Instruction/ maintenance manual of the product LY8S*UH York
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TECHNICAL GUIDE MODELS: GY8S*UH / L Y8S*UH 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.
278436-YTG-A-0407 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.
278436-YTG-A-0407 Unitary Products Group 3 Nominal external static pressure is 0.50” w . c. at furnace outlet ahead of cooling co ils. Annual Fuel Utilizat ion Efficiency ( AFUE) numbers are determined in accordance with DOE T est procedures.
278436-YTG-A-0407 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 Bottom A irflow Dat a (SCFM) Ext.
278436-YTG-A-0407 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 . 4. Airflow through across motor side (right side) may be slightly less than th e data shown above.
278436-YTG-A-0407 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 .
278436-YTG-A-0407 Unitary Products Group 7 For additional connection diagrams for all UPG equipment refer to “Low Volt age System Wiring” document available online at www .
Subject to change without notice. Printe d in U.S.A. 278436-YTG-A-0407 Copyright © by York International Corp. 2007. All righ ts reserved. Supersedes: 246771-YTG-C-0706 Unitary 5005 Norman Products Y.
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