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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 AHD 290, 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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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of A.O. Smith AHD 290 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 AHD 290. 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.
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First and foremost, an user manual of A.O. Smith AHD 290 should contain:
- informations concerning technical data of A.O. Smith AHD 290
- name of the manufacturer and a year of construction of the A.O. Smith AHD 290 item
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- 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 A.O. Smith AHD 290 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 AHD 290, 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 AHD 290.
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 AHD 290 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
Innovation has a name. AH AHD AHDS Air to water heat pump AH - 290 / AHD 290 / AHDS 290 Air to water heatpump • Storage capacity 285 liter • V ery high COP of 3,2 / 3,5 • Suitable for air temperatures between 0°C-35 °C (depending on the model) • Plug and play installation • Easy and user friendly control • Water temperature with the h[...]
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Page 2
AH(D)(DS) T echnical specifications Functioning parameters Minimum air temperature °C 8 0 - Maximum air temperature °C 35 35 - Air flow per hour m 3 280 280 - Max hot water temperature heatpump °C 55 55 - Max hot water temperature heatpump + electric element °C 65 65 - Electrical data Main electric connection 230(-15%/+10%)/50(+/- 1Hz) Motor [...]
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Page 3
AH(D)(DS) Installation diagrams A Cold water B Hot water C Return circulation 1 Pressure reducing valve 4 Stop valve 5 Non return valve 6 Circulation pump 9 Drain valve 11 Isolating valve 12 T emperature gauge 13 Condensate drain 14 Hot water outlets 15 Expansion relief valve 16 Expansion vessel 17 Three-way valve 18 Hot water tank 19 Float valve A[...]
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Page 4
Data subject to change INT/0808/AH/02 T erms and conditions apply, please refer to our website. AH(D)(DS) Electrical diagrams CONNECTIONS SOLAR CONTROLLER COMPONENTS A Controller B Fan C Compressor D Electric element E Ma gne t val ve ( sho rt or l ong c irc ui t) F Display (integrated in the control) G T emp era tur e se nso r ( T5 - s ola r c oil[...]