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N9MP1 & N9MP2 *9MPD

1. im Elbows Tubes 2 amp Clamps Black 15 ID loose parts bag Barbed Coupling 1 OD loose parts ba H 9 Drain Line Vent Tee 3 4 PVC or Man CPVC Field supplied 3 4 X gt CPVC Loose parts bag Casing Grommet NOTE Built in channel will be angled 5 to 10 also All Models Vent thru Right Side See Figure 10 Disconnect the black Drain Tube between the drain vent and the Trap Rotate the inducer 180 for a right side vent after loosening the 4 inducer attachment screws Reinstall and retighten the inducer screws to 20 pounds torque Using the 1 5 OD barbed coupling in the loose parts bag connect together with the 2 short 1 gt ID elbow tubes and connect the lower discharge portofthe ventdrain to the Trap Secure allconnections with clamps Install the vent pipe grommet into the casing Cutan appropriate length of 2 PVC pipe long enough to exit the cabinet and connect the vent drain to either e Standard field supplied 2 PVC tee N9MP1 and 2 mod els or e A2 PVC coupling fastened onto the Drain Tee 9MP D models Install Tee Trap into bottom section of Tee Remove plug from the side of the furnace casing where Drain Tube will exit 440 01 1020 02 Black Rubber 5 5 CPVC Loose parts bag 25 24 44 Install casing grommet black rubber 2 8 ID grommet in loose parts bag
2. EX I NT o CPVC Field supplied Drain Tube amp Clamps Black Rubber 5 8 ID 25 24 42 Cutlength to fit Loose parts bag Upflow Installations Top Vent See Figure 8 Remove plug fromthe side ofthe furnace casing where Drain Tube will exit Install casing grommet black rubber 5 8 ID grommet in loose parts bag Install the 1 5 CPVC street elbow on discharge of Trap Install the black PVC tube connector 3 4 PVC x 1 5 CPVC from loose parts bag as shown in the illustration above Cutthe black Drain Tube 8 ID in loose parts bag to length to fit between Trap and tube connector through grommet Clamp both ends of the Drain Tube using clamps provided 440 01 1020 02 Glue the CP VC streetelbow to the Trap using appropriate cleaner and solvent cement Connectthe Tee trap and the main drain line exiting the casing as shown Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fitup and inspected before final cementing Trap mustbe primed before operation Verify all condensate drain connec tions are securely clamped A coupling and clamps in loose part bag may be installed as shown forfuture servicing ofthe ventsys tem Upflow Installations Vent thru Left Side Yellow or black Plastic Cap 2 PVC Coupling Coupling amp Clamps On Some Models ONLY
3. 1013165 0 7 0 6 14 12 11 10 10 1050 PSC IJ 10 370 16x25x1 12 331 NAHFOO2LP 1009509 11 10 13 900 5 40 370 16x25x1 3 4 4 5 115 60 11 2 Nat HW SV9541M HW 579160 30 60 100 140 180 1013166 13 11 18 1 6 1013157 0 9 0 7 14 1 5 11 10 13 900 5 3 40 370 16x25x1 31 4 44 5 NAHF002NG 1009510 440 01 1020 02 Manufacturers Number Mfr No See Rating Plate ALL Models Specifications 9 2 N9MP2050B 12B N9MP2075B 12B N9MP2080F 16B N9MP2100F 14B N9MP2100J 208 9 2125 20B General Gas Type Input Btuh Output Btuh Transformer Size VA T stat Heat Anticipator Temp Rise F Nat LP 50 000 45 500 40 10 35 65 Nat LP 75 000 68 000 40 10 40 70 Nat LP 80 000 72 000 40 10 35 65 Nat LP 100 000 91 000 40 10 40 70 Nat LP 100 000 96 500 40 10 40 70 Nat LP 125 000 113 750 40 10 40 70 Electrical Volts Hz F LA Gas amp Ignition Gas Type Gas Valve Regulation Type IgnitionType S eries Manifold Press Inch s WC Std Main Orifices No Size Pilot Orifice S ize Fan Controls Fan Control Type Fan Control Timed secs Combustion Flue Outlet Size Inches Std Outlet Temp 5 No Elbows Blower Pressure 5 No Elbows WC Blower Pressure 40 5 90 DWV Elbows WC Transition Bx Pressure 5 No Elbows WC Transition Bx
