Product Specification Guide
Model KSQ Direct Drive Mixed Flow Roof Supply Fan
Facility Services Subgroup: Division 23 Section 23 34 23

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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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.
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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.	99-16 - Standards Handbook
2.	200-95 - Publication, Air Systems
3.	201-02 - Publication, Fans and Systems
4.	202-17 - Publication, Troubleshooting
5.	203-90 - Publication, Field Performance Measurement of Fan Systems
6.	211-22 - Publication, Certified Ratings Program – Product Rating Manual for Fan Air Performance
7.	300-14 - Standard Reverberant Room Method for Sound Testing of Fans
8.	311-16 - 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.	204-20 - Standard Balance Quality and Vibration Levels for Fans
2.	210-16 - 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 outlet 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 supply fans are licensed to bear Air Movement and Control Association (AMCA), Certified Rating Seal for FEI, Sound and Air Performance
G.	Provide fan FEI value on design documents and product submittals when operating power is greater than or equal to 1 hp
H.	Installation, Operation, and Maintenance Manual (IOM): Provide manufacturer's installation, operations, and maintenance manual, including instructions on installation, operations, maintenance, 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 210-16and AMCA Standard 300-14 in an AMCA accredited laboratory. Fans shall be certified to bear the AMCA label for sound, air, and FEI performance seal
B.	Fans shall have a Fan Energy Index (FEI) rating that meets or exceeds requirements of the latest edition of ASHRAE 90.1
C.	Classification for Spark Resistant Construction Conform to AMCA 99
D.	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)
E.	Comply with the National Electrical Manufacturers Association (NEMA), standards for motors and electrical accessories
F.	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
G.	Each High Wind model is subject to be certified by a third party to the ASTM E330 Static Pressure Difference Standard
H.	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
I.	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 MIXED FLOW ROOF SUPPLY FAN - GREENHECK MODEL KSQ

