ICP N9MP2125J20A1, Installation Instructions Manual

Page 1: ...des In the United States follow all safety codes including the current edition National Fuel Gas Code N FGC NFPA No 54 ANSIZ223 1 In Canada refer to the current edition of the National Standard Canada...

Page 2: ...H Downfiow Horizontal MP Multiposition Upflow Downflow Horizontal Major Design Feature One Single Pipe 2 Two Pipe D I or2Pipe L Low NOx Denotes Brand N Single Stage P PVC Vent T Two Stage V Variable S...

Page 3: ...d Size Fan Time ON Setting Fan Time OFF Setting Manual Gas Shut Off Upstream of Furnace Drip Leg Condensate Drain Connected YES _1 NO _1 YES _1 NO _1 NO_1 Condensate Drain Trapped YES _ Transition Pre...

Page 4: ...C To ensure safe and efficient operation of your unit you should do the the following 1 Thoroughly read this manual and labels on the unit This will help you understand how your unit operates and the...

Page 5: ...ired Refer to Figure 4 for typical horizontal direct vent installation and basic connecting parts required Supply and return air plenums and duct are also required If furnace is a replacement it is us...

Page 6: ...125J20A N9MP2050B12A N9MP2075B12A N9MP21OOF14A NgMP2100J20A NgMP2125J20A 9MPD05OF12A 9MPD075F12A gMPD100J14A gMPD100J20A 9MPD125L2OA Cabinet Bottom D 125 8 125 8 143 4 183 4 183 4 125 8 125 8 143 4 18...

Page 7: ...t side For horizontal installa tions the drain trap is vertically attached to the side panel below the furnace A minimum clearance of 5 below the furnace is re 440 01 101004 quired for the condensate...

Page 8: ...located and other spaces of the building Vent Pipe _ I A Draft Hood Typical Gas Water Heater Matc I I I 1 7 After it has been determined that each appliance vents properly return doors windows applian...

Page 9: ...nce 2 Total Input 100 000 30 000 130 000 4 000 32 5 Sq In Vertical Appliance 1 Appliance 2 Total Input 100 000 30 000 130 000 2 000 65 Sq In Horizontal One permanent opening commencing within 12 of th...

Page 10: ...al injury and or property damage Installations in certain areas or types of structures will increase the exposure to chemicals or halogens that may harm the fur nace The following areas or types of st...

Page 11: ...n vertical portion of the vent Condensate will be trapped in the vent if the vent diameter is increased prior to having an elbow turned upward This could cause nui sance tripping of the pressure switc...

Page 12: ...vent furnace intake 6 In Canada the Canadian Fuel Gas Code takes prece dence over the preceding termination instructions Vent Termination Clearances United States Only OtherThan OtherThan DirectVeflt...

Page 13: ...e furnace using the two screws and gasket that are provided If needed remove the hole plugs from the fur nace side panel and relocate to the open set of holes in the oppo site side panel Drill two 7 6...

Page 14: ...clamps tightly to prevent condensate leakage Mount the condensate drain trap in a vertical position to the left side of the furnace using the two screws and gasket that are pro vided Note The condensa...

Page 15: ...template Route the pressure switch hose to the lower stub on the plastic transition box Cut off excess hose and discard Connect the pres sure switch hose to the lower stub on the plastic transition bo...

Page 16: ...ve 90 elbow and rubber tubing from the vent fitting by loosening the clamp on the vent fitting Securely attach vent fitting to combustion blower NOTE The vent fitting MUST be installed with the airflo...

Page 17: ...ched to the combustion blower using the rubber coupling and clamps NOTE The vent fitting MUST be installed with the airflow marking arrow pointed toward the vent pipe with the drain stub at a 20 to 30...

Page 18: ...transition box Re move the four 4 screws that secure the blower to the transition box Rotate the blower 180 so the blower snout is pointing up and secure with the four 4 screws Use caution to not over...

Page 19: ...the airflow marking arrow pointed toward the vent pipe Plug the left drain stub on the vent fitting with the rubber plug Use a blunt pointed screwdriver to push the plug into the stub Remove the pres...

Page 20: ...e blower transition box Rotate the blower 180 and secure with the four 4 screws Use caution to not over tighten the screws to prevent stripping out of the plastic mounting holes Plug the upper drain s...

Page 21: ...eded remove the 3 hole plug from the furnace panel and relocate to the open hole in the furnace panel See Figure 8 through Figure 15 The vent pipe grommet is sized for 2 PVC pipe install the vent pipe...

