TECHNICAL MANU TECHNICAL MANUAL
Contents
1. UPFLOW COOLING AIRFLOW REQUIREMENT CFM eno 1000 1200 1600 2000 64 672 76 0704 XA 564 5 8 CRY ERE esca ow m m 9 COUNTERFLOW COOLING AIRFLOW REQUIREMENT CFM Co vao o veo Torr Poor ore COOLING AIRFLOW REQUIREMENT CFM Co we sao vo fer or eedem om COUNTERFLOW COOLING AIRFLOW REQUIREMENT CFM Eo od gt om e Airflow Input__Airflow Input soe eso 27 27 ae Minimum filter area dictated by heating airflow requirement Minimum filter area dictated by heating airflow requirement Disposable Minimum Filter Area in Permanent Minimum Filter Area in Based on a 300 ft min filter face velocity Based on 600 ft min filter face velocity PRODUCT DESIGN Counterflow Filters This furnace has provisions for the installation of return air filters at the counterflowtop return The furnace willaccommodate the following filter sizes depending on cabinet size lt Return Air Counterflow Top Return Optional Cabinet Width Filter Area Qty Filter Size Dimension A Access in in in Door 130 _ pe Refer to Minimum Filter Area tables to determine filter area requirement NOT2. oo rose ae 0453AXC o owe 27 2 o i20 4o 1236 42 1166 44 1176 4 GDS8 1 139 1 090 1 035 50 1 063 1 063 49 0703AXC er ee me er ve 0904BXC 1 277 1 252 1 244 54 1 229 54 12141 55 o 240 ss 1 azso 2 161 2 007 42 GDS8 1 880 1 838 1 794 47 1 734 1677 51 1155 Med 5 ese sr ves 52 1587 1537 55 57 1 472 1 454 1404 61 1 366 1 326 Heating Speed As Shipped NOTES 14 CFM in chart is without filter s Filters do not ship with this furnace but must be provided by the installer All furnaces ship as hig speed cooling Installer must adjust blower cooling speed as needed For most jobs about 400 CFM per ton when cooling is desirable INSTALLATION IS TO BE ADJUSTED TO OBTAIN TEMPERATURE RISE WITHIN THE RANGE SPECIFIED ON THE RATING PLATE The chart is for information only For satisfactory operation external static pressure must not exceed values shown on the rating plate The shaded area indicates ranges in excess of maximum static pressure allowed when heating The dashed areas indicate a temperature rise not recommended for this model The above chart is for U S furnaces installed at 0 2 000 At higher altitudes a properly de rated unit will have approximately the same temperature rise at particular CFM while ESP at th
3. S Horizontal Slab Coil N Does Not Apply Horizontal Slab Coils NOMINAL CAPACITY RANGE 13 SEER 1824 1 1 2 to 2 Tons 3030 2 1 2 Tons 3636 3 Tons 3642 3 to 3 1 2 Tons 3743 3 to 3 1 2 Tons 4860 4 amp 5 Tons 4961 4 amp 5 Tons All CAPF coils amp D widths have insulated blank off plates for use with one size smaller furnaces All CAPF coils have a CAUF equivalent All CHPF coils in B C amp D heights have an insulated Z bracket for use with one size smaller furnace All proper coil combinations are subject to being AHRI rated with a matched outdoor unit PRODUCT DESIGN Thermostats NOTE Complete lineup of thermostats can be found in the Thermostat Specification Sheets Filters Filters are required with this furnace and must be provided by the installer The filters used must comply with UL900 or CAN ULCS111 standards Installing this furnace without filters will void the unit warranty Upflow Filters This furnace has provisions for the installation of return air filters at the side and or bottom return The furnace will accommodate the following filter sizes depending on cabinet size BOTTOM RETURN Cabinet Nominal Cabinet Width Filter Size Flow Area Width in i in 390 Refer to Minimum Filter Area tables to determine filter area requirement NOTE Filters can also be installed elsewhere the duct system such as a central return
