Greenheck WD-400 Series manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Greenheck WD-400 Series, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

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What should a perfect user manual contain?

First and foremost, an user manual of Greenheck WD-400 Series should contain:
- informations concerning technical data of Greenheck WD-400 Series
- name of the manufacturer and a year of construction of the Greenheck WD-400 Series item
- rules of operation, control and maintenance of the Greenheck WD-400 Series item
- safety signs and mark certificates which confirm compatibility with appropriate standards

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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Greenheck WD-400 Series alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Greenheck WD-400 Series, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Greenheck service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Greenheck WD-400 Series.

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It is mostly in the manuals where we will find the details concerning construction and possibility of the Greenheck WD-400 Series item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    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. Optional motor packs are not available. Ratings (See pa[...]

  • Page 2

    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 10.0 9.0 8.0 7.0 6.0 5.0 4.[...]

  • Page 3

    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 100 8 Up T o 32 32 Up Thru 50 Above 50 Up T o 64 8 Up T o 74 74 Up T o 148 Double Panel T wo Section 100 Above 100 Up T o 128 Single Panel T wo Section[...]

  • Page 4

    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 8 Up T o 32 32 Up T o 64 Above 74 Up T o 128 8 Up Thru 74 Above 74 Thru 148 T riple Panel One Section Double Panel T w o Section T riple Panel T w o [...]