Goodman GMS95 Installation Instructions Manual
Goodman GMS95 Installation Instructions Manual

Goodman GMS95 Installation Instructions Manual

Goodman gms95 gas-fired warm air furnace
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G
(Type FSP CATEGORY IV Direct or Non Direct Vent Air Furnace)
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation to know the product better than the customer. This includes all safety
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 than
Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer
Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of specific good safety
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 precedence.
IO-277C
GMS95
-F
W
AS
IRED
I
NSTALLATION
Installer: Affix all manuals adjacent to the unit.
These furnaces comply with requirements
embodied in the American National Stan-
dard / National Standard of Canada ANSI
Z21.47·CSA-2.3 Gas Fired Central Fur-
naces.
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
precautions and related items.
when the unit is in operation.
*NOTE: Please contact your distributor or our
website for the applicable product data book
referred to in this manual.
Goodman Manufacturing Company, L.P.
2550 North Loop West, Suite 400, Houston, TX 77092
www.goodmanmfg.com
2005-2006 Goodman Manufacturing Company, L.P.
©
A
ARM
IR
I
NSTRUCTIONS
in its safe use.
practices...follow them.
F
URNACE
®
C
US
07/06

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Summary of Contents for Goodman GMS95

  • Page 1 *NOTE: Please contact your distributor or our website for the applicable product data book referred to in this manual. Goodman Manufacturing Company, L.P. 2550 North Loop West, Suite 400, Houston, TX 77092 www.goodmanmfg.com IO-277C 2005-2006 Goodman Manufacturing Company, L.P. 07/06 ©...
  • Page 2: Table Of Contents

    Table of Contents I. Component Identification ............................... 5 II. Safety ....................................6 (ESD) P ....................6 LECTROSTATIC ISCHARGE RECAUTIONS III. Product Application ..............................6 IV. Location Requirements & Considerations......................... 7 ................................. 7 ENERAL ........................... 8 LEARANCES AND CCESSIBILITY ............................8 URNACE USPENSION ..........................
  • Page 3 Table of Contents XIV. Startup Procedure & Adjustment ..........................27 ..........................27 NTICIPATOR ETTING ............................27 RAIN RIMING ............................27 URNACE OPERATION ......................27 UPPLY RESSURE EASUREMENT .................. 28 ANIFOLD RESSURE EASUREMENT AND DJUSTMENT ) ..................29 NPUT EASUREMENT ATURAL ............................
  • Page 4 WNER WARNING It is important that you fill out the owner’s registration card and mail it today. This will assist us in contacting you should any service or F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A warranty information change in the future. When filling in the regis- FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL tration card, be sure to include the model, manufacturing, and serial INJURY OR LOSS OF LIFE.
  • Page 5: Component Identification

    I. CO I. CO I. CO I. CO I. COMPO MPONENT ID NENT ID NENT ID NENT ID NENT IDENTIFI ENTIFI ENTIFI ENTIFIC C C C C A A A A A TI ENTIFI TIO O O O O N N N N N Upflow/Horizontal Counterflow/Horizontal Gas Valve...
  • Page 6: Ii. Safety

    II. SAFETY II. SAFETY II. SAFETY II. SAFETY II. SAFETY 4. Discharge your body to ground before removing a new control from its container. Follow steps 1 through 3 if Please adhere to the following warnings and cautions when in- installing the control on a furnace.
  • Page 7: Location Requirements & Considerations

    NOTE: Do not connect the temporary duct directly to the IV. LOC . LOC . LOC . LOC . LOCA A A A A TI TIO O O O O N REQUIREMENTS & CO N REQUIREMENTS & CO N REQUIREMENTS & CO N REQUIREMENTS &...
  • Page 8: Clearances And Accessibility

    halogen type refrigerants must be within 12 inches of the bottom of the confined space. In a typical construction, the clearance between the door and door frame cleaning solutions (such as perchloroethylene) is usually adequate to satisfy this ventilation requirement. printing inks paint removers URNACE...
  • Page 9: Thermostat Location

    Refer to the latest edition of the National Fuel Gas Code NFPA 54/ g. If improper venting is observed during any of the above tests, the common venting system must be corrected. ANSI Z223.1 (Section 5.3), or CSA B149 Installation Codes (Sec- tions 7.2, 7.3, or 7.4), or applicable provisions of the local building Corrections must be in accordance with the latest edition of the codes for determining the combustion air requirements for the...
  • Page 10 ing shall have a minimum free area of 1 square inch per 1,000 BTU 2. When communicating with the outdoors through vertical ducts, per hour of the total input rating of all gas utilization equipment in each opening shall have a minimum free area of 1 square inch per the confined space, but not less than 100 square inches.
  • Page 11: Installation Positions

    VII. HO VII. HO VII. HORIZO VII. HO VII. HO RIZO RIZO RIZONT RIZO NTAL APPLI AL APPLI AL APPLI AL APPLI AL APPLIC C C C C A A A A A TI TIO O O O O NS & CO NS &...
  • Page 12: Drain Pan

