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Summary of Contents for H9MPX

Page 1: ...Piping 32 Electrical Wiring 37 Ductwork and Filter 38 Checks and Adjustments 41 Furnace Maintenance 43 Sequence of Operation Diagnostics 44 Wiring Diagram 9MPX 46 Technical Support 47 Use of the AHRI...

Page 2: ...ented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state o...

Page 3: ...rned ON Type of Gas Natural Lj Filter Type and Size Propane Lj Calculated Firing Rate See Checks and Section Heating Check Measured Line Pressure when Firing Unit Measured Manifold Gas Pressure Temper...

Page 4: ...s could result in personal injury death and or property damage This furnace is not designed for use in mobile homes trailers or recreational vehicles CUT HAZARD Failure to follow this caution may resu...

Page 5: ...This will help you understand how your unit operates and the hazards involved with gas and electricity 2 Do not use this unit if any part has been under water Immediately call a qualified service tech...

Page 6: ...onal injury or death Do NOT operate furnace in a corrosive atmosphere containing chlorine fluorine or any other damaging chemicals which could shorten furnace life Refer to Combustion Ventilation Air...

Page 7: ...w this warning could result in personal injury or death Do NOT operate furnace in a corrosive atmosphere containing chlorine fluorine or any other damaging chemicals which could shorten furnace life R...

Page 8: ...furnace the vent pipe attaches to the furnace through the side panels The combustion air pipe attaches to the top panel or to the alternate location on the side panel On the Single Pipe furnace the ve...

Page 9: ...vaporator A coil drain pan dimensions may vary from furnace duct opening size Always consult evaporator specifications for duct size requirements Furnace is designed for bottom return or side return R...

Page 10: ...ctions 8 2 8 3 8 5 8 6 8 7 and 8 8 of National Standard of Canada Natural Gas and Propane Installation Code NSCNGPIC CSA B149 1 05 in Canada 3 Applicable provisions of the local building code This fur...

Page 11: ...t outdoor opening is used the opening a 1 sq in of free area per 3 000 BTUH 7 cm2 kW for combined input of all gas appliances in the space see Table 1 and b not less than the sum of the areas of all v...

Page 12: ...680 47 04 2 100 58 8 1 500 42 2 250 63 3 000 84 3 750 105 2 100 58 8 2 625 73 5 1 875 52 5 2 813 78 8 3 750 105 4 688 131 3 2 800 78 4 3 500 98 2 500 70 3 750 105 5 000 140 6 250 175 4 200 117 6 5 250...

Page 13: ...ppliances IF REQUIRED based on good trade practices local codes and good judgement of the installer Manufacturer does NOT take responsibility for modifications made to existing equipment CARBON MONOXI...

Page 14: ...VC F44t F442 F438 F493 ABS to D3138 PVC NOTE 1 In Canada all pipe fittings cements must conform to applicable CSA standards or to local codes having jurisdiction 2 Only use solvent cements that are ma...

Page 15: ...e combustion air inlet piping when run in warm humid spaces SizingCombustionAir andVent Pipe Consult Table3 select the proper diameter exhaust and combustion air piping Exhaust and combustion air pipi...

Page 16: ...ent orother appliance sdirectvent intake orexhaust N Clearanceto thevent terminalof a dryervent water heater 3 91cm 3 91 cm vent orother appliancesdirectvent intake orexhaust O Clearancefrom a plumbin...

Page 17: ...r vent orother appliance sdirectvent intake orexhaust N Clearanceto thevent terminalof a dryervent water heater vent orother appliancesdirectvent intake orexhaust O Clearancefrom a plumbingventstack P...

Page 18: ...main in the furnace between the door switch plate and the blower shelf Figure 10 during operation See Figure 20 for proper routing and installation of the overflow Fi_ _0 i iI Drain Tube Clip Location...

Page 19: ...from loose parts bag as shown in the illustration above Cut the black drain tube 5 8 15 9mm ID in loose parts bag to length to fit between trap and tube connector through grommet Clamp both ends of t...

Page 20: ...nd tube connector through grommet Install Vent Pipe grommet in side of casing Clamp both ends of the drain tube using clamps provided Cut an appropriate length of 2 50 8mm PVC pipe long enough to exit...

Page 21: ...stic 1 2 12 7mm OD barbed coupling and a suitable section of 1 2 12 7mm ID hose to make the connection Secure all connections with clamps Connect the 3 16 4 8mm ID relief tube from the small port on t...

Page 22: ...t the trap externally to the right side of the unit using the two 2 screws provided Connect the corrugated drain tube from the transition box to the trap as shown If an extension is required use the b...

Page 23: ...drain to the trap Secure all connections with clamps Install the vent pipe grommet into the casing Cut an appropriate length of 2 50 8mm PVC pipe long enough to exit the cabinet and connect the vent d...

Page 24: ...n shown Cut the corrugated tube as shown in the illustration above Connect the corrugated hose from the transition to the trap Secure connections with clamps Remove the black 1 2 12 7mm ID drain tube...

Page 25: ...rt on the trap If an extension is required use the 3 16 4 8mm OD flexible tubing connector and the black 3 16 4 8mm ID relief tube in the loose parts bag Cut tube to length Cut an appropriate length o...

