Blower Performance Specifications - Goodman GDH8 Series Technical Manual

Gdh8 series 33-3/8" 80% gas furnace 80% afue, 2-stage (convertible), multi-speed, dedicated downflow
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BLOWER PERFORMANCE SPECIFICATIONS

Model
Motor
Speed
Hi gh
GDH8
Med
0403A*A*
Med-Lo
Low
Hi gh
GDH8
Med
0603A*A*
Med-Lo
Low
Hi gh
GDH8
Med
0804B*A*
Med-Lo
Low
Hi gh
GDH8
Med
1005C*A*
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 high-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
indicates
ranges in excess of maximum static pressure allowed when heating.
• The dashed (- - -) areas indicate a temperature rise not recommended for this model.
• At higher altitudes, a properly de-rated unit will have approximately the same temperature rise at a
particular CFM, while ESP at the CFM will be lower.
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
3.0
1 ,353
25
1,290
2.5
1 ,183
28
1,113
2.0
980
34
946
1.5
778
43
762
3.0
1 ,290
40
1,236
2.5
1 ,139
46
1,090
2.0
962
54
927
1.5
787
66
776
4.0
2 ,128
31
2,063
3.5
1 ,840
36
1,788
3.0
1 ,602
42
1,558
2.5
1 ,277
52
1,252
5.0
2 ,405
35
2,361
4.0
1 ,880
45
1,838
3.5
1659
51
1,630
3.0
1 ,472
58
1,454
0.2
0.3
0.4
26
1,246
27
1,199
30
1,098
30
1,052
35
920
36
900
44
738
45
746
42
1,194
43
1,166
48
1,035
50
1,063
56
925
56
941
67
763
68
744
32
2,001
33
1,927
37
1,745
38
1,689
43
1,543
43
1,493
53
1,244
54
1,229
36
2,250
38
2,161
46
1,794
47
1,734
52
1,587
54
1,537
59
1,404
61
1,366
GDH8***A*
0.5
0.6
0.7
28
1,149
29
1,116 1,11 6 1,099
32
1,039
32
1,006 1,01 2 969
37
896
37
885
855
45
738
45
717
696
44
1,176
44
1,166 1,10 8 1,029
49
1,063
49
1020
962
55
909
57
877
834
70
723
72
690
641
35
1,824
37
1,726 1,62 8 1,529
39
1,625
41
1,550 1,47 0 1,364
45
1,455
46
1,402 1,32 8 1,239
54
1,214
55
1,179 1141 1079
39
2,037
42
1,937 1,80 8 1,689
49
1,677
51
1,568 1,51 0 1,401
55
1,492
57
1,445 1,36 8 1,287
62
1,326
64
1300 1228 1139
0.8
804
678
895
779
581
13

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