®
Upon receiving unit, check for any damage
and report it immediately to the shipper. Also
check to see that all accessory items are
accounted for.
Move fan to desired location and fasten
securely through mounting holes in base.
Shims may be necessary depending upon
roofing material thickness. The diagram
below shows dimensions for Model CUBE.
Access to the motor compartment is
accomplished by removing the screws
designated “R” in Fig. 1. The cover can then
be removed and placed on a flat surface in
an area protected from strong winds.
The motor’s amperage and voltage rating
must be checked for compatibility to the
supply voltage prior to final electrical
connection. For NFPA - restaurant CUBE
applications, the electrical supply must enter
the motor compartment through the breather
tube. For other non-flammable applications
the electrical supply can be routed through
the conduit chase between the curb cap and
the bottom of the motor compartment.
Consult local code authorities for your
specific requirements.
A drain trough is provided on all CUBE fans
for single-point drainage of water and
residue. Some means for collection of this
residue must be provided, either a container
directly under the trough or use of an
adapter and pipe to carry the residue to a
remote collection point. An optional grease
trap with water separator baffles is available
from your Greenheck representative.
Installation, Operating and Maintenance Manual
READ AND SAVE THESE INSTRUCTIONS
Model CUBE Belt Drive
Upblast Centrifugal
Roof Exhaust Fan
PN 457693
MODEL
A
B
*C
D
Shaft
Bearings
Damper
Size
Roof
Opening
Approx.
Unit
Weight
CUBE-098, 101, 101HP, 121, 131
19
24
7
/
8
28
1
/
4
17
3
/
8
3
/
4
12x12
14
1
/
2
x 14
1
/
2
66
CUBE-141, 141HP
CUBE-161, 161HP, 161XP
22
28
7
/
8
29
3
/
4
19
3
/
8
3
/
4
16x16
18
1
/
2
x 18
1
/
2
87
CUBE-180
3
/
4
CUBE-180HP
1
126
CUBE-200
30
35
3
/
8
28
5
/
8
21
3
/
4
18x18
20
1
/
2
x 20
1
/
2
CUBE-200HP
1
142
CUBE-220, 220HP
CUBE-240, 240HP, 240XP
34
42
3
/
4
33
7
/
8
25
1
/
2
1
24x24
26
1
/
2
x 26
1
/
2
175
CUBE-300, 300HP, 300XP
40
50
36
29
1
30x30
32
1
/
2
x 32
1
/
2
313
CUBE-360, 360HP, 360XP
46
58
5
/
8
39
1
/
8
29
3
/
8
36x36
38
1
/
2
x 38
1
/
2
440
CUBE-420
52
65
3
/
16
44
3
/
4
35
1
/
4
1
1
/
4
42x42
44
1
/
2
x 44
1
/
2
578
CUBE-480
58
74
3
/
16
48
1
/
8
36
1
1
/
2
48x48
50
1
/
2
x 50
1
/
2
675
Dimension “A” is the inside dimension of the curb cap. The roof curb should be 1
1
/
2
in. less than
the curb cap to allow for roofing and flashing.
All dimensions are in inches. *May vary depending on motor size.
Dimensional Data
B
R
1
3
/
4 in.
A
D
*C
Fig. 1
Installations
Recommended
General
Ventilation
Installation
Recommended
Commerical
Kitchen
Installation
8 in. or 12 in. min.
Recommended
Roof Opening
3
/
4 in.
1
1
/
4 in.
1
1
/
4 in.
Recommended
Duct and
Damper Size
Wiring by
Others
Factory Wired
Motor to
Disconnect
Roof Deck
Damper
Welded Duct
by others
min. of 18 in.
above roof
deck (per
NFPA)
NEMA 3R
Disconnect
factory wired
from motor to
disconnect
through the
breather tube
Liquid Tight
Flexible Conduit
by Others
Recommended
Roof Opening
Roof Deck
Minimum 40 in.
Discharge
Height
8 in. min.
Grease
Trap
Vented Curb
Extension
Optional
(per NFPA)