Page 22: ...nal injury and or property damage Install all couplings nipples and elbows using proper pro cedures for Joining Pipe and Fittings and maintain spac ing between vent and combustion air piping as indica...

Page 23: ...unprotected surfaces Sealing or shielding of the exposed surfaces with a cor rosion resistant material such as aluminum sheeting may be re quired to prevent staining or deterioration The protective m...

Page 24: ...d or property damage BTUH BTUH Natural LP Standard Alternate Gas Gas Rating Rating Orifice Orifice 50 000 40 000 44 55 75 000 60 000 44 55 100 000 80 000 44 55 125 000 100 000 44 55 NOTE The rating pl...

Page 25: ...ressureAdjustment NOTE Make adjustment to manifold pressure with burners oper ating Fire or explosion hazard Turn OFF gas at shut off before connecting manometer Failure to turn OFF gas at shut off be...

Page 26: ...y damage iiiii_ i_iiiiii ii ii iiiiiii iii iiiiii_iii iiiiiiiiiiiii iii iiiiiiiiiiiiiiiiiiiiiiii i Typical Gas Piping for Upflow NOTE Main burner orifices can be changed for high altitudes 1 Disconnec...

Page 27: ...t Vent models install the gas pipe grommet to the furnace side panel with the gas pipe entry If needed remove the 2 hole plug and relocate to the open hole in the furnace side panel 4 Use black iron o...

Page 28: ...included with thermostat for correct mounting and wiring Low voltage connections to furnace must be made on terminal board to fan control Set thermostat heat anticipator in accordance with the Technic...

Page 29: ...arate evaporator and blower units are used install good sealing dampers for air flow control Chilled air going through the furnace could cause condensation and shorten the furnace life NOTE Dampers fi...

Page 30: ...2 insulation and vapor barrier 2 Insulate ductwork in indoor unconditioned areas with a minimum of 1 insulation with indoor type vapor barrier Filters A Filter must be used Filters are not supplied wi...

Page 31: ...cool position A 3 clearance is required on the right side of the furnace in order to run the condensate drain line Copper iron or plastic tubing may be used for the condensate drain line DownflowFurn...

Page 32: ...Outside Dimension Base Spacer Side To Side 3 Set the base over the opening in the floor centering it over the opening Fasten the base to the floor with screws or nails See Figure 35 Figure 36 and Figu...

Page 33: ...Gas PressureAdjustment NOTE Make adjustment to manifold pressure with burners oper ating Fire or explosion hazard Turn OFF gas at shut off before connecting manometer Failure to turn OFF gas at shut o...

Page 34: ...d on all models Change the heat or cool blower motor speed by removing the motor lead from the Heat or Cool terminal and re place it with the desired motor speed lead from the Un used Motor Lead locat...

Page 35: ...gins to warm up After the pilot lights the main burners energize and light Timed from the opening of the main gas valve the control wil delay 30 seconds before switching the fan to Heat speed W signal...

Page 36: ...le count exceeded Last failure was Limit Circuit Opened During Run 7 Flashes Soft Lockout Due to Limit Trips Taking Longer than 2 minutes to Reset Auto Reset After 1 Hour if Call for Heat Still Presen...

Page 37: ...CULATING BLOWER OFF AFTER DELAY V I WA T FOR PRESSURE SW TOHES TO OPEN I COMBUSTION BLOWER DE ENERGIZED FIVEMINUTEWAITPERIOD I THREE SECOND FLAME _ FAILURE RECYCLE DELAY YES I PILOTVALVECLOSES PILOTIG...

Page 38: ...heat speed after the ON delay Soft Lockout Failed to light pilot during 90 sec trial for ignition Combustion air blower is de energized Circulating blower is de energized after the OFF delay After 5...

Page 39: ...mbustion air blower is de energized Circulating blower is de energized after the OFF delay After5 minute delaytime controlsystemwill resetandinitiatea new ignitionsequence Soft Lockout Blowerfailure t...

Page 40: ...vent pipes must attach to the termination kit The termination kit must terminate outside the structure and must be installed per the instructions outlined below for vertical or horizontal termination...

Page 41: ...n ing Pipe and Fittings section of the manual A Cement the Y Concentric fitting to the 4 diameter kit pipe See Figure 45 B Cement the 3 rain cap to the 21 2 diameter kit part See Figure 45 NOTE A fiel...

Page 42: ...Field Supplied Combustion Air ent _d d_ Flush to 1 max 25 22 02 Note Securing strap must be field installed to prevent movement of ter mination kit in side wall 8 Install the rain cap and the small di...