Product Specification Guide
Tube Axial Inline Direct Drive Fans, Model TDI
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.	Tube Axial Inline Direct Drive Fan, Model TDI

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

1.3 REFERENCES
A.	ANSI/AMCA Standard 99-10, “Standards Handbook” 
B.	ANSI/AMCA Standard 204-05, “Balance Quality and Vibration Levels for Fans”
C.	ANSI/AMCA Standard 210-07, “Laboratory Methods of Testing Fans for Aerodynamic Performance Rating”
D.	AMCA Publication 211-05, “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 311-05, “Certified Ratings Program – Product Rating Manual for Fan Sound Performance”
G.	AMBA - Method of Evaluating Load Ratings of Bearings ANSI-11 (r1999).
H.	ANSI/AMCA Standard 500-D-12, "Laboratory Methods of Testing Dampers for Rating"
I.	OSHA guideline 1910.212 – General requirements for Machine Guarding. (www.osha.gov)
J.	OSHA guideline 1910.219 – General requirements for guarding safe use of mechanical power transmission apparatus. (www.osha.gov)
K.	OSHA guideline 1926.300 – General requirements for safe operation and maintenance of hand and power tools. (www.osha.gov)
L.	UL/cUL Standard 705, “Power Ventilators”

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Specifier Notes:

Fans with a Fan Monitoring System selected shall include the following. 

Fan Monitor shall include all of the following:
1.	NEMA-4 / IP56 Enclosure rating
2.	Factory calibrated, plug and play wiring
3.	120-240 VAC or 24 VAC/VDC input voltage
4.	Two analog sensor inputs using any of the following: 4-20 mA, 0-10 VDC, 2-10 VDC
5.	Three selectable isolated outputs matched to inputs: 4-20 mA, 0-10 VDC, 2-10 VDC
6.	Temperature range: -4 to 140°F (-20 to 60°C)
7.	LCD display with touch panel interface
8.	English or metric readings
9.	ETL Listed

And one of the following sensor packages.
•	Bearing Vibration
•	Current
•	Current and Vibration
•	Bearing Temperature
•	RPM and Current
•	Airstream Temperature and Pressure
•	Fan RPM
•	RPM and Vibration
•	System Pressures

Bearing Vibration: Used to detect and monitor vibration on fan shaft bearing(s) or motor bearing.
1.	Velocity vibration sensor, corrosion resistant stainless steel casing
2.	Temperature Range: -40 to 185°F (-40  to 85°C)
3.	Input Voltage: 10 VDC minimum, 30 VDC maximum
4.	Output Signal: 4-20 mA
5.	Accuracy: 5% transverse sensitivity, ±2% repeatability
6.	Each kit includes sensor unit, base and cable.
 Fan monitor programmed with fault setting for alarm and IO for trend analysis indicating bearing condition.

Current Sensor: Used to detect current (amps) usage of motor.
1.	Current sensor with analog output, operating power induced from monitored wiring
2.	NEMA 4/4X, 6 (IP 66/67) polycarbonate mounting enclosure
3.	Temperature Range: 5 to 104°F (-15 to 40°C)
4.	Output Signal: 0-10 VDC
5.	Maximum Motor Current: 100 Amps
6.	Maximum distance from fan monitor: 100 feet (30 m)
7.	Accuracy: ±1%, 2 to 100% FSO
Fan monitor to provide fault setting for alarm, run time value for maintenance and power usage.

Bearing Temperature: Used to detect and monitor temperature on fan shaft bearings.
1.	J type thermocouple terminal ring with wiring
2.	Push button temperature transmitter with LED for visual sensor fault and programming mode
3.	NEMA 4X (IP 66) transmitter mounting enclosure
4.	Temperature Range:
•	Temperature Terminal Ring: 32 to 482°F (0 to 250°C)
•	Transmitter: -4 to 158°F (-20 to 70°C)
5.	Input Voltage: 24 VDC
6.	Output Signal: 4-20 mA
7.	Accuracy: ±0.9°F (±0.5°C)
Fan monitor programmed with fault setting for alarm and IO for trend analysis indicating future bearing health and real-time temperature status reading.

