Amana AMH* Furnace User Manual
Contents
1. TORS 2 57 gt 655 VALVE PRESSURE SW TCH TYPICAL SCHEMATIC AMH8 MODEL FURNACES WR 50M56 289 INTEGRATED IGNITION CONTROL This schematic is for reference only Not all wiring is as shown above Always refer to the appropriate wiring diagram for the unit being serviced 172. ANDGROUNDED L GND Q BR Q BL OVERCURRENTPROTECTIONDEVICE WUD BK lt JUNCTION 5 20 HOT Wy BOX gt SURFACE 2STAGE N e azas 7 nhs 4 8 9 INDUCEDDRAFT BLOWER TO115VAC 1 60HZ onzo Pw LAA puts POWERSUPPLYWITH ra xa FLAME OVERCURRENTPROTECTION SENSOR DEVICE ROLLOUTLIMITS SINGLECONTROLONSOMEMODELS 0 STEADYON NORMALOPERATION OFF CONTROLFAILURE POVNET TASEIN EQUIPMENTGND 77 gt 1 1FLASH SYSTEMLOCKOUT RETRIES REC YCLESEXCEEDED LOWVOLTAGEFIELD FIELDGND L 2 2FLASHES PRESSURESWITCHSTUCKCLOSED HIVOLTAGE 115V lt 3 3FLASHES PRESSURESWITCHSTUCKOPEN 4FLASHES OPENHIGHLIMIT SWITCH TEMP JUNCTION oa 5 5FLASHES FLAMESENSEWITHOUTGASVALVE IGNITER 6 6FLASHES OPENROLLOUTOROPENFUSE TERMINAL O 7 7FLASHES LOWFLAMESIGNAL INTERNALTO SWITCH PRESS 559 8FLASHES CHECKIGNITERORIMPROPERGROUND INTEGRATEDCONTROE PaO BETES PLUGCONNECTION YC RAPIDFLASHES REVERSED115VACPOLARITY VERIFYGND NOTES 1 SETHEATANTICIPATORONROOMTHERMOSTATATO 7AMPS COLORCODES 2 MANUFACTURER SSPECIFIEDREPLACEMENTPART SMUS TBEUSEDWHENSERVICING YL YELLOW BRBROWN 3 IFANYOFTHEORIGINALWIREASSUPPLIEDWITHTHEFURNACEMUSTBE OR ORANGE WH WHITE REPLACED ITMUSTBEREPLACEDWITHWIRINGMATERIALHAVINGATEMPERATURE PUPURPLE BLBLUE RATI
3. 1 3 8 27 18 7 20 23 5 16 High Voltage Inlet 13 1 4 Low Voltage 5 AA 23 3 4 28 AMH80453AX AMH80703AX 26 AMH80704BX AMH80903BX 17 1 2 16 AMH80904BX 80905 81155 19 1 2 814050 4 24 1 2 All dimensions inches PRODUCT DESIGN PRESSURE SWITCH TRIP POINTS PRESSURE SWITCH TRIP POINTS AND USAGE CHART AND USAGE CHART SQUARE NOSE ROUND NOSE TRIP POINT ID BLOWER ID BLOWER PRESSURE ID BLOWER PRESSURE PRESSURE SWITCH PRESSURE SWITCH SWITCH PART SWITCH PART AMH80453AX 060 B1370142 AMH80453AX 6 B1370142 AMH80703AX 060 1370142 AMH80703AX 060 B1370142 amore _ _ Tamora _ Passos For installaions in Canada the 8 furnace is certified only to 4 500 ft Negative pressure readings are in inches of water column PRIMARY LIMIT 0130F00035 20162906 20162903 0130F00036 __ __ ROLLOUT LIMIT SWITCHES AUXILIARY LIMIT SWITCHES Part Number Open Sett
4. N Hi TOYXLNOO GSLVHOSLNI gt ELECTRONIC 15 PIN PLUG 1 AIR CLEANER ON SOME MODELS BLOWER COMPARTMENT l 24 DOOR SWITCH aa SWITCH LOCATED IN BLOWER COMPARTMENT SOME MODELS WARNING DISCONNECT POWER DISCONNECT 5 BEFORE SERVICING PRIMARY LIMIT WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED L 115 1 60 HZ POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE JUNCTION HOT BOX SURFACE 2 STAGE LINEN IGNITER GAS VALVE GND LINEH PU INDUCED DRAFT BLOWER 115 1 60HZ PU PU POWER SUPPLY WITH FLAME OVERCURRENT PROTECTION SENSOR DEVICE ROLLOUT LIMITS SINGLE CONTROL ON SOME MODELS STEADY ON NORMAL OPERATION 2 OFF CONTROL FAILURE LOW VOLTAGE 24V EQUIPMENT GND lt gt x l gt 2 25 lt i 0 25 Of Ox 2a S m T gt lt n 55 Or gt oo lt a al NZ a5 HIGH VOLTAGE 1 FLASH SYSTEM LOCKOUT RETRIES RECYCLES EXCEEDED LOW
5. 12 5 14 7 Maximum Overcurrent Device 3 15 15 15 15 15 15 15 Transformer VA 40 40 40 40 40 40 40 Primary Limit Setting F Auxiliary Limit Setting F Rollout Limit Setting F Fan Delay On Heating Off Heating Fan Delay On Cooling Off Cooling Fan Delay On Fan Only 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 Off Heating This fan delay timing is adjustable 90 120 150 or 180 seconds 150 seconds as shipped 1 These furnaces are manufactured for natural gas operation Optional kits are available for conversion to propane operation 2 Minimum Circuit