York GY9 manual

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Table of contents for the manual

  • Page 1

    FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE TECHNICAL GUIDE MODELS: GY9 GAS-FIRED CONDENSING / HIGH EFFICIENCY DOWNFLOW/HORIZONT AL FURNACES 91% AFUE NA TURAL GAS 60 - 120 MBH INPUT EFFICIENCY RA TING CERTIFIED This product was manufactured in a plant whose quality system is certified/registered as being in conformity with IS[...]

  • Page 2

    2 Unitary Products Group 036-21560-001 Rev. A (0204 ) Three elbows (two in vent pipe and one in the air intake pi pe) are already accounted for and need not be included in the elbow count from the T able above. 28-1/2 26-1/2 24-5/8 40 A 26-1/2 25-3/8 C 19-1/4 1-1/4 1-1/4 21-5/8 29 21-7/8 1 1-11/16 18-1/2 7-1/2 29 21-15/16 21-9/16 18-1/2 9-1/8 8-1/2[...]

  • Page 3

    Unitary Products Group 3 036-21560-001 Rev. A (0204) NOTE: For high altitude conversion, an orifice ch ange may also be required. See Form 035-1446 0- 001 for application information. * Wire size and overcurrent protection must comply with the National Electric Code. NOTES: 1. For altitudes above 20 00 ft. reduce capacity 4% for each 1000 ft. above[...]

  • Page 4

    4 Unitary Products Group 036-21560-001 Rev. A (0204 ) 1. Airflow expressed in st andard cubic feet per mi nute (CFM) and in cubic met ers per minute (m 3 /min). 2. Motor voltage at 1 15 V . FIL TER PERFORMANCE The airflow capacity data published in the “Blower Perfor- mance” table listed above represents blower performance WITHOUT filters. T o [...]

  • Page 5

    Unitary Products Group 5 036-21560-001 Rev. A (0204) 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. Select the filte r type. 2. Determine the External Syst em S tatic Pressure (ESP) without the filter . 3. Select a filter pressure dro[...]

  • Page 6

    6 Unitary Products Group 036-21560-001 Rev. A (0204 ) FIELD INST ALLED ACCESSORIES - ELECTRICAL MODEL NO. DESCRIPTION 2ET03700324 THERMOST A T- Electronic Non-Programmable. One-stage Heat/Cool. Manual Changeover , Integral Subbase . System Switch: Cool-Off-Heat. Fan Switch: Auto-On. 2TH13700424 THERMOST A T - One- stage Heat. Deluxe 24V with Heat o[...]

  • Page 7

    Unitary Products Group 7 036-21560-001 Rev. A (0204) NOTES[...]

  • Page 8

    Subject to change without notice. Printed in U .S.A. 036-21560-001 Rev. A (0204) Copyright © by York International Corp. 2004. All righ ts reserved. Supersedes: Nothing Unitary 5005 Norman Products York OK Group Drive 73069[...]