P.O. Box 410
Schofield, WI  54476

Phone:  715.359.6171
www.greenheck.com

Product Specification Guide
Model AMS Air Measuring Control Dampers
Facility Service Subgroup: Division 23 HVAC (Previously Division 15)

****************************************************************************************************
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.

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

The 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 "Specifier Notes" when editing this section.
****************************************************************************************************

PART 1   GENERAL

1.1	WORK INCLUDED

A.	Air measuring flow station with pressure transducer that outputs a signal proportional to CFM that can be used to position a damper (sold separately). An air measuring flow station is suitable for application in HVAC systems with velocities up to 3000 fpm (15.2 m/s) and temperatures as low as -20°F. 

1.2	RELATED WORK
********************************************************************************************
Specifier Notes: Edit the following list as required for the project.  List other sections with work directly related to the dampers. ********************************************************************************************

A.	Section 15810 – Ducts.

B.	Section 15900 – HVAC Instrumentation and Controls: Connections to actuators.

1.3	REFERENCES
********************************************************************************************
Specifier Notes: List standards referenced in this section, complete with designations and titles.  This article does not require compliance with standards, but is merely a listing of those used. ********************************************************************************************

A.	AMCA 500-D – Laboratory Methods for Testing Dampers for Ratings.

B.	AMCA 511 – Certified Ratings Program for Air Control Devices.

C.	IECC - International Energy Conservation Code

D.	ASHRAE Standard 62 - Ventilation for Acceptable Indoor Air Quality

E.	California Title 24 - California's Energy Efficiency Standards for Residential & Non-residential Buildings 

1.4	SUBMITTALS

A.	Comply with requirements of Section 23330 – Submittal Procedures.

B.	Product Data: Submit manufacturer’s product data.
1.	Indicate materials, construction, and dimensions.
2.	Include a copy of Installation Instructions.

1.5	QUALITY ASSURANCE

A.	Product is subject to set periodic testing to assure performance is maintained.

1.6	DELIVERY, STORAGE, AND HANDLING

A.	Delivery: Deliver materials to site in manufacturer’s original, unopened containers and packaging, with labels clearly indicating manufacturer, material, and location of installation.

B.	Storage: Store materials in a dry area indoor, protected from damage, and in accordance with manufacturer’s instructions.

C.	Handling: Handle and lift dampers in accordance with manufacturer’s instructions.  Protect materials and finishes during handling and installation to prevent damage.

PART 2   PRODUCTS

2.1	MANUFACTURER

•	Greenheck, PO Box 410, Schofield, Wisconsin 54476-0410.  Phone (715)359-6171.  Fax (715)355-6458.  Web Site www.greenheck.com.

2.2	Air Measuring Control Damper

•	Model: AMS

•	Ratings
1.	Velocity: 
************************************************************************************
•	Air measuring flow station shall have a maximum velocity rating of 3000 fpm (15.2 m/s).

2.	Temperature:
************************************************************************************
•	Dampers shall have a temperature rating of: -20° F to 180° F (-29° C to 82° C). Consult factory for lower temperatures.

3.	Airflow Monitoring Accuracy:
************************************************************************************
•	Dampers airflow accuracy shall be within 5% of the reading.

C.	Construction:
1.	Frame: 
************************************************************************************
Specifier Note: The following requirements for frame construction provide for specific corner reinforcement.    
************************************************************************************
AMS frame shall be galvanized steel with a 16 ga. thickness.	

2.	Sleeve: 8 inch 20 gauge sleeve provided standard with air straightener
(16 or 14 gauge sleeve is available as an option).

3.	Optional Controller: Lon based programmable controller provides
•	0-10 VDC feedback for airflow, temperature, and positions of the blade
•	0-10 VDC for setpoints
•	2-10 VDC or 4-20 mAdc is available as an option.

4.	Optional Air straightener: Polycarbonate honeycomb material attached to sleeve.

5. 	Factory supplied 0-10 VDC pressure transducer is provided. 

6. 	Finish: Mill Galvanized finish is standard.

7.	Mounting: The AMS is suitable for horizontal airflow applications.

2.3	ACCESSORIES

A.	Optional Flanges:
********************************************************************************************
Specifier Notes: Flanged sleeve is available as upstream side, downstream side, or both	sides.
*******************************************************************************************
•	1-1/2 inches to 3 inches, rolled formed as part of the sleeve.

B.	Retaining Angle: 20 ga. 1-1/2 inches steel, shipped loose
•	2-sided
•	Single-side

C.	Controller:	
********************************************************************************************
Specifier Notes: Factory supplied controller may be added to convert the signal from the pressure transducer to cfm and control a field supplied damper.
*******************************************************************************************	
•	Analog

2.4	SOURCE QUALITY CONTROL

A.	No Factory Tests required. K & M variables are specific to each damper with a factory applied label.

PART 3   EXECUTION

3.1	EXAMINATION

A.	Examine areas to receive airflow measuring station.  Notify the Engineer of conditions that would adversely affect installation or subsequent utilization of airflow measuring station.  Do not proceed with installation until unsatisfactory conditions are corrected.

3.2	INSTALLATION

A.	Install airflow measuring station in accordance with manufacturer’s Installation Instructions.

B.	Airflow measuring station must be accessible to allow inspection, adjustment, and replacement of components.  The sheet metal contractor shall furnish any access doors in ductwork or plenums required to provide this access.  The general contractor shall furnish any access doors required in walls, ceilings, or other general building construction.  

C.	Install airflow measuring station square and free from racking. 

D.	Do not compress or stretch the airflow measuring station frame into the duct or opening.

E.	Handle airflow measuring station using the frame or sleeve.  Do not lift by tubes.

END OF SECTION