Ampacity calculated as 1 25 x Circulator Blower Amps 1 0 Blower Amps Wire sizes should be determined in accordance with National Electrical Codes Extensive wire runs will require larger wire sizes 3 Maximum Overcurrent protections Device refers to maximum recommended fuse or circult breaker size May use time delay fuses or HACR type circuit breakers of the same sizes as noted NOTES 1 For elevations above 2000 feet the rating should be reduced by 4 for each 1000 feet above sea level The furnace must not be derated orifice changes should only be made if necessary for altitude 2 total heat loss from the structure as expressed in TOTAL BTU HR must be calculated by the ma
6. 0 70 000 BTUH 090 90 000 BTUH 115 115 000 BTUH 140 140 000 BTUH 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 4 WARNING A WARNING Goodman will not be responsible for any injury or property damage Installation and repair of this unit A WARNING should be performed ONLY by 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 individuals meeting the require ments of an entry level technician at a minimum as specified by the Air Conditioning Heating and Refrigera tion 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 AMH80453AXC AMH80703AXC AMH80704BXC AMH80903BXC AMH80904BXC AMH80905CXC AMH81155CXC AMH81405DXC Indicates minor revision amp is not used for order entry or inventory management A WARNING The United States Environmen
7. ATION THIS FURNACE MUST BE CATEGORY Do NOT VENT USING Catecory III VENTING 1 Category Venting is venting at a non positive pressure A furnace vented as Category is considered a fan as sisted 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 exchanger allowing in some instances common venting with natural draft appliances i e water heaters All installations must be vented in accordance with National Fuel Gas Code NFPA 54 ANSI 2223 1 latest edition In Canada the furnaces must be vented in accordance with the National Standard 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 2 Line voltage wiring can enter through the right or left side of the furnace Low voltage wiring can enter through the right or left side of furnace 3 Conversion kits for propane gas and high altitude natural and propane gas operation are available See High Alti tude Derate chart for details PRODUCT DESIGN Accessibility Clearances Minimum Unobstructed front clearance of 24 for servicing is rec ommended MINIMUM CLEARANCE TO COMBUSTIBLE MATERIALS INCHES gt 24 clearance for serviceability rec
8. DA 45 g 8 PRIMARY SEENOTEG 90 D RO2 11 LIMIT 8 AUXILIARY a CONTROL BR LIMITS 9 INTEGRATED pa CONTROLMODULE a MANUALRESETROLLOUT LIMITCONTROL S 5 g SINGLECONTROLONSOMEMODELS a EMG 24 88 BL BR TRANSFORMER RD 8 CO 2 2 115 FLAMESENSOR 8 8 s s 1 5 FP x HOTSURFACE gt to a XFMR H LINE H IGN 1 IGN N amp PARK 9 2 5 8 Fess 2 59985 gt 8 BK m IND INDN 8 9 2 2 2 2 5 gt z 2 4 8 2 COOL H lt T 15 6 95 8 CIRCULATOR Pils 54 ae Ae o 59 wos 2 5 ay _ N BK __ ELECTRONIC ___ GR 15PINPLUG AIRCLEANER 2 onsomemovers ee 5 BLOWERCOMPARTMENT LINE H LINE N 2 BURNERCOMPARTMENT gt DOOR w lt O Z DOORSWITCH SWEN La 4 N lt SWITCHLOCATEDINBLOWER oo COMPARTMENTONSOMEMODELS lt WARNING RD RD 8 DISCONNECTPOWER wo gt RORE YL BEFORESERVICING b woe PRIMARYLIMIT WIRINGTOUNIT noc RD MUSTBE 0 PROPERLY wo amp POLARIZED