    This furnace is shipped from the factory configured for natural gas ALTERNATE FLUE AND ALTERNATE FLUE AND DISCHARGE Bottom COMBUSTION AIR PIPE COMBUSTION AIR PIPE at standard altitude. Propane gas installations require an orifice Return LOCATIONS LOCATIONS Duct change to compensate for the energy content difference between Connection natural and propane gas.
  • Page 13: Dual Certification : Non -Direct /Direct Vent

    ERTIFICATION IRECT IRECT ERMINATION OCATIONS This furnace is dual certified and may be installed as a non-direct NOTES: Refer to Section IV, Location Requirements and vent (single pipe) or direct vent (dual pipe) appliance. A non-direct Considerations for combustion air contaminant restrictions. vent installation requires only a vent/flue pipe, while a direct vent installation requires both a vent/flue pipe and a combustion air The following bullets and diagram describe the restrictions con-...
  • Page 14: Canadian Venting Requirements

    OMBUSTION ANADIAN ENTING EQUIREMENTS IRECT NSTALLATIONS In Canada, venting must conform to the requirements of the cur- On upflow units secure the combustion air intake pipe directly to rent CAN/CSA-B149 Installation Code. Use only CSA listed two or the air intake coupling. On counterflow units secure the combus- three inch diameter PVC or ABS pipe, solvent cement, and fittings tion air intake pipe to the air intake coupling using the rubber cou- throughout.
  • Page 15 2. Upflow and Counterflow units. REMOVE REMOVE REMOVE Loosen the worm gear hose clamps on the rubber elbow REMOVE 4 SCREWS PIPE PIPE 4 SCREWS and detach it from both the induced draft blower and the REMOVE vent/flue pipe. 3 SCREWS 3.
  • Page 16: Non -Direct Vent (Single Pipe ) Piping

    Counterflow units. Vent (Single Pipe) Piping - Vent/Flue Pipe Terminations for spe- cific details on termination construction. Remove plastic plug from alternate combustion air intake Although non-direct vent installations do not require a combus- location. Relocate and install plug in standard air intake tion air intake pipe, a minimum of one 90°...
  • Page 17: Direct Vent (Dual Pipe ) Piping

    For details concerning connection of pipes to the furnace, refer to the Section IX, Vent/Flue Pipe and Combustion Pipe - Standard Furnace Connections or Alternate Furnace Connections. 12 " Min To Roof Or LUE AND OMBUSTION ENGTHS AND IAMETERS Highest Anticipated Snow Level Refer to the following table for applicable length, elbows, and pipe diameter for construction of the vent/flue and combustion air intake...
  • Page 18: Vent /Intake Terminations For Installation Of Multiple Direct Vent Furnaces

    Horizontal terminations should be as shown in the following fig- ure. Refer to Section IX, Vent/Flue Pipe and Combustion Pipe - Termination Location for location restrictions. A 2 3/8 inch diameter wall penetration is required for 2” diameter pipe while a 3 1/2 inch diameter hole is required for 3”...
  • Page 19: Upright Installations

    In upright installations, the furnace’s drain hoses may exit either RIGHT SIDE PANEL the right or left side of the furnace. NOTE: If the alternate vent/flue RUBBER outlet is utilized in an upright installation, the drain trap and drain ELBOW connections must be located on the same side as the alternate RUBBER ELBOW DRAIN PORT...
  • Page 20: Horizontal Installations

    Make connections as follows: LTERNATE RAIN ONNECTIONS 1. Remove the rubber plug from the coil front cover drain port. Upright installations using the alternate vent/flue outlet will require Counterflow furnaces “right-side only” drain hoses to be connected as follows. Refer to Relocate the front cover pressure switch hose connection Section IX, Vent/Flue Pipe and Combustion Air Pipe for details on from the left side pressure tap to the right (down) side tap.
  • Page 21: Xi. Electrical Connections

    CAUTION INDUCED DRAFT BLOWER ABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. DRAIN PORT IRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION. HOSE B ERIFY PROPER OPERATION AFTER SERVICING. FRONT HOSE A COVER IRING ARNESS PRESSURE The wiring harness is an integral part of this furnace. Field alter- GREEN HOSE ation to comply with electrical codes should not be required.
  • Page 22: Volt Thermostat Wiring