4. 33a Do NOT operate furnace in a corrosive atmosphere containing chlorine fluorine or any other damaging chemicals Refer to Combustion amp Ventilation Air section Contaminated Combustion Air for combustion air evaluation and remedy Installation Requirements 1 2 Install furnace level This furnace is NOT to be used for temporary buildings or structures under construction Install the vent pipes as short as practical See Gas Vent Installation section Do NOT install furnace directly on carpeting tile or other com bustible material other than wood flooring Maintain clearance for fire safety and servicing A front clear ance of 30 is minimum for access to the burner controls and filter See clearance requirements in Figure 3 or Use a raised base if the floor is damp or wet at times Residential garage installations require e Burners and ignition sources installed atleast 18 457 mm above the floor e Furnace must be located or physically protected from pos sible damage by a vehicle If the furnace is to be suspended from the floor joists in a base ment ora crawl space or the rafters in an attic itis necessary to use steel pipe straps or an angle iron frame to attach the fur nace These straps should be attached to the furnace with sheet metal screws and to the rafters or joists with bolts The 440 01 1020 02 preferred method is to use an angle iron frame bo
5. Either Drain Tee field supplied 2 PVC Tee Dual Pressure Switch Detail Vent Drain amp Clamps hg ID Rubber Tube Tee Trap White PVC loose parts bag 1 3 ID Drain Tube Black Move from bottom of drain tee if installed Drain Connector Black PVC 3 4 PVC X 1 CPVC Loose parts bag Casing Grommet Black Rubber SIDE VIEW COOL o 5a ID Loose parts bag NOTE Built in channel will be angled 5 to 10 also Drain Line Vent Tee 3 4 PVC or 1 2 CPVC Field supplied 25 24 43 Upflow Installations Vent thru Left Side See Figure 9 Remove Drain Tee from inducer discharge and remove black Drain Tube 1 ID from bottom of Drain Tee 9MPD models only Install Vent P ipe grommet in side of casing Cutan appropriate length of 2 PVC pipe long enough to exitthe cabinet and connect the vent drain to either standard field supplied 2 PVC tee N9MP 1 and 2 models or e A2 PVC coupling fastened onto the Drain Tee 9MP D mod els Install Tee trap into bottom of tee Install the 1 2 CPVC street elbow on discharg
6. 9 22 ALON T3dON NO 5914935 Z OL 4 HOLIMS JYNSSIJYd L 1 HOLIMS HOLIMS OO H3INI NO xog NOLLOSNNOO WaLNAN ZHO9 AS LL LOH HOLIMS LNOTION 77 Ta e NN 91315 SNIOIAH3S 3304338 LO3NNOOSIG Ee MOOHS IWOINLOATS ONINSHVM AVHOVIO HEAT ON DELAY 30 SEC O FACTORY SETTING COOL ON DELAY 5 SEC COOL OFF DELAY 90 SEC 440 01 1020 02 2 N9MP1 N9MP2 or 9MPD 25 23 95 e DE SC My WW VM oo Replacement Parts N9MP1 amp N9MP2 Models N9MP1050B12B1 N9MP1075B12B1 9 1080 16 1 N9MP1100F14B1 9 1100 20 1 6 N9MP1125J 20B1 N9MP2050B12B1 N9MP2075B12B1 9 2080 16 1 N9MP2100F14B1 N9MP2100J 2081 amp N9MP 2125 2081 Natural Gas Replacement part supplied will be current active part For parts notlisted consult place of purchase Se mm Vous Vous Ne Geh ech Number 0508 0758 0806 100F 100 125 0508 0758 080 100 109 125 1 Heat Exchanger Primary 1012847 1 1 1012851 1 1 1012855 1 1 1 1 1012856 1 1 1012859 1 1 2 Heat Exchanger Secondary 1013760 1 1 1013761 1
7. 1 1013764 1 1 1 1 1013765 1 1 1013766 1 1 3 Motor Blower 1009052 1 1 1 1 1013341 1 1 1 1 1011906 1 1 1 1 4 Mount Motor kit 1013379 1 1 1 1 522020024 1 1 1 1 1 1 1 1 5 Wheel Blower 1013011 1 1 1 1 1011420 1 1 1 1 1 1 1 1 6 Transformer 1012722 1 1 1 1 1 1 1 1 1 1 1 1 7 Capacitor 10Mfd 370V 1171729 1 1 1 1 7 5M fd 370V 1171728 1 1 1 1 40Mfd 370V 1171982 1 1 1 1 8 Control Fan Timer 1014460 1 1 1 1 1 1 1 1 1 1 1 1 9 Switch Interlock 1171981 1 1 1 1 1 1 1 1 1 1 1 1 10 Switch Pressure 1013802 1 1 1 1 1 1013811 1 1 1013801 1 1 1 1013166 1 1 11 Blower Exhaust J akel 1014338 1 1 1 1 1 1014341 1 1 12 Gas HSP Nat 1013350 1 1 1 1 13 Burner Pilot HSP 1008731 14 Igniter Sensor HSP 1009524 15 Orifice Burner 42 Nat 1011351 44 Nat 1011352 16 Switch Limit Rollout 1013102 17 Burner Assembly 1008723 1008724 1008725 1008726 1 1 18 Switch Limit Main 34335001 1 5 2 2 2 5 1 2 34335002 1 5 1 z z 1320361 1 1 1 1 p 1008445 2 E e 1 e 8 1 1320367 s i 1 gt 1 19 Orifice Pilot 018 503211
