Instruction/ maintenance manual of the product GMH95 Goodman
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C US ® RT6612018 Rev. 5 April 2010 GMH95 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.
PRODUCT IDENTIFICA TION 2 Minior Revision A 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.
PRODUCT IDENTIFICA TION 3 GMH950453BXA* GMH950703BXA* GMH950704CXA* GMH950904CXA* GMH950905DXA* GMH951155DXA* 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.
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.
5 COMPONENT IDENTIFICA TION Upflow/Horizontal 1 Gas Valve 2 Gas Line Entrance (Alternate) 3 Pressure Switch 4 Gas Manifold 5 Combustion Air Intake Connection / “Coupling” 6 Hot Surface Igniter 7 R.
COMPONENT IDENTIFICA TION 6 GMH95*****XA* Cabinet Size A B C D E 13-5/ 8 17-1/ 2 20-7/ 8 All d imensions ar e in inches. 24-1/ 2 12-1/ 8 16 19-3/ 8 12-1 5/16 15-1 5/16 20-7/16 GMH950453B XA* GMH950703.
7 PRODUCT DESIGN TRIP POIN T COIL COVER PRESSURE SWITCH COIL C OVER PRESSURE SWITCH PART # TRIP POI NT ID BLOWER PRESSURE SWITCH ID B LOWER PRESSURE SWITCH PART # TR IP POI NT COIL C OVER PRESSURE SWITCH TRIP POI NT ID BLOWER PRESSURE SWITCH HIGH ALTITUDE KIT GM H950453BXA* -1.
8 PRODUCT DESIGN P ar t N u mb er 10123514 o r 10123533 O pe n S e t ting (° F ) 200 G M H 950453B XA * 1 G M H 950703B XA * 2 G M H 950704C XA * 2 G M H 950904C XA * 2 G M H 950905D XA * 2 G M H 951.
9 PRODUCT DESIGN Coil Matches: A large array of Amana ® brand coils are available for use with the GMH95 furnaces, in either upflow or horizontal applica- tions. These coils are available in both cased and uncased models (with the option of a field installed TXV expansion device).
10 PRODUCT DESIGN 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 furnace has provisions for the installation of return air filters at the side and/or bottom return.
FURNACE SPECIFICA TIONS 11 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.
BLOWER PERFORMANCE SPECIFICA TIONS 12 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furn ace requires two return filters, this chart assumes both filters are installed. 2. All furnaces ship as high speed cooling and medium-speed heating.
BLOWER PERFORMANCE SPECIFICA TIONS 13 30 40 50 60 70 80 90 110 12 0 100 13 0 140 150 100 90 80 70 60 50 40 30 20 10 OUTPUT BTU/H R x 1000 BTU OUTPUT vs T EMPERAT UR E RISE CHART T EM PER AT U R E R IS E 600 CFM 700 900 1000 1100 1200 1400 1600 1800 2000 2200 2400 CFM FORMULAS BTU OUTPU T = CFM x 1 .
14 WIRING DIAGRAMS Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring. GMH95[0453,0704,0905]*XAB GMH95[0703,0904,1 155]*XAC HIGH VOL T A GE! DISCONNECT ALL POWER BEFORE SERVICING OR INS T ALLIN G THIS UNIT .
15 WIRING DIAGRAMS Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring. GMH95[0453,0704,0905]*XAC GMH95[0703,0904,1 155]*XAD R YL YELLO W OR O RA.
An important point after buying a device Goodman GMH95 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Goodman GMH95 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Goodman GMH95 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Goodman GMH95 you will learn all the available features of the product, as well as information on its operation. The information that you get Goodman GMH95 will certainly help you make a decision on the purchase.
If you already are a holder of Goodman GMH95, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Goodman GMH95.
However, one of the most important roles played by the user manual is to help in solving problems with Goodman GMH95. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Goodman GMH95 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