4. LIMIT BURNER COMPARTMENT 24 VAC HUMIDIFIER PRESSURE SWITCH HOT M1 2 SURFACE FLAME IGNITER SENSOR GAS VALVE COLOR CODES PK PINK YL YELLOW BR BROWN OR ORANGE WH WHITE PU PURPLE BL BLUE ms ROLLOUT LIMITS SINGLE CONTRCL ON SOME MODELS STEADY ON NORMAL OPERATION OFF CONTROL FAILURE 1 FLASH SYSTEM LOCKOUT RETRIES RECYCLES EXCEEDED 2 FLASHES PRESSURE SWITCH STUCK CLOSED 3 FLASHES PRESSURE SWITCH STUCK OPEN 4 FLASHES OPEN HIGH LIMIT 5 FLASHES FLAME SENSE WITHOUT GAS VALVE 6 FLASHES OPEN ROLLOUT 7 FLASHES LOW FLAME SIGNAL RAPID FLASHES REVERSED 115 VAC POLARITY VERIFY GND NOTES INDUCED DRAFT BLOWER INTEGRATED CONTROL MODULE XFMR 6 GND 8 MVC 9 MV 12 ID BLOWER AUXILIARY PRESSURE LIMIT CONTROLS SWITCH PRIMARY LIMIT CONTROL SNOLLO3NNOO L LSOWSSHL Ave MANUAL RESET ROLLOUT LIMIT CONTROLS SINGLE CONTROL ON SOME MODELS o XFMR 3 40 VA TRANSFORMER XFMR H 115 VAC XFMR N FLAME SENSOR HOT SURFACE IGNITER CIRCULATOR 3000 108109 G31V8931NI JUNCTION BOX DOOR SWITCH T T 979 DISCONNECT POWER BEFORE SERVIC
5. present Failure to do so may cause property damage personal injury or death A WARNING Goodman will not be responsible for any injury or property damage arising from improper service or service procedures If you install or perform service on this unit you assume responsibility for any personal injury or property damage which may result Many jurisdictions require a license to install or service heating and air conditioning equipment Installation and repair of this unit 4 WARNING should be performed ONLY by individuals meeting the requirements of an entry level technician as specified by the Air Conditioning Heating and Refrigeration Institute AHRI Attempting to install or repair this unit without such background may result in product damage personal injury or death PRODUCT IDENTIFICATION The model and manufacturing number are used for positive identification of component parts used in manufacturing Please use these numbers when requesting service or parts information GDS80453AXC GDS80703AXC GDS80904BXC GDS81155CXC GHS80453AXC GHS80704AXC GHS81155CXC These models available in Low NOx A WARNING The United States Environmental Protection Agency EPA has issued various regulations re garding the introduction and disposal of refrigerants introduced into this unit Failure to follow these regulations may harm the environment and can lead to the imposition of substantial fines These regulatio
6. CRT TECHNICAL MANUAL GDS8 amp GHS8 33 3 8 80 Gas Furnace Units e Refer to Service Manual RS6610004 for installation operation and troubleshooting information All safety information must be followed as provided in the Service Manual Refer to the appropriate Parts Catalog for part number information Model numbers listed on page 3 This manual is to be used by qualified professionally trained HVAC technicians only RT662201 1 Goodman does not assume any responsibility for property damage or personal injury September 2009 due to improper service procedures or services performed by an unqualified person Copyright 2009 Goodman Manufacturing Company L P PRODUCT IDENTIFICATION The model and manufacturing number are used for positive identification of component parts used in manufacturing Please use these numbers when requesting service or parts information FURNACE TYPE S Single Stage Multi speed AIRFLOW DIRECTION D Dedicated Downflow H High Airflow MAJOR REVISION MINOR REVISION AIRFLOW CAPABILITY 3 1200 4 1600 5 2000 ADDITIONAL FEATURES N Natural Gas X Low NOx CABINET WIDTH 14 B 17 1 2 21 NOMINAL INPUT 045 45 000 Btuh 070 70 000 Btuh 090 70 000 Btuh 115 115 000 Btuh HIGH VOLTAGE amp WARNING Disconnect ALL power before servicing or installing this unit Multiple power sources may be
