Product Specification Guide
Model ERD Hooded Reversible Four Way Propeller Fan
Facility Services Subgroup: Division 23 Section 23 34 23

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Specifier Notes: This product specification guide is written in accordance to the Construction Specifications Institute (CSI) Format - 2004 Edition.

This section must be carefully reviewed and edited by the Engineer to meet the requirements of the project and local building code. Coordinate with other specification sections and the drawings.

Delete all unnecessary “Specifier Notes” when editing this section.

Note to User: This document is subject to copyright protection and is proprietary to Greenheck Fan Corporation.  However, Greenheck Fan Corporation authorizes the user a limited non-exclusive license to use this document or portions of it for the purpose of preparing written product specifications for the above CSI MasterFormat category.  All information in this document as provided by Greenheck Fan Corporation is informational in nature and is provided without representation or warranty of any kind as to the user or any other party, including, without limitation, ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE, OR NON-INFRINGEMENT.  To the greatest extent permitted by applicable law, Greenheck Fan Corporation assumes no liability, and User assumes all liability and risk, for the use or results from the use of this document or the information contained herein, whether as modified by the user or not.  Users should consult www.greenheck.com to verify that this document represents the most current version.
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1.	GENERAL
1.1	SUMMARY
A.	Section Includes: HVAC Power Ventilators
B.	Related Sections:
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Specifier Notes: Delete any sections below not relevant to this project; add others as required.
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1.	01 00 00 General Requirements
2.	07 00 00 Thermal and Moisture Protection
3.	09 00 00 Finishes
4.	23 00 00 Heating, Ventilating, and Air-Conditioning (HVAC)
5.	26 00 00 Electrical

1.2	REFERENCES
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Specifier Notes: Delete references from the list below that are not actually required by the text of the edited section.
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A.	Air Movement and Control Association Inc. (AMCA):
1.	99 - Standards Handbook
2.	200 - Publication, Air Systems
3.	201-90 - Publication, Fans and Systems
4.	202-88 - Publication, Troubleshooting
5.	203-90 - Publication, Field Performance Measurement of Fan Systems
6.	211-05 - Publication, Certified Ratings Program – Product Rating Manual for Fan Air Performance
7.	300-96 - Standard Reverberant Room Method for Sound Testing of Fans
8.	311-05 - Publication Certified Ratings Program – Product Rating Manual for Fan Sound Performance
9.	99-0401-86 - Classification for Spark Resistant Construction
10.	99-2408-69 - Operating Limits for Centrifugal Fans
B.	Air Movement and Control Association Inc. (AMCA), American National Standards Institute (ANSI):
1.	204-05 - Standard Balance Quality and Vibration Levels for Fans
2.	210-99 - Standard Laboratory Methods of Testing Fans for Aerodynamic Performance Rating
C.	American National Standards Institute (ANSI):
1.	11-r1999 - Method of Evaluating Load Ratings of Bearings 
D.	American Society of Civil Engineers (ASCE):
1.	7-02 - Minimum Design Loads for Building and Other Structures
E.	American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc. (ASHRAE):
1.	Chapter 45 - 2003 Handbook, HVAC Applications
2.	Chapter 7 - 2001 Fundamentals handbook, Sound-Vibration
3.	Chapter 32 - 2001 Fundamentals handbook, Duct Design
4.	Chapter 18 - 1992 HVAC System and Equipment handbook, Fans
F.	American Society for Testing and Materials (ASTM):
1.	E330-02 - Standard Test Method for Structural Performance of Exterior Windows, Doors, Skylight and Curtain Walls by Uniform Static Air Pressure Difference
G.	National Fire Protection Association (NFPA)
1.	70 - National Electrical Code
2.	90A-02 - Standard for the Installation of Air-Conditioning and Ventilating Systems
3.	92A-06 - Recommend Practice for Smoke-Control System
4.	92B-05 - Standard for Smoke Management System in Malls, Atria, and Large Areas
5.	96-04 - Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations
H.	Occupational Safety and Health Administration (OSHA):
1.	1910.212 - General requirements for Machine Guarding
2.	1910.219 - General requirements for guarding safe use of mechanical power transmission apparatus
3.	1926.300 - General requirements for safe operation and maintenance of hand and power tools
I.	Underwriters Laboratories (UL):
1.	507 - Electric Fans
2.	555 - Fire Dampers
3.	555S - Smoke Dampers
4.	705 - Standard Power Ventilators
5.	762 - Standard Power Roof Ventilators for Restaurant Exhaust Appliances
6.	793 - Snow Load