    The accessory load specifications are as follows: Humidifier 1.0 Amp maximum at 120 VAC Electronic Air Cleaner 1.0 Amp maximum at 120 VAC ALTERNATE STANDARD Turn OFF power to the furnace before installing any accessories. JUNCTION BOX JUNCTION BOX Follow the humidifier or air cleaner manufacturers’ instructions for LOCATION LOCATION locating, mounting, grounding, and controlling these accessories.
  • Page 23: General

    minimum gas supply pressure must be maintained to prevent IPING ONNECTIONS unreliable ignition. The maximum must not be exceeded to pre- vent unit overfiring. ENERAL Inlet Gas Supply Pressure CAUTION Natural Gas Minimum:5.0" W.C. Maximum :10.0" W.C. Propane Gas Minimum:11.0" W.C. Maximum :13.0" W.C. O AVOID POSSIBLE UNSATISFACTORY OPERATION OR EQUIPMENT DAMAGE DUE TO UNDERFIRING OF EQUIPMENT, USE THE PROPER SIZE OF LTITUDE...
  • Page 24 locations. In order to seal the grommet cabinet • Always use a back-up wrench when making the connection penetration, rigid pipe must be used to reach the to the gas valve to keep it from turning. The orientation of outside of the cabinet. A semi-rigid connector to the the gas valve on the manifold must be maintained as gas piping may be used from there.
  • Page 25: Propane Gas Tanks And Piping

    CAUTION All propane gas equipment must conform to the safety standards of the National Board of Fire Underwriters, NBFU Manual 58. DGES OF SHEET METAL HOLES MAY BE SHARP. SE GLOVES AS A For satisfactory operation, propane gas pressure must be 11 inch w.c.
  • Page 26: Circulating Air & Filters

    XIII. CIR XIII. CIR CULA A A A A TIN G AIR & FIL G AIR & FIL TERS S S S S XIII. CIR XIII. CIR XIII. CIRCUL TING AIR & FIL G AIR & FIL G AIR & FILTER air duct.
  • Page 27: Horizontal Installations

    6. Wait five minutes then smell for gas. Be sure to check near FILTER the floor as some types of gas are heavier than air. ACCESS DOOR 7. If you smell gas after five minutes, immediately follow the instructions on page 4 of this manual. If you do not smell gas after five minutes, move the furnace gas valve manual AIR FLOW RETURN...
  • Page 28: Gas Manifold Pressure Measurement And Adjustment

    2. Using 3/32 hex wrench, loosen inlet pressure tap screw Gas Line one turn. 3. Connect a 5/16 inch hose and calibrated water manometer Shutoff to the gas valve inlet pressure tap. The hose should overlap Valve the tap by 3/8 inch. 4.
  • Page 29: Gas Input Rate Measurement (Natural Gas Only )

    disconnect manometer. Conversion Factor (hours to seconds): 3600 sec/hr 9. Reinstall gas valve outlet pressure tap plug before turning Input = (Htg. value x 3600) ÷ seconds per cubic foot on gas to furnace. Input = (1,000 BTU/ft x 3600 sec/hr) ÷ 34 sec/ ft 36G22 G Input = 106,000 BTU/hr HITE...
  • Page 30: Normal Sequence Of Operation

    pressure (E.S.P.), for the proper selection of heating and cooling • R and W thermostat contacts open, completing the call for speeds. The cooling blower speed is shipped set on HIGH, and heat. the heating blower speed is set as indicated in the Product Data •...
  • Page 31: Xvii. Safety Circuit Description

    XVIII. TROUBLESHOOTING XVIII. TROUBLESHOOTING XVIII. TROUBLESHOOTING XVIII. TROUBLESHOOTING XVIII. TROUBLESHOOTING (ESD) P LECTROSTATIC ISCHARGE RECAUTIONS NOTE: Discharge body’s static electricity before touching unit. An electrostatic discharge can adversely affect electrical components. Check the burner flames for: Use the following precautions during furnace installation and ser- 1.
  • Page 32: Maintenance

    XIX. MAINTENANCE XIX. MAINTENANCE XIX. MAINTENANCE XIX. MAINTENANCE XIX. MAINTENANCE 2. Remove filter(s) from the central return register or ductwork. 3. Replace filter(s) by reversing the procedure for removal. 4. Turn ON electrical power to furnace. WARNING EDIA ILTER OR LECTRONIC LEANER EMOVAL...
  • Page 33: Internal Filter Removal

    X X X X X XI. BEFO XI. BEFO XI. BEFO RE LEA RE LEA G AN INST G AN INST ALLA A A A A TI TIO O O O O N N N N N in and out several times to obtain sufficient cleaning. Repeat XI.
  • Page 35: Troubleshooting Chart

    Troubleshooting Chart Associated Associated Symptoms of Abnormal Fault Description(s) Possible Causes Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code LED Code • Furnace fails to operate. NONE • No 115 volt power to • Manual disconnect switch •...
  • Page 36 Troubleshooting Chart Associated Symptoms of Abnormal Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code • Circulator blower runs • Primary or auxiliary • Check primary/ • Turn power OFF • Insufficient conditioned air continuously. No furnace limit circuit is open.
  • Page 37 CONTROL MODULE C IR C U L A TO R B LO W E R Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring. © 2005-2006 Goodman Manufacturing Company, L.P.

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