7. E Filters also be installed elsewhere in the duct system such as a central return 10 FURNACE SPECIFICATIONS GDS8 MODEL GDS80453AXC GDS80703AXC GDS80904B XC GDS81155CXC Btuh Input US High Fire 115 000 Output US High Fire 92 000 AF U E 80 Rated External Static w c Temperature Rise Blower Wheel D Blower Horsepower Blower Speeds Max CFM 0 5 E S P Refer toairflow charts Power Supply Minimum Circuit Ampacity MCA 5 Maximum Overcurrent Device Transformer VA Heat Anticipator Amps Primary Limit Setting F Auxiliary Limit Setting F Rollout Limit Setting F Gas Supply Pressure Natural Propane w c 7 11 7 11 7 11 Manifold Pressure Natural Propane High Stage w c Orifice Size Natural Propane 43 55 43 55 43 55 3 5 10 3 5 10 3 5 10 Number of Burners 3 4 5 Vent Connector Diameter inches Shipping Weight lbs 1 Natural Gas BTU h For altitudes above 2 000 reduce input rating 4 for each 1 000 above sea level 2 DOE AFUE based upon Isolated Combustion System ICS 3 Vent and combustion air diameters may vary depending upon vent length Refer to the latest editions of the National Fuel Gas Code NFPA 54 ANSI Z223 1 in the USA and the Canada National Standard of Canada CAN CSA 1 49 1 and CAN CSA B142 2 in Canada 4 Minimum Circuit Ampacity 1 25 x Circulator Blower Amps ID Blower amps Wire size should b
8. ELEVATION ABOVE SEA LEVEL FEET _____ gt US BURNER ORIFICE 44 55 44 55 45 56 45 56 46 57 47 58 47 58 CANADA BURNER HA 02 HIGH ALTITUDE CONVERSION KIT REQUIRED Tabled data is based upon the furnace input being reduced for altitudes above sea level U S 4 per 1 000 feet Canada 10 derate for 2 000 4 000 feet High altitude kits are purchased according to the installa tion altitude and usage of either natural or propane gas Refer to the chart above for a tabular listing of appropriate altitude ranges and corresponding manufacturer s high altitude Natu ral Gas and Propane Gas kits For a tabular listing of appro priate altitude ranges and corresponding manufacturer s High Altitude Pressure Switch kits refer to either the Pressure Switch Trip Points amp Usage Chart in this manual or the Ac cessory Charts in Service Instructions PRODUCT DIMENSIONS Alt Vent Location 19 5 8 33 3 8 Alt Gas Inlet Gas Location Alt High Voltage High Voltage Inlet Low Voltage Alt Low Voltage p _____________________ GHS80453AXC 14 1 2 12 1 2 GHS80704BXC 17 1 2 GHS80905C XC 19 1 2 GDS80453AXC 14 1 2 12 1 2 GDS80703AXC GDS81155CXC 19 1 2 PRODUCT DESIGN GHS8 And Usage Chart Trip
9. ING o WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED DISCONNECT L GND N TO 115VAC D 60 HZ POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE JUNCTION BOX TO 115 VACI 1 60HZ POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE AUTO RESET SINGOW 1081N09 1 LOW VOLTAGE 24V LOW VOLTAGE FIELD HI VOLTAGE 115V HI VOLTAGE FIELD JUNCTION TERMINAL INTERNAL TO INTEGRATED CONTROL PLUG CONNECTION SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0 7 AMPS GR GREEN GY GRAY BK BLACK RD RED 0140F00119 REV A EQUIPMENT GND FIELD GND FIELD SPLICE SWITCH TEMP IGNITER SWITCH PRESS OVERCURRENT PROT DEVICE MANUFACTURER S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST REPLACED IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 105 C USE COPPER CONDUCTORS ONLY BLOWER SPEEDS SHOULD BE ADJUSTED BY INSTALLER TO MATCH THE INSTALLATION CORRECT COOLING CFM SEE SPEC SHEET FOR AIR FLOW CHART REQUIREMENTS SO AS TO PROVIDE THE CORRECT HEATING TEMPERATURE RISE AND THE UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM AND LOCAL CODES Wiring is subject to change always refer to the wiring diagram on the unit for the most up to date wiring G S8
