Goodman Mfg GMS8, GDS8, GHS8 III. Product Application, American National Standards Institute

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WARNING

TO PREVENT POSSIBLE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK, THE FURNACE MUST BE LOCATED TO PROTECT THE ELECTRICAL COMPONENTS FROM WATER.

WARNING

THIS UNIT MUST NOT BE USED AS A "CONSTRUCTION HEATER" DURING THE FINISHING PHASES OF CONSTRUCTION ON A NEW STRUCTURE. THIS TYPE OF USE MAY RESULT IN PREMATURE FAILURE OF THE UNIT DUE TO EXTREMELY LOW RETURN AIR TERMPERATURES AND EXPOSURE TO CORROSIVE OR VERY DIRTY ATMOSPHERES.

WARNING

HEATING UNIT SHOULD NOT BE UTILIZED WITHOUT REASONABLE, ROUTINE, INSPECTION, MAINTENANCE AND SUPERVISION. IF THE BUILIDNG IN WHICH ANY SUCH DEVICE IS LOCATED WILL BE VACANT, CARE SHOULD BE TAKEN THAT SUCH DEVICE IS ROUTINELY INSPECTED, MAINTAINED AND MONITORED. IN THE EVENT THAT THE BUILDING MAYBE EXPOSED TO FREEZING TEMPERATURES AND WILL BE VACANT, ALL WATER-BEARING PIPES SHOULD BE DRAINED, THE BUILDING SHOULD BE PROPERLY WINTERIZED, AND THE WATER SOURCE CLOSED. IN THE EVENT THAT THE BUILDING MAY BE EXPOSED TO FREEZING TEMPERATURES AND WILL BE VACANT, ANY HYDRONIC COIL UNITS SHOULD BE DRAINED AS WELL AND, IN SUCH CASE, ALTERNATIVE HEAT SOURCES SHOULD BE UTILIZED.

ADDITIONAL SAFETY CONSIDERATIONS

4.Discharge your body to ground before removing a new control from its container. Follow steps 1 through 3 if installing the control on a furnace. Return any old or new controls to their containers before touching any ungrounded object.

III. PRODUCT APPLICATION

This furnace is primarily designed for residential home-heating applications. It is NOT designed or certified for use in mobile homes, trailers or recreational vehicles. Neither is it designed or certified for outdoor applications. The furnace must be installed indoors (i.e., attic space, crawl space, or garage area provided the garage area is enclosed with an operating door).

This furnace can be used in the following non-industrial commercial applications:

Schools, Office buildings, Churches, Retail stores, Nursing homes, Hotels/motels, Common or office areas

In such applications , the furnace must be installed with the following stipulations:

•It must be installed per the installation instructions provided and per local and national codes.

•It must be installed indoors in a building constructed on site.

•It must be part of a ducted system and not used in a free air delivery application.

•It must not be used as a “make-up” air unit.

•All other warranty exclusions and restrictions apply.

To ensure proper installation and operation, thoroughly read this manual for specifics pertaining to the installation and application of this product.

•This furnace is approved for Category I Venting only.

•Provisions must be made for venting combustion products outdoors through a proper venting system. The length of flue pipe could be a limiting factor in locating the furnace.

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS

NOTE: Discharge body’s static electricity before touching unit. An electrostatic discharge can adversely affect electrical components.

Use the following precautions during furnace installation and servicing to protect the integrated control module from damage. By putting the furnace, the control, and the person at the same electrostatic potential, these steps will help avoid exposing the integrated control module to electrostatic discharge. This procedure is applicable to both installed and non-installed (ungrounded) furnaces.

1.Disconnect all power to the furnace. Do not touch the integrated control module or any wire connected to the control prior to discharging your body’s electrostatic charge to ground.

2.Firmly touch a clean, unpainted, metal surface of the furnaces near the control. Any tools held in a person’s hand during grounding will be discharged.

3.Service integrated control module or connecting wiring following the discharge process in step 2. Use caution not to recharge your body with static electricity; (i.e., do not move or shuffle your feet, do not touch ungrounded objects, etc.). If you come in contact with an ungrounded object, repeat step 2 before touching control or wires.

IO-242C

WARNING

POSSIBLE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH DUE TO FIRE, EXPLOSION, SMOKE, SOOT, CONDENSTAION, ELECTRICAL SHOCK OR CARBON MONOXIDE MAY RESULT FROM IMPROPER INSTALLATION, REPAIR, OPERATION, OR MAINTENANCE OF THIS PRODUCT.

WARNING

TO PREVENT PROPERTY DAMAGE, PERSONAL INJURY OR DEATH DUE TO FIRE, DO NOT INSTALL THIS FURNACE IN A MOBILE HOME, TRAILER, OR RECREATIONAL VEHICLE.

To ensure proper furnace operation, install, operate and maintain the furnace in accordance with these installation and operation instructions, all local building codes and ordinances. In their absence, follow the latest edition of the National Fuel Gas Code (NFPA 54/ANSI Z223.1), and/or CAN/CSA B149 Installation Codes, local plumbing or waste water codes, and other applicable codes.