8. 8 Min 20 18 Min for Cold Climates 4 KS Sustained Below 0 12 Min Grade or ee Snow Level Dimension A is touching or 2 maximum separation Sidewall Inlet Vent and Exhaust Air Termination with Exterior Risers 18 Min for Cold Climates Sustained Below 0 F 2 1 T 12 Min Grade or Snow Level SS Dimension A is touching or 2 maximum separation 440 01 1020 02 Rooftop Inlet Vent and Exhaust Air Termination _ 18 Min for Cold Climates Eo Sustained Below 0 F 12 Min T Grade or Snow Level L Exhaust 25 22 43 Recommended Alternate Installation for Sustained Cold Weather 0 F amp below Figure 27 OVERHANG 12 MIN EXHAUST 12 MIN Ground Level Mer Snow Level SIDE VIEW FRONT VIEW 2 sareret Space 25 23 73 5 Gas Supply and Piping A WARNING CARBON MONOXIDE POISONING FIRE AND EX PLOSION HAZARD Failure to follow these instructions can result in death personal injury and or property damage Models designated for Natural Gas are to be used with Natural Gas ONLY unless properly converted to use with LP gas NOTE The rating plate is stamped with the model number gas type and gas input rating In addition models manufactured for sale in Canada have orifice size information stamped on the rating plate Alternate BTUH Input Ratings
9. in same b atmospheric zone lt gH Coupling on ends of exhaust pipe Total pipe amp coupling out side structure 8 rcm Inlet Pipe not used Single Pipe model Lt 20 ent Pipes MUST be Supported Horizontally land Vertically in SE zon Increase minimum from 8 to 18 for cold climates sustained temperatures below 0 F 25 23 33 440 01 1020 02 Typical Downflow Installation See Vent Termination Shielding in VentS ection Vent Pipes MUST be supported Horizontally and Vertically Coupling on inside and outside of wall to restrain vent pipe 8 Min 20 Max in same 8 atmospheric zone Inlet Pipe not used on Single Pipe model eco n dl same atmospheric zone VENT PIPE des Increase minimum from 8 to 18 for cold climates sustained temperatures below 0 F 25 23 WARNING DEATH PERSONAL URY AND OR PROPERTY DAMAGE HAZARD Failure to properly install this furnace can result in death personal injury and or property damage
10. required to complete the installation Figure 46 Concentric Vent Dimensional Drawing Figure 44 Kit Components B PVC Vent Exhaust Kit Contents 3 Rain Cap or 2 Rain Cap 3 Diameter SDR 26 Pipe 191 Long or 4 4 Diameter SDR 26 Pipe 371 5 Long 2 Diameter SDR 26 Pipe 315 5 Long or 21 Diameter SDR 26 Pipe 24 Long 3 Y Concentric Fitting or 2 Y Concentric Fitting 3 or 4 Dia B 2 or 21 2 Dia 3 E Dia Y Concentric Fitting SDR 26 Pipe ain Cap 25 22 03 Vertical amp Horizontal Termination D 25 22 03 2 or 3 Dia EE ET LUE Ee 4 217 3 Dimension will change accordingly as dimension D is 1 Determine the pipe diameters required for the installation lengthened or shortened from Table 10 and Table 11 and Figure 46 Dimension D may be lengthened to 60 may also be 2 Determine the best location for the termination kit See shortened by cutting the pipes provided in the kit to 12 Figure 45 for vertical termination or Figure 45 and minimum Figure 49 for horizontal termination Roof termination is preferred since it is less susceptible to damage has re duced intake contaminants and less visible vent vapor For Concentric Termination Kit side wall termination consideration should be given to 1 Table 10 001 amp NAHAOO02CV Venting
11. thin precautions printed on containers For applications below 32 F use only low temperature type solvent cement 1 Cut pipe end square remove ragged edges and burrs Chamfer end of pipe then clean fitting socketand pipe joint of all dirt grease or moisture NOTE Stir the solvent cement frequently while using Use a natu ral bristle brush orthe daubersupplied with the cement The proper brush size is one inch 2 After checking pipe and socket for proper fit wipe socket and pipe with cleaner primer Apply a liberal coatof primerto inside surface of socket and outside of pipe Do NOT allow primer to dry before applying cement 3 Applyathin coatof cementevenly in the socket Quickly ap ply a heavy coat of cement to the pipe end 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 prevent the ta pered socket from pushing the pipe out of the fitting 5 Wipe all excess cement from the joint with a rag Allow 15 minutes before handling Cure time varies according to fit temperature and humidity Connecting Vent Pipes and Termination NOTE Combustion air intake and vent MUST terminate in the same atmospheric pressure zone If installation is in a cold climate sustained temperatures below 0 F increase the minimum dis tance between vent pipe and air intake from 8
