Goodman GDS8 Technical Manual
Goodman GDS8 Technical Manual

Goodman GDS8 Technical Manual

Gds8 & ghs8 series 33-3/8" 80% gas furnace units

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33-3/8" 80% Gas Furnace Units
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 3.
This manual is to be used by qualified, professionally trained HVAC technicians only.
Goodman does not assume any responsibility for property damage or personal injury
due to improper service procedures or services performed by an unqualified
person.
TECHNICAL MANU
TECHNICAL MANU AL
TECHNICAL MANU
TECHNICAL MANU
TECHNICAL MANU
GDS8 & GHS8
Copyright © 2009 Goodman Manufacturing Company, L.P.
Copyright © 2005-2007 Goodman Manufacturing Company, L.P.
AL
AL
AL
AL
RT6622011
September 2009

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Summary of Contents for Goodman GDS8

  • Page 1 Model numbers listed on page 3. RT6622011 This manual is to be used by qualified, professionally trained HVAC technicians only. Goodman does not assume any responsibility for property damage or personal injury September 2009 due to improper service procedures or services performed by an unqualified person.
  • Page 2: Product Identification

    Disconnect ALL power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death. Goodman will not be responsible Installation and repair of this unit WARNING WARNING...
  • Page 3 WARNING that is not design certified by damage, personal injury, or death, Goodman for use with this unit. do not store combustible materials or use gasoline or Serious property damage, personal injury, reduced unit other flammable liquids or vapors in the vicinity of this performance and/or hazardous conditions may result appliance.
  • Page 4: Product Design

    PRODUCT DESIGN General Operation NFPA 54/ANSI Z223.1 - latest edition. In Canada, the fur- naces must be vented in accordance with the National Stan- The G*S8 furnaces are equipped with an electronic ignition dard of Canada, CAN/CSA B149.1 and CAN/CSA B149.2 - device used to light the burners and an induced draft blower latest editions and amendments.
  • Page 5: Product Dimensions

    PRODUCT DIMENSIONS MODEL 14 1/2" 12 1/2" GHS80453AXC* 17 1/2" 16" GHS80704BXC* 21" 19 1/2" GHS80905CXC* MODEL GDS80453AXC* 14 1/2" 12 1/2" GDS80703AXC* 17 1/2" 16" GDS80904BXC* GDS81155CXC* 21" 19 1/2"...
  • Page 6: Primary Limit

    PRODUCT DESIGN GHS8 Pressure Switch Trip Points And Usage Chart Trip Point ID Blower ID Blower Pressure Model Pressure Switch Switch Part # GHS80453AXC* -0.80 0130F00042 GHS80704BXC* -0.70 B1370158 -0.70 B1370158 GHS80905CXC* For installations in Canada, the GHS furances are certified only to 4,500 ft. * Negative pressure readings are in inches of water column (*w.c.) PRIMARY LIMIT Part Number...
  • Page 7 PRODUCT DESIGN GDS8 Presssure Switches Model Part No. Opens* GDS80453AXC* B1370142 -0.60 GDS80703AXC* B137158 -0.70 GDS80904BXC* B1370142 -0.60 GDS81155CXC* B137158 -0.70 PRIMARY LIMIT Part Number 0130F00035 0130F00036 Open Setting (°F) GDS80453AXC* GDS80703AXC* GDS80904BXC* GDS81155CXC* ROLLOUT LIMIT SWITCHES AUXILIARY LIMIT SWITCHES...
  • Page 8 GHS8 furnaces, in horizontal applications and for the GDS8 for downflow applications. These coils are available in both cased and uncased models (with the option of a field installed TXV expansion device). These 80% furnaces match up with the existing Amana ®...
  • Page 9 PRODUCT DESIGN Thermostats: 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 Upflow Filters This furnace has provisions for the installation of return air filters at the side and/or bottom return.
  • Page 10 PRODUCT DESIGN Counterflow Filters This furnace has provisions for the installation of return air filters at the counterflow top return. The furnace will accommodate the following filter sizes depending on cabinet size: Counterflow Top Return Return Air Filter Size Dimension "A" Filter Area Optional Cabinet Width...
  • Page 11: Furnace Specifications

    FURNACE SPECIFICATIONS GDS8 MODEL GDS80453AXC* GDS80703AXC* GDS80904BXC* GDS81155CXC* 45,000 70,000 90,000 115,000 Btuh Input (US) High Fire 36,000 56,000 72,000 92,000 Output (US) High Fire A.F.U.E. Rated External Static (" w.c.) .20 - .50 .20 - .50 .20 - .50 .20 - .50...
  • Page 12 FURNACE SPECIFICATIONS GHS8 MODEL GHS80453AXC* GHS80704BXC* GHS80905CXC* 45,000 70,000 90,000 Input, Natural Gas (BTUH) 36,000 56,000 72,000 Output, Natural Gas (BTUH) Output, LP (BTUH) 32,000 48,000 64,000 80.0% 80.0% 80.0% A.F.U.E. Rated External Static (" w.c.) 0.20 - 0.50 0.20 - 0.50 0.20 - 0.50 Temperature Rise (°F) 15 - 45...
  • Page 13: Blower Performance Specifications

    BLOWER PERFORMANCE SPECIFICATIONS GHS8 BLOWER PERFORMANCE (CFM & Temperature Rise vs. External Static Pressure) Tons AC EXTERNAL STATIC PRESSURE (Inches Water Column) Model Motor at 0.5" Heating Speed Speed As Shipped CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM High 1,739 1,656...
  • Page 14 BLOWER PERFORMANCE SPECIFICATIONS GDS8 BLOWER PERFORMANCE (CFM & Temperature Rise vs. External Static Pressure) EXTERNAL STATIC PRESSURE (Inches Water Column) Tons AC Model Motor at 0.5" Heating Speed Speed As Shipped CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM...
  • Page 15 BLOWER PERFORMANCE SPECIFICATIONS...
  • Page 16: Wiring Diagrams

    WIRING DIAGRAMS G*S8 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.

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