Goodman *MH80453A Series, Installation Instructions Manual

Page 1: ...onsibility to install the product safely and to know it well enough to be able to instruct a customer in its safe use Safety is a matter of common sense a matter of thinking before acting Most dealers...

Page 2: ...VENTED INTO THIS CHIMNEY CHANNEL 15 CHECK 3 CHIMNEY CROWN CONDITION 16 CHECK 4 DEBRIS IN CLEANOUT 16 CHECK 5 LINER CONDITION 16 CHECK 6 DILUTION AIR 16 CHECK 7 COMPLETE THE INSTALLATION 16 FIX 1 LINER...

Page 3: ...RATION 27 FURNACE START UP 27 FURNACE SHUTDOWN 27 GAS SUPPLY PRESSURE MEASUREMENT 27 GAS MANIFOLD PRESSURE MEASUREMENT ANDADJUSTMENT 30 GAS INPUT RATE MEASUREMENT NATURAL GAS ONLY 31 TEMPERATURE RISE...

Page 4: ...SERVICER ONLY 35 IGNITER QUALIFIED SERVICER ONLY 35 BURNERS 35 BEFORE LEAVING AN INSTALLATION 36 REPAIR AND REPLACEMENT PARTS 36 TROUBLESHOOTING CHART 37 BLOWER PERFORMANCE DATA 40 M H S 8 39 D H S8...

Page 5: ...CE CLOSED IN THE EVENT THAT THE BUILDING MAY BE EXPOSED TO FREEZING TEMPERATURES AND WILL BE VACANT ANY HYDRONIC COIL UNITS SHOULD BE DRAINED AS WELL AND IN SUCH CASE ALTERNATIVE HEAT SOURCES SHOULD B...

Page 6: ...and the person at the same electrostatic potential these steps will help avoid expos ing the integrated control module to electrostatic discharge This procedure is applicable to both installed and no...

Page 7: ...Blower Door Interlock Switch Integrated Control Module Transformer Circulator Blower 1 2 3 4 5 6 7 8 9 1 Tubular Heat Exchanger 2 Pressure Switch 3 Flue Pipe Connection 4 Induced Draft Blower 5 Gas Li...

Page 8: ...ransformer 13 Integrated Control Module 14 Blower Door Interlock Switch 15 Circulator Blower 16 Gas Line Entrance Alternate Tubular Heat Exchanger Flue Pipe Connection Gas Line Entrance Alternate Indu...

Page 9: ...he home page Next click on the word Product Registration located on the left side of the Warranty page and complete the forms in the manner indicated on the Product Registration page To register yourA...

Page 10: ...Ventilation Air Requirements Centrally locate the furnace with respect to the proposed or existing air distribution system Ensure the temperature of the return air entering the furnace is between 55 F...

Page 11: ...enting system are not in operation a Seal any unused openings in the venting system Do not connect this furnace to a chimney flue that serves a separate appliance designed to burn solid fuel For count...

Page 12: ...ll the thermostat where it may be influenced by any of the follow ing Drafts or dead spots behind doors in corners or under cabinets Hot or cold air from registers Radiant heat from the sun Light fixt...

Page 13: ...NDUCED DRAFT BLOWER ROTATION Vent the furnace in accordance with the National Fuel Gas Code NFPA 54 ANSI Z223 1 latest edition In Canada vent the furnace in accordance with the National Standard of Ca...

Page 14: ...80 AFUE FURNACE IS VENTED WITHOUT ADEQUATE DILUTION AIR DO NOT CONNECT AN 80 FURNACE TO A MASONRY CHIMNEY UNLESS THE FURNACE IS COMMON VENTED WITH A DRAFT HOOD EQUIPPED APPLIANCE OR THE CHIMNEY IS LIN...

Page 15: ...Solid fuel appliances include fireplaces wood stoves coal fur naces and incinerators Proper Chimney Termination Check 1 Chimney channel free of solid and liquid fuel appliances Check 2 Change venting...

Page 16: ...hrough the draft hood of a natural draft appliance only if the appliance s vent connector does not include a vent damper If dilution air will not be available the chimney must be relined Fix 4 Liquid...

Page 17: ...Flexible liners specifically intended and tested for gas applications are listed in the UL Gas and Oil Equipment Directory UL Standard 1777 CHECK 7 COMPLETE THE INSTALLATION If Checks 1 through 6 hav...

Page 18: ...LECTRICAL WIRING WARNING LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION VERIFY PROPER OPERATION AFTER SERVICING CAUTION HIGH VO...

Page 19: ...upplied wire tabs when rotating junction box to the left side Low voltage wires may be connected to the terminal strip IMPORTANT NOTE To avoid possible equipment malfunction route the low voltage wire...

Page 20: ...by 10 Set the heat anticipator on the thermostat to match this reading Example If the reading on the ammeter is 4 divide this by 10 The anticipator setting will be 4 amps 115VOLT LINE CONNECTION OF A...

Page 21: ...ll altitudes and with either fuel the air temperature rise must be within the range listed on the fur nace nameplate Should this appliance be converted to LP refer to the instructions included in the...

Page 22: ...g piping Use pipe joint compound on male threads only Pipe joint compound must be resistant to the action of the fuel used Use ground joint unions Install a drip leg to trap dirt and moisture before i...

Page 23: ...g its manual shutoff valve before pressure testing of gas sup ply piping system with test pressures equal to or less than 1 2 psig 3 48 kPa PROPANE GAS TANKS AND PIPING IF THE GAS FURNACE IS INSTALLED...

Page 24: ...ct system must be used with the return duct connected to the furnace NOTE Ductwork must never be attached to the back of the furnace For installations requiring more than 1800 CFM use a bottom return...

