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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Chromalox PK425-2, 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 Chromalox PK425-2 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 Chromalox PK425-2. 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 Chromalox PK425-2 should contain:
- informations concerning technical data of Chromalox PK425-2
- name of the manufacturer and a year of construction of the Chromalox PK425-2 item
- rules of operation, control and maintenance of the Chromalox PK425-2 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 Chromalox PK425-2 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 PK425-2, 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 PK425-2.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Chromalox PK425-2 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
(Supersedes PK425-1) PK425-2 ARR 161-562792-001 JANUAR Y , 1988 4 and Installation, Operation RENEWAL P ARTS IDENTIFICATION T ype ARR Inverse-Action Thermostat © 2010 Chromalox, Inc. Specifications – T able A Sensing Bulb with 7’ Standard Capillary T emperature Appro x. Max. Range Length A.C. Rating Model (°F) Style Dia.(In.) (In.) (Amps) ARR[...]
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Page 2
GENERAL NOTICE: T ype ARR Thermostats are designed for temperature control service only . Because they do not fail safe, they should not be used for temperature limiting duty . CAUTION: Users should install adequate back-up contr ols and safety devices with their electric heating equipment. Wher e the con- sequences of failur e may be sever e, back[...]
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Page 3
Thermometer Load (T ank, vat, die or platen) Pilot Light L T Models: A. Entrance for wiring is provided by two 3 / 4 ” NPT conduit holes in end of housing. W iring to control housing should be in moisture-resistant conduit. B. Remove cover by removing four hexhead screwbolts. (See Figure 8 and 9) 2. Connect wires according to wiring diagrams (Fig[...]
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Page 4
1347 HEIL QUAKER BL VD., LAVERGNE, TN 37086 Phone: (615) 793-3900 www .chromalox.com RENEW AL P AR TS IDENTIFICA TION 1 2 027-05748-001 Mounting Bracket 027-05748-001 Mounting Bracket 119-114623-003 Packing Gland 015-013696-002 Base 213-018509-002 Pilot Light 152-025660-004 Housing L T Models NEMA-I Models 152-010971-001 Cover 12 Model Dial Knob Th[...]