12. Cut the corrugated tube as shown in the illustration above Con nect the corrugated hose from the transition to the Trap Secure connections with clamps Remove the black 5 ID Drain Tube from the Drain Tee Installa yellow cap and clamp over the open drain port of the Drain Tee Connect the black 1 5 ID Drain Tube from the Vent Drain to the Trap Secure connections with clamps Connect the 3 16 ID relief tube to the middle porton the Trap If an extension is required use the 3 16 OD flexible tubing connector Drain Tube Black 5 5 ID Corrugated Cut at straight section Leave room for clamp Cut Here 25 24 47 and the black 3 16 ID relief tube in the loose parts bag Cuttube to length Secure all connections with clamps Cutan appropriate length of 2 PVC pipe long enough to exitthe cabinet and connect the vent drain to either e Standard field supplied 2 PVC tee N9MP1 and 2 mod els or A2 PVC coupling fastened onto the Drain Tee 9MPD models Install Tee Trap into bottom section of Tee Connectthe Tee trap and the main drain line exiting the casing as shown in Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fitup and inspected before final cementing Both the ex ternal Trap and the external Tee Trap must be primed before operation Verify all condensate drain connections are securely clamped A coupling and clamps in loose part bag may be insta
13. G3 TIVLSNI LON SI HOLIMS 553 SSH EV EE A MOTA Quvog LINOHIO 4140 LIM AHOSS3OOV H31dVQV A3NWIHO JHL SV SIM TVNIOIHO IHL JO dl M 3LIHM 91315 39VETOA SSA8 N3HM 1 A3OLOVJ Z SOVLIOA lVISOWH3SHI E 39NVHO 91315 SOVLIOA OV SHL NI HOLIMS 3H0SS3Hd HO LON GF Ndduo5 AUOJIOVJ J3OVLTOA LIWITN3dO NV 30 53015 HLO8 NO SISSVHO OL gt NMONS IHA 3ONVHO SLIOA 91 51 TIM SL LIOA 150 1 4 ow amia IHoovi8 ALON pe m 8 ove Saooavrasue META 405555 2007 E e IVLSOWYSHL KINO S730ON d HOLIMS 3dunssaud 1 180 SEC s13aow SWOS c ALON NO JOH1NOO S3lH3S NIZOLI 3ovNund HOLIMS SYNSSAYd 5 sid LE Eed IWIT NIVI NE YOLOW NO 31438 OLI L HOLIMS LNOTION 5 140 SEC HEAT OFF DELAY 100 SEC ke Q E e REI N MOLOW see aala SS a LU 2 gt E D Z 2 lt LL i S1SGOW d HOLIMS d1 d SYOLONGNOD H3ddOO YOLON LR
14. Tempstar only 1014192 1 Comfortmaker Keeprite only 1014152 1 1 Comfortmaker Keeprite only 1014167 1 1 Comfortmaker Keeprite only 1014189 Heil Arcoaire only 1014262 1 1 Heil Arcoaire only 1014263 1 1 Heil Arcoaire only 1014264 1 M Bracket Door Filler 1013680 1 1 1013681 1 1014494 1 Door Front Tstar only 1014154 1 1 Tstar only 1014169 1 1 Tstar only 1014191 1 Cmaker Keeprite only 1014151 1 Cmaker Keeprite only 1014166 1 Cmaker Keeprite only 1014188 1 Heil Arco only 1014265 1 1 Heil Arco only 1014266 1 1 Heil Arco only 1014267 1 440 01 1020 02 Replacement Parts 9MPD Models 9MPDO50F 1281 9MPD075F 1281 9MP D080 1681 9 100 1481 9MPD100 2081 amp 9MPD125L20B1 Natural Gas Denotes Brand Replacement part supplied will be current active part For parts not listed consult place of purchase Key Description Part 9MPD No Non Functional Number 050F 12B 075F12B 080 16B 100 14B 100 20B 125L20B 0 Clamp Capacitor 1170643 1 1 1 1 1014315 1 1 Transition Assembly 1012281 1 1 1012282 1 1 1 1012283 1 0 Gasket Blower 1014425 1 1 1 1 1 1 Board Insulating 1012418 1 1 1012419 1 1 1 1012420 1
15. 5 Position furnace orcoil cabinetand furnace on subbase soit aligns between the locating tabs Figure 37 Furnace Subbase Plenum Combustible Floor Base 25 20 46 4 1 4 Minimum clearance from back of hole to wall or other obstruction 25 20 46b A 4 1 4 Minimum clearance from back of hole to wall or other obstruction 8 Checks and Adjustments Figures Setting the Subbase Furnac Installation of Combustible Floor Base Wood Floor Plenum 25 20 46a e Wood Screw This subbase for combustible floors has been designed so thatthe height of the subbase raises the downflow coil off the floor to allow easy installation of the condensate drain See Figure 40 Condensate Line Raised by Base Figure 40 25 20 52 Startup NOTE Refer to the start up procedures in the User s Information Manual or to the Operating Instructions Label on the furnace A CAUTION If any sparks odors or unusual noises occur immediately shut OFF power to furnace Check for wiring errors or obstruction to blower Failure to correct hazard could result in death personal injury and or property damage Gas Supply Pressure Gas supply pressure should be within minimum and maximum val ues listed on rating plate Pressures are usually set by gas suppli ers 440 01 1020 02 Manifold Gas Pressure Adjustment NOTE Make adjustmentto manifold pressure with burners operat ing A WARNIN