Page 25: ...er mainte nance with the building owner Filters do not ship with this furnace but must be provided by the installer Filters must com ply with UL900 or CAN ULCS111 standards If the furnace is installed...

Page 26: ...ized on low heat speed following a fixed thirty second blower on delay Electronic air cleaner terminals are energized with circulator blower Furnace is now operating in low stage heating mode Furnace...

Page 27: ...are energized Circulator blower runs integrated control module monitors safety circuits continuously R and G thermostat contacts open completing the call for fan Circulator blower is de energized Ele...

Page 28: ...VALVE PRESSURE REGULATOR CAUTION The line pressure supplied to the gas valve must be within the range specified below The supply pressure can be measured at the gas valve inlet pressure boss or at a h...

Page 29: ...he gas piping drip leg See Honeywell VR9205 gas valve figure or White Rodgers 36G54 gas valve figure for location of inlet pressure boss NOTE If measuring gas pressure at the drip leg or Honeywell VR9...

Page 30: ...at outlet pressure boss plug Honeywell valve or screw White Rodgers valve Bubbles forming indicate a leak SHUT OFF GAS AND REPAIR ALL LEAKS IMMEDIATELY 8 Measure the gas manifold pressure with burner...

Page 31: ...c 3 5 w c Propane Low Stage 5 7 6 3 w c 6 0 w c High Stage 9 7 10 3 w c 10 0 w c Manifold Gas Pressure Gas GAS INPUT RATE MEASUREMENT NATURAL GAS ONLY The gas input rate to the furnace must never be g...

Page 32: ...te for the applicable Specification Sheet referred to in this manual 3 Relocate desired motor leads to the circulator blower heat and cool speed terminals on the integrated control module Terminals ar...

Page 33: ...er door The auxiliary limit control is designed to pre vent furnace operation in case of main blower failure on hori zontal installations It may also open if the power supply is interrupted while the...

Page 34: ...ng any ungrounded object DIAGNOSTIC CHART Refer to the troubleshooting chart in the Appendix for assis tance in determining the source of unit operational problems The red diagnostic LED blinks to ass...

Page 35: ...rack in an upright upflow installation follow the directions provided with external filter rack kit For further details see your distributor INDUCED DRAFTAND CIRCULATORBLOWER MOTORS The bearings in th...

Page 36: ...peration Review the Owner s Manual with the homeowner and discuss proper furnace operation and maintenance Leave literature packet near furnace REPAIR AND REPLACEMENT PARTS When ordering any of the li...

Page 37: ...switch contacts sticking Shorts in pressure switch circuit Inspect pressure switch hose Repair if neces sary Inspect flue for blockage proper length elbows and termination Correct pressure switch setp...

Page 38: ...heck flue and air inlet piping for blockage proper length elbows and termination Correct as necessary Check rollout limit Replace if necessary Check induced draft blower for proper performance Replace...

Page 39: ...and blue wires connected to transformer Turn power OFF prior to repair Normal operation LED is steady on STEADY Furnace not operating Integrated control module diagnostic LED is flashing EIGHT 8 flas...

Page 40: ...85 766 743 730 709 683 666 604 HIGH 4 0 2051 1983 1895 35 1812 37 1725 39 1627 1530 1439 M H S 80904B MED 3 5 1736 38 1708 39 1652 40 1611 41 1540 43 1475 1394 1307 MEDIUM MED LO 3 0 1493 45 1668 40 1...

Page 41: ...4 0 5 Model Heating Speed As Shipped Motor Speed EXTERNAL STATIC PRESSURE Inches Water Column 0 6 Tons AC at 0 5 0 6 0 7 0 8 ESP CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM HIGH 3 0 1353...

Page 42: ...7 37 2297 37 2224 38 2106 40 2014 42 1896 1813 1669 Notes Temperature rise data is based on 2nd stage heat First stage heat is 75 of rise indicated above INSTALLATION IS TO BE ADJUSTED TO OBTAIN TEMPE...

Page 43: ...ARTS MUST BE USED WHEN SERVICING 1 SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0 7 AMPS BLOWER PRIMARY LIMIT WH GR BK IGNITER SURFACE HOT PU RD 15 PIN PLUG C NO SWITCH PRESSURE BR SENSOR FLAME BK WH RO...

Page 44: ...agram on the unit for the most up to date wiring M D H S8 WIRING DIAGRAM HIGH VOLTAGE D ISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT M ULTIPLE POWER SOURCES MAY BE PRESENT F AILURE TO...

Page 45: ...WHITE PU TO 115VAC 1 60 HZ POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE JUNCTION BOX SWITCH LINE H DOOR L GND LINE N DISCONNECT N SWITCH TEMP FIELD SPLICE SWITCH PRESS PROT DEVICE OVERCURRENT EQUI...

Page 46: ...HES PRESSURESWITCHSTUCKOPEN 2FLASHES PRESSURESWITCHSTUCKCLOSED STEADYON NORMALOPERATION OFF CONTROLFAILURE 5 1FLASH 0 1 2 3 4 PU 6FLASHES OPENROLLOUTOROPENFUSE COLORCODES PUPURPLE OR ORANGE YL YELLOW...

Page 47: ...R ORANGE YL YELLOW 6 7 8 BKBLACK GRGREEN BRBROWN PKPINK RD RED GYGRAY BLBLUE WH WHITE PU OVERCURRENTPROTECTIONDEVICE JUNCTIONBOX MUSTBE WARNING SWITCH WIRINGTOUNIT BEFORESERVICING DISCONNECTPOWER LINE...

Page 48: ...s are designed and manufactured with the same high quality standards regardless of size or effi ciency We have designed these units to significantly reduce the most frequent causes of product failure...