A.O. Smith EQ / EQB manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of A.O. Smith EQ / EQB, 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 EQ / EQB 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 EQ / EQB. 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 EQ / EQB should contain:
- informations concerning technical data of A.O. Smith EQ / EQB
- name of the manufacturer and a year of construction of the A.O. Smith EQ / EQB item
- rules of operation, control and maintenance of the A.O. Smith EQ / EQB 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 EQ / EQB 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 EQ / EQB, 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 EQ / EQB.

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 EQ / EQB 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. EQ / EQB Gas-fi red residential / light commercial water heater EQ - 115/155/200/280/380 EQB - 115/155/200 Atmospheric water heater with thermal fl ue spillage protection and piezo ignition • Low noise level, suitable for installation in most locations • Ring base for easy installation and lower heat losses • Replacea[...]

  • Page 2

    EQ / EQB T echnical specifications EQ 115 EQ 155 EQ 200 EQ 280 EQ 380 EQB 115 EQB 155 EQB 200 Gas data natural gas 2H (G20) Input* kW 9.3 11.3 18.3 23.1 27.4 9.3 11.3 18.3 Output kW 7.4 9.0 14.0 16.0 19.2 7.4 9.0 14.0 Inlet pressure mbar 20 20 20 20 20 20 20 20 Burner pressure mbar 12.5 12.5 10.5 11.5 10.0 12.5 12.5 10.5 Gas consumption** m3/h 0.9[...]

  • Page 3

    EQ / EQB EQ / EQB Dimensions A 1280 1370 1600 1670 1585 1780 B 1120 1210 1440 1540 1450 1640 D 465 515 515 515 645 675 E 545 595 595 605 735 765 G 80 80 100 100 130 130 K 325 325 325 380 375 375 M 1180 1270 1500 1590 1505 1685 N 1180 1270 1500 1590 1505 1685 R 230 230 230 255 285 285 S 945 1030 1265 1380 1280 1460 1 Cold water 3/4 - 14 NPT (EQ 280:[...]

  • Page 4

    www .aosmithinternational.com Data subject to change INT/0808/EQ/02 T erms and conditions apply , please refer to our website. 1 Pressure reducing valve 3 T&P valve 4 Stop valve 5 Non-return valve 6 Circulation pump 9 Drain valve 10 Gas cock 11 Isolating valve 14 Hot water outlets 15 Expansion relief valve 16 Expansion vessel 17 Three way valve[...]