9. NGOFATLEAST105 C USECOPPERCONDUCTORSONLY ante evan 4 BLOWERSPEEDSSHOULDBEADJUSTEDBYINSTALLERTOMATCHTHEINSTALLATION REQUIREMENTSSOASTOPROVIDETHECORRECTHEATINGTEMPERATURERISEAND THE BKBLACK RD RED CORRECTCOOLINGCFM SEESPECSHEETFORAIRFLOWCHART 5 UNITMUSTBEPERMANENTLYGROUNDEDANDCONFORMTON E C ANDLOCALCODES 6 TORECALLTHELASTS5 FAULTS MOSTRECENTTOLEASTREGENT DEPRESSSWITCH 0140F00662 REV A FORMORETHAN2SECONDSWHILEINSTANDBY NOTHERMOSTATINPUTS Wiring is subject to change Always refer to the wiring diagram on the unit for the most up to date wiring 16 SCHEMATICS HIGH VOLTAGE WARNING 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 Cl RCULATOR BLOVER ELECTRONI R CLEANER NDUCER CLEA HI LO CIR EAC coo HEAT HEAT PARK NEU EAC NEU I ND gt Cy R K2 K2 RO2 gt K3 K6 ROL ae gt K7 LINE HOT KL 120 24 T FACTORY TR JUMPER S CO L R J RG W wl Fp 104 GND 7 PS THLO HLI PSO THERMOSTAT FLAME SENSOR on
10. VOLTAGE FIELD FIELD GND 2 FLASHES PRESSURE SWITCH STUCK CLOSED HI VOLTAGE 115V VOLTAGE 115V FIELD SPLICE 3 FLASHES PRESSURE SWITCH STUCK OPEN HI VOLTAGE FIELD 4 FLASHES OPEN HIGH LIMIT SWITCH TEMP 9 19 JUNCTION 5 FLASHES FLAME SENSE WITHOUT GAS VALVE nnm 6 FLASHES OPEN ROLLOUT OR OPEN FUSE TERMINAL 7 FLASHES LOW FLAME SIGNAL INTERNAL TO SWITCH PRESS 8 FLASHES CHECK IGNITER OR IMPROPER GROUND INTEGRATED CONTROL OVERCURRENT PROT DEVICE RAPID FLASHES REVERSED 115 VAC POLARITY VERIFY GND PLUG CONNECTION NOTES 1 SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0 7 AMPS COLOR CODES PIC PINK 2 MANUFACTURER S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING YL YELLOW BRBROWN 3 IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE OR ORANGE WH WHITE PRINS OF SRLS ING A TEMPERATURE EN ere 4 BLOWER SPEEDS SHOULD BE ADJUSTED BY INSTALLER TO MATCH THE INSTALLATION REQUIREMENTS SO AS TO PROVIDE THE CORRECT HEATING TEMPERATURE RISE AND THE BK BLACK RD RED CORRECT COOLING CFM SEE SPEC SHEET FOR AIR FLOW CHART 5 UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM N E C AND LOCAL CODES 6 TO RECALL THE LAST 5 FAULTS MOST RECENT TO LEAST RECENT DEPRESS SWITCH 0140F00594 REV A FOR MORE THAN 2 SECONDS WHILE IN STANDBY NO THERMOSTAT INPUTS WARNING Wiring is subject to change Always refer to the wiring dia
11. d to be used with a single stage room thermosat Start Call for Heat Safety Circuit Check Start Furnace in Low Stage Low Heat Blower Delay Time 5 Min Gas Valve Switch to 2nd Stage Blower Switch to Hi Heat Operation T Stat Satisfied 54 Je Call for Heat Safety Circuit Check Start Furnace in Low Stage Low Heat Blower Delay Time 1 12 Min Gas Valve Switch to 2nd Stage Blower Switch to Hi Heat Operation T Stat Satisfied 11 FURNACE SPECIFICATIONS AMH80453AX H80703 AX AMH80704BX MH80903BX AMH80904BX 80905 81 155 814050 Al Input Natural Gas BTUH 45 000 115 000 140 000 Output Natural Gas BTUH 36 000 92 000 112 000 Output LP BTUH 32 000 80 000 96 000 80 0 80 0 80 0 Rated External Static w c 0 20 0 50 0 20 0 50 0 20 0 50 0 20 0 50 0 20 0 50 0 20 0 50 0 20 0 50 0 20 0 50 Temperature Rise F 25 55 25 55 20 50 35 65 35 65 35 65 35 65 40 70 Pressure Switch Trip Point w c 0 70 0 70 0 75 0 75 0 75 0 75 0 90 0 80 Blower Wheel D x W 10x6 10 6 10x8 10x8 10x8 10x10 10x10 11x10 Blower Horsepower 1 3 1 3 1 2 1 3 1 2 1 2 1 2 Blower Speeds 4 4 4 4 4 4 4 4 0 5 E S P Power Supply Volts Hz Ph 115 60 1 115 60 1 115 60 1 115 60 1 115 60 1 115 60 1 115 60 1 115 60 1 Minimum Circuit Ampacity 2 8 1 8 1 12 5 8 1 12 5
12. e All proper coil combinations are subject to being ARI rated with a matched outdoor unit PRODUCT DESIGN Thermostats The following Amana brand Thermostats are suggested for use with the AMH8 Furnace Models THERMOSTATS Programmabie 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 Side Return s Bottom Return Cabinet Nominal Approx Cabinet Nominal Approx Width Filter Size Flow Area Width Filter Size Flow Area in in in Refer to Minimum Filter Area tables to determine filter area requirement NOTE Filters can also be installed elsewhere in the duct system such as a central return PERMANENT NOMINAL 600 F M FACE VELOCITY DISPOSABLE NOMINAL 300 F M FACE VELOCITY 10 PRODUCT DESIGN TwinComfort Configuration amp Operation TwinComfort This furnace is capable of the following heating modes Single Stage Factory Setting Modified Two Stage gt Fixed 5 Min Low Stage gt Auto Time 1 12 Min Low Stage To change from the factory single stage operation adjust the dipswitches on the ignition control as follows OFF ON MODE SWITCH 2ND STAGE DELAY DIPSWITCH Note This furnace is designe
