Goodman GDH8 Series Technical Manual
  1. Manuals
  2. Brands
  3. Goodman Manuals
  4. Furnace
  5. GDH8
  6. Technical manual

Goodman GDH8 Series Technical Manual

Gdh8 series 33-3/8" 80% gas furnace 80% afue, 2-stage (convertible), multi-speed, dedicated downflow
Hide thumbs Also See for GDH8 Series:
Table of Contents

Advertisement

Quick Links

See also: Instruction and Installation Manual
GDH8 33-3/8" 80% Gas Furnace
80% AFUE, 2-Stage (Convertible),
Multi-Speed, Dedicated Downflow
•
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.
®
US
C
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
TECHNICAL MANU AL
TECHNICAL MANU
TECHNICAL MANU
Copyright © 2011, 2013 Goodman Manufacturing
Company, L.P.
AL
AL
AL
AL
RT6621022r2
March 2013

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GDH8 Series and is the answer not in the manual?

Questions and answers

Related Manuals for Goodman GDH8 Series

Summary of Contents for Goodman GDH8 Series

  • Page 1 ® This manual is to be used by qualified, professionally trained HVAC technicians only. RT6621022r2 Goodman does not assume any responsibility for property damage or personal injury due to improper service procedures or services performed by an unqualified March 2013 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 PRODUCT IDENTIFICATION 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. GDH80403A*A* GDH80403A*B* GDH80603A*A* GDH80603A*B* GDH80804B*A* GDH80804B*B* GDH81005C*A* GDH81005C*B* *Models are available in Natural Gas and low NOx. The United States Environmental Protection Agency (“EPA”) has issued various regulations re- WARNING WARNING...

  • Page 4: Product Design

    PRODUCT DESIGN NFPA 54/ANSI Z223.1 - latest edition. In Canada, the fur- General Operation naces must be vented in accordance with the National Stan- The GDH8 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 GDH8 28” High Voltage Electrical Low Voltage Electrical Gas Inlet 33-3/8” NON-COMBUSTIBLE MODEL FLOOR BASE GDH80403A*** 12 1/2 SBT14 GDH80603A*** GDH80804B*** 17 1/2 SBT17 GDH81005C*** 19 1/2 SBT21 All dimensions are in inches.
  • Page 6 PRODUCT DESIGN GDH8***A* PRESSURE SWITCH PART OPENS* MODEL GDH80403A*A* B1370142 -0.60 GDH80603A*A* B1370158 -0.70 GDH80804B*A* B1370142 -0.60 GDH81005C*A* B1370158 -0.70 *Negative pressure readings are in inches of water column (in *w.c.) PRIMARY LIMIT Part Number 0130F00035 0130F00036 Open Setting (°F) GDH80403A*A* GDH80603A*A* GDH80804B*A*...
  • Page 7 PRODUCT DESIGN GDH8***B* PRESSU RE SWITCH PART OPENS* MODEL GDH80403A*B* B1370142 -0.60 GDH80603A*B* B1370142 -0.60 GDH80804B*B* B1370142 -0.60 GDH81005C*B* 0130F00042 -0.80 *Negative pressure readings are in inches of water column (in *w.c.) PRIMARY LIMIT Part Number 0130F00036 20162901 Open Setting (°F) GDH80403A*B* GDH80603A*B* GDH80804B*B*...
  • Page 8 GDH8 furnaces, in dedicated 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 Goodman ®...
  • 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 MINIMUM FILTER SIZES for DISPOSABLE FILTERS FURNACE INPUT FILTER SIZE...
  • Page 10 PRODUCT DESIGN Dual $aver Configuration & Operation Dual$aver This furnace is capable of the following heating modes: • Single Stage (Factory Setting) • Modified Two-Stage > Fixed 5-Min. Low Stage > Auto Time (1-12 Min.) Low Stage To change from the factor single-stage operation, adjust the dipswitches on the ignition control as follows: HEAT OFF SECOND...
  • Page 11 FURNACE SPECIFICATIONS GDH8***A* MODEL GDH80403A*A* GDH80603A*** GDH80804B*A* GDH81005C*A* 45,000 70,000 90,000 115,000 Btuh Input (US) High Fire Output (US) High Fire 36,000 56,000 72,000 92,000 A.F.U.E. Rated External Static (" w.c.) .20 - .50 .20 - .50 .20 - .50 .20 - .50 Temperature Rise (°F) 35-65...
  • Page 12 FURNACE SPECIFICATIONS GDH8***B* MODEL GDH80403 A*B* GDH80603A*B* GDH80804B*B* GDH81005C*B* Btuh Input (US) High Fire 40,000 60,000 80,000 100,000 Output (US) High Fire 32,000 48,000 64,000 80,000 A.F.U.E. Rated External Static (" w.c.) .20 - .50 .20 - .50 .20 - .50 .20 - .50 Temperature Rise (°F) 25-55...
  • Page 13 BLOWER PERFORMANCE SPECIFICATIONS GDH8***A* BLOWER PERFORMANCE (CFM & Temperature Rise vs. External Static Pressure) EXTERNAL STATIC PRESSURE (Inches Water Column) Tons AC Model Motor at 0.5" Speed CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM Hi gh 1 ,353 1,290...
  • Page 14 BLOWER PERFORMANCE SPECIFICATIONS GDH8***B* BLOWER PERFORMANCE (CFM & Temperature Rise vs. External Static Pressure) EXTERNAL STATIC PRESSURE (Inches Water Column) Tons AC Model Motor at 0.5" Speed CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM Hi gh 1 ,353 ----...
  • Page 15 BLOWER PERFORMANCE SPECIFICATIONS...

  • Page 16: Wiring Diagram

    WIRING DIAGRAM GDH8 WARNING:DISCONNECT POWER BEFORE INTEGRATED HUMIDIFIER CONTROL MODULE SERVICING.WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED. XFMR (6) GND (8) 24 VAC HUMIDIFIER MVC (9) VALVE MVH (12) MVL (2) ID BLOWER PRESSURE AUXILIARY SWITCH LIMIT CONTROLS PS (10) AUTO 5 MIN...
  • Page 17 SCHEMATICS 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.

This manual is also suitable for:

Gdh80403a*b seriesGdh80603a*b seriesGdh80804b*b seriesGdh81005c*b seriesGdh80403a*a seriesGdh80603a*a series ... Show all

Table of Contents