1.3	SUBMITTALS
A.	General: Submit in accordance with Section 01 33 00 Submittal Procedures
B.	Provide dimensional drawings and product data on each fan
C.	Provide fan curves for each fan at the specified operation point, with the flow, static pressure and horsepower clearly plotted
D.	Provide outlet velocity and fan's inlet sound power readings for the eight octave bands, decibels, and sones
E.	Strictly adhere to QUALITY ASSURANCE requirements as stated in section 1.04 of this specification
F.	Provide manufacturer's certification that exhaust fans are licensed to bear Air Movement and Control Association (AMCA), Certified Rating Seal for sound and air performance
G.	Installation, Operation, and Maintenance Manual (IOM): Provide manufacturer's installation, operations, and maintenance manual, including instructions on installation, operations, maintenance, pulley adjustment, receiving, handling, storage, safety information and cleaning. A troubleshooting guide, parts list, warranty and electrical wiring diagrams

1.4	QUALITY ASSURANCE
A.	Performance ratings: Conform to AMCA standard 211 and 311. Fans must be tested in accordance with ANSI/AMCA Standard 210-99 and AMCA Standard 300-96 in an AMCA accredited laboratory. Fans shall be certified to bear the AMCA label for air and sound performance seal
B.	Classification for Spark Resistant Construction Conform to AMCA 99
C.	Each fan shall be given a balancing analysis which is applied to wheels at the outside radius. The maximum allowable static and dynamic imbalance is 0.05 ounces (Balance grade of G6.3)
D.	Comply with the National Electrical Manufacturers Association (NEMA), standards for motors and electrical accessories
E.	The High Wind models shall be analyzed and stamped by a state license P.E. to the ASCE 7-02 Standard which meets the IBC, Florida and Miami-Dade codes
F.	Each High Wind model is subject to be certified by a third party to the ASTM E330 Static Pressure Difference Standard
G.	All High Wind models shall be analyzed using Computational Fluid Dynamics (CFD). The CFD simulates the flow of high speed (150MPH) winds over the surface of objects
H.	The Finite Element Analysis (FEA) is the results from the CFD and it can accurately predict the stress, strain, and deflection resulting from high wind loads

1.5	DELIVERY, STORAGE, AND HANDLING
A.	Delivery: Deliver materials to site in manufacturer’s original, unopened containers and packaging, with labels clearly indicating manufacturer, material, products included, and location of installation
B.	Storage: Store materials in a dry area indoor, protected from damage, and in accordance with manufacturer’s instructions. For long term storage follow manufacturer's Installation, Operations, and Maintenance Manual
C.	Handling: Handle and lift fans in accordance with the manufacturer’s instructions. Protect materials and finishes during handling and installation to prevent damage. Follow all safety warnings posted by the manufacturer

1.6	WARRANTY
A.	Manufacturer's Warranty: Submit, for Owner's acceptance, manufacturer's standard warranty document executed by authorized company official. Manufacturer's warranty is in addition to, and not a limitation of, other rights Owner may have under Contract Documents
1.	The warranty of this equipment is to be free from defects in material and workmanship for a period of one year from the purchase date. Any units or parts which prove defective during the warranty period will be replaced at the Manufacturers option when returned to Manufacturer, transportation prepaid
2.	Motor Warranty is warranted by the motor manufacturer for a period of one year. Should motors furnished by us prove defective during this period, they should be returned to the nearest authorized motor service station

1.7	MAINTENANCE
A.	Refer to Manufacturer's Installation, Operation and Maintenance Manual (IOM), to find maintenance procedures

2.	PRODUCTS
2.1	MANUFACTURER
A.	Greenheck, PO Box 410, Schofield, Wisconsin 54476. Phone (715) 359-6171. 
Fax (715)355-2399. Website: www.greenheck.com