10. Point ID Blower ID Blower Pressure Pressure Switch Switch Part 4 GHS80453AXC 0130F00042 GHS80704BXC B1370158 GHS80905CXC B1370158 For installations in Canada the GHS furances are certified only to 4 500 ft Negative pressure readings are in inches of water column w c wm _ wem _ meme ROLLOUT LIMIT SWITCHES AUXILIARY LIMIT SWITCHES PRODUCT DESIGN GDS8 Presssure Switches om come ome om een oom ow PRIMARY LIMIT near 1 ROLLOUT LIMIT SWITCHES AUXILIARY LIMIT SWITCHES PRODUCT DESIGN Coil Matches A large array of Amana brand coils are available for use with the GHS8 furnaces in horizontal applications and for the GDS8 for downflow applications These coils are available in both cased and uncased models with the option of a field installed TXV expansion device These 80 furnaces match up with the existing Amana brand coils as shown below Coil Matches for Goodman units using R22 and R 410A EXPANSION REVISION PRODUCT DEVICE TYPE F Flowrater C Indoor Coil REFRIGERANT CHARGE 6 R 410A or R 22 CABINET FINISH 2 R 22 U Unpainted 4 R 410a P Painted N Unpainted Case NOMINAL WIDTH FOR GAS FURNACE A Fits 14 Furnace Cabinet APPLICATION B Fits 17 1 2 Furnace Cabinet A Upflow Downflow Coil C Fits 21 Furnace Cabinet H Horizontal A Coil D Fits 24 1 2 Furnace Cabinet
11. e CFM will be lower BLOWER PERFORMANCE SPECIFICATIONS 0001 x LAdLNO 091 081 Ocl 001 06 08 0 09 0G OV 0 I IILI OL W49 3914 INdLNO nig 0c 3SIH X 80 L X W49 LNdLNO NLA SV InlWHOJ 0 INO 0 0022 Ov 0002 0081 0091 0S 00 09 0021 0011 0001 0 006 008 08 00 06 W49 009 001 LYVHO 3518 aun vaadiNal S 1 NLA 3519 SAYNLVYAdWAL 15 WIRING DIAGRAMS 16 WARNING HIGH VOLTAGE DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH Avs DISCONNECT POWER BEFORE SERVICING WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED 24 HUMIDIFIER G RWY xt KB EDI DIAGNOSTIC LED INTEGRATED CONTROL MODULE OVA SL 115 VAG HOT AND PARK TERMINALS LINCH XFMR HEATH COOLH AUXILIARY HOLYTNDID 15 PIN PLUG ON SOME MODELS BLOWER COMPARTMENT DOOR SWITCH SWITCH LOCATED IN BLOWER COMPARTMENT ON SOME MODELS RD PRIMARY
12. e determined in accordance with National Electrical Codes Extensive wire runs will require larger wire sizes 5 Maximum Overcurrent Protection Device refers to maximum recommended fuse or circuit breaker size May use fuses or HACR type circuit breakers of the same size as noted Notes All furnaces are manufactured for use on 115 VAC 60 Hz single phase electrical supply Gas Service Connection 72 Important Size fuses and wires properly and make electrical connections in accordance with the National Electrical Code and or all existing local codes NOTES i These furnaces are manufactured for natural gas operation Optional Kits are available for conversion to propane gas operation For elevations above 2000 ft the rating should be reduced by 4 for each 1000 ft above sea level The furnace must not be derated orifice changes should only be made if necessary for altitude The total heat loss from the structure as expressed in TOTAL BTU HR must be calculated by the manufactures method in accordance with the A S H R A E GUIDE or MANUAL J LOAD CALCULATIONS published by the AIR CONDITIONING CONTRACTORS OF AMERICA The total heat loss calculated should be equal to or less than the heating capacity Output based on D O E test procedures steady state efficiency times output Unit specifications are subject to change without notice ALWAYS refer to the unit s serial plate for the most up to date general and electrical informat
13. ion 11 FURNACE SPECIFICATIONS GHS8 MODEL GHS80453AXC GHS80704BXC GHS80905CXC Input Natural Gas BTUH Output Natural Gas BTUH Output LP BTUH A F U E P Rated External Static w c 0 20 0 50 0 20 0 50 0 20 0 50 Temperature Rise 15 45 30 60 35 65 Pressure Switch Trip Point w c Blower Wheel D x W 11 x 6 11 x 8 11 x 10 Blower Horsepower 1 2 3 4 3 4 Blower Speeds CFM 0 5 E S P Power Supply Volts Hz Ph 115 60 1 115 60 1 115 60 1 Minimum Circuit Ampacity MCA 12 5 11 8 11 8 Refer to airflow charts Maximum Overcurrent Device 3 15 15 15 Transformer VA ID Blower Pressure Switch Trip Point w c Primary Limit