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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Precisionaire Pak XDH, 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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First and foremost, an user manual of Precisionaire Pak XDH should contain:
- informations concerning technical data of Precisionaire Pak XDH
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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 Precisionaire Pak XDH 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 Precisionaire Pak XDH, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Precisionaire 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 Precisionaire Pak XDH.
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Table of contents for the manual
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Page 1
Important Features • Semi rigid pocket filter • Extra high dust holding capacity • Dual stage gradient density electrostatic media • Low initial pressure drop provides long life • Wide range of depths and face sizes • Linear stitching for optimum pocket form • Three ASHRAE efficiencies: 65%, 85%, 95% • Pocket perimeter ultrasonicall[...]
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Page 2
85% XDH Synthetic Media Filters MERV 13 Nominal Number Nom. Nom. Media 375 fpm 500 fpm 625 fpm Depth of Width Height Area (inch) Pockets (Inch) (Inch) (sq. ft.) cfm pd cfm pd cfm pd 12 12 24 24 52 1500 0.29 2000 0.40 2500 0.64 12 6 12 24 26 750 0.29 1000 0.40 1250 0.64 22 6 24 24 48 1500 0.26 2000 0.37 2500 0.51 22 3 12 24 24 750 0.26 1000 0.37 125[...]
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Page 3
65% XDH Synthetic Media Filters MERV 11 Nominal Number Nom. Nom. Media 375 fpm 500 fpm 625 fpm Depth of Width Height Area (inch) Pockets (Inch) (Inch) (sq. ft.) cfm pd cfm pd cfm pd 12 12 24 24 52 1500 0.28 2000 0.37 2500 0.62 12 6 12 24 26 750 0.28 1000 0.37 1250 0.62 22 6 24 24 48 1500 0.25 2000 0.35 2500 0.48 22 3 12 24 24 750 0.25 1000 0.35 125[...]
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Page 4
Application Guidelines Precision Pak XDH filters should be selected using 24” x 12” and 24” x 24” face sizes. This allows for 12” increments in height and width of the filter bank and insures that replacement filters will be readily avail- able. Precision Pak XDH filters should be installed with pockets vertical wherever possible. It is a[...]