A copy of the National Fuel Gas Code (NFPA 54/ANSI Z223.1) can be obtained from any of the following:

American National Standards Institute

1430 Broadway

New York, NY 10018

National Fire Protection Association

1 Batterymarch Park

Quincy, MA 02269

CSA International

8501 East Pleasant Valley

Cleveland, OH 44131

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Contents Installation & Operating Table of Contents XIV. Safety Circuit Description XII. Start-up Procedure and AdjustmentXV. Troubleshooting XVI. MaintenanceTo the Installer II. SafetyHomeowner Notice To the OwnerAmerican National Standards Institute III. Product ApplicationNational Fire Protection Association CSA InternationalGeneral IV. Location Requirements and ConsiderationsNational Fire Protection Association, Inc Horizontal Installation Clearances and AccessibilitySuspended Furnace Existing Furnace RemovalEquipment Located in Unconfined Spaces Z223.1 Section GeneralThermostat Influences Equipment Located in Confined Spaces Space, UnconfinedVI. Category I Venting Vertical Venting Specially Engineered InstallationsLouvers and Grilles Model Minimum VentVII. Exterior Masonry Chimneys Category I Furnaces only Checklist SummaryUpflow Rotated Induced Draft Blower Typical Multiple Flue Clay Tile ChimneyCheck 1 Proper Chimney Termination Termination 10 Feet Or Less From Ridge, Wall or ParapetTermination More Than 10 Feet From Ridge, Wall or Parapet Check 7 Complete the Installation Check 4 Debris in CleanoutCheck 3 Chimney Crown Condition Check 5 Liner ConditionFIX 2 -CHANGE Venting Arrangements VIII. Electrical ConnectionsFIX 3 Rebuild the Crown FIX 4 ReliningIntegrated Ignition Control Wiring HarnessVolt Line Connections Fossil Fuiel ApplicationsVolt Thermostat Wiring Typical Field Wiring 24 VAC Control CircuitSetting the Heat Anticipator Heating Heating/Cooling Room ThermostatHigh Altitude Derate IX. GAS Supply and PipingTwinning 904BNA does not require a switch change Pressure Switch Changes Furnace input Kbtu/hrFiring Rate Propane GAS ConversionGAS Piping Connections General Upflow InstallationsGeneral Furnace Layout Counterflow Installations Propane Gas Installation TypPropane GAS Piping Charts GAS Piping ChecksDuctwork Air Circulating AIR and FiltersXI. Sequence of Operation Integrated Ignition Control White-Rodgers Model 36G22 XII. START-UP Procedure and AdjustmentWhite-Rodgers Model 36F22 Measuring Inlet Gas Pressure Alternate Method White-Rodgers Model 36G22GAS Supply Pressure Measurement WHITE-RODGERS 36F22 GAS ValveGAS Input Rate Measurement Natural GAS only GAS Manifold Pressure Measurement and AdjustmentXIII. Operational Checks Temperature Rise MeasurementAdjustment Switches Burner Flame XIV. Safety Circuit DescriptionXV. Troubleshooting XVI. Maintenance Igniter Qualified Servicer only Flame Sensor Qualified Servicer onlyUpright Filter Removal Induced Draft and Circulator Blower MotorsTroubleshooting Chart Continuously Wiring Diagram for GMS8/GDS8/GHS8 Are Subject to Change Without Notice
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GMS8, GHS8, GDS8 specifications

Goodman Manufacturing, a well-reputed name in the HVAC industry, offers a comprehensive range of heating and cooling solutions. Among their notable products are the GDS8, GHS8, and GMS8 series, each designed to meet diverse customer needs while providing exceptional performance and energy efficiency.

The Goodman GDS8 gas furnace is known for its remarkable efficiency and reliability. Boasting an AFUE (Annual Fuel Utilization Efficiency) rating of up to 80%, the GDS8 converts a significant portion of fuel into usable heat, ensuring lower energy bills for homeowners. This model features a multi-speed blower motor that optimizes airflow, enhancing temperature consistency throughout the home, and reducing noise levels during operation. The GDS8 comes equipped with a durable heat exchanger crafted from high-quality steel, ensuring longevity and optimal heat transfer.

On the other hand, the GHS8 series represents Goodman’s commitment to high-efficiency heating. With an AFUE rating of up to 96%, the GHS8 is engineered for maximum performance. Its two-stage heating system allows for better temperature control, enabling the furnace to operate quietly and efficiently. Another standout feature is the ComfortBridge technology, which enhances the system’s ability to communicate and adapt to the home’s specific heating needs. This feature optimizes energy usage and increases comfort levels in any environment.

The Goodman GMS8 model is an exceptional choice for homeowners looking for a reliable gas furnace with a focus on energy efficiency. Similar to its counterparts, the GMS8 also delivers an AFUE of up to 96.5%. This unit features an advanced modulating gas valve that adjusts heating output based on the temperature requirements, creating a consistent and comfortable indoor climate. The GMS8 is also equipped with a high-efficiency ECM blower motor, which reduces energy consumption while improving airflow.

All three models feature Goodman’s quality construction, including a heavy-gauge cabinet that minimizes noise and enhances durability. They also are backed by Goodman’s limited lifetime warranty on the heat exchanger and a 10-year limited warranty on parts, providing customers with peace of mind regarding their investment. These furnaces are designed with efficiency and comfort in mind, making the GDS8, GHS8, and GMS8 ideal choices for homeowners looking to enhance their indoor environment while keeping energy costs in check.
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