Greenheck G User Manual

40
Roof Downblast - Exhaust
Belt Drive
GB-330
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.
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.
1
3
⁄4 (44)
Damper Size = 36 x 36 (914 x 914)
Roof Opening = 38½ x 38½ (978 x 978)
Shroud Thickness = 0.080 (2.0)
Motor Cover Thickness = 0.064 (1.6)
Curb Cap Thickness = 0.080 (2.0)
^Approximate Unit Weight = 385 lbs. (175 kg)
All dimensions in inches (millimeters). *May be greater depending on
motor. ^Weight shown is largest cataloged Open Drip-Proof motor.
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
F
T
O
F
T
H
I
S
S
Y
S
T
E
M
C
U
R
V
E
Static Pressure (in. wg)
Static Pressure (Pa)
Volume (cfm x 1000)
3
Volume (m /hr x 1000)
RPM (Belt)
HP
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
58
3
⁄4
(1492)
8
7
⁄8 (225)
*38
1
⁄2
(978)
46
(1168)
Motor
HP
Fan
RPM
Static Pressure in Inches wg
0 0.125 0.25 0.375 0.5 0.75 1 1.25 1.5 1.75
330
1/3
255
CFM
6159 5043 3236
BHP
0.22 0.25 0.22
Sones
5.2 4.9 4.8
275
CFM
6643 5633 4308
BHP
0.28 0.31 0.31
Sones
5.9 5.5 5.2
1/2 325
CFM
7850 7029 6036 4757
BHP
0.46 0.50 0.52 0.50
Sones
8.5 8.3 7.4 7.1
3/4 370
CFM
8937 8232 7410 6480 5257
BHP
0.68 0.73 0.76 0.76 0.72
Sones
10.2 9.8 9.2 8.4 8.3
1 415
CFM
10024 9401 8713 7927 7050
BHP
0.95 1.01 1.06 1.07 1.07
Sones
12.6 11.9 11.3 10.6 10.0
1
1
⁄2 465
CFM
11232 10683 10087 9425 8706 6966
BHP
1.34 1.40 1.46 1.50 1.51 1.46
Sones
15.1 14.6 14.0 13.4 12.8 11.7
2 510
CFM
12319 11824 11294 10719 10085 8696 6472
BHP
1.77 1.84 1.91 1.96 1.98 1.99 1.79
Sones
17.7 17.2 16.6 16.1 15.6 14.4 13.9
3
550
CFM
13285 12828 12340 11822 11266 10041 8616
BHP
2.22 2.29 2.37 2.43 2.47 2.51 2.46
Sones
19.6 19.2 18.7 18.2 17.7 16.7 15.7
590
CFM
14251 13825 13376 12908 12408 11307 10081 8536
BHP
2.74 2.82 2.90 2.98 3.03 3.09 3.08 2.95
Sones
22 21 21 20 19.8 18.8 17.7 17.1
5
645
CFM
15580 15190 14786 14366 13922 12958 11912 10749 9292
BHP
3.57 3.66 3.75 3.84 3.91 4.00 4.04 4.01 3.85
Sones
24 24 24 23 23 22 21 20 19.4
700
CFM
16908 16549 16185 15798 15408 14564 13624 12640 11538 10184
BHP
4.57 4.66 4.761 4.86 4.95 5.08 5.14 5.17 5.12 4.94
Sones
28 27 27 27 27 26 25 24 23 22
MAXIMUM BHP AT A GIVEN RPM = (RPM/405)
3
MAXIMUM RPM = 700
TIP SPEED (ft/min) = RPM x 9.425
MAXIMUM MOTOR FRAME SIZE = 215T

Greenheck G Specifications

General

Brand	Greenheck
Model	G
Category	Ventilation Hood
Language	English