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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Chromalox NWH-185015, 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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Unfortunately, only a few customers devote their time to read an instruction of Chromalox NWH-185015. 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 Chromalox NWH-185015 should contain:
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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 Chromalox NWH-185015 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 Chromalox NWH-185015, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Chromalox 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 Chromalox NWH-185015.
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Table of contents for the manual
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Page 1
(Supersedes PE424) PE424-1 NWH 161-058005-001 APRIL, 1999 4 and Installation, Operation RENEWAL P ARTS IDENTIFICA TION INST ALLA TION GENERAL © 2010 Chromalox, Inc. T ype NWH-18 Cir culation Heater for W ater Heating (150 Pound Construction) WARNING: Hazard of Shock. Disconnect all power before installing heater. 1. Vertical Mounting (Preferred) ?[...]
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Page 2
Heater Model 240V 3 Phase Fig. 480V 3 Phase Fig. NWH-185015 1 2 NWH-187515 1 2 NWH-1810015 1 2 NWH-1812515 1 2 NWH-1815015 1 2 NWH-1817515 1 2 NWH-1820015 1 2 OPERA TION 1. Do not heat solutions that are corrosive to the heating element sheath or the heating chamber. WARNING: Type NWH Circulation Heaters are equipped with copper heating elements an[...]
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Page 3
RENEW AL P ARTS IDENTIFICA TION Note: When ordering parts for Model Numbers suffixed by “XX” or any other letter or letters not specifi- cally identified on this instruction sheet, order Renewal Parts on special order basis, giving name of part, part number, model number and description. Replacement Element Model Volts Phase kW Assembly NWH-185[...]
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Page 4
2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com TA - U0 - EF Litho in U.S.A. Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx.[...]