Goodman Mfg GAS-FIRED WARM AIR FURNACE manual

I NST ALLA TION I NSTRUCTIONS *MH95/ACSH96/AMEH96/ GCH95/GME95/GCH9 G AS -F IRED W ARM A IR F URNACE A TTENTION INST ALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer . This includes all safety precautions and related items. Prior to actual installation, thoroughly familiarize yourself [...]

2 T able of Content s I. Component Identification .................................................................................................... ............................................ 5 II. Safety Considerations ...................................................................................................... .......................[...]

3 WARNING G OODM AN W ILL NOT BE RESPONSIBLE F OR ANY I NJURY OR PROP ERTY DAM AGE AR I SING FROM IMP ROPER S ERVICE OR SERVICE PROCED URES. I F YOU INSTA L L OR PERFOR M SERVICE ON THIS UN I T , YOU ASSU ME RESP ONSIBIL ITY FOR ANY PE RSONA L INJURY OR PR OPERY D AMAGE WH ICH MAY RES UL T. M ANY JURISD IC T IONS REQUIRE A LICEN SE TO INSTALL OR SE[...]

4 I F THE INFORM ATION IN THESE INSTRUC TIONS IS NOT FOLLOWED EXACTLY , A FIRE OR EXPL OS ION MAY RESU LT CAUSIN G PROP ERTY DAMAG E , PERSO NAL INJURY OR LOSS OF LIFE . - D O NOT STO R E OR USE GASOLINE OR OTHER FLAMMABLE VAP ORS AND LIQUIDS IN THE VICINI TY OF THIS OR ANY OTHER APPLI ANCE . - WHA T TO D O IF YO U SMELL GA S: * D O NOT TRY TO LIGH[...]

5 I. COMPONENT IDENTIFICA TION 1 Gas V alve 2 Gas Line Entrance (Alternate) 3 Pressure Switch 4 Gas Manifold 5 Combustion Air Intake Connection / “Coupling” 6 Hot Surface Igniter 7 Rollout Limit 8 Burners 9 Flame Sensor 10 Flue Pipe Connection / “Coupling” 11 Flue Pipe (Internal) 1 2 Primary Limit 1 3 Gas Line Entrance 1 4 Flue Pipe Connect[...]

6 T HIS  PRODU CT  CONT AINS  OR  PRODU CES  A  CHEMI CAL  OR  CHEMI CALS  WHIC H  MAY  CA US E  SERI OUS  ILLNES S  OR  DEATH  AND  WHIC H  ARE  KNO WN  TO  THE  S TATE  OF  C ALIFORNIA  TO  CA US E  CA N CE R ,  BIR TH  DEF ECTS  OR  OT HE R  RE PR OD [...]

7 • It must be installed with two-pipe systems for combustion air , especially if VOC’s or other contaminants are present in the conditioned space. • All other warranty exclusions and restrictions apply This furnace is an ETL dual-certified appliance and is appropriate for use with natural or propane gas ( NOTE: If using propane, a propane co[...]

8 • Provide provisions for venting combustion products outdoors through a proper venting system. S pecial consideration should be given to vent/flue pipe routing and combustion air intake pipe when applicable. Refer to V ent/Flue Pipe and Combustion Air Pipe -T ermination Locations for appropriate termination locations and to determine if the pip[...]

9 F URNACE S USPENSION If suspending the furnace from rafters or joists, use 3/8" threaded rod and 2”x2”x1/8” angle iron as shown below . The length of rod will de- pend on the application and the clearances necessary . TILT OUTWARD TO ALLOW FOR DOOR AND CIRCULATOR BLOWER REMOVAL 3/8" D IAMETER THREADED ROD (6 PLACES) PROVIDE 8"[...]

10 Most homes will require outside air be supplied to the furnace area by means of ventilation grilles or ducts connecting directly to the outdoors or spaces open to the outdoors such as attics or crawl spaces. The following information on air for combustion and ventilation is reproduced from the National Fuel Gas Code NFP A 54/ANSI Z223.1 Section [...]