16. Downflow Right Side Vent and Trap Yellow or black Plastic Cap Trap Connection P Clamp ears Pointed OUT Vent Drain amp Clamps SIDE VIEW Dual Pressure Switch Preassemble amp insert into furnace NOTE Built in channel will be angled 5 to 10 also Single Pressure Switch Detail AE 3 16 ID Rubber Tube Splice Connector Coupling amp Clamps Barbed 15 1 Optional Drain Hose amp Clamps mm Some DEE Coupli Models ONLY oup ing Either The PVC Drain Tee field supplied 2 PVC Tee Ue 0 Drain Tube Black 5 8 ID Corrugated E Drain Connector Black PVC 3 4 PVC X 1 CPVC WARNING Tee Trap White PVC 7 Loose parts bag g Move Caps loose parts bag to top of 1 Drain Tube amp Clamps ra Black 5 8 ID Cutto fit loose parts bag 25 24 46 Downflow Right Side Vent and Trap See Figure 12 Remove the Drain Tee if installed Disconnect the hoses from the Trap assembly and remove Trap and Trap mounting bracket from the blower compartment Using cover
17. possible damage from the vapors to plants shrubs other Table for 9MPD Model equipmentand building materials 2 possible damagetothe ARISTON Queis terminalfrom foreign objects 3 wind effects thatmay cause 50 000 75 000 amp 80 000 Btuh Furnaces recirculation offlue products debris orlightsnow and 4 vis NAHAOO2CV 35 amp 4 90 elbows with 2 PVC pipe or ible vent vapor 01 65 amp 4 90 elbows with 3 PVC pipe 3 Cut one 5 diameter hole through the structure for the 100 000 Btuh Fumace NAHAOOICV Kit or one 4 diameter hole for the 001 35 6 4 90 elbows with 3 PVC pipe 002 Kit NAHAOOICV 65 amp 4 90 elbows with 3 PVC pipe amp 4 Dimension D may be lengthened to 60 max or shortened Long Vent Kit See Tech Manual by cutting the pipes to 12 min Dimension A will change ac cording to D dimension See Figure 46 e NAHAOOICV 35 amp 4 90 elbows with 3 PVC pi Concentric Vent Roof Installation Do not include the field supplied 45 elbow in the total elbow count 2 If more than four elbows required reduce the length of Maintain 12 min clearance above both the inlet and the exhaust pipes five feet for each haiteg snow level Max additional elbow used 3 Elbows are DWV long radius type for 2 and 3 vents Combustion NOTE Feet of pipe is whichever pipe run is the longest either Air inlet
18. 1009510 Natto LP 1013815 LP to Nat NAHF003NG 1013816 Order from Service Parts Replacement Parts 9MPD Models 9MPDO50F 1281 9MPD075F 1281 9MP 080 1681 9 100 1481 9 100 2081 amp 9MPD125L20B1 Natural Gas Denotes Brand Replacement part supplied will be current active part For parts not listed consult place of purchase Key Description Part 9MPD No Functional Number 050F12B 075F12B 080 168 100 148 100 208 1251208 1 Heat Exchanger Primary 1012850 1 1012854 1 1012858 1 1 1 1012862 1 2 Heat Exchanger Secondary 1013762 1 1013763 1 1013765 1 1 1 1013767 1 3 otor Blower 1009052 1 1 1013341 1 1 1011906 1 1 4 ount Motor kit 1013379 1 522020024 1 1 1 1 1 5 Wheel Blower 1013011 1 1011420 1 1 1 1 1 Transformer 1012722 1 1 1 1 1 1 Capacitor 7 5Mfd 370V 1171928 1 1 10Mfd 370V 1171929 1 1 40M fd 370V 1171982 1 1 Control Fan Timer 1014460 1 1 1 1 1 1 Switch Interlock 1171981 1 1 1 1 1 1 440 01 1020 02 53 Replacement Parts 9MPD Models 9MPDO50F 1281 9MPD075F 1281 9MP 080 1681 9 100 1481 9 100 2081 amp 9MPD125L20B1 Natural Gas Denotes Brand Replacement part supplied will be current active p
19. 31 NAHFOO2LP 1009509 1 10 13 900 5 40 370 16x25x1 3 4 4 5 115 60 11 2 Nat HW SV9541M HW 579160 30 60 100 140 180 1013166 13 11 18 1 6 1013157 0 9 0 7 14 1 5 11 10 13 900 5 3 40 370 16x25x1 31 4 44p 5 NAHF002NG 1009510 440 01 1020 02 CIRCULATION AIR BLOWER DATA For 050 Models 3 Ton Units For 080 Models 4 Ton 19 amp 223 4 Units Speed Low g 01 826 1083 1301 1408 02 804 1050 1242 1347 amp 3 03 770 1028 1195 1295 5 0 4 735 985 1153 1237 D 0 5 698 952 1093 1183 H 0 6 657 909 1040 1118 x 0 7 863 935 1053 0 8 E 812 865 976 0 9 EC SC 802 887 10 Ss SC 720 787 For 075 Models 3 Ton Units Low MedL MedH Hi 01 706 917 1163 1368 02 677 875 1120 1319 3 03 636 840 1076 1263 S 5 0 4 595 812 1031 1202 0 5 546 766 987 1148 JU E E 0 6 490 702 889 1077 5 07 630 821 989 0 8 Ss 550 750 914 0 9 me 462 676 833 1 0 PIT xum 601 747 For 100 Models 3 5 Ton 19 amp 223 4 Units n Low MedL MedH Hi 5 0 1 700 912 1209 1550 d 02 660 884 1171 1492 gt 0 3 616 843 1139 1434 B 04 5
