Greenheck Fan Centrifugal Roof Downblast Exhaust Fans GB User Manual
Page 16
0
100
200
300
400
500
600
700
800
900
1000
0
20
40
60
80
100
120
140
160
180
200
220
0
100
200
300
400
500
600
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
085-E
085-G
085-D
085-VG
080-VG
080-D
080-G
080-E
RPM (Direct Drive)
RPM (Vari Green)
Density 0.075 lb/ft
3
Static Pr
essur
e (in. wg)
Volume (cfm)
m
3
/hr
Static Pr
essur
e (Pa)
Volume ( )
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
F
T
O
F
T
H
IS
S
Y
S
T
E
M
C
U
R
V
E
Density 1.2 kg/m
3
16
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. The sound ratings shown are loudness values in hemispherical sones at 5 ft. (1.5 m) in a hemispherical free field calculated per AMCA Standard 301.
Values shown are for installation type A: free inlet hemispherical sone levels.
Damper Size = 10 x 10
(254 x 254)
Roof Opening = 12½ x 12½
(318 x 318)
Shroud Thickness = 0.064
(1.6)
Motor Cover Thickness = 0.040
(1.0)
Curb Cap Thickness = 0.064
(1.6)
^Approximate Unit Weight = 19 lbs.
(9 kg)
All dimensions in inches (millimeters). *May be greater depending on motor.
^Weight shown is largest cataloged Open Drip-Proof motor.
Roof Downblast - Exhaust
Direct Drive
G-080 • G-085
Direct
Drive
Motor
HP
Fan
RPM
Static Pressure in Inches wg
0
0.1
0.125
0.15
0.2
0.25
0.3
0.375
0.5
0.625
080
VG-
1/6 or
1/4
E-1/40
1050
CFM
335
268
249
230
189
134
BHP
0.01
0.02
0.02
0.02
0.02
0.02
Sones
3.8
3.7
3.6
3.7
3.9
4.2
G-1/30
1300
CFM
415
361
348
333
303
272
239
174
BHP
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.03
Sones
5.4
5.4
5.4
5.4
5.4
5.5
5.6
5.9
D-1/20
1550
CFM
495
450
439
427
404
379
354
314
237
BHP
0.04
0.04
0.04
0.05
0.05
0.05
0.05
0.06
0.06
Sones
7.3
7.3
7.3
7.3
7.3
7.2
7.3
7.3
7.6
1725
CFM
551
511
501
490
469
449
426
392
332
260
BHP
0.05
0.06
0.06
0.06
0.06
0.07
0.07
0.07
0.08
0.08
Sones
9.1
9.1
9.1
9.1
9
8.9
8.9
8.9
9.1
9.4
085
VG-
1/6 or
1/4
E-1/40
1050
CFM
398
326
307
286
240
179
BHP
0.01
0.02
0.02
0.02
0.02
0.02
Sones
4
3.9
3.9
3.9
4.1
4.3
G-1/30
1300
CFM
493
436
420
405
375
340
302
233
BHP
0.02
0.03
0.03
0.03
0.03
0.04
0.04
0.04
Sones
5.5
5.3
5.3
5.3
5.3
5.3
5.4
5.5
D-1/20
1550
CFM
588
541
528
515
490
464
439
394
308
168
BHP
0.04
0.04
0.05
0.05
0.05
0.05
0.06
0.06
0.06
0.06
Sones
7.6
7.4
7.4
7.4
7.4
7.4
7.4
7.4
7.6
8.1
1725
CFM
654
612
602
590
567
544
521
486
419
340
BHP
0.05
0.06
0.06
0.06
0.07
0.07
0.07
0.08
0.08
0.09
Sones
9.5
9.4
9.4
9.3
9.3
9.3
9.3
9.3
9.4
9.4
E-1050
-
RPM
G-1300
-
RPM
D-1550
-
RPM
VG-1725
-
RPM
1
3
⁄
4
(44)
21
3
⁄
4
(552)
*14
5
⁄
8
(371)
17
(432)
4
(102)
Direct Drive RPM