11 Furnace Wat e r Hea te r Openi n g Chim ney or G as Ven t Openi n g NOTE: E ach openi ng mus t have a free area of no t less than one sq uare inch per 1000 BT U of the total input rating o f all eq uip- men t i n the encl osure, bu t n ot less th an 10 0 sq uare in ches. Equipment Located in Confined Spaces; All Air from Inside Building. See 5.3[...]

12 5. When directly communicating with the outdoors, the single open- ing shall have a minimum free area of 1 square inch per 3,000 BTU per hour of total input rating of all equipment in the enclo- sure. 5.3.4 Specially Engineered Installations: The requirements of 5.3.3 shall not necessarily govern when special engineering, approved by the authori[...]

13 VIII. PROP ANE GAS /HIGH AL TITUDE INST ALLA TIONS P OSSIBL E PROP ERTY DAMAG E , PERSO NAL INJURY OR DEATH MA Y OCCU R IF THE CORR ECT CONVE RSI O N KITS ARE NOT INSTALLED . T HE APPR OPRI ATE KITS MU ST BE APPLI ED TO ENS U RE SAFE AND PROP ER FURN ACE OPERATION . A LL CONVE RSI O N S MU ST BE PER FORMED BY A QUALIFI ED INSTALLER OR SER VICE A[...]

14 v V X DIRECT VENT TERMINAL CLEARANCES 1 In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code. 2 In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code. † A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single fanily dwellings and serves both [...]

15 IX. VENT/FLUE PIPE & COMBUSTION AIR PIPE G ENERAL F AILU RE TO FOLLOW THESE INSTRUC TIONS CAN RESU LT IN BODI LY INJURY OR DEATH . C AREFULLY READ AND FOLLOW ALL INSTRUC TIO NS GIVEN IN THIS SEC TION . W ARNING U PO N COMPLETION OF THE FURN ACE INSTALLATION , CAREFU LLY IN SPEC T THE ENTI RE FLUE SYST EM BOTH INSIDE AND OUTSIDE OF THE FURN A[...]

16 T ERMINATION L OCATIONS NOTES: Refer to Location Requirements and Considerations for combustion air contaminant restrictions. The following bullets and diagram describe the restrictions concern- ing the appropriate location of vent/flue pipe and combustion air intake pipe (when applicable) terminations. Refer to Non-Direct V ent (Single Pipe) Pi[...]

17 FLAN GE CUT HER E 3.7 5" Vent/Flue Pipe Cuts 5. Remove plastic plug from alternate vent/flue location. Relocate and install plug in standard vent/flue location (top cover). Counterflow units. Remove plastic plug from alternate vent/flue location. Relocate and install plug in standard vent/flue location (basepan). Plug remaining hole in blow[...]

18 5 A DDI TIO NAL PLUG FRO M DRAIN KI T 7 EXTE RNALL Y MOUNT RUBB ER ELB O W 6 SECURE T O ID BLOWER WITH RUBBER COUPLING AND HOSE CLAM PS COUNT ERFLOW / UPRIGHT (UPFLOW SIMILAR) UPFLOW /HORIZONT AL (CO UNTERFLOW SIMILAR) 6 SECURE TO ID BLOWER WITH RUBBER COU PLING AND HOSE CLAMPS 6 SECURE TO CAB INET WI TH SCREWS Alternate Vent/Flue Location N ON [...]

19 COMB UST IO N AIR I NT AKE (OPTIONAL) *Not requi red for single pipe install atio n TEE ( OPT IONAL) 9 6 ” M A X . - 3 ” M I N . R O O F L I N E INT AKE SCR EEN OPTIO NAL 12” M IN HEIGHT DIFFERENCE BETWEEN INT A KE AND VENT 12” MIN TO ROOF OR HIGHES T ANTICI PA TED SNOW LEV EL STRAIGHT ELBOW S _______________ VENT/F LUE TEE ( or 45° EL [...]

20 SCREEN (OPTIO NAL ) A I R IN T AKE 90° ELB OWS 1 2 " MI N. AB OVE HIGH EST AN T ICIPA TED SNOW L EVEL 3” - 24” Alternate Horizontal Vent Termination (Dual Pipe) SCREEN (OPTIO NA L) AIR INT AK E 90° ELBO WS 1 2 " MIN. ABOVE HI GHE ST AN TI CIPA TED SNOW L EVEL 3”- 24” BET WEEN PIPE S Combustion Air Intake may also be snorkeled[...]

