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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Chromalox PK413-4, 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 PK413-4 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 PK413-4. 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 PK413-4 should contain:
- informations concerning technical data of Chromalox PK413-4
- name of the manufacturer and a year of construction of the Chromalox PK413-4 item
- rules of operation, control and maintenance of the Chromalox PK413-4 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 PK413-4 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 PK413-4, 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 PK413-4.
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 PK413-4 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 PK413-3) PK413-4 AR 161-562791-001 SEPTEMBER, 1995 4 and Installation, Operation RENEWAL P ARTS IDENTIFICA TION T ype AR-EP Industrial Explosion-Resistant Thermostat © 2010 Chromalox, Inc. Specifications – T able A 2 / " 17 32 Length (Refer to Specifications — T able A) 2" O.D. T yp. Capillary 2 / " 21 32 4 / " [...]
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Page 2
GENERAL NOTICE: T ype AR-EP controls are designed for temperature con- trol service only . Because they do not fail safe, they should not be used for temperature limiting duty . W ARNING: Users should install adequate back-up controls and safety devices with their electric heating equipment. Where the consequences of failure may be severe, back-up [...]
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Page 3
1 2 3 4 1 2 3 4 Pilot Light Load Line Single Phase Pilot Light Load Line Single Phase 1 2 3 4 Pilot Light Line Load Load T wo Circuit 4. Remove white shaft coupler for safe-keeping while making wiring connections (see Figure 6). 5. Connect wires according to wiring diagrams (Figures 7 thru 1 1). Note: Electrical connections should be made with gene[...]
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Page 4
CALIBRA TION THERMOST A T SUB ASSEMBL Y REPLACEMENT DANGER: Calibration will involve exposure of inter- nal control terminals to ambient conditions during some part of the recalibration procedure. Combustible materials which cause hazardous conditions must not be present during recalibra- tion process — otherwise explosion may result. 1. Heat wat[...]
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Page 5
-5- RENEW AL P ARTS IDENTIFICA TION Thermostat Model Sub Assembly Control Knob AR-115EP 300-027566-001 169-019605-002 AR-115AEP 300-027566-014 169-019605-002 AR-115CEP 300-027566-012 169-019605-002 AR-214EP 300-027566-004 169-019604-001 AR-214DEP 300-027566-015 169-019604-001 AR-215EP 300-027566-009 169-019604-001 AR-215AEP 300-027566-007 169-01960[...]
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Page 6
1347 HEIL QUAKER BL VD., LAVERGNE, TN 37086 Phone: (615) 793-3900 www .chromalox.com Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at http://www .chromalox.com/customer-service/policies/termsofsale.aspx.[...]