Greenheck Series L Brochure & Specs page 10

Centrifugal roof exhaust fans
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LD/LDP 60-75
Direct Drive
LD Dimensions
22
(559)
1
3
4
17
(44)
(432)
LDP Dimensions
23
(584)
1
3
17
4
(44)
(432)
LD 60 thru LD 75
Hood Thickness
Cover Thickness
Louver Thickness
Curb Cap Thickness
Damper Size Square
Roof Opening Square
Weight*
Galvanized, 37
All dimensions are in inches (millimeters). Weight in pounds (kilograms).
*Weight shown is the largest cataloged Open Drip Proof motor. See page 8 for
severe duty LDP dimensions.
Model
Motor
Number
HP
LD/LDP-60
1/60
LD/LDP-65
1/30
LD/LDP-70
1/30
LD/LDP-75
1/25
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (Bhp) does not include transmission losses. Performance ratings include the effects of a
birdscreen in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
10
27
13
1
(686)
2
(343)
17
(432)
23
11
1
(584)
2
(292)
17
(432)
LDP 60 thru LDP 75
24 ga
-
-
0.064
(0.029)
-
0.081
(0.036)
0.064
0.064
(0.029)
(0.029)
8
8
(203)
(203)
10
1
10
1
(267)
(267)
2
2
Aluminum, 49
(17)
Fan
Watts
RPM
0
CFM
202
1590*
51 W
Sones
4.8
CFM
274
1680*
70 W
Sones
5.6
CFM
360
1665*
73 W
Sones
6.4
CFM
400
1620*
79 W
Sones
5.8
140
120
13
100
(330)
80
60
2
(51)
40
20
0
13
1
2
140
(343)
120
100
80
60
40
20
0
(22)
CFM / Static Pressure in Inches wg
0.1
0.125
0.2
0.25
171
164
139
119
4.3
4.3
4.0
3.8
245
238
208
187
5.3
5.2
5.0
5.1
324
314
282
257
6.0
5.9
5.5
5.4
360
351
317
290
5.2
5.1
4.9
4.7
Size 60 and 65
0.6
Density 0.075 lb/ft 3
0.5
0.4
0.3
0.2
0.1
0.0
0
50
100
150
200
cfm
0
50
100
150
200
250
300
350
3
m
/hr
Size 70 and 75
0.6
Density 0.075 lb/ft
0.5
0.4
0.3
0.2
0.1
0.0
0
50
100
150
200
250
cfm
0
100
200
300
400
3
m
/hr
0.3
0.375
0.4
0.45
97
3.6
165
129
112
5.1
5.1
5.2
231
188
171
132
5.3
5.2
5.1
5.0
264
222
206
168
4.5
4.2
4.1
4.0
RPM
250
300
400
450
500
RPM
3
300
350
400
500
600
0.5
122
3.8

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