2.2	DIRECT DRIVE HOODED REVERSIBLE FOUR WAY PROPELLER FANS - GREENHECK MODEL ERD
A.	General Description:
1.	Function types are Exhaust and Recirculation
2.	Roof mounted applications
3.	Performance capabilities up to 42,700 cubic feet per minute (cfm) and static pressure to 0.5 inches of water gauge. 
4.	Fans are available in six sizes with nominal wheel diameter ranging from 24 inches through 54 inches (24 - 54 unit sizes)
5.	Maximum continuous operating temperature is 130 Fahrenheit (54.4 Celsius)
6.	Each fan shall bear a permanently affixed manufacturer's engraved metal nameplate containing the model number and individual serial number					
B.	Wheel:
1.	Constructed of cast aluminum, airfoil, reversible design of the blades and hubs
2.	Shall be securely attached to fan shaft
3.	Statically and dynamically balanced in accordance to AMCA Standard 204-05
4.	The propeller and fan inlet will be matched and shall have precise running tolerances for maximum performance and operating efficiency
C.	Motors:
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Specifier Note: Edit the following motor enclosures to fit the requirements of the project:
1.	Open driproof (ODP)-opening in the frame body and or end brackets.
2.	Totally enclosed fan cooled (TEFC) - no opening in the frame or brackets. Equipped with an external fan to blow air over the motor.
Consult manufacturer for additional information. ************************************************************************************************************************
1.	Motor enclosures: [Open driproof] [Totally enclosed fan cooled] 
2.	Motors are permanently lubricated, heavy duty ball bearing type to match with the fan load and furnished at the specific voltage and phase
3.	A standard square key and set screw or tapered bushing shall lock the propeller to the motor shaft
4.	Motor support frames are constructed of heavy gauge steel angles
5.	Accessible for maintenance
D.	Function Types:
1.	Exhaust: Evacuates excess heat to reduce cooling costs
2.	Recirculation: Destratifies warm air accumulated at ceiling level and directs it downward to reduce heating costs
E.	Windband:
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Specifier Note: Edit the following windband material to meet project requirements
Consult manufacturer for additional information. 
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1.	Material Type: [Galvanized Steel] [Aluminum]
2.	Removable windband to gain access to the fan through the butterfly dampers
3.	One-piece with integral rolled bead
4.	Directs exhaust air away from mounting surface
F.	Butterfly Dampers:
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Specifier Note: Edit the following damper type on the butterfly dampers to meet project requirements
Consult manufacturer for additional information. 
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1.	Damper type: [Gravity] [Motorized]
2.	Constructed of aluminum or galvanized
3.	Provide weather protection and prevents backdraft when fan is not in operation
4.	Blades with rubber seal
G.	Drive Frame:
1.	Bolted construction
2.	Drive frame assemblies shall be galvanized steel
3.	Drive frame shall have formed channels and fan panels shall have prepunched mounting holes, formed flanges and a deep formed one piece inlet venturi
H.	Fan Hood:
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Specifier Note: Edit the following fan hood material types to meet project requirements: Galvanized steel is factory standard. Consult manufacturer for additional information
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1.	Material type; [Steel] [Aluminum]
2.	Hood panels are arched with interlocking seams for weather protection
3.	Supporting member are galvanized steel angles
I.	Birdscreen:
1.	Constructed of ½ inch galvanized steel mesh
2.	Mounted horizontally across the discharge/intake area of the hood
J.	Protective Guards:
1.	Mounted to the bottom of the plenum to protect fan
K.	Plenums:
1.	Constructed of galvanized steel
2.	Supported at the roof curb by mounting channels
3.	On both sides of the plenum shall be access panels
L.	Bases:
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Specifier Note: Edit the following base material types to meet project requirements: Galvanized steel is factory standard. Consult manufacturer for additional information
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1.	Material type: [Steel] [Aluminum]
2.	Standard height is 12 inches high with pre-punched mounting holes for installation
M.	Fan Panels:
1.	Constructed of heavy gauge steel with formed flanges and a double venturi 
N.	Options/Accessories:
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Specifier Notes: Specify accessories 1 - 10 required for the fans. Delete accessories not required. Consult manufacturer for additional information.
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1.	Control Center:
a.	Operating Mode is ER-CC: Exhaust/Recirculate only
b.	Allows operator to manually change the modes of operation of the fan from a convenient remote location
c.	Controls are based in a NEMA-1 cabinet constructed of steel and coated with Permatector
d.	Mode selector switch shall be used to engage the fan functions: exhaust and recirculate
e.	Temperature control available with mix mode only to maintain preset temperature
2.	Curb Seal:
a.	Rubber seal between the fan and the roof curb
3.	Discharge Diffusers:
a.	4-way directional diffuser with 4 manual quadrants
b.	Constructed of heavy gauge galvanized steel frames and blades
c.	Shall have prepunched mounting flanges
d.	Ability to direct airflow of the fan
4.	Disconnect Switches:
a.	NEMA - 1 rated: for indoor application, no water
b.	Positive electrical shut-off
c.	Wired from fan motor to junction box installed within motor compartment
5.	Finishes: 
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Specifier Notes: Edit the following finishes to meet project requirements: 
1.	Primer- factory primed for field applications of final finish
2.	Baked Enamel- applied to match or complement building colors
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a.	Types: [Primer] [Baked Enamel]
6.	Hood Insulation
a.	Lined with ½ inch fiberglass insulation to prevent condensation and sound levels
7.	Plenum Extension:
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Specifier Notes: Edit the following plenum extensions to meet project requirements: 
Consult manufacturer for additional information
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a.	Extension: [12] [24][36] inches
b.	Height can be increased to clear pitched roofs, beams and other solid obstruction
8.	Roof Curbs:
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Specifier Notes: Edit item 1 for the following roof curbs to fit project requirements:
1.	GPI- Welded, straight sided curb with 2 inches of flashing flange and wood nailer 
2.	GPF- Welded, straight side curb with 5 inch flashing flange, no wood nailer
3.	GPNS- tabbed and riveted curb with 45 degree cant and wood nailer
4.	GPS- Welded curb with 45 degree cant and wood nailer
5.	GPIP- For pitched roofs, welded straight side curb with 2 inch flashing flanges and wood nailer
6.	GPFP- For pitched roofs, welded straight side curb with 5 inch flashing flanges, no wood nailer
Edit Items 3 through 5 to meet project requirements. Consult Greenheck for additional information on ridged and sound curbs.
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a.	Types: [GPI] [GPF] [GPNS] [GPS] [GPIP] [GPFP] [GPR]
b.	Mounted onto roof with fan
c.	Material: [Aluminum] [Galvanized]
d.	Insulation thickness: [1] [1.5] [2] inches
e.	Coating Type: [None] [Permatector] [Hi-Pro Polyester] [Primer]] [Baked Enamel] 
9.	Tie-Down Points:
a.	Four aluminum brackets located on windband secures fan in heavy wind applications

