Product Specification Guide
Commercial Mixed Flow Jet Fan, Model GJI
Facility Services Subgroup: Division 23 (Previously Division 15)

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Specifier Notes: This product specification guide is written according to the Construction Specifications Institute (CSI) Format.

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	WORK INCLUDED  
A.	Mixed Flow Jet Fan, Model GJI

1.2 RELATED SECTIONS 
A.	All sections, drawing plans, specifications and contract documents.

1.3 REFERENCES
A.	ANSI/AMCA Standard 99-16, “Standards Handbook” 
B.	ANSI/AMCA Standard 204-05, “Balance Quality and Vibration Levels for Fans”
C.	ANSI/AMCA Standard 210-16, “Laboratory Methods of Testing Fans for Aerodynamic Performance Rating”
D.	AMCA Publication 211-13, “Certified Ratings Program – Product Rating Manual for Fan Air Performance”
E.	AMCA Standard 300-08, “Reverberant Room Method for Sound Testing of Fans”
F.	AMCA Publication 311-16, “Certified Ratings Program – Product Rating Manual for Fan Sound Performance”
G.	OSHA guideline 1910.212 – General requirements for Machine Guarding. (www.osha.gov)
H.	UL/cUL Standard 705, “Power Ventilators”

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1.4	QUALITY ASSURANCE
A.	Performance ratings: Conform to ANSI/AMCA Standards 210 and 300. Fan must be tested in accordance with AMCA Publications 211 and 311 in an AMCA accredited laboratory.
B.	Fan shall be UL/cUL listed for Power Ventilators.

1.5	SUBMITTALS
A.	Provide dimensional drawings and product data on each centrifugal jet fan.
B. 	Provide fan curves for each fan at the specified operation point, with the flow, static pressure and horsepower clearly plotted.
C.	Provide throw distance and thrust force of centrifugal jet fans and total sound power readings for the eight octave bands. 
D.	Strictly adhere to QUALITY ASSURANCE requirements as stated in section 1.4 of this specification.

1.6	DELIVERY, STORAGE, AND HANDLING
A.	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.	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, Operation and Maintenance manual.
C.	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.

1.7	WARRANTY
A.	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 12 [24, 36] months 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 the manufacturer, transportation prepaid.
2.	Motor Warranty is warranted by the motor manufacturer for a period of one year. Should motors furnished prove defective during this period, they should be returned to the nearest authorized motor service station.

2. EQUIPMENT
2.1	GENERAL
A.  Base fan performance at standard conditions (density 0.075 Lb. /ft^3).
B.	Each fan shall be direct driven in AMCA arrangement 4 with impeller secured to the motor shaft.

2.2	FAN HOUSING AND OUTLET
A.	Fan housing to be aerodynamically designed with integral discharge vanes for improved throw.
B.	Fan housing and support framework shall be constructed of galvanized steel [coated galvanneal] with a formed angles for structural rigidity and strength.
C.	Fan has dual inlet, wheels and motors to provide a smaller mounting height with high efficiency axial flow pattern.  
D.	NEMA 3R rated, lockable disconnect switch for local power turn-off.
E.	Fan shall have wiring connection terminal strip with removable access panel. Terminal strip to have clearly identified connection points with snap connections for power and control wiring.
F.	Fan shall have integrated speed dial or potentiometer for local speed setting. Speed control to be field convertible to permit 0-10 VDC control signal option.
G.	Fan shall have a galvanized inlet guard to protect fan impeller and prevent foreign materials entering fan inlet.
H.	All housing and support framework to be coated with a minimum of 3 mils of Permatector [Hi-Pro Polyester], an electrostatically applied and baked polyester urethane. Finish color shall be RAL 7023, concrete grey. Coating must exceed 1,000-hour salt spray under ASTM B117 test method.

2.3	FAN IMPELLER
A.	Fan impeller shall be mixed flow design and use composite material for blades and wheel hub. Impeller shall have 7 shaped and fluted blades. The impeller both statically and dynamically balanced.
B.	The wheel and fan inlet cone shall be carefully matched and shall have precise running tolerances for maximum performance and operating efficiency.

2.4	FAN MOTORS AND DRIVE.
A.	Motors (qty 2) shall be rated for ½ hp,4000 RPM, 1 phase, 200...277V, 50/60 Hz. Motor enclosure rating of IP40 or higher.
B.	Motor shall have integrated power electronics for efficient motor speed control via 0-10 VDC signal.

3. EXECUTION
3.1	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.

3.2	INSTALLATION
A.	Install fans systems as indicated on the contract drawings.
B.	Install fans in accordance with manufacturer’s Installation, Operation and Maintenance manual.

4. ACCEPTABLE MANUFACTURERS
A.	Greenheck Fan Corporation, PO Box 410, Schofield WI 54476-0410, www.greenheck.com          Model GJI, Mixed Flow Jet Fans.