RPM: Used to detect rpm of fan.
1.	Inductive proximity sensor with nickel plated brass construction
2.	Frequency to analog converter and transmitter
3.	NEMA 4X (IP 67) transmitter enclosure
4.	Temperature Range: 32 to 120°F (0 to 50°C)
5.	Input Voltage: 9 VDC minimum, 32 VDC maximum
6.	Output Signal: 4-20 mA
7.	Maximum distance from fan monitor: 100 feet (30 m)
8.	Accuracy: ±0.1%
Fan monitor to provide fault setting for alarm exceeding maximum limit, actual run time and maintenance for fan bearing lubrication, motor lubrication and belt replacement.

Airstream Temperature: Used to detect system process temperature.
1.	Thermocouple stainless steel construction
2.	Push button temperature transmitter with LED for visual sensor fault and programming mode
3.	NEMA 4X (IP 66 with supplied mounting enclosure
4.	Temperature Range:
•	Temperature Probe: -148 to 212°F (-100 to 100°C)
•	Transmitter: -4 to 158°F (-20 to 70°C)
5.	Input Voltage: 24 VDC
6.	Output Signal: 4-20 mA
7.	Accuracy: ±0.9°F (±0.5°C)
Fan monitor to provide a system fault for high and/or low temperature and active status reading.

Pressure: Used to detect system pressure or pressure differential.
1.	Two (2) pressure probes with stainless steel tip and integral mounting bracket
2.	Differential pressure transmitter
3.	NEMA 4X (IP 66) enclosure for transmitter
4.	Temperature Range: 0 to 150°F (-18 to 66°C)
5.	Input Voltage: 10 to 35 VDC
6.	Output Signal: 0 to 10 VDC
7.	Accuracy: ±1%
Fan monitor to provide a system fault alarm and active status reading.

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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 and certified for air performance. Fan shall be licensed to bear the AMCA ratings seal for air performance (AMCA 210).  
B.	Classification for Spark Resistant Construction shall conform to ANSI/AMCA Standard 99.

1.5	SUBMITTALS
A.	Provide dimensional drawings and product data on each medium pressure axial fan.
B. 	Provide fan curves for each fan at the specified operation point, with the flow, static pressure and horsepower clearly plotted.
C.	Provide outlet velocity of axial fans and both inlet and outlet 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 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. /ft3).
B.	Fans selected shall be capable of accommodating static pressure and flow variations of +/-15% of scheduled values.
C.	Each fan shall be direct driven in AMCA arrangement 4 with propeller secured to the motor shaft.

2.2	FAN HOUSING AND OUTLET
A.	Fan housing shall be constructed of continuously welded heavy gauge steel and include integral punched inlet and outlet flanges to prevent air leakage.
B.	Housing to be coated with a minimum of 3 mils of Permatector, an electrostatically applied and baked polyester urethane. Finish color shall be gray. Coating must exceed 1,000-hour salt spray under ASTM B117 test method.
C.	Motor support framework to be constructed of structural steel to prevent vibration and rigidly support the motor and propeller. Motor supports within the fan housing to be welded to the fan casing. Bolted construction is not acceptable. All support framework to be coated with a minimum of 3 mils of Permatector, 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.
D.	Fan housing shall be capable of field transitions from horizontal to vertical for either base mounted or ceiling hung configurations.

2.3	FAN IMPELLER
A.	Fan propeller shall use cast aluminum airfoil blades. The propeller shall be statically and dynamically balanced. Hubs shall be two-piece aluminum castings that securely lock the blades in place.
B.	A standard square key or tapered lock bushing shall be used to lock the propeller to the motor shaft.
C.	The wheel and fan inlet shall be carefully matched and shall have precise running tolerances for maximum performance and operating efficiency. 

2.4	FAN MOTORS AND DRIVE
A.	Motors shall be 3600 RPM, 1800 RPM, 1200 RPM or 900 RPM in 60 Hz, {2900, 1500, 975, or 750 in 50 Hz), Totally Enclosed Fan Cooled (TEFC) with a 1.15 service factor.
B.	Motors must be standard NEMA T-Frame designs that are readily available from motor vendors. Suppliers using C-Face or Pad Mount motors must include provisions to provide replacement motors in case of a motor failure due to long motor lead times.

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 TDI, Tube Axial Inline Fans.