Goodman GMS8 Installation & Operating Instructions Manual
Gas fired warm air furnace single stage
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Also See for GMS8:
- Installation & operating instructions manual (32 pages) ,
- Technical manual (17 pages) ,
- Product specifications (12 pages)
Table of Contents
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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.
I0-242
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.
2004 Goodman Manufacturing Company, L.P.
©
precedence.
®
C
US
5/04
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Table of Contents
Troubleshooting
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Summary of Contents for Goodman GMS8
- Page 1 ® / 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. ATTENTION INSTALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer.
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Page 2: Table Of Contents
Table of Contents I. Warnings ..................................3 ..............................4 WNER ............................. 4 NSTALLER ..........................4 RANSPORTATION AMAGE II. Safety ....................................4 ........................4 DDITIONAL AFETY ONSIDERATIONS (ESD) P ....................5 LECTROSTATIC ISCHARGE RECAUTIONS III. Product Application ............................... 5 IV. Location Requirements and Considerations ....................... 6 ................................. -
Page 3: Warnings
Table of Contents XII. Start-up Procedure and Adjustment ......................... 21 ............................21 URNACE PERATION ............................21 URNACE TART ............................21 URNACE HUTDOWN ......................22 UPPLY RESSURE EASUREMENT ................. 22 ANIFOLD RESSURE EASUREMENT AND DJUSTMENT ) ..................22 NPUT EASUREMENT ATURAL ............................ -
Page 4: Ii. Safety
NSTALLER WARNING Before installing this unit, please read this manual thoroughly to familiarize yourself with specific items which must be adhered to, HOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, TURN including but not limited to: unit maximum external static pressure, OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE BEFORE gas pressures, BTU input rating, proper electrical connections, TURNING OFF THE ELECTRICAL SUPPLY. -
Page 5: Iii. Product Application
following the discharge process in step 2. Use caution not WARNING 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 HIS PRODUCT CONTAINS OR PRODUCES A CHEMICAL OR CHEMICALS WHICH step 2 before touching control or wires. -
Page 6: Iv. Location Requirements And Considerations
National Fire Protection Association • Provisions must be made for venting combustion products 1 Batterymarch Park outdoors through a proper venting system. The length of Quincy, MA 02269 flue pipe could be a limiting factor in locating the furnace. • Ensure adequate combustion air is available for the furnace. CSA International Improper or insufficient combustion air can expose building 8501 East Pleasant Valley... -
Page 7: Clearances And Accessibility
installations over any combustible material including wood. Refer to subbase instructions for installation details. Follow PROVIDE 8" MINMUM CLEARANCE BETWEEN CENTER ROD AND FURNACE CABINET the instructions with the subbase for proper installation. Do TO ALLOW FOR CIRCULATOR BLOWER REMOVAL not install the furnace directly on carpeting, tile, or other 3/8"... -
Page 8: Combustion And Ventilation Air Requirements
The following information on air for combustion and ventilation is HERMOSTAT OCATION reproduced from the National Fuel Gas Code NFPA 54/ANSI In an area having good air circulation, locate the thermostat about Z223.1 Section 5.3. five feet high on a vibration-free inside wall. Do not install the thermostat where it may be influenced by any of the following: 5.3.1 General: •... - Page 9 considered in making this determination. Each opening shall Chimney or Gas Vent have a minimum free area of 1 square inch per 1,000 BTU Ventilation louvers per hour of the total input rating of all gas utilization (each end of attic) NOTE: The inlet and outlet air equipment in the confined space, but not less than 100 openings must each have a free...
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Page 10: Category I Venting (Vertical Venting)
5. One permanent opening may be permitted, provided the The minimum vent diameter for the Category I venting system is equipment has clearances of at least 1” from the sides as shown below: and back and 6” from the front. The opening shall MINIMUM VENT communicate directly with the outdoors and must be MODEL... -
Page 11: Masonry Chimneys
10. Reconnect the draft blower power leads, flue pipe, and HECKLIST UMMARY pressure switch tubing. Make sure that all wires and the This checklist serves as a summary of the items to be checked pressure switch tubing are at least one inch from the flue before venting an 80+ furnace into a masonry chimney. -
Page 12: Check 4 - Debris In Cleanout
2 - A addition, the chimney must terminate at least 3 feet above any HECK NY SOLID OR LIQUID FUEL APPLIANCES VENTED forced air inlet located within 10 feet. The chimney must extend at INTO THIS CHIMNEY CHANNEL least five feet above the highest connected equipment draft hood Solid fuel appliances include fireplaces, wood stoves, coal furnaces, outlet or flue collar. -
Page 13: Check 6 - Dilution Air
Flexible liners should be hung straight or nearly straight. If it is If, in the judgment of the local gas utility, installer, and/or local spiraled in the chimney and in good condition, it should be rehung. codes; one or more of the above factors is likely to present a To do this, break the top seal;... -
Page 14: Electrical Connections
