Greenheck Vari-Green 309025, Инструкция по установке, эксплуатации и обслуживанию

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5..~an Shaft first critical speed is at least 25 percent over maximum operating speed.
E. Housing:
1. Constructed of he~vy gauge :aluminum iricludes exterior housing, windband, and motor
compartment housmg. Galvanized material is not acceptable.
2. Housing shall have a rigid internal support structure.
3. Wind~and .to be one piece uniquely spun aluminum construction and maintain original
matenal thickness throughout the housing.
4. Windband to include a integral rolled bead for strength.
5. Drive frame assemblies shall be constructed of heavy gauge steel and mounted on
vibration isolators.
6. Breather tube shall be
10
square inches in size for fresh air motor cooling; and
designed to allow wiring to be run through it.. ,
7. Leak resistant.
8. Steel mounting plate and integral venturi attached to windband.
F. Motor Cover:
1. Constructed of aluminum
G. Vibration Isolation:
1. Sized to match the weight of each fan
H. Disconnect Switches:
*.** ••
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Specifier Notes: Edit the following Disconnect Switches to meet project requirements: Factory Mounted
and Shipped loose for field mounting, National Electrical Manufacturers Association (NEMA):
1. NEMA 1: indoor application no water. Factory standard.
2. NEMA 3R: outdoor application falling rain water.
3. NEMA 4: outdoor application hose directed water.
4. NEMA 4X: same as NEMA 4, but corrosion resistant.
5. NEMA 7 and 9: Explosion resistant indoor and outdoor use.
6. NEMA 12: Industrial use, dust-tight, and drip-tight, oil resistant for indoor use.
Consult manufacturer for additional information.
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******** •••
*
1. NEMA rated: [1] [3R] [4] [4X] [7 and 9] [12J
2.
Positive electrical shut-off
3. Wired from fan motor to junction box installed within motor compartment
I. Drive Assembly:
1.
Belts, pulleys, and keys oversized for a minimum of 150 percent of driven horsepower
2. Belt: Static free and oil resistant
3. Pulleys: Cast type, keyed, and securely attached to wheel and motor shafts
4. Motor pulleys are adjustable for final system balancing
5. Readily accessible for maintenance
J.
Mounting Plate:
1. Attached and sealed to the wall prior to installation of unit
K. Options/Accessories: "
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***~*********************************.*******.********
**********
Specifier Notes: Specify accessories 1 - 7 required for the exhaust fans. Delete ,accessories not
required. Consult manufacturer for additional informatiori .
•• *************** •• ~************************.****.****
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**~****.**.*
1. Birdscreen:
*************.***.***********************************.
***********************************.*****.**~*********
************
Specifier Notes: 'Edit the following birdscreen material to meet project reqUirements. Consult
manufacturer for additional information.
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******.***.**.**.*************.****** ••***********~~**
************
a. Construction material: [Galvanized] [Aluminum]
b. Protects fan discharge
2. Clean Out Port:
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**~.***.*~.*
Specifier Notes: Clean out port is a patented option by Greeriheck. COl'lsultGreenheck for additional
information.
CSI Specifications for Belt Drive Sidewall Mounted Centrifugal Exhaust Fan, Model- CWB (08/10)
Copyright
@
2010
Greenheck Fan Corporation
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