Goodman GDS8 Installation And Operating Instructions Manual
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Goodman GDS8 Installation And Operating Instructions Manual

Goodman GDS8 Installation And Operating Instructions Manual

Gas fired warm air furnace single stage
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See also: Technical Manual
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation to know the product better than the customer. This includes all
Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all
safety warnings. Often during installation or repair it is possible to place yourself in a position which is more hazardous
Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct a
Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of specific good
The precautions listed in this Installation Manual are intended as supplemental to existing practices. However, if there
is a direct conflict between existing practices and the content of this manual, the precautions listed here take
*NOTE: Please contact your distributor or our website for the applicable product data book referred to in this manual.
IO-242C
These furnaces comply with requirements
embodied in the American National Standard
/ National Standard of Canada ANSI
Z21.47·CSA-2.3 Gas Fired Central
Furnaces.
INSTALLATION & OPERATING
INSTRUCTIONS for
GMS8, GDS8 and GHS8
GAS FIRED WARM AIR FURNACE
SINGLE STAGE
(CATEGORY 1)
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
safety precautions and related items.
than when the unit is in operation.
customer in its safe use.
safety practices...follow them.
2005 Goodman Manufacturing Company, L.P.
©
precedence.
®
US
C
05/05

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  • Page 1 American National Standard / National Standard of Canada ANSI Z21.47·CSA-2.3 Gas Fired Central Furnaces. INSTRUCTIONS for GMS8, GDS8 and GHS8 SINGLE STAGE (CATEGORY 1) safety precautions and related items. than when the unit is in operation. customer in its safe use.

  • Page 2: Table Of Contents

    I. Warnings ... 3 ... 4 WNER ... 4 NSTALLER ... 4 RANSPORTATION AMAGE II. Safety ... 4 DDITIONAL AFETY ONSIDERATIONS (ESD) P LECTROSTATIC ISCHARGE III. Product Application ... 5 IV. Location Requirements and Considerations ... 6 ... 6 ENERAL LEARANCES AND CCESSIBILITY ...

  • Page 3: Warnings

    XII. Start-up Procedure and Adjustment ... 21 ... 21 URNACE PERATION ... 21 URNACE TART ... 21 URNACE HUTDOWN UPPLY RESSURE EASUREMENT 36G22 G HITE ODGERS ANIFOLD RESSURE EASUREMENT AND 36G22 G HITE ODGERS NPUT EASUREMENT ... 24 EMPERTURE IRCULATOR LOWER PEED DJUSTMENT...

  • Page 4: T O The Owner

    WARNING HOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, TURN OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE BEFORE TURNING OFF THE ELECTRICAL SUPPLY. CARBON MONOXIDE POISONING HAZARD Special Warning for Installation of Furnace or Air Handling Units in Enclosed Areas such as Garages, Utility Rooms or Parking Areas Carbon monoxide producing devices (such as an automobile, space heater, gas water heater, etc.) should not be operated in enclosed areas...

  • Page 5: Additional Safety Considerations

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

  • Page 6: Location Requirements And Considerations

    A copy of the CAN/CSA B149 Installation Codes can also be obtained from: CSA International 178 Rexdale Boulevard Etobicoke, Ontario, Canada M9W 1R3 The rated heating capacity of the furnace should be greater than or equal to the total heat loss of the area to be heated. The total heat loss should be calculated by an approved method or in accordance with “ASHRAE Guide”...

  • Page 7: Clearances And Accessibility

    Turn on clothes dryers and any appliance not connected to the venting system. Turn on any exhaust fans, such as range hoods and bathroom exhausts, so they shall operate at maximum speed. Do not operate a summer exhaust fan.

  • Page 8: Combustion And Ventilation Air Requirements

    Corrections must be in accordance with the latest edition of the National Fuel Gas Code NFPA 54/ANSI Z223.1 and/or CAN/CSA B149 Installation Codes. If resizing is required on any portion of the venting system, use the appropriate table in Appendix G in the latest edition of the National Fuel Gas Code ANSI Z223.1 and/or CAN/CSA B149 Installation Codes.
  • Page 9 Space, Unconfined. For purposes of this Code, a space whose volume is not less than 50 cubic feet per 1,000 BTU per hour of the aggregate input rating of all appliances installed in that space. Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors, are considered a part of the unconfined space.

  • Page 10: Category I Venting (Vertical Venting)

    4. When ducts are used, they shall be of the same cross- sectional area as the free area of the openings to which they connect. The minimum dimension of rectangular air ducts shall not be less than 3 inches. NOTE: The single opening must have a free area of not less than one square inch per 3000 BTU of the total input rating of all equip-...

  • Page 11: Venting

    Venting THIS FURNACE IS NOT DESIGN CERTIFIED TO BE HORIZONTALLY VENTED. Supply Air Upflow Rotated Induced Draft Blower To rotate the induced draft blwer counterclockwise, proceed as follows: 1. Disconnect electrical power from the furnace. 2. Disconnect the induced draft blower power leads, flue pipe, and pressure switch tubing.
  • Page 12 Proper Chimney Line, terminate with Termination? (Check 1) Chimney channel free of solid and liquid fuel appliances? (Check 2) Crown in good condition (Check 3) Cleanout free of debris? (Check 4) Liner in good condition? (Check 5) Dilution air available? (Check 6) Complete the installation.

  • Page 13: Masonry Chimneys

    3 - C HECK HIMNEY ROWN ONDITION Damage from condensate usually shows up first in the crown. If any of the following trouble signs are present, the condition of the crown is not satisfactory: a) Crown leaning b) Bricks missing c) Mortar missing d) Tile liner cracked e) No tile liner...