Page 26: ...orrugated tube as shown in the illustration above Connect the corrugated hose from the transition to the trap Secure connections with clamps Connect the black 1 2 12 7mm ID drain tube from the Vent Dr...

Page 27: ...ed use the 1 2 12 7mm OD barbed coupling and the black 1 2 12 7mm ID drain tube in the loose parts bag Cut tube to length Secure connections with clamps Connect the 3 16 4 8mm ID relief tube to the mi...

Page 28: ...e vent and combustion air piping from the furnace to the vent termination Do not cement the pipe joints until the pipe preassembly process is complete Combustion Air Pipe Connection Dual Certified or...

Page 29: ...and insert pipe into fittings with a slight twisting movement until it bottoms out NOTE Cement MUST be fluid while inserting pipe If NOT recoat pipe 4 Hold the pipe in the fitting for 30 seconds to pr...

Page 30: ...oof termination should be sealed with a plumbing roof boot or equivalent flashing The inlet of the intake pipe and end of the exhaust vent must be terminated no less than 12 307 8mm above the roof or...

Page 31: ...I jjZ _ 20 6 1m Max _ __ __ i j j 18 457 2mm lin for Cold Climates 12 304 8mm Min Sustained 0 F 17 C and below for Grade or Snow Level 24 hours or moreconsecutivehours j jJJ_ Dimension A is touching o...

Page 32: ...Propane gas NOTE The rating plate is stamped with the model number gas type and gas input rating Gas Supply Requirements Gas supply pressure should be within minimum and maximum values listed on ratin...

Page 33: ...warning could result in personal injury death and or property damage A flexible corrugated metal gas connector must be properly installed shall not extend through the side of the furnace and shall not...

Page 34: ...Propane gas is recommended PropaneConversion An accessory kit shall be used to convert to propane gas use see the furnace rating plate for the Propane conversion accessory kit part number FIRE EXPLOSI...

Page 35: ...S MANIFOLD PRESSURE in wc HEATING FURNACE MEANELEVATION FEETABOVESEALEVELft m VALUE INPUTBTU 0 to 2000 2001 to 30001 3001 to 4000 4001to 5000 5001 to 6000 6001 to 7000 7001to 8000 BTU CU FT BURNER 0 t...

Page 36: ...anifold Ensure burners do NOT bind on new orifices NaturalGas InputRatingCheck SEE CHECKS AND ADJUSTMENTS Natural Gas Input Rating Check in this manual Changing Orifices iiiiiiiiiiiiiiiiiiiiiiiiiiiiii...

Page 37: ...ing Low voltage connections to furnace must be made on terminal board of furnace control When using a nonelectronic thermostat the thermostat heat anticipator must be set to match the amp draw of the...

Page 38: ...ce or air conditioning operation unless damper is in the full heat or cool position CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death Cool air pa...

Page 39: ...20 90 FilterInstallationusing OptionalFilterRack When installing or removing a bottom mounted filter slide the two side filter clips to the back of the furnace BEFORE installing or removing This will...

Page 40: ...ening in the floor according to Table 8 The hole in the floor must be cut to the dimensions listed in Table 8 since the base is equipped with locating tabs that center the base over the opening The op...

Page 41: ...llation of the condensate drain See Figure 44 Checks and Adjustments NOTE Verify the input rate of the furnace FIRE OR EXPLOSION HAZARD Failure to follow this warning could A 3 76 2mm clearance is req...

Page 42: ...econds Cubic Foot in BTU Content Hour Per Hour Seconds 1 000 3 600 48 75 000 1 000 x 3 600 48 75 000 BTUH TO Determine the appliance kW input rate from a 05m 3 test dial that has been clocked at 80 se...

Page 43: ...t will be necessary to tape off the terminal of the motor speed lead removed from the Heat or coor terminal with electrical tape since an open terminal will not be available at the Unused Motor Lead l...

Page 44: ...Fan demands from furnace control for heat cool or G will override hard wired speed tap NOTE 3 EAC is NOT active for hard wired mode but IS active for fan demands from furnace control for heat cool and...

Page 45: ...Error 1 hr delay If code repeats immediately following power reset then replace control 1 Flash Not used 2 Flashes Pressure switch es closed when should be open 3 Flashes Pressure switch open when sho...

Page 46: ...connected to furnace sheet metal for control to 4 Symbols are electrical representation only GREEN YELLOW 5 Solid lines inside circuit board are printed circuit board traces and are not depicted as sh...

Page 47: ...ional Comfort Products LLC Lewisburg TN 37091 U S A Models Dual Certified 9M PX060F 12A2 9M PX080J 12A2 9M PX080J 16A2 9M PX100L20A2 Denotes Brand Save This Manual For Future Reference 440 01 105103 S...

Page 48: ...art No Blower Switch Pressure Close in wc Pa Blower Switch Pressure Open in wc Pa Transition Switch Pressure Close in wc Pa Transition Switch Pressure Open in wc Pa High Altitude Pressure Sw Part No B...

Page 49: ...on Bottom Only or One Side return 2 Gray area is above maximum temperature rise range CFM Cubic Feet Per Minute airflow Filter required for each return air inlet Airflow performance includes 1 25 4mm...

Page 50: ...ibutor or branch for information or assistance The qualified installer or agency must use only factory authorized and listed kits or accessories when modifying this product PRODUCT NOMENCLATURE 9 Bran...

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