
1435 --- 1421
3.0
2.5 1140 29 1114
899 37 889
2.0
691 48 674
1.5
1406 37 1393
3.0
2.5 1153 45 1101 347 1077
890 58 896
2.0
1.5 690 --- 682
2007 --- 1993
4.0
3.5 1612 41 1606
1325 50 1299
3.0
2.5 1043 64 1040
2381 --- 2312
5.0
1801 47 1801
4.0
969 --- 969
3.5
1100 --- 1100
3.0
0.2 0.3 0.4
--- 1380 --- 1322
30 1084 31 1063
37 875 38 871
49 665 50 651
37 1379 37 1307
48 1039
58 873 59 862
--- 664 --- 631
--- 1975 --- 1940
41 1570 42 1533
51 1280 52 1244
64 1032 64 1002
--- 2312 --- 2219
51 1667 51 1638
--- 1140 --- 1223
--- 1060 --- 1031
GDS8
0.5 0.6 0.7
25 1262 26 1200 1144 1064
31 1039 32 1002 943
38 857 39 821 780
51 637 52 618 562
39 1262 41 1208 1145 1070
50 1028 50 987 947
60 834 --- 798 771
--- 616 --- 583 549 509+
--- 1844 36 1770 1668 1559
43 1501 44 1448 1373 1301
53 1222 54 1186 1140 1079
--- 981 --- 955 915
--- 2134 40 2024 1930 1839
52 1613 53 1513 1441 1369
69 1269 67 1292 1322 1358
--- 1001 --- 953 937
0.8
897
745
525
885
727
869
874