  • Page 14: Fix 2 -Change Venting Arrangements

    In some cases, a shorter extension above the roof may be possible with a liner than would be required with a masonry chimney. For further information on relining, see Fix 4. 2 -C HANGE VENTING ARRANGEMENTS If the masonry chimney has more than one channel, it may be possible to vent the gas appliances into one channel and vent the solid or liquid fuel appliance(s) into another channel(s).

  • Page 15: Wiring Harness

    CAUTION ABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. IRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION. ERIFY PROPER OPERATION AFTER SERVICING. WARNING O AVOID THE RISK OF INJURY, ELECTRICAL SHOCK OR DEATH, THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR, IN THEIR ABSENCE, WITH THE LATEST EDITION OF THE ODE.

  • Page 16: Volt Thermostat Wiring

    WARNING O AVOID THE RISK OF INJURY, ELECTRICAL SHOCK OR DEATH, THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR, IN THEIR ABSENCE, WITH THE LATEST EDITION OF THE ODE. To ensure proper unit grounding, the ground wire should run from the furnace ground screw located inside the furnace junction box all the way back to the electrical panel.

  • Page 17: Vac Hum

    Furnace 2 model for the fuel used. At all altitudes and with either fuel, the air temperature rise must be within the range listed on the furnace nameplate. Should this appliance be converted to LP, refer to the instructions included in the factory authorized LP conversion kit LPT* .

  • Page 18: Propane Gas Conversion

    The supply pressure must be measured with this and all other gas burning appliances in operation. The supply pressure must be adjusted to the pressure range stated on the series and rating plate. Applications for altitudes in excess of 4,500 feet usually require an orifice change.

  • Page 19: Gas Piping Connections

    This unit is configured for natural gas. The appropriate manufacturer’s propane gas conversion kit, must be applied for propane gas installations. Refer to the “Propane Gas and/or High Altitude Installations” section for details. Contact your distributor for a tabular listing of appropriate manufacturer’s kits for propane gas and/or high altitude installations.

  • Page 20: Counterflow Installations

    OUNTERFLOW NSTALLATIONS When the gas piping enters through the left side of the furnace, the installer must supply a straight pipe to reach the exterior of the furnace. A ground joint union, drip leg, and manual shutoff valve must also be supplied by the installer.

  • Page 21: Circulating Air And Filters

    Sizing Between First and Second Stage Regulator* Maximum Propane Capacities listed are based on 2 psig pressure drop at 10 psig setting. Capacities in 1,000 BTU/hour. Pipe or Tubing Size, O.D. Type L Tubing Length, 3/8" 1/2" 5/8" 3/4" 7/8" 1-1/8"...

  • Page 22: Normal Heating Sequence

    ORMAL EATING EQUENCE 1. Thermostat calls for heat . 2. The induced draft blower is energized. 3. The igniter is energized and is allowed to preheat. 4. The gas valve is energized delivering gas to the burners and starting combustion. 5.

  • Page 23: Gas Supply Pressure Measurement

    SHUT OFF GAS AND FIX ALL LEAKS IMMEDIATELY BEFORE PROCEEDING TO NEXT STEP! 6. Measure furnace gas supply pressure. Supply pressure must be within the range specified in the Inlet Gas Supply Pressure table. If supply pressure reading differs from the table, make necessary adjustments to pressure regulator, gas piping size, etc., and/or consult with local gas utility.

  • Page 24: Gas Manifold Pressure Measurement And Adjustment

    4. Measure gas manifold pressure with burners firing. Adjust manifold pressure according to the Manifold Gas Pressure table: Manifold Ga s Pre ssure Ga s Range Natural 3.2 - 3.8" w.c. Propane 9.7 - 10.3" w.c. 10.0" w.c. The final manifold pressure must not vary more than ± 0.3 “ w.c.

  • Page 25: Temperture Rise

    An incorrect temperature rise can cause condensing in or overheating of the heat exchanger. Determine and adjust the temperature rise as follows. The temperature rise must be within the range specified on the rating plate or Product Data Book applicable to your model*. HEAT EXCHANGER RADIATION "LINE OF SIGHT"...

  • Page 26: Auxiliary Limit Control

    C he ck the burner flam es for: 1. G ood adju stm ent 2. Stab le, soft and blu e 3. N ot curlin g, flo atin g, o r lifting off. Burner Flame UXILIARY IMIT ONTROL Auto reset limits are located on or near the blower. To access this auxiliary limit, disconnect the electrical power and remove the blower door.

  • Page 27: Diagnostic Chart

    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 uninstalled (ungrounded) furnaces.

  • Page 28: Upright Filter Removal

    PRIGHT ILTER EMOVAL To remove filters from an external filter rack in an upright upflow installation, follow the directions provided with external filter rack kit. Clean, wash and dry a permanent filter. When using a metal filter, both sides should be sprayed with a dust adhesive as recommended on adhesive container.

  • Page 29: Piping

    • See Product Data performance. Bulletin for • Check circulator allowable rise blower speed and range and proper performance. Correct circulator speed. speed or replace blower if necessary. • Replace induced draft • Turn power OFF blower pressure prior to repair.

  • Page 30: Wiring Diagram

    FLASHING continuously. steady on • LED is steady on LED Flash code will cease if power to the control module is interrupted through the disconnect or door switch. Applies to GMS8/GDS8/GHS8 Models only. IO-242C ROUBLESHOOTING Fault Description(s) Possible Causes • Primary limit •...
  • Page 31 Wiring Diagram for GMS8/GDS8/GHS8 115V XFMR IO-242C 05/05...
  • Page 32 NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE All of our systems are designed and manufactured with the same high quality standards regardless of size or efficiency. We have designed these units to significantly reduce the most frequent causes of product failure. They are simple to service and forgiving to operate.

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Ghs8Gms8

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