Setting Auxiliary Limit Setting F Rollout Limit Setting F Gas Supply Pressure Natural Propane w c Manifold Pressure Natural Propane w c Orifice Size Natural Propane Number of Burners Vent Connector Diameter inches Shipping Weight Ibs 1 Natural Gas BTU h For altitudes above 2 000 reduce input rating 4 for each 1 000 above sea level 2 DOE AFUE based upon Isolated Combustion System ICS 3 Vent and combustion air diameters may vary depending upon vent length Refer to the latest editions of the National Fuel Gas Code NFPA 54 ANSI Z223 1 in the USA and the Canada National Standard of Canada CAN CSA B1 49 1 and CAN CSA B142 2 in Canada 4 Minimum Circuit Ampacity 1 25 x Circulator Blower Amps ID Blo
14. ns for an explanation of the possible problem 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 or Manual J Load Calculations published by the Air Conditioning Con tractors of America Obtain from American National Standards Institute 1430 Broadway New York NY 10018 Location Considerations furnace should be as centralized as is practical with respect to the air distribution system Donotinstall the furnace directly on carpeting tile or combustible material other than wood flooring When installed in a residential garage the furnace must be positioned so the burners and ignition source are located not less than 18 inches 457 mm above the floor and protected from physical damage by ve hicles Notes To PREVENT POSSIBLE PERSONAL INJURY OR DEATH DUE TO ASPHYXIATION THIS FURNACE MUST BE CATEGORY vENTED Do NOT VENT USING Catecory vENrING Category Venting is venting at a non positive pressure A furnace vented as Category is considered a fan assisted appliance and the vent system does not have to be gas tight NOTE Single stage gas furnaces with induced draft blowers draw products of combustion through a heat ex changer allowing in some instances common venting with natural draft appliances i e water heater
15. ns may vary by jurisdiction Should questions arise contact your local EPA office Do not connect or use any device A WARNING A WARNING To prevent the risk of property that is not design certified by WARNING damage personal injury or death Goodman for use with this unit do not store combustible materials or use gasoline or Serious property damage personal injury reduced unit other flammable liquids or vapors in the vicinity of this performance and or hazardous conditions may result appliance from the use of such non approved devices PRODUCT DESIGN General Operation The G S8 furnaces are equipped with an electronic ignition device used to light the burners and an induced draft blower to exhaust combustion products An interlock switch prevents furnace operation if the inner blower door is not in place Keep the blower access door in place except for inspection and maintenance See illustra tion on pages 5 and 6 This furnace is also equipped with a self diagnosing elec tronic control module In the event a furnace component is not operating properly the control module LED will flash on and off in a factory programmed sequence depending on the problem encountered This light can be viewed through the observation window in the blower access door Refer to the Troubleshooting Charttor further explanation of the LED codes and Abnormal Operation Integrated Ignition Control section in the Service Instructio
