Go to page of
A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Emerson 50A55, 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 Emerson 50A55 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 Emerson 50A55. 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 Emerson 50A55 should contain:
- informations concerning technical data of Emerson 50A55
- name of the manufacturer and a year of construction of the Emerson 50A55 item
- rules of operation, control and maintenance of the Emerson 50A55 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 Emerson 50A55 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 Emerson 50A55, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Emerson 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 Emerson 50A55.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Emerson 50A55 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
INTEGRA TED FURNA CE CONTROL MODULE TROUBLESHOO TING GUIDE 50A55 INTEGRA TED FURNACE CONTR OL MODULE QualiedServiceman’s T roubleshootingGuide TROUBLESHOO TING PROCEDURE Ifthelightonthemoduleisoncontinuously ,thefaultislikelytobeinternaltothe module.T omakesure,interrup[...]
-
Page 2
Place thermostat fan s witch in the ON position. Return fa n switch to AU TO position. Indoor Blo we r Check Does indoor bl ow er r un at HEA T speed? YES YES NO NO YES NO YES NO YES NO Indoor blo wer fault. Repair or replace . Check operation. Is 24V present at control terminals G & C? Is 120V present at control terminals COOL & CIR NEUTRA[...]
-
Page 3
INTEGRA TED FURNA CE CONTROL MODULE TROUBLESHOO TING GUIDE Place thermostat system switch in cooling mode and fa n switch in AU TO position. Lo we r temperature selection lev er to call for a cooling cycle . R & Y contacts close. Return ther mostat to desired setting. With door switch closed, jumper control terminals R & Y. Cooling Cycle Ch[...]
-
Page 4
Inducer Draft Motor and Pressure Switch Check Is induced draft motor energized? YES YES NO Is diagnostic LED flashing 3 times? Call for heat. Thermostat contacts R & W close. Jumper pressure switch. Disconnect electric po we r at fuse or circuit breaker . Is pressure switch welded closed? Correct blocked or incorrectly installed vent. Check ope[...]
-
Page 5
Main Burner Ignition Check. Inducer ON. Does ignitor wa rm up and glow? YES YES NO NO Does bu r ner ignite? Tu rn power OFF to furnace. Unplug ignitor from wire harness . Connect voltmeter across ignitor wiring harness leads from control. Energize system. Tu rn manual knob to OFF position. Connect manometer to outlet pressure tap . Tu rn knob to ON[...]
-
Page 6
Flame Sensor Check Does main bu r ner remain lit? YES NO YES NO Is bl ow er at heat speed within 1 minute of bu r ner ignition? Does ignitor remain energized with flame present? De-energize system. Disconnect 12-pin connector . Connect ohmmeter from flame sensor pin FP to bu r ner GROUND . Replace sensor . Energize system. Check operation. NO Repla[...]