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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of York LY8S, 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.
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Unfortunately, only a few customers devote their time to read an instruction of York LY8S. 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.
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First and foremost, an user manual of York LY8S should contain:
- informations concerning technical data of York LY8S
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of York LY8S 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 York LY8S, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the York 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 York LY8S.
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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
TECHNICAL GUIDE MODELS: GY8S/L Y8S GAS-FIRED HIGH EFFICIENCY SINGLE ST AGE UPFLOW/HORIZONT AL FURNACES ST ANDARD & Lo w NOx NA TURAL GAS 40 - 130 MBH INPUT Due to continuous prod uct improvement, specific a- tions are subj ec t to ch a nge with out notice. Visit us on the web at www . york.com for the most up-to-date technical information. Addi[...]
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Page 2
036-21618-003 Rev. A (1205 ) 2 Unitary Products Group FRONT LEFT SIDE RIGHT SIDE B 20 40 A 28-1/2 3/4 14-3/4 5-3/8 (VENT CONNECTIONS) POWER WIRING 7/8” HOLE 2-1/2 ACCESS WIRING 7/8” K.O. 16 8-3/4 T’ST AT WIRING 7/8” K.O. 1-1/8 2-1/4 14 23-1/2 32-1/2 2 13-3/4 GAS INLET 1-1/4 x 2-1/2 26-3/4 1-3/8 1-1/4 C 20 5/8 5/8 B 24-3/4 BOTTOM IMAGE RETUR[...]
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Page 3
036-21618-003 Rev. A (1205) Unitary Products Group 3 Annual Fuel Utilizat ion Efficiency ( AFUE) numbers are determined in accordance with DOE T est procedures. Wire size and over current protection must comply wi th t he Na tional Electri cal Code (NFP A-70-latest edition) and all local code s. The furnace shall b e installed so that the electri c[...]
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Page 4
036-21618-003 Rev. A (1205 ) 4 Unitary Products Group NOTES 1. Airflow expressed in st andard cubic feet per minute (CFM). 2. Motor voltage at 1 15 V . BLOWER PERFORMANCE CFM - UPFLOW (WITHOUT FILTER) - B OTTOM RETURN Models Speed Single St age Bottom Airflow Data (SCFM) Ext. Static Pressure (in. H2O) 0.1 0.2 0.3 0. 4 0.5 0.6 0.7 0. 8 0.9 1.0 (G ,L[...]
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Page 5
036-21618-003 Rev. A (1205) Unitary Products Group 5 NOTES 1. Airflow expressed in st andard cubic feet per minute (CFM). 2. Return air is through si de opposite motor (lef t side). 3. Motor voltage at 1 15 V . BLOWER PERFORMANCE CFM - UPFLOW (WITHOUT FILTER) - LEF T SIDE RETUR N Models Speed Single St age Left Side Airflow Data (SCFM) Ext. St atic[...]
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Page 6
036-21618-003 Rev. A (1205 ) 6 Unitary Products Group HORIZONT AL SIDEW ALL VENTING For applications whe re vertical venting is not possible, the only approved method of horizontal venting is the use of an auxiliary power vent. Approved power venters are Fields Controls Model SWG-4Y or Tjernlund Mo del GP AK-JT . Fol- low all application and i nsta[...]
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Page 7
036-21618-003 Rev. A (1205) Unitary Products Group 7 For additional connecti on diagrams for all UPG equipment refe r to “Low V oltage System Wiring” document available online at www .upgnet.co m in the Product Catalog Section. Thermostat Chart AC1 Single Stage A/C w/Single Stage Furnace, 1 Stage Cooling Ready - (G,L)*8/9S, XYF80-U, XYF80-U*L, [...]
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Page 8
Subject to change without notice. Printed in U .S.A. 036-21618-003 Rev. A (1205) Copyright © by Unitary Products Gr oup 2005. All rights re served. Supersedes: 036-21618-002 Rev. A (1004) Unitary 5005 Norman Products York OK Group Drive 73069 APPL YING FIL TER PRESSURE DROP TO DETERMINE SYSTEM AIRFLOW T o determine the a pproximate airflow of the [...]