20. 6 S5 gt 25 LINAS A 12 Above roof or snow accumulation level B 8 Min 20 Maximum except in areas with extreme cold temperatures sustained below 0 F the 18 Min Vent Termination Shielding Under certain wind conditions some building materials may be af fected by flue products expelled in close proximity to unprotected surfaces Sealing orshielding ofthe exposed surfaces with a corro sion resistant material such as aluminum sheeting may be re quired to preventstaining or deterioration The protective material should be attached and sealed ifnecessary tothe building before attaching the vent terminal Multi Vent Termination Clearances When two 2 or more furnaces are vented near each other each furnace must be individually vented Two 2 ventterminations may be installed as shown in Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 and Figure 27 but the nextventtermination mustbe atleast 36 away from first 2 ter minations Itis importantthat ventterminations be made as shown to avoid recirculation of flue gases 12 Min Grade or Snow Level Combustion Air Dimension A is touching or 2 maximum separation 440 01 1020 02 Concentric Vent and Combustion Air Sidewall Termination 04 1 Maximum SR Combustion Air Vert 25 22 024 Dimension A is touching or 2 maximum separation Sidewall Inlet Vent and Exhaust Air Termination p
21. Drain Hose Pressure Switch Detail e Drain Elbow 1 On Some Models 7 ONLY INLET lt Flexible Tubing Connector 3 16 OD loose parts bag WARNING Move Caps to top of Relief Tube Extension Black trap Drain Tube Black 5 8 ID Corrugated Cutat straight section 3 16 ID Cut to fit loose parts bag Trap Connection Clamp ears Pointed OUT aa Leave room for clamp Cut Here Downflow Left Side Vent and Trap See Figure 11 Remove the inducer mounting screws rotate the inducer 180 and retighten the inducer screws to 20 pounds torque Disconnect the hoses from the Trap assembly and remove Trap and Trap mounting bracket from the blower compartment Using cover plate and gasket provided in the loose parts bag cover the hole from the burner compartment to the blower compartmentand secure with screws Move the caps to the top of the Trap and mountthe Trap externally to the left side of the unit using the 2 screws provided Cutthe 5 g ID corrugated hose as shown above and fasten the 90 bend end to the Trap and fasten the straight end to the transition drain Secure both connections with clamps Reconnect the 1 5 ID drain hose from t
22. Drain Trap section for further de L5 Figures Dimensions amp Clearances Cabinet to Combustible Clearances Kee LEFT SIDE iert 1f TRAP COUNTERFLOW ELECTRICAL GAS hg VENT AIR INTAKE ALTERNATE 7 41362 he UPFLOW HORIZONTAL rs Mm 1 RIGHT SIDE Unit TRAP COUNTERFLOW Capacity ELECTRICAL P1050B12A 1 1 1 1 E cd AIR INTAKE P1075B12A 1 1 ALTERNATE 1080 16 1 A P1100F1 1100 20 UPFLOW HORIZONTAL 17 1125 20 1 1 1 BE P2050B12A 1 1 13 g 12 4h Ph THERMOSTAT Pampa 15 uw vh Ae 7 SSC 8 98 95 2100 14 1 208 1494 4b 9 FII mpm pum T m dd SE D Ps 1 95 195 9MPD075F12A 1 43 wee D 9MP 0100 14A 1 43 9MP 100 20 14 25 23 36b 9MPD125L20A 241 45 m xm WO CO CO o z 2 Z VENT B gt 21 4 2 aj 2 440 01 1020 02 Leveling Proper l
23. Heat or Cool terminal and connect that lead to the open termi nal at Unused Motor Lead location Attach a jumper be tween the Heat and Cool terminals and the remaining motor speed lead Note F or motors with 4 speed leads itwillbe necessary to tape off the terminal of the motor speed lead removed from the Heat or Cool terminal with electrical tape since an open terminal will not be available at the Unused Motor Lead location Continuous Fan Operation A terminal is provided on the electronic fan control located in the circulating blower compartment for operation of the continuous fan option This connection is intended for the low speed motor tap and has a lower contact rating 8 amps than the heat and cool taps When the low speed