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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Emerson EC2-391, 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.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Emerson EC2-391 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Emerson EC2-391. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Emerson EC2-391 should contain:
- informations concerning technical data of Emerson EC2-391
- name of the manufacturer and a year of construction of the Emerson EC2-391 item
- rules of operation, control and maintenance of the Emerson EC2-391 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Emerson EC2-391 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 Emerson EC2-391, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Emerson 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 Emerson EC2-391.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Emerson EC2-391 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
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Page 1
EC2-391_65136_ EN_R01.doc Replacement for 00 1 / 4 PCN: 865 022 21.09.2007 EC2-391 Display Case and Coldroom Controller Operating Instructio ns GB Note: This document conta ins short fo rm instructions for experien ced users. Use last column in List of Parameters to document your individual settings. More detailed information can be found in t he U[...]
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Page 2
EC2-391_65136_ EN_R01.doc Replacement for 00 2 / 4 PCN: 865 022 21.09.2007 EC2-391 Display Case and Coldroom Controller Operating Instructio ns GB Recommended Sensor Positions in Detail: (1) ECN-Pxx coil-in temperature sensor: Position on the first return bend of the evaporator. ( 2) ECN-Pxx coil-out temperature sensor: Position directly after the [...]
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Page 3
EC2-391_65136_ EN_R01.doc Replacement for 00 3 / 4 PCN: 865 022 21.09.2007 EC2-391 Display Case and Coldroom Controller Operating Instructio ns GB List of Parame ters / DISPLAY PARAMETERS Min Max Unit Def. Custom /1 Value to show 0 9 - 0 0 = Thermostat control temperature with Te mp. alignment °C 1 = Air-in temperature °C 2 = Air-out temperature [...]
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Page 4
EC2-391_65136_ EN_R01.doc Replacement for 00 4 / 4 PCN: 865 022 21.09.2007 EC2-391 Display Case and Coldroom Controller Operating Instructio ns GB Formula for Mean Factor s A0, r8, r9 Temperature calculation by the following fo rmula: Temperature = Air in * (1 - Mean Factor / 100) + Air out * Mean Factor / 100 Examples: Mean factor = 0 , Temperatur[...]