3.	EXECUTION
3.1	MANUFACTURER'S INSTRUCTIONS
A.	Compliance: Comply with manufacturer's product data, including technical bulletins, product catalog installation instructions

3.2	EXAMINATION
A.	Examine areas to receive fans. Notify the Engineer of conditions that would adversely affect installation or subsequent utilization and maintenance of fans. Do not proceed with installation until unsatisfactory conditions are corrected

3.3	PREPARATION
A.	Ensure roof openings are square, accurately aligned, correctly located, and in tolerance
B.	Ensure duct is plumb, sized correctly, and to proper elevation above roof deck. Install duct as specified in Air Distribution (Division 23)

3.4	INSTALLATION
A.	Install fans system as indicated on the Installation, Operation and Maintenance Manual (IOM) and contract drawings
B.	Install fans in accordance with manufacturer's instructions

3.5	SYSTEM STARTUP
A.	Refer to Installation, Operation, and Maintenance Manual (IOM)

3.6	ADJUSTING
A.	Adjust exhaust fans to function properly
B.	Adjust Belt Tension
C.	Lubricate bearings
D.	Adjust drive for final system balancing
E.	Check wheel overlap

3.7	CLEANING
A.	Clean as recommended by manufacturer. Do not use material or methods which may damage finish surface or surrounding construction

3.8	PROTECTION
A.	Protect installed product and finished surfaces from damage during construction
B.	Protect installed exhaust fans to ensure that, except for normal weathering, fans will be without damage or deterioration at time of substantial completion

Section 1.01	END OF SECTION 23 34 23