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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Carrier P4, 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 P4 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 P4. 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 P4 should contain:
- informations concerning technical data of Carrier P4
- name of the manufacturer and a year of construction of the Carrier P4 item
- rules of operation, control and maintenance of the Carrier P4 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 P4 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 P4, 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 P4.
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 P4 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
Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53 480054-01 Printed in U .S .A. F orm 48P-1SO Pg 1 4-09 Replaces: Ne w User’ s Inf or mation Man ual NO TE T O INST ALLER: This manual should be left with the equipment owner . Y ou[...]
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Page 2
2 10. Using the scrolling marquee, enable the unit to run using the following procedure: a. Push the key unit a blank displ ay screen is shown. b. Push the key until the SER VICE TEST LED is lit. c. Push the key . The displa y will show ST OP . d. Push t he key again. The NO/YES display will flash. e. Push the or key to toggle the displ ay to NO an[...]
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Page 3
3 STEP 1 Fig. 2 — To Light Unit STEP 5 STEP 4 STEP 3 STEP 2 STEP 7 STEP 6 STEP 10 STEP 8 LOCK-OUT TA G ON OFF MAIN STEP 9 Run Status Service T est T emperature Pressures Setpoints Inputs Outputs Configuration Time Clock Operating Modes Alarms Alarm Status ENTER MODE ESCAPE Run Status Service T est T emperature Pressures Setpoints Inputs Outputs C[...]
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Page 4
4 T O SHUT UNIT OFF See Fig. 1 for location of gas valve(s). Refer to Fig. 3 while proceeding with the following steps. 1. T urn off the unit demand for cooling or heating by using the scrolling marquee. The scrolling marquee is located in the control box at the compressor end of the unit. a. Push the key unit a blank display screen is shown. b. Pu[...]
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Page 5
5 When replacing your unit filters, always use the same size and type of filter that was originally supplied by the installer . Units with outdoor air capability have a cleanable filter for the outdoor air . This filter should be checked annually and cleaned as necessary . Remove by removing screws in outdoor- air filter retainer and sliding filter[...]
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Page 6
6 PO WER EXHA U S T OPTION PO WER EXHA U S T A CCE SS DOOR (TYP BO TH S IDE S ) FIL TER A CCE SS DOOR AC C E SS DOOR S GA S S ECTION AC C E SS DOOR GA S BURNER S AIR HOOD S CONTROL BO X CONTROL BO X GA S S ECTION AC C E SS DOOR AC C E SS DOOR S PO WER EXHA U S T A CCE SS DOOR (TYP BO TH S IDE S ) GA S BURNER S AIR HOOD S FIL TER A CCE SS DOOR PO WE[...]
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Page 7
7 Fan a nd Belts — Periodically check the condition of fan wheels and housings and belt tens ion. When service is neces- sary , call your dealer . Evaporator -Fan Motor , Condenser -F an Motor and Comb ustion-F an Motor — Lubrication is not recommended. Bearings will not require lubrication for at least 5 years of normal operation. After 5 year[...]
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Page 8
Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No . 04-53480054-01 Printed in U .S.A. F or m 48P-1SO Pg 8 4-09 Replaces: Ne w Copy right 2009 Carrier Cor poration REGULAR DEALER MAINTENANCE In addition to the type of routine maintenance yo[...]