13. gram on the unit for the most up to date wiring 15 WIRING DIAGRAMS AMH8_CC WARNING DISCONNECTPOWERBEFORE i HUMIDIFIER INTEGRATED SERVICING WIRINGTOUNITMUSTBE CONTROLMODULE PROPERLYPOLARIZEDANDGROUNDED 24 GAS ma VALVE yee 4 lt lt ee DBLOWER 2 AUXILIARY PRESSURE S 4 LIMITCONTROLS SWITCH 5 5 PS 10 NO MS EME Bove E 1505 100 4 2 Foy 51 MICRO 7 WH 2 4 7 QO BL Ei HLO 1 DE J g UTORESET M
14. ing 80453 80703 AX AMH80704 BX AMH80903 BX AMH80904 BX AMH80905 AMH81155CX AMH81405 DX PRODUCT DESIGN Coil Matches A large array of Amana brand coils are available for use with the AMH8 furnaces in either upflow or horizontal applica tions 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 in the chart below Coil Matches Amana brand units using R22 and R 410A EXPANSION REVISION PRODUCT DEVICE TYPE F Flowrater C Indoor Coil REFRIGERANT CHARGE CABINET FINISH 6 R 410A or R 22 U Unpainted 2 R 22 P Painted 4 R 410a N Unpainted Case NOMINAL WIDTH FOR GAS FURNACE A Fits 14 Furnace Cabinet APPLICATION B Fits 17 1 2 Furnace Cabinet Upflow Downflow Coil C Fits 21 Furnace Cabinet H Horizontal A Coil D Fits 24 1 2 Furnace Cabinet 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 4860 4 amp 5 Tons All coils in B amp D widths have insulated blank off plates for use with one size smaller furnaces All coils have CAUF equivalent All CHPF coils in B amp D heights have an insulated Z bracket for use with one size smaller furnac
15. itioning purposes only The dashed areas indicate a temperature rise not recommended for this model The above chart is for U S furnaces installed at 0 2000 feet At higher altitudes a properly derated unit will have approximately the same temperature rise at a particular CFM while the ESP at that CFM will be lower BLOWER PERFORMANCE SPECIFICATIONS OSI 061 Ocl 0001 X LNdLNO 001 06 08 0 09 0 6 OV 06 8071 LAdLAO 1 85919 80 F X W49 LNdLNO 2519 W40 009 LYVHO 3519 SA LNdLNO NL 01 8919 391 79 14 WIRING DIAGRAMS AMH8_CA CB WARNING DISCONNECT POWER BEFORE HUVIDIFIER INTEGRATED SERVICING WIRING TO UNIT MUST BE 1 CONTROL MODULE PROPERLY POLARIZED AND GROUNDED 24 HUMIDIFIER ID BLOWER AUXILIARY PRESSURE LIMIT CONTROLS SWITCH 1576 MODE 150 5 1005 67 Oy AUTO RESET PRIMARY UMIT CONTROL ol 6 AUXILIARY LIMITS 5 INTEGRATED CONTROL MODULE MANUAL RESET ROLLOUT LIMIT CONTROL S Ve SINGLE CONTROL SOME MODELS XFMR 3 SNOLLOANNOO LVLSOWH3H1 Ave 4 TRANSFORMER 115 VAC FLAME SENSOR HOT SURFACE IGNITER XFMR H
16. mana TECHNICAL MANUAL LASTS AND LASTS AND LASTS AMH8 33 3 8 80 Gas Furnace 80 AFUE Twin Comfort Multi Speed Upflow Horizontal NOx e Refer to Service Manual RS6610004 for installation operation and troubleshooting information All safety information must be followed as provided the Service Manual e Refer to the appropriate Parts Catalog for part number information Model numbers listed on 05 Liste This manual is to be used by qualified professionally trained HVAC technicians only RT6621017r1 Goodman does not assume any responsibility for property damage or personal injury due April 2010 to improper service procedures or services performed by an unqualified person Amana is a registered trademark of Maytag Corporation or its related companies and is used under license to Goodman Company L P Houston TX All rights reserved Copyright 2009 2010 Goodman 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 FEATURES N Natural Gas X Low NOx MINOR REVISION A Initial Release FURNACE TYPE H Twin Comfort Multi Speed SUPPLY TYPE M Upflow Horizontal CABINET WIDTH A 14 21 B 17 1 2 D 24 1 2 MAJOR REVISION A Initial Release NOMINAL CAPACITY 045 45 000 BTUH 07