If a flexible liner is to be used, it must be made of the proper WARNING materials: • For most residential applications, an aluminum liner should O AVOID INJURY, ELECTRICAL SHOCK OR DEATH, DISCONNECT ELECTRICAL be acceptable. POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING. •... -
Page 15: Junction Box Relocation
Strictly follow the wiring guidelines in the fossil fuel kit installation WARNING instructions. All furnace connections must be made to the furnace two-stage integrated control module and the FURNACE terminal strip on the fossil fuel control board. O AVOID THE RISK OF INJURY, ELECTRICAL SHOCK OR DEATH, THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR, UNCTION ELOCATION... -
Page 16: Gas Supply And Piping
• Wrap the “R” leg around a clip-on amp meter 10 times. is closed. To connect 24 VAC hum, connect 24vac line of humidifier to piggyback on the pressure switch. The com • Energize the furnace in the heat mode. side of the humidfier to C on the terminal strip on the control •... -
Page 17: High Altitude Derate
At all altitudes, the manifold pressure must be within 0.3 inches Input = 3,600,000 / 52.6 w.c. of that listed in the Product Data Book applicable to your Input = 68,400 Btu/h 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 ETER INUTES AND... -
Page 18: Gas Piping Connections
Contact your distributor for a tabular listing of appropriate • Install a manual shutoff valve between the gas meter and manufacturer’s kits for propane gas and/or high altitude installations. unit within six feet of the unit. If a union is installed, the The indicated kits must be used to insure safe and proper furnace union must be downstream of the manual shutoff valve, operation. -
Page 19: Counterflow Installations
gas supplier about installing a gas detecting warning system. If OUNTERFLOW NSTALLATIONS the presence of gas is suspected, follow the instructions on Page When the gas piping enters through the left side of the furnace, the 4 of this manual. installer must supply a straight pipe to reach the exterior of the furnace. -
Page 20: Circulating Air And Filters
Sizing Between Single or Second Stage Regulator and Appliance* ILTERS ECTION EFORE NSTALLING Maximum Propane Capacities Listed are Based on 1/2" W.C. pressure drop at 11" W.C. setting. ETURN UCTWORK Capacities in 1,000 BTU/hour. Pipe or Nominal Pipe Size Filters must be used with this furnace. Discuss filter maintenance Tubing Tubing Size, O.D. -
Page 21: Sequence Of Operation (Integrated Ignition Control)
XI. SEQUENCE OF OPERATION ( NOTE: An interlock switch prevents furnace operation if the blower INTEGRATED IGNITION CONTROL) door is not in place. Keep the blower access doors in place except for inspection and maintenance. Refer to Timing Charts for sequencing. URNACE TART OWER... -
Page 22: G S P M
6. Turn OFF any unnecessary gas appliances started in step UPPLY RESSURE EASUREMENT CAUTION ANIFOLD RESSURE EASUREMENT AND DJUSTMENT O PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE, THE INLET o p e r a t i n g . GAS SUPPLY PRESSURE MUST BE AS SPECIFIED ON THE UNIT RATING PLATE WITH ALL OTHER HOUSEHOLD GAS FIRED APPLIANCES OPERATING. -
Page 23: Temperture Rise
4. Calculate the furnace input in BTUs per hour (BTU/ hr). Input Decrease blower speed to increase temperature rise. Refer equals the sum of the installation’s gas heating value and a to the following section for speed changing details. conversion factor (hours to seconds) divided by the number IRCULATOR LOWER PEED... -
Page 24: Xiii. Operational Checks
XIII. OPERATIONAL CHECKS • The induced draft blower to be de-energized after a fifteen second postpurge, and • The circulator blower to remain energized continuously until WARNING limit control resets. 3. Remove the return air blockage to clear overheating O AVOID PERSONAL INJURY OR DEATH, DO NOT REMOVE ANY INTERNAL condition. -
Page 25: Flame Sensor
flue products) through the heat exchanger via pressure taps located 3. Manual thermostat cycle. Lower the thermostat so that on the induced draft blower. These switches guard against there is no longer a call for heat for 0 -20 seconds then insufficient airflow (combustion air and flue products) through the reset to previous setting. -
Page 26: Before Leaving An Installation
Become familiar with filter location and procedures for removal, URNERS cleaning and replacing them. If help is needed, contact the installer of the furnace or a qualified servicer. WARNING ILTER EMOVAL O PREVENT PERSONAL INJURY OR DEATH, DO NOT REMOVE ANY INTERNAL Depending on the installation, differing filter arrangements can be COMPARTMENT COVERS OR ATTEMPT ANY ADJUSTMENT. -
Page 27: Troubleshooting Charts
Troubleshooting Chart Associated Symptoms of Abnormal Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code • Furnace fails to operate. • No 115 volt power to • Manual disconnect switch • Assure 115 and 24 volt • Turn power OFF NONE furnace, or no 24 OFF, door switch open, or... -
Page 28: Troubleshooting Chart
Troubleshooting Chart Associated Symptoms of Abnormal Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code • Circulator blower runs • Primary limit • Check filters and • Turn power OFF • Insufficient conditioned air continuously. No furnace circuit is open. -
Page 29: Wiring Diagram
Wiring Diagram T O 1 1 5 V A C / 1 / 6 0 H Z P O W E R S U P P L Y W I T H O V E R C U R R E N T P R O T E C T I O N D E V I C E 115V XFMR... - Page 30 Visit our website at www.goodmanmfg.com or www.amana-hac.com for information on: • Products • Warranties • Customer Services • Parts • Contractor Programs and Training • Financing Options Goodman Manufacturing Company, L.P. 2550 North Loop West, Suite 400, Houston, TX 77092 www.goodmanmfg.com 2004 Goodman Manufacturing Company, L.P. © IO-242 5/04...