A.	General Description:
1.	Base fan performance at standard conditions (density 0.075 Lb/ft3)
2.	Performance capabilities up to 16,750 cubic feet per minute (cfm) and static pressure to 2.75 inches of water gauge
3.	Fans are available in twelve sizes with nominal wheel diameters ranging from 7 inches through 33 inches (7 thru 33 unit sizes)
4.	Continuous operating temperature range of -10º Fahrenheit (-23.3º Celsius) to 130º Fahrenheit (54.4º Celsius)
5.	Roof or sidewall mounted applications
6.	Each fan shall bear a permanently affixed manufacture's engraved metal nameplate containing the model number and individual serial number
B.	Wheel:
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Specifier Note: Edit the following wheel material to fit the requirements of the project:
1.	Aluminum
2.	Composite (sizes 7-9)
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1.	Constructed of [aluminum] [composite] 
2.	Wheel type to be non-overloading, mixed flow
3.	Statically and dynamically balanced in accordance to AMCA Standard 204-05
4.	The wheel cone and fan inlet will be matched and shall have precise running tolerances for maximum performance and operating efficiency.
5.	Single thickness blades are securely riveted or welded to a heavy gauge back plate and wheel cone.
C.	Motors:
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Specifier Note: Item 1 (a-b) is an AC induction type motor. If specifying this type of motor, delete item 2 (a-f) Electronically Commutated motor.
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Specifier Note: Edit the following motor enclosures to meet project requirements.Consult manufacturer for additional information.
1.	Totally Enclosed Fan Cooled (TEFC) – No opening in the frame or brackets. Equipped with an external fan to blow air over the motor.
2.	Totally Enclosed Air Over (TEAO) – Motor is not self-ventilated and must be cooled by means external to the motor.
3.	Totally Enclosed Non-Vented (TENV) – No opening in the frame or brackets. Airflow over motor is not needed
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1.	AC Induction Motor
a.	Motor enclosures: [Totally Enclosed Fan Cooled] [Totally Enclosed Air Over] [Totally Enclosed Non-Vented]
b.	Motors are permanently lubricated, heavy duty ball bearing type to match with the fan load and pre-wired to the specific voltage and phase.
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Specifier Note: Item 2 is an Electronically Commutated motor (Vari-Green®). If specifying the Vari-Green® motor, item 2 (a-f) below are specific to this motor. Item 1 (a-b) above (AC induction type motor) should be deleted.
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Specifier Note: Edit the following motor enclosures to meet project requirements:
1.	Totally Enclosed Fan Cooled (TEFC) – No opening in the frame or brackets. Equipped with an external fan to blow air over the motor.
2.	Totally Enclosed Air Over (TEAO) – Motor is not self-ventilated and must be cooled by means external to the motor.
3.	Totally Enclosed Non-Vented (TENV) – No opening in the frame or brackets. Airflow over motor is not needed
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2.	Electronically Commutated Motor
a.	Motor enclosures: [Totally Enclosed Fan Cooled] [Totally Enclosed Air Over] [Totally Enclosed Non-Vented]
b.	Electronic commutation type motor (ECM) specifically designed for fan applications. AC induction type motors are not acceptable. Examples of unacceptable motors are: Shaded Pole, Permanent Split Capacitor (PSC), Split Phase, Capacitor Start and 3 phase induction type motors.
c.	Motors are permanently lubricated, heavy duty ball bearing type to match with the fan load and pre-wired to the specific voltage and phase.
d.	Internal motor circuitry to convert AC power supplied to the fan to DC power to operate the motor or integrated variable frequency drive.
e.	Motor shall be speed controllable down to 20% of full speed (80% turndown). Speed shall be controlled by either a potentiometer dial mounted at the motor or by a 0-10 VDC signal.
f.	Motors can achieve up to 95% efficiency, model and horsepower dependent.
D.	Housing/Hood:
*********************************************************************************************************Specifier Note: Edit the following construction materials to meet project requirements.
Consult manufacturer for additional information. Galvanized is Factory Standard. *********************************************************************************************************
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Specifier Note: Edit the following inlet cone material to fit the requirements of the project:
1.	Aluminum
2.	Composite (sizes 7-12)
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Specifier Note: Edit the following intake and discharge arrangements to fit the requirements of the project:
1.	Horizontal Intake, Horizontal Discharge
2.	Horizontal Intake, Bottom Discharge
3.	Bottom Intake, Horizontal Discharge
4.	Bottom Intake, Bottom Discharge
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1.	Construction material: [Galvanized] [Painted Steel]
2.	Intake arrangement: [Horizontal] [Bottom]
3.	Discharge arrangement: [Horizontal] [Bottom]
4.	Removable hood cover and side panels
5.	Leak resistant
E.	Inlet Cone:
1.	Construction material: [Aluminum] [Composite]
F.	Housing Supports and Drive Frame:
1.	Drive Frame is constructed of structural steel with formed flanges. 
2.	Lifting lugs shall be located on the housings supports
G.	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). Consult manufacturer for additional information.
1.	NEMA 3R – Outdoor application falling rainwater.
2.	NEMA 4 – Outdoor application hose directed water.
3.	NEMA 4X – Same as NEMA 4, but corrosion resistant.
4.	NEMA 7 and 9 – Explosion resistant indoor and outdoor use.
5.	NEMA 12 – Industrial use, dust-tight, and drip-tight, oil resistant for indoor use.
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1.	NEMA Rated: [3R] [4] [4X] [7 and 9] [12]
2.	Positive electrical shut-off
3.	Wired from fan motor to junction box 
H.	Filters:
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Specifier Note: Edit the following filter selection to fit the requirements of the project.
1.	Washable aluminum one-inch filter
2.	Washable aluminum one-inch filter and two-inch MERV13 filter
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1.	Filter: [Washable aluminum one-inch filter] [Washable aluminum one-inch filter and two-inch MERV13 filter]
I.	Curb Cap:
1.	Includes pre-punched mounting holes to ensure correct attachment to roof
J.	Options/Accessories:
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Specifier Notes: Specify accessories required for the fan. Delete accessories not required. Consult manufacturer for additional information.
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1.	Finishes:
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Specifier Notes: Edit the following finishes to meet project requirements. Consult manufacturer for additional information. 
a.	Permatector – Thermo-setting polyester urethane
b.	Hi-Pro Polyester – Meets or exceeds the chemical resistance properties of Air Dry Phenolic (Heresite)
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a.	Type: [None] [Permatector] [Hi-Pro Polyester] 
2.	Roof Curb:
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Specifier Notes: Edit the following roof curb to meet project requirements. Consult manufacturer for additional information on ridged and sound curbs and for additional information.
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a.	Type: [GPI] [GPF] [GPFHL] [GPFHD] [GPR] [GPS] [GPIP] [GPIR] [GPF] [GPFP] [GPFR] [GCC]
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] 
3.	Curb Extension:
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Specifier Notes: Edit the following curb extension to meet project requirements. Consult manufacturer for additional information.
a.	GPE – Bolted access door and damper holding tray
b.	GPEX – Curb extension without access door or damper tray
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a.	Type: [GPE] [GPEX] 
b.	Material: [Aluminum] [Galvanized]
c.	Coating: [None] [Permatector] [Hi-Pro Polyester]
d.	Raise the fan discharge above the roof line to provide for an accessible mounting location for dampers
4.	Equipment Supports:
a.	Type: [GESS] [GESR] [GESI]
b.	Material: [Aluminum] [Galvanized]
c.	Coating: [None] [Permatector] [Hi-Pro Polyester] 
5.	Curb Seal:
a.	Rubber seal between the fan and the roof curb
6.	Dampers:
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Specifier Notes: Edit the following type of Dampers to meet project requirements. Specify damper size based on specified fan size. Consult manufacturer for additional information. *************************************************************************************************************
a.	Type: [Gravity] [Motorized] 
b.	Prevents outside air from entering back into the building when fan is off
c.	Galvanized frames with pre-punched mounting holes
d.	Balanced for minimal resistance to flow
7.	Duct Adapter:
a.	Shall be mounted over roof curb to locate the top of duct, limit performance losses which shall align the ductwork to the fan discharge

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.	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