17. nufacturers 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 12 BLOWER PERFORMANCE SPECIFICATIONS CFM amp Temperature Rise vs External Static Pressure EXTERNAL STATIC PRESSURE Inches Water Column 2 o oe os os fs Sipps M H S 80453A MEDIUM M H S 80703A MEDIUM M H S 80704B MEDIUM M H S 80903B MEDIUM M H S 80904B MEDIUM M H S 80905C MEDIUM M H S 81155C MEDIUM M H S 81405D MEDIUM NOTES 1 2 3 4 5 CFM in chart is without filters 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 value shown on rating plate The shaded area indicates ranges in excess of maximum external static pressure allowed when heating The data for 0 6 w c to 0 8 w c is shown for air cond
18. ommended Single Wall Vent SW to be used only as conncetor 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 accessi bility 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 a00 sooo 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 co
19. rresponding 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 COMPONENT IDENTIFICATION 2 Pressure Switch 3 Flue Pipe Connection 4 Induced Draft Blower gt 5 Gas Line a SS S Entrance 6 Rollout Limit 8 Junction Box 9 Wiring Harness S Grommet 0 Gas Manifold 6 Gas Line Entrance Alternate Inshot Burner 42 Transformer 5 Circulator Blower 4 Blower Door Interlock Switch 3 Integrated Control Module Note Primary Limit Not Shown Upflow Horizontal 1 Tubular Heat Exchanger 9 Wiring Harness Grommet 2 Pressure Switch 10 Gas Manifold 3 Flue Pipe Connection 11 Inshot Burner 4 Induced Draft Blower 12 Transformer 5 Gas Line Entrance 13 Integrated Control Module 6 Gas Valve 14 Blower Door Interlock Swtich 7 Rollout Limit 15 Circulator Blower 8 Junction Box 16 Gas Line Entrance Alternate PRODUCT DIMENSIONS 1 7 16 yy Alt Gas Inlet OO Alt High Voltage es Alt LowVoltage AMH8 Alt Gas Inlet 1 3 4
20. s light can be viewed through the observation window in the blower access door Refer to the Troubleshooting Chart for further explanation of the LED codes and Abnormal Operation Integrated Ignition Control section in the Service Instructions 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 e Donotinstall the furnace directly on carpeting tile or combustible material other than wood flooring e When suspending the furnace from rafters or joists use 3 8 threaded rod and 2 x 2 x 3 8 angle as shown in the Installation and Service Instructions The length of the rod will depend on the application and clearance necessary 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 To PREVENT POSSIBLE PERSONAL INJURY OR DEATH DUE TO ASPHYXI
21. tal 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 regulations may vary by jurisdiction Should questions arise contact your local EPA office Do not connect or use any device A WARNING WARNING prevent the risk of property that is not design certified by A WARNING damage personal injury or death Goodman tor Hse 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 8 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 blower door is not in place Keep the blower access door in place except for inspection and maintenance 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 Thi
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