16. s All installations must be vented in accordance with National Fuel Gas Code 4 NFPA 54 ANSI Z223 1 latest edition In Canada the fur naces must be vented in accordance with the National Stan dard of Canada CAN CSA B149 1 and CAN CSA B149 2 latest editions and amendments NOTE The vertical height of the Category venting system must be at least as great as the horizontal length of the venting system Accessibility Clearances Minimum Unobstructed front clearance of 24 for servicing is recom mended MINIMUM CLEARANCE TO COMBUSTIBLE MATERIALS INCHES Font ar bui sw B LX qoe ow qoe ow 24 clearance for serviceability recommended Single Wall Vent SW to be used only as a connector Refer to the venting tables outlined in the Installation Manual for additional venting requirements Note In all cases accessibility clearance shall take prece dence over clearances from the enclosure where accessibil ity clearances are greater All dimensions are given in inches High Altitude Derate When this furnace is installed at high altitude the appropri ate High Altitude orifice kit must be installed This is re quired due to the natural reduction in the density of both the gas fuel and combustion air as altitude increases The kit will provide the proper design certified input rate within the specified altitude range INPUT PER BURNER 22 500 BTUH NATURAL GAS 20 000 BTUH L P
17. te general and electrical information BLOWER PERFORMANCE SPECIFICATIONS GHS8 BLOWER PERFORMANCE CFM amp Temperature Rise vs External Static Pressure Model EXTERNAL STATIC PRESSURE Inches Water Column tl 0453AXC 0704BXC 0905CXC NOTES CFM in chart is without filter s Filters do not ship with this furnace but must be provided by the installer All furnaces ship as high speed cooling Installer must adjust blower cooling speed as needed For most jobs about 400 CFM per ton when cooling is desirable INSTALLATION IS TO BE ADJUSTED TO OBTAIN TEMPERATURE RISE WITHIN THE RANGE SPECIFIED ON THE RATING PLATE The chart is for information only For satisfactory operation external static pressure must not exceed values shown on the rating plate The shaded area indicates ranges in excess of maximum static pressure allowed when heating The dashed areas indicate a temperature rise not recommended for this model The above chart is for U S furnaces installed at 0 2 000 At higher altitudes a properly de rated unit will have approximately the same temperature rise at particular CFM while ESP at the CFM will be lower 13 BLOWER PERFORMANCE SPECIFICATIONS GDS8 BLOWER PERFORMANCE CFM amp Temperature Rise vs External Static Pressure Model EXTERNAL STATIC PRESSURE Inches Water Column o 1353 zs 120 veae 27 i199 ze 1 149 20 cose 5 i
18. wer amps Wire size should be determined in accordance with National Electrical Codes Extensive wire runs will require larger wire sizes 5 Maximum Overcurrent Protection Device refers to maximum recommended fuse or circuit breaker size May use fuses or HACR type circuit breakers of the same size as noted Notes All furnaces are manufactured for use on 115 VAC 60 Hz single phase electrical supply Gas Service Connection 72 Important Size fuses and wires properly and make electrical connections in accordance with the National Electrical Code and or all existing local codes NOTES These furnaces are manufactured for natural gas operation Optional Kits are available for conversion to propane gas operation For elevations above 2000 ft the rating should be reduced by 4 for each 1000 ft above sea level The furnace must not be derated orifice changes should only be made if necessary for altitude 5 The total heat loss from the structure as expressed in TOTAL BTU HR must be calculated by the manufactures method in accordance with the A S H R A E GUIDE or MANUAL J LOAD CALCULATIONS published by the AIR CONDITIONING CONTRACTORS OF AMERICA The total heat loss calculated should be equal to or less than the heating capacity Output based on D O E test procedures steady state efficiency times output Unit specifications are subject to change without notice ALWAYS refer to the unit s serial plate for the most up to da
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