21 • If an air conditioning coil is installed with the furnace, a common drain may be used. An open tee must be installed in the drain line, near the cooling coil, to relieve positive air pressure from the coil’s plenum. This is necessary to prohibit any interference with the function of the furnace’s drain trap. NOTE: In vertical installatio[...]

22 A LTERNATE V ENT /F LUE D RAIN H OSE C ONNECTIONS Upright installations using the alternate vent/flue outlet will require “right-side only” drain hoses to be connected as follows. Refer to Vent/Flue Pipe and Combustion Air Pipe for details on alternate vent/flue pipe connection . 1. Remove the rubber plug from the right-side drain port on th[...]

23 U PRIGHT I NSTALLATIONS -T RAP ON L EFT S IDE NOTE: For left side trap installation, grommets must be moved to the left side of the furnace and the plugs installed on the right side of the furnace. 1. Remove the rubber plug from the left side drain port on the front cover . 2. Secure Hose A to front cover drain port with a red hose clamp. Route [...]

24 C ab i ne t W i dt h (i n c hes ) Mod els (k BTU_T o ns ) " X" L e ng th t o C u t F r o m L o n g En d of H os e B (in c hes) 17 1 /2 04 0_3 , 04 5_ 3 0, 06 0_ 3 7 21 0 70_ 40, 08 0_5 3 1 / 2 0 90_ 50, 10 0_5 115 _50 Non e 24 1 /2 U PRIGHT D RAIN T RAP M OUNTING (L EFT OR R IGHT S IDE P ANEL ) 1. Insert drain tubes into drain trap and[...]

25 L EFT S IDE D OWN Horizontal installations with the left side panel down will require drain hoses to be connected to the left side front cover drain port and the side drain port on the rubber elbow . 1. Remove the rubber plug from the front cover left (down) side drain port. 2. Relocate the front cover pressure switch hose connection from the ri[...]

26 XI. ELECTRICAL CONNECTIONS H I G H V O LTA G E ! T O AVOID THE RISK OF ELECTR ICAL SH OCK , WIRI N G TO THE UNIT MU ST BE POLARIZED AND GROU NDED . W ARNING H I G H V O LTA G E ! T O AVOID PERSO NAL INJURY OR DEATH DUE TO ELECTR ICAL SHOC K , DISCONN ECT ELECTR ICAL PO WER BEFO RE SER VICING OR CHANG ING ANY ELECTR ICAL WIRI N G . W ARNING L ABE[...]

27 Fur nace Control Remote Condens ing Unit Hea t ing/ Coo l ing R o om T h er mo s t a t Y Y1 Y1 Y2 Lo-H eat Hi- Heat Cool Lin e- H T4 T2 T3 T5 ECO -TEC H MOTOR Field Supp lied Rela y Y2 Field Wiring for GME95 /AMEH96 Furnacewith 2-Stage Condenser 115 V OLT L INE C ONNECTION OF A CCESSORIES ( E LECTRONIC A IR C LEANER ) H I G H V O LTA G E ! T O A[...]

28 If it is necessary for the installer to supply additional line voltage wiring to the inside of the furnace, the wiring must conform to all local codes, and have a minimum temperature rating of 105°C. All line voltage wire splices must be made inside the furnace junction box. The integrated control module electronic air cleaner terminals (EAC) a[...]

29 N atural G as Ca pac ity of P i pe In C ubic F e e t of G as P e r H our (CF H ) Length of N om inal Bla ck P ipe Size P ipe in F eet 1/2" 3/4" 1" 1 1/4" 1 1/2" 10 132 278 520 1050 1600 20 92 190 350 73 0 11 00 30 73 152 285 59 0 980 40 63 130 245 50 0 760 50 56 115 215 44 0 670 60 50 105 195 40 0 610 70 46 96 180 370 56[...]