blowerlead is connected to this terminal this will provide low speed blower operation whenever the other two speeds Heat or Cool are not energized Thoroughly check the system after modification to ensure the prop er operation of the circulating air blower in all modes of operation 9 Furnace Maintenance CAUTION 15 recommended that the furnace be inspected and serviced annual basis before the heating season by a qualified service technician Separate speed selections for Heat Cool and Continuous Fan Connectlow speed lead from circulating motorto the Cont termi nal at the electronic fan control The appropriate motor leads shoul
24. Hose 5 5 1012975 Grommet Vent 1 Bushing Strain Relief Hamess Wire Trap Drain Tee 1171916 Tube 1 5 ID Drain 1171991 Tube 1 5 ID Elbow 1171992 Coupling 15 Barbed 1171993 Tubeing 5 3 ID Drain 1171994 Connector 3 4 X 15 1171995 440 01 1020 02 Replacement Parts N9MP1 amp N9MP2 Models N9MP1050B12B1 N9MP1075B12B1 9 1080 16 1 9 1100 14 1 N9MP1100 20B1 amp 9 1125 20 1 N9MP2050B12B1 N9MP2075B12B1 9 2080 16 1 9 2100 14 1 N9MP2100J 2081 amp 9 2125 20B1 Natural Gas Replacement part supplied will be current active part For parts notlisted consult place of purchase Description EE El E be ee TTS SS 12B 12B 16B 14B 20B 12B 12B 16B 14B 20B PART NOT ILLUSTRATED Elbow 15 CPVC Street 1171996 Grommet Casing 1171997 Tube Releif E xt 1009238 Connector Releif Tube 1171998 Plate Cover 1171999 Gasket Cover P late 1172000 Cap Drain Tee 1172001 Clamp Tee Cap 1172002 Coupling Air Intake 1012284 Gasket Air Intake 1012583 Gasket Trap 1013701 Grommet Vinyl Gas Inlet 1009535 Bushing Strain Relief 1945287 Installation Manual 44001102000 User s Manual 44102201000 Gas Conversion Kits Natto LP NAHFOO2LP 1009509 LP to Nat NAHF002NG
25. Install the 1 CPVC street elbow on discharge of Trap Install the black PVC tube connector 3 4 PVC x 1 5 CPVC from loose parts bag as shown in the illustration above Cut the black Drain Tube 5 ID in loose parts bag to length to fit between Trap and tube connector through grommet Clamp both ends of the Drain Tube using clamps provided Glue the CP VC street elbow to the Trap using appropriate cleaner and solvent cement Connect the Tee trap and the main drain line exiting the casing as shown in Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fit up and inspected before final cementing Both the in ternal Trap and the external Tee Trap must be primed before operation Verify all condensate drain connections are securely clamped A coupling and clamps in loose part bag may be installed as shown for future servicing of the vent system 15 Figure 11 Downflow Left Side Vent and Trap Yellow or black Plastic d SIDE VIEW Cap 1 FH TH Coupling amp Clamps TEN TOO 3 Vent Drain amp Clamps Either The PVC 2 PVC Coupling NOTE Built in channel will be angled 5 to 10 also Dual Pressure Switch 3 16 ID Drain Tee or a field supplied 2 PVC LE Rubber Tube Tee Trap White PVC loose parts bag 15 ID
26. Open High Altitude Long Vent Kit Part No Pressure Switch Part No Blower S witch Pressure Close Blower Switch P ressure Open Transition Switch Pressure Close Transition S witch P ressure Open Blower Data Type amp Size Motor Amps R pm Motor Type H p Cap Mfd Volts Filter Type amp Size Permanent not supplied Cool Cap Tons 5 W C ML MHi amp Hi Gas Conversion Kits Natto LP LP to Nat Order from Service P arts W W 115 60 9 8 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 22 20 1013803 20 18 11 8 10 850 PSC I 7 5 370 16x25x1 115 2 215 3 115 60 8 9 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 22 2 0 1013803 2 0 18 11 10 8 0 1050 PSC 7 5 370 16x25x1 115 2 215 3 NAHFOO2LP 51009509 NAHFOO2NG 1009510 115 60 9 0 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 15 13 1013813 12 10 1 10 10 1050 5 10 370 16x25x1 213 314 0031 41013815 NAHF003NG 1013816 115 60 9 0 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 1013802 22 20 1013803 20 18 115 60 10 5 HW SV9541M SNAP HW HSP HW 579160 30 60 100 140 180 1013802 22 2 0 1013803 2 0 18 0021 1013518 10 0 8 20 18 0031 1013165 0 7 0 6 14 12 11 10 10 1050 5 10 370 16x25x1 1 2 3
