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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Carrier 48ES, 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 Carrier 48ES 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 Carrier 48ES. 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 Carrier 48ES should contain:
- informations concerning technical data of Carrier 48ES
- name of the manufacturer and a year of construction of the Carrier 48ES item
- rules of operation, control and maintenance of the Carrier 48ES 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 Carrier 48ES 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 Carrier 48ES, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Carrier 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 Carrier 48ES.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Carrier 48ES 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
® Turn to the Expertg Owner's Information Manual Fig. 1 - Unit 48ES A08438 NOTE TO EQUIPMENT OWNER: For your convenience, please record the model and serial numbers of your new equipment in the spaces )rovided. This information, along with the installation data and dealer contact information, will be helpful should your system require mainten[...]
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Page 2
SAFETY CONSIDERATIONS Improper installation, adjustment, alteration, service maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified instal[...]
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Page 3
()NIT INTRODUCTION This 48ES unit is a small packaged gas heat/electric cooling system that can utilize the comfort of gas heating packaged along with effi- cient electric air conditioning. This unit uses Puron ®, the ozone friendly refrigerant for cooling. Starting or Shutting Off Unit Note:Your combination heating/cooling unit is equipped with a[...]
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Page 4
OPERATING YOUR UNIT The operation of your unit is controlled by the indoor temperature control (thermostat). You simply adjust the thermostat and it main- tains the indoor temperature at the level you select. Most thermostats of heating and cooling systems have 3 controls: a temperature con- trol selector, a FAN control, and a SYSTEM or MODE contro[...]
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Page 5
Fans and Fan Motors Periodically check the condition of fan wheels and housings and fan motor shaft bearings. Contact your dealer for the required annual maintenance. Heat ExchanRer To ensure dependable and efficient heating operation, the heat ex- changer should be checked by a qualified maintenance person be- fore each heating season, and cleaned[...]
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Page 6
@ STEP1 STEP 6 MAIN ON_ OFF STEP8 STEP 4 STEP2 STEP 9 Fig. 4 - To Start Unit Gas Heat MAIN OF_ STEP3 STEP 5 m STEP 7 STEP10 A07662[...]
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Page 7
I @ STEP1 L_ STEP2 MAIN ON OFF STEP3 J STEP 4 E STEP 5 STEP 6 Fig. 5 - To Shut-off Unit Gas Heat A07663[...]
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Page 8
I STEP1 STEP2 MAIN ON OFF STEP3 STEP 4 f [ STEP 5 MAIN °il OFF STEP 6 STEP 7 STEP8 Fig. 6 - To Start Unit Electric Cooling A07796[...]
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Page 9
I STEP1 STEP2 Fig. 7 - To Shut-off Unit Electric Cooling BURNER FLAME Warranty Certificate MAINoN -[_ STEP3 A07797 BURNER Your unit has a limited warranty. Be sure to read the warranty care- fully to determine the coverage for your unit. Before you call for service... ...check for several easily-solved problems. MANIFOLD C99021 Fig. 8 - Monoport Bu[...]
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Page 10
® Turn to the Expertg: TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or classified section of your local telephone directory under the "Heating Equipment" or "Air Conditioning Contractors & Systems" heading for dealer listing by brand name. Have available the Model No., Series Letter, & Serial No. of yo[...]