A.O. Smith DRE - 52/80/120 manual

1
2
3
4

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of A.O. Smith DRE - 52/80/120, 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 A.O. Smith DRE - 52/80/120 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 A.O. Smith DRE - 52/80/120. 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 A.O. Smith DRE - 52/80/120 should contain:
- informations concerning technical data of A.O. Smith DRE - 52/80/120
- name of the manufacturer and a year of construction of the A.O. Smith DRE - 52/80/120 item
- rules of operation, control and maintenance of the A.O. Smith DRE - 52/80/120 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 A.O. Smith DRE - 52/80/120 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 A.O. Smith DRE - 52/80/120, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the A.O. Smith 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 A.O. Smith DRE - 52/80/120.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the A.O. Smith DRE - 52/80/120 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

    Innovation has a name. DRE Electric commercial water heater DRE - 52/80/120 Three phase electric water heater , primarily for commercial applications•ThreetonineIncoloy-sheathedelementswitha maximumratingof54kW•Eachelementisindependently controlledviaitsowncontrolthermostat[...]

  • Page 2

    DRE T echnical specifications Electrical data Input kW 9 18 36 9 18 36 54 9 18 36 54 Current A 11-13 23-25 46-50 11-13 23-25 46-50 69-75 11-13 23-25 46-50 69-75 Elements - 3 3 6 3 3 6 9 3 3 6 9 Powersupply V AC/Hz     415/50  [...]

  • Page 3

    DRE Dimensions DRE Installation diagrams 1 Pressurereducingvalve 3 T&Pvalve 4 Stop valve 5 Non-returnvalve 6 Circulationpump 9 Drain valve 11 Isolating valve 14 Hot water outlets 15 Expansion relief valve 16 Expansion vessel 17 Threewayvalve 18 Water tank 19 Float valve A Coldwater [...]

  • Page 4

    www .aosmithinternational.com Data subject to change INT/0808/DRE/01 T erms and conditions apply , please refer to our website. A Main terminal B Solenoid D Overheat thermostat E Electric element H Float switch K Safety relay L Fuse M T ransformator 1 Black 2 Red 3 Blue 4 Brown 5 White For the parts numbers of components please refer to the “Main[...]