27. Pressure 40 45 90 DWV Elbows WC Limits amp Controls Rollout Switch Limit Control S etting F Standard Pressure S w Part No Blower Switch P ressure Close WC Blower Switch Pressure Open WC Transition Switch Pressure Close WC Transition S witch P ressure Open WC High Altitude P ressure Sw Part No Blower S witch Pressure Close WC Blower Switch Pressure Open WC Transition Switch Pressure Close WC Transition S witch Pressure Open WC Long Vent Kit Part No Pressure Switch Part No Blower S witch Pressure Close WC Blower Switch Pressure Open WC Transition Switch Pressure Close Transition S witch P ressure Open High Altitude Long Vent Kit Part No Pressure Switch Part No Blower S witch Pressure Close Blower Switch P ressure Open Transition Switch Pressure Close Transition S witch P ressure Open Blower Data Type amp Size Motor Amps R pm Motor Type H p Cap Mfd Volts Filter Type amp Size Permanent not supplied Cool Cap Tons 5 W C ML MHi amp Hi Gas Conversion Kits Natto LP LP to Nat Order from Service P arts W W 440 01 1020 02 115 60 9 8 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 22 20 1013803 20 18 11 8 10 850 PSC I 7 5 370 16x25x1 115 2 215 3 115 60 8 9 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 1013801 2 3
28. S Box Collector 1012244 1 1 1012245 1 1 1 1012246 1 Gasket Transition 1013263 1 1013080 1 1013083 1013084 U Gasket Collector Box 1012594 1 1012595 1012596 V Partition Frt Ht Exchanger 1012650 1 1012648 1 1012651 1012653 W Gasket Attachment Plate 1012542 2 1012543 1012544 1012545 X Cover J unction Box 1012350 1 1 1 1 1 1 Y Box J unction 1012349 1 1 1 1 1 1 2 Tube Pilot 1012832 1 1 1 1 1013077 1 1012834 1 AA Bracket Pilot 1010901 1 1 1 1 1 1 BB Manifold 1012276 1 1012277 1 1012278 1 1012279 1 CC Bottom Burner Box 1012334 1 1 1012335 1 1 1 1012336 1 DD Baffle Burner 1012338 1 1012339 1 1 1 1012340 1 EE Top Burner Box 1013702 1 1 1013703 1 1 1 1013704 FF Bracket Manifold Support 1013677 2 2 2 GG Bracket Burner Box Side 1012532 2 2 2 HH Bracket Control Mounting 1013677 1 1 1 1 1 1 JJ Tube Sensor 1009238 1 1 1 1 1 1 KK Trap Drain Assembly 10171917 1 1 1 1 1 1 LL Sightglass Comfortmaker amp Heil 1013235 1 1 1 1 1 1 Tempstar Only 1013236 1 1 1 1 1 1 QQ Gasket Trap 1013701 1 1 1 1 1 1 RR Bracket Trap 1171986 1 1 1 1 1 1 SS Gasket Trap Bracket 1171987 1 1 1 1 1 1 TT Tube Drain Coll Box 5 ID 1171988 1
29. USA Only The input rating of these furnaces can be changed from the stan dard input rating to the alternate input rating shown in Table 5 by changing the main burner orifices NOTE The input rating ot 80 000 BTUH models cannotbe changed from the standard input Changing of burner orifices MUST be done by a qualified service technician See section on changing orifices or following page Table 5 BTUH Alternate Input Ratings USA ONLY BTUH Natural LP Standard Alternate Gas Gas Rating Rating Orifice Orifice 50 000 10000 44 55 75 000 60 000 mam 800 175 000 100000 Supply Pressure A VVARNINGEG FIRE HAZARD Failure to properly setinput pressure can resultin death personal injury and or property damage Do NOT setinput rating above that shown on rating plate 1 Supply pressure can be checked using the g NPT porton the supply side of the gas valve 2 Gas input to burners MUST NOT exceed the rated input shown on rating plate 3 Do allow minimum gas supply pressure to vary down ward Doing so will decrease input to furnace Refer to Table 6 for normal gas supply and manifold pressures Table 6 Gas Pressures Below 2000 Gas Supply Pressure Manifold Recommended Pressure T Important Note With Propane gas the rated inputis obtained when the BTU content is 2 500 BTU per cubic foot and manifold pressure set at 10 W C If
30. Vent Kit See Tech Manual or 70 amp 5 90 elbows with 3 PVC pipe 100 000 Btuh Furnace 40 amp 5 90 elbows with 3 PVC pipe 70 amp 5 90 elbows with 3 PVC pipe amp Long Vent Kit See Tech Manual 125 000 Btuh Furnace 40 amp 5 90 elbows with 3 PVC pipe Elbows are DWV Long Radius for 2 and 3 vents If more than five elbows are required reduce the length of both the inlet and exhaust pipes 5 for each additional elbow used For Concentric Termination Kit Venting table see Section 11 in this manual Vent Termination Clearances A VVAHRNING CARBON MONOXIDE POISONING FIRE AND EXPLOSION HAZARD Failure to properly vent this furnace can result in death