Chromalox PQ402-6 manual

1
2
3
4

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Chromalox PQ402-6, 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 PQ402-6 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 PQ402-6. 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 PQ402-6 should contain:
- informations concerning technical data of Chromalox PQ402-6
- name of the manufacturer and a year of construction of the Chromalox PQ402-6 item
- rules of operation, control and maintenance of the Chromalox PQ402-6 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 PQ402-6 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 PQ402-6, 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 PQ402-6.

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 PQ402-6 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

    PQ402-6 161-049460-001 FEBRUAR Y , 1999 4 CES SERVICE MANUAL (Supersedes PQ402-5) Chr omalox Electric Steam Boilers © 2010 Chromalox, Inc. Boiler does not heat: 1. Check power fusing. 2. Examine control circuit fuse. 3. Reset button on the Low W ater Control must be depressed (for states requiring a reset button). 4. Float valve in the Low W ater [...]

  • Page 2

    Boiler syphons water: 1. Follow blowdown instructions. Boiler with condensate system floods overnight: 1. V acuum breaker is not operating. Elements fail: 1. Low W ater Cut-Off system has failed. 2. Lower equalizer tube on Low W ater Cut-Off is clogged due to lack of blowdown. 3. Contactor points have fused. 4. Lack of blowdown has allowed accumula[...]

  • Page 3

    If the contactor fails to energize, check for blown fuses in the control circuit. If the fuses are not blown, check the contac- tor holding coil. The holding coil can be checked by jumpering T erminal L1 of the line and T erminal No. 4 (coil lead) on the contactor . See Figure 1. A. If the contactor fails to energize, then the coil is defective. B.[...]

  • Page 4

    2150 N. RULON WHITE BLVD., OGDEN, UT 84404 Phone: 1-800-368-2493 www.chromalox.com LOW W A TER CUT -OFF — Like the pressure control, difficul- ties can be broken down into the mechanical and electrical groups. The mechanical difficulties can be corrected on the high pres- sure 100 psig motor and pump units in the following manner: 1. Remove the c[...]