30 HO RI ZO NTA L [UPF LOW MODE L ] MA NU AL SH UT - OF F V AL V E (UPSTREAM FR OM GROUND J OINT PI PE U NION ) DR IP LE G GROMM E T I N S T AND AR D GAS LINE HOLE DR AI N T R AP A LTE R N AT E G A S LI NE LO CATIO N MA NIF OLD GR OM ME T IN A L TERNATE GAS LI NE H OLE GAS VA LVE BU R N ER S A LT E R N A T E UN IO N LO C ATIO N GROUND JOI NT PI PE [...]

31 P ROPANE G AS T ANKS AND P IPING I F THE GAS FURN ACE IS INSTALLED IN A BA SEMEN T , AN EXC A VATE D AREA OR A CONFIN ED SPA C E , IT IS STRONGL Y RECOMM ENDE D TO CONTA CT A PROP A NE SUP PLIER TO INSTALL A GAS DETEC TING WARNI NG DEVI CE IN CASE OF A GAS LEAK . • S INCE PROP A NE GAS IS HEAV IER THAN AIR , ANY LEAKING AS CAN SETTLE IN ANY LO[...]

32 C HECKING D UCT S TATIC Refer to your furnace rating plate for the maximum ESP (external duct static) rating. T otal external st atic refers to everything external to the furnace cabi- net. Cooling coils, filters, ducts, grilles, registers must all be consid- ered when reading your total external static pressure. The supply duct pressure must be[...]

33 6 00 800 1 000 120 0 14 00 1 600 200 0 04 0_3 BX A 04 5 3 BXA 194 * 194* 240 2 88 --- --- --- 06 0_3 BX A 07 0 3 BXA -- - 32 4* 3 24* 324 * 336 --- -- - 07 04C X A -- - -- - 2 91* 291 * 336 38 4 -- - 09 04C X A -- - -- - 4 32* 432 * 43 2* 4 32* -- - 0 80_ 5CXA 09 05D XA --- --- --- 38 8 * 3 8 8* 388* 480 1 00_ 5DXA 11 55D XA - -- --- --- 486 * 4[...]

34 NOTE: This furnace is equipped with an ignition device which automatically lights the burner . Do not try to light the burner by hand. 5. Move the furnace gas valve manual control to the OFF position. 6. Wait five minutes then smell for gas. Be sure to check near the floor as some types of gas are heavier than air . 7. If you smell gas after fiv[...]

35 NOTE: If measuring gas pressure at the drip leg or Honeywell VR9205 gas valve, a field-supplied hose barb fitting must be installed prior to making the hose connection. If using the inlet pressure tap on the White-Rodgers 36G54 gas valve, then use the 36G V alve Pressure Check Kit, Goodman Part No. 0151K00000S. 3 . Turn ON the gas supply and ope[...]

36 3 . Calculate the number of seconds per cubic foot (sec/ ft 3 ) of gas being delivered to the furnace. If the dial is a one cubic foot dial, divide the number of seconds recorded in step 2 by one. If the dial is a two cubic foot dial, divide the number of seconds recorded in step 2 by two. 4. Calculate the furnace input in BTUs per hour (BTU/ hr[...]

37 C IRCULATOR B LOWER F AN T IMING A DJUSTMENT NOTE: Items in this section refer to the air circulator blower fan NOT to the induced draft blower . The induced draf t blower timing sequence is not adjustable. The circulator blower fan timing is adjustable only on models with optional “heating fan OFF delay” adjustment pins or switches. It is N[...]

38 (M ODE DIP S WITCH IS SET TO “2 STG” POSITION ) The normal operational sequence in sequence is as follows: • R and W thermostat contacts close, initiating a call for heat. • Integrated control module performs safety circuit checks. • Induced draft blower is energized for 15 second prepurge period causing pressure switch contacts to clo[...]

39 P RIMARY L IMIT The primary limit control is located on the partition panel and monitors heat exchanger compartment temperatures. It is a normally-closed (electrically), automatic reset, temperature-activated sensor . The limit guards against the overheating as a result of insufficient conditioned air passing over the heat exchanger . A UXILIARY[...]

40 XIX. MAINTENANCE H I G H V O LTA G E ! T O AVOID PERSO NAL INJURY OR DEATH DUE TO ELECTR ICAL SHOC K , DISCONN ECT ELECTR ICAL PO WER BEFO RE PERFOR MING ANY MAINTE NANCE . I F YO U MU ST HANDL E THE IGNITE R , HANDL E WITH CARE . T OUCH ING THE IGNITE R EL EM EN T WITH BARE FINGERS , ROUGH HANDL ING OR VIBRATI ON COULD DAMAGE THE IGNITE R RESU [...]

41 6 . Remove the recuperator coil turbulators individually by slowly pulling each turbulator forward firmly . 7. Clean the recuperator coil tubes using a long handle wire brush, such as a gun cleaning brush. 8 . Clean the primary heat exchanger tubes using a wire brush attached to a length of high grade stainless steel cable, such as drain cleanou[...]

42 1 Integrated control module will automatically attempt to reset from lockout after one hour . TROUBLESHOOTING CHART • Furnace lockout due to an excessive number of ignition “retries” (3 total) 1 . • Locate and correct gas interruption. • Check front cover pressure switch operation (hose, wiring, contact operation). Correct if necessary[...]

43 2 LED Flash code will cease if power to the control module is interrupted through the disconnect or door switch. TROUBLESHOOTING CHART 4 4 FLASHES • Circulator blower runs continuously . No furnace operation. • Integrated control module diagnostic LED is flashing FOUR (4) flashes. 6 6 FLASHES 7 7 FLASHES • Furnace fails to operate. • Int[...]

44 *MH95 BLOWER PERFORMANCE DA T A 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart assumes both filters are installed. 2. All furnaces ship as high speed cooling and medium-speed heating. Installer must adjust blower cooling &[...]

45 BLOWER PERFORMANCE DA T A ACSH96 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart assumes both filters are installed. 2. All furnaces ship as high speed cooling and medium-speed heating. Installer must adjust blower cooling [...]

46 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart assumes both filters are installed. 2. All furnaces ship as high speed cooling and medium-speed heating. Installer must adjust blower cooling & heating speed as needed. 3.[...]

47 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart assumes both filters are installed. 2. All furnaces ship as high speed cooling and medium-speed heating. Installer must adjust blower cooling & heating speed as needed. 3.[...]

48 1. CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart assumes both filters are installed. 2. All furnaces ship as high speed cooling and medium-speed heating. Installer must adjust blower cooling & heating speed as needed. 3.[...]

49 *MH95[0453,0704,0905D] *MH95[0703,0904,1 155] Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. WIRING DIAGRAM H I G H V O LTA G E ! D ISCONNE CT ALL PO WER BEFO RE SER VICIN G OR INSTALLING THIS UNIT . M ULTIPLE PO WER SOURCE S MA Y BE PRE SENT . F AILU RE TO DO SO MA Y CAUSE PROP ERTY D[...]

50 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. H I G H V O LTA G E ! D ISCONNE CT ALL PO WER BEFO RE SER VICIN G OR INSTALLING THIS UNIT . M ULTIPLE PO WER SOURCE S MA Y BE PRE SENT . F AILU RE TO DO SO MA Y CAUSE PROP ERTY DAMAG E , PERSO NAL INJURY OR DEATH . WIRING DIAGRAM ACSH96 / [...]

51 GME95 / AMEH96 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. H I G H V O LTA G E ! D ISCONNE CT ALL PO WER BEFO RE SER VICIN G OR INSTALLING THIS UNIT . M ULTIPLE PO WER SOURCE S MA Y BE PRE SENT . F AILU RE TO DO SO MA Y CAUSE PROP ERTY DAMAG E , PERSO NAL INJURY OR DEATH . WIRING DI[...]

52 VENT/ FLUE TEE COMB USTIO N AIR IN TAKE. DIST ANCE B ETW EEN COMBUS TION AI R INTA KE AND GR ADE DIST AN CE BE TWEEN VENT AND G RADE For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth[...]

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56 Quality Makes the Difference! “All of our systems are designed and manufactured with the same high quality standards regard- less of size or efficiency . W e have designed these units to significantly reduce the most frequent causes of product failure. They are simple to service and forgiving to operate. We use quality materials and components[...]