Instruction/ maintenance manual of the product WD-400 Series Greenheck
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Application and Design The WD-400 series are non-motorized backdraft dampers which may be mounted either vertically for intake air or mounted horizontally to allow vertical airflow down and prevent r everse airflow . The dampers ar e opened by air pressur e differ ential and closed by springs.
1 2 3 4 5 6 7 8 9 1 0 20 30 40 50 60 70 80 90 100 150 Static Pressur e Differ ence (In. wg) Air Leakage in cfm/ft 2 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 8.5 8.0 7.0 6.0 5.0 4.0 3.0 2.0 V elocity (fpm) 1 x 10 Pr essure Loss ( in. wg) 2 3 4 5 6 7 8 9 10 x 100 2 3 4 5 6 7 8 9 10 x 1000 2 3 4 5 6 7 8 9 10 Start Open Full Open 10.
150 8 8 148 74 50 32 64 128 Double Panel One Section Single Panel T w o Section Single Panel One Section Double Panel T w o Section Double Panel Three Sectio n Width Height 128 Up T o 150 64 Up Thru 1.
148 8 8 148 74 74 32 64 128 Double Panel One Section Single Panel T wo Section Single Panel One Section Double Panel T w o Section Double Panel Three Sectio n Width Height 128 Up T o 148 64 Up Thru 74.
An important point after buying a device Greenheck WD-400 Series (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Greenheck WD-400 Series yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Greenheck WD-400 Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Greenheck WD-400 Series you will learn all the available features of the product, as well as information on its operation. The information that you get Greenheck WD-400 Series will certainly help you make a decision on the purchase.
If you already are a holder of Greenheck WD-400 Series, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Greenheck WD-400 Series.
However, one of the most important roles played by the user manual is to help in solving problems with Greenheck WD-400 Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Greenheck WD-400 Series along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
