Instruction/ maintenance manual of the product GY9S-UP York
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FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE TECHNICAL GUIDE MODELS: GY9S-UP GAS-FIRED CONDENSING / HIGH EFFICIENCY UPFLOW FURNACES 92% TO 94% AFUE NA TURAL GAS 40 - 135 MBH INPUT Due to continuou s produc t improv e m en t, specifications are subject to chan ge without notice .
2 Johnson Controls Unitary Products 277805-YTG-A-1106 30-7/8 21-1/2 13-7/8 7 11 7/8 23-3/4 7/8 28-1/2 26-1/2 24-5/8 A 40 26-1/2 25-3/8 28-3/8 21-1/2 11 8 26-3/4 1-1/2 1-1/4 C 24-3/8 20 5/8 5/8 B 24-7/16 2 D 1-1/2” GAS PIPE ENTRY 7/8” JUNCTION BOX HOLE T -ST AT WIRING 7/8” K.
Johnson Controls Unitary Produ cts 3 277805-YTG-A-1106 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 determine d in accordance with DOE T est procedures.
4 Johnson Controls Unitary Products 277805-YTG-A-1106 NOTES: 1. Airflow expressed in st andard cubic feet per minute (CFM). 2. Return air is through si de oppo site motor (left side) for one side return (worst case). 3. Airflows above 1800 CFM require either return from two sides or one side plus bott om.
Johnson Controls Unitary Produ cts 5 277805-YTG-A-1106 FIL TER PERFORMANC E The airflow capacity data published in the “Blower Perfor- mance” table listed above represents blower performance WITHOUT filters.
6 Johnson Controls Unitary Products 277805-YTG-A-1106 For additional connecti on diagrams for all UPG equipment refe r to “Low V oltage System Wiring” document available onl ine at www .
Johnson Controls Unitary Produ cts 7 277805-YTG-A-1106 APPL YING FIL TER PRESSURE DROP TO DETERMINE SYSTEM AIRFLOW T o determine the approximate a irf low of the unit with a filter in place, follow the steps below: 1.
Subject to change without notice. Printe d in U.S.A. 277805-YTG-A-1106 Copyright © by York International Corp. 2006. All righ ts reserved. Supersedes: 246716-YTG-B-0806 Unitary 5005 Norman Products Y.
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