ENGINEERING UPDATES

Spring 2005 / Winter 2006 Engineering Newsletter (693.9 KB)
Variable Volume Laboratory Systems, an Overview, Moisture Transfer and Fungal Growth in Desiccant-Based Enthalpy Wheels, Fan and System Troubleshooting - A Guide to Characteristic Field Problems
Document Date: 2005-12-01

Fall 2004 / Winter 2005 Engineering Update (249.8 KB)
Multiple Fan Systems - Fans in Series and Parallel, Silica Gel Dessicant, Metric Conversion Factors for Fan Application Per AMCA Standard, What’s New at Greenheck
Document Date: 2005-01-01

Summer 2004 Engineering Update (480.6 KB)
Sound Criteria, Attenuation Techniques and Preventative Measures to Limit Sound Problems, Centrifugal Fan Arrangements, ASHRAE Standard Addendum 62y, Gauges and Weight Chart for Sheet Steel, Galvanized Steel, Stainless Steel, and Aluminium, What\'s New
Document Date: 2004-09-01

Spring 2004 Engineering Update (448.0 KB)
Radiated Sound, Energy Recovery Wheel Maintenance, Are Bearing Currents Causing Your Motor Failures?
Document Date: 2004-03-26

Fall 2003 Engineering Update (464.5 KB)
The Basics of Fan Sound, ARICertified vs. Non-Certified Performance Ratings of Energy Recovery Wheels. Spark Resistant Construction (SRC), What’s New at Greenheck
Document Date: 2003-12-08

July - October 2002 Engineering Update (173.1 KB)
Understanding the Development of Fan Sound Data and the Product Rating Process, The Importance of ARI Performance Certification for ERV, An Outline for Successful Fan Selection, What's New
Document Date: 2002-10-31

April - June 2002 Engineering Update (150.0 KB)
Actuators for Commercial HVAC Dampers, UL's New Fire Safety Requirements for Dampers, What's New
Document Date: 2002-06-01

January - March 2002 Engineering Update (152.9 KB)
Industrial Heating Equipment; Comparison and Evaluation; Temperature Conversion Table; What’s New
Document Date: 2002-03-01

October 2001 Engineering Update (180.6 KB)
Motor Application Guide for Ventilation Products; What’s New
Document Date: 2001-12-01

July 2001 Engineering Update (208.4 KB)
A Guide to Explosion Resistant Disconnect Switches for Ventilation Products; Fan Discharge and Throw Information; High Temperature Exhaust; Gaseous Carryover and Cross Leakage in Energy Recovery Wheels What's New
Document Date: 2001-09-01

April 2001 Engineering Update (216.3 KB)
New UL Test Standards for Life Safety Dampers; Performance Liquid Coatings for Ventilation Products; What's New: First to qualify Fire and Fire/Smoke Dampers to new UL Test Standards
Document Date: 2001-06-01

January 2001 Engineering Update (266.9 KB)
Balance, vibration, and vibration analysis, Fan Discharge and Throw, Gaseous Carryover and Cross Leakage in Energy Recovery Wheels
Document Date: 2001-01-01

October 2000 Engineering Update (210.1 KB)
Product Application Binder - new from Greenheck, Inlet Pressure Correction; Energy Recovery Ventilators: The Engineers Solution; Performance Powder Coatings for Ventilation Products; Technology Tools; What's New: Mixed Flow Fan Introduction.
Document Date: 2000-10-01

July 2000 Engineering Update (306.2 KB)
Bearings and Bearing Applications; Wind-driven Rain Testing for Louvers; Energy Recovery Ventilators - Stand Alone vs. Bolt-on Systems
Document Date: 2000-07-01

April 2000 Engineering Update (404.9 KB)
Understanding Fan System Effects; Fire Smoke Damper Control Options; Understanding Fan Bearings & Bearing Life; What's New: The GX Series, a totally new concept in grease extraction
Document Date: 2000-04-01

December 1999 Engineering Update (3.3 MB)
UL -Product Safety Certification in Air Movement and Control; Energy wheels vs.Plates; The Basics of Fan Performance Tables, Fan Curves, System Resistance Curves, and Fan Laws; What’s New: Model BDF duct blower, Energy Recovery Unit, MiniVent-450, Make-Up Air Unit, Model TSU
Document Date: 1999-12-01

September 1999 Engineering Update (1.8 MB)
Engineering Update -the First Edition; Why AMCA? Because you need the performance you specify; AMCA Licensed Dampers; Understanding Temperature and Altitude Corrections WinCAPS - it’s easier, faster, better; What's New: GK Series kitchen hoods, Energy Recovery product additions, Acoustical Louvers, Tube Axial new models, Series C product expansion
Document Date: 1999-10-01