Goodman Mfg GMS8, GDS8, GHS8 instruction manual Table of Contents

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Table of Contents

 

I. Warnings

3

TO THE OWNER

4

TO THE INSTALLER

4

TRANSPORTATION DAMAGE

4

II. Safety

4

ADDITIONAL SAFETY CONSIDERATIONS

4

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS

5

III. Product Application

5

IV. Location Requirements and Considerations

6

GENERAL

6

CLEARANCES AND ACCESSIBILITY

7

FURNACE SUSPENSION

7

EXISTING FURNACE REMOVAL

7

THERMOSTAT LOCATION

7

V. Combustion and Ventilation Air Requirements

8

VI. Category I Venting (Vertical Venting)

10

VENTING

10

VII. Masonry Chimneys

11

CHECKLIST SUMMARY

11

CHECK 1 - PROPER CHIMNEY TERMINATION

11

CHECK 2 - ANY SOLID OR LIQUID FUEL APPLIANCES VENTED INTO THIS CHIMNEY CHANNEL

12

CHECK 3 - CHIMNEY CROWN CONDITION

12

CHECK 4 - DEBRIS IN CLEANOUT

12

CHECK 5 - LINER CONDITION

12

CHECK 6 - DILUTION AIR

13

CHECK 7 - COMPLETE THE INSTALLATION

13

FIX 1 - LINER TERMINATION

13

FIX 2 -CHANGEVENTING ARRANGEMENTS

13

FIX 3 - REBUILD THE CROWN

13

FIX 4 - RELINING

13

VIII. Electrical Connections

14

WIRING HARNESS

14

115 VOLT LINE CONNECTIONS

14

FOSSIL FUIEL APPLICATIONS

14

JUNCTION BOX RELOCATION

14

24 VOLT THERMOSTAT WIRING

15

115 VOLT LINE CONNECTION OF ACCESSORIES (HUMIDIFIER AND ELECTRONIC AIR CLEANER)

15

24 VAC HUM

16

TWINNING

16

IX. Gas Supply and Piping

17

GENERAL

17

HIGH ALTITUDE DERATE

17

PROPANE GAS CONVERSION

18

GAS PIPING CONNECTIONS

18

UPFLOW INSTALLATIONS

19

COUNTERFLOW INSTALLATIONS

19

GAS PIPING CHECKS

19

PROPANE GAS TANKS AND PIPING

19

PROPANE GAS PIPING CHARTS

20

X. Circulating Air and Filters

20

DUCTWORK-AIRFLOW

20

FILTERS - READ THIS SECTION BEFORE INSTALLING THE RETURN AIR DUCTWORK

20

CIRCULATION AIR FILTERS

20

UPRIGHT INSTALLATIONS

20

HORIZONTAL INSTALLATIONS

21

XI. Sequence of Operation (Integrated Ignition Control)

21

POWER UP

21

NORMAL HEATING SEQUENCE

21

CONSTANT FAN

21

IO-242C

2

05/05

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Contents Installation & Operating Table of Contents XV. Troubleshooting XII. Start-up Procedure and AdjustmentXIV. Safety Circuit Description XVI. MaintenanceHomeowner Notice II. SafetyTo the Installer To the OwnerNational Fire Protection Association III. Product ApplicationAmerican National Standards Institute CSA InternationalGeneral IV. Location Requirements and ConsiderationsNational Fire Protection Association, Inc Suspended Furnace Clearances and AccessibilityHorizontal Installation Existing Furnace RemovalEquipment Located in Unconfined Spaces Z223.1 Section GeneralThermostat Influences Space, Unconfined Equipment Located in Confined SpacesLouvers and Grilles Specially Engineered InstallationsVI. Category I Venting Vertical Venting Model Minimum VentUpflow Rotated Induced Draft Blower Checklist SummaryVII. Exterior Masonry Chimneys Category I Furnaces only 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 3 Chimney Crown Condition Check 4 Debris in CleanoutCheck 7 Complete the Installation Check 5 Liner ConditionFIX 3 Rebuild the Crown VIII. Electrical ConnectionsFIX 2 -CHANGE Venting Arrangements FIX 4 ReliningVolt Line Connections Wiring HarnessIntegrated Ignition Control Fossil Fuiel ApplicationsSetting the Heat Anticipator Typical Field Wiring 24 VAC Control CircuitVolt Thermostat Wiring Heating Heating/Cooling Room ThermostatHigh Altitude Derate IX. GAS Supply and PipingTwinning Firing Rate Pressure Switch Changes Furnace input Kbtu/hr904BNA does not require a switch change Propane GAS ConversionGAS Piping Connections General Upflow InstallationsGeneral Furnace Layout Propane GAS Piping Charts Propane Gas Installation TypCounterflow Installations 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 GAS Supply Pressure Measurement White-Rodgers Model 36G22Measuring Inlet Gas Pressure Alternate Method WHITE-RODGERS 36F22 GAS ValveGAS Manifold Pressure Measurement and Adjustment GAS Input Rate Measurement Natural GAS onlyXIII. Operational Checks Temperature Rise MeasurementAdjustment Switches Burner Flame XIV. Safety Circuit DescriptionXV. Troubleshooting XVI. Maintenance Upright Filter Removal Flame Sensor Qualified Servicer onlyIgniter Qualified Servicer only 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.