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Goodman Mfg GCH9 manual

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Table of contents for the manual

  • Page 1

    C US ® RT6612019 Rev. 2 April 2010 GCH9 40" 95% Gas Furnace • Refer to Service Manual RS6610004 for installation, operation, and troubleshooting information. • All safety information must be followed as provided in the Service Manual. • Refer to the appropriate Parts Catalog for part number information. • Model numbers listed on page [...]

  • Page 2

    PRODUCT IDENTIFICA TION 2 Minior Revision B 3 Description Air Flow Direction KBTUH AFUE Major Revision Maximum CFM @ 0.5" ESP 3 : 1200 4 : 1600 5 : 2000 Cabinet Width The model and manufacturing number are used for positive identification of component parts used in manufacturing. Please use these numbers when requesting service or parts inform[...]

  • Page 3

    PRODUCT IDENTIFICA TION 3 G CH90453BXA* GCH90703BXA* GCH90704CXA* GCH90904CXA* GCH90905DXA* GCH91155DXA* The model and manufacturing number are used for positive identification of component parts used in manufacturing. Please use these numbers when requesting service or parts information. These models are Low NOx. The United States Environmental Pr[...]

  • Page 4

    4 PRODUCT DESIGN 3. Conversion kits for high altitude natural or propane gas operation are available. See High Altitude Derate chart for details. 4. Installer must supply the following gas line fittings, de- pending on which entrance is used: Left -- Two 90º Elbows, one close nipple, straight pipe. Right -- Straight pipe to reach gas valve. Access[...]

  • Page 5

    5 COMPONENT IDENTIFICA TION 1 Two-Stage Gas Valve 2 Gas Line Entrance (Alternate) 3 Pressure Switch(es) 4 Gas Manifold 5 Combustion Air Intake Connection 6 Hot Surface Igniter 7 Rollout Limit 8 Burners 9 Flame Sensor 1 0 Flue Pipe Connection 1 1 Flue Pipe 1 2 Primary Limit 1 3 Gas Line Entrance 1 4 Flue Pipe Connection (Alternate) 1 5 Rubber Elbow [...]

  • Page 6

    COMPONENT IDENTIFICA TION 6 GCH9*****XA* LOW VOLTAGE ELECTRI CAL HOLE 28 3/4 3/4 20 1/4 2 1/2 AIR IN TAKE PIPE 2" PVC LEFT SIDE DRAIN LINE HOLES DRAIN TRA P C L 28 5/16 11 1/2 9 13/16 15 1/2 UNFOLDED FLA NG ES 1 3/4 18 5/8 2 5/8 HIGH VOLTA GE ELECTRI C AL H O LE 20 5/32 AIR DISCHARGE LEFT S IDE VIEW 3/4 2 1/16 2 UNFOLDED FLAN G ES B DISCHARGE [...]

  • Page 7

    7 PRODUCT DESIGN GCH90453B X -.60 201973 11 -.60 20197311 GCH90703B X -.60 201973 11 -.60 20197311 GCH90704C X -.37 201973 13 -.37 20197313 GCH90904C X -.60 201973 11 -.60 20197311 GCH90905C X -.37 201973 13 -.37 20197313 GCH91155D X -.60 201973 11 -.60 20197311 PRESSURE SWIT CH TRIP POINTS AND USAGE CHART ID BL OWER PRESSURE SWITC H PART # Note: A[...]

  • Page 8

    8 PRODUCT DESIGN Part Number 10123518 10123 519 Open Settin g (°F) 170 160 GCH90453BX 2 GCH90703BX 2 GCH90704CX 2 GCH90904CX 2 GCH90905DX 2 GCH91155DX 2 AUXILIARY L IMIT SW ITCHES Part Number 10123517 10123534 Open Setting (°F) 210 220 GCH90453BX 1 GCH90703BX 2 GCH90704CX 2 GCH90904CX 2 GCH90905DX 2 GCH91155DX 2 ROLLOUT LIMIT SW ITCHES[...]

  • Page 9

    9 PRODUCT DESIGN Coil Matches: A large array of Amana ® brand coils are available for use with the GCH9 furnaces, in either counterflow or horizontal applications. These coils are available in both cased and uncased models (with the option of a field installed TXV expansion device). These 90%+ furnaces match up with the existing Amana ® brand coi[...]

  • Page 10

    10 PRODUCT DESIGN Thermost at s: NOTE: Complete lineup of thermostats can be found in the Thermostat Specification Sheets. Filters: Filters are required with this furnace and must be provided by the installer. The filters used must comply with UL900 or CAN/ULCS111 standards. Installing this furnace without filters will void the unit warranty. This [...]

  • Page 11

    11 PRODUCT DESIGN Dual $aver Configuration & Operation OFF ON Dual $aver Note: This furnace is designed to be us ed with a single-stage room thermosat. Star t Star t This furnace is capable fo the following heating m odes: • Single S tage (Factory S etting) • Modified Two-Stage > F ixed 5-Min. Low Stage > A uto Time (1-12 Min.) Low St[...]

  • Page 12

    FURNACE SPECIFICA TIONS 12 1. These furnaces are manufactured for natural gas operation. Optional kits are available for conversion to propane operation. 2. For elevations above 2000 feet the rating should be reduced by 4% for each 1000 feet above sea level. The furnace must not be derated, orifice changes should only be made if necessary for altit[...]

  • Page 13

    BLOWER PERFORMANCE SPECIFICA TIONS 13 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. 2. All furnaces ship as high speed cooling. Installer must adjust blower cooling speed as needed. 3. For most jobs, about 400 CFM per ton when cooling is desirable. 4 . INSTALLATION IS TO BE ADJU[...]

  • Page 14

    BLOWER PERFORMANCE SPECIFICA TIONS 14 30 40 50 60 70 80 90 110 12 0 100 130 140 150 10 0 90 80 70 60 50 40 30 20 10 OUTPUT BTU/HR x 10 00 BTU OUTPUT vs TEMPERAT URE RISE CHART TE M PER AT UR E R I SE 600 CFM 700 900 1000 1100 1200 1400 1600 1800 2000 2200 2400 CFM FORM ULAS BT U OUTP UT = CF M x 1 .08 x RISE RISE = BTU OUTPUT 1.08 ÷ CFM 800[...]

  • Page 15

    15 WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. HIGH VOL T A GE! DISCONNECT ALL POWER BEFORE SERVICING OR INS T A LLING THIS UNIT . MUL TIPL E POW ER SOUR CES MA Y BE P RESENT . F AI LURE T O DO SO MA Y CAUS E PROPERTY DAM AGE, PERSO NAL INJUR Y OR DEA TH . R Y L Y E L L[...]

  • Page 16

    16 WIRING DIAGRAMS Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. GCH9*****XAC HIGH VOL T A GE! DISCONNECT ALL POWER BEFORE SERVICING OR INS T A LLING THIS UNIT . MUL TIPL E POW ER SOUR CES MA Y BE P RESENT . F AI LURE T O DO SO MA Y CAUS E PROPERTY DAM AGE, PERSO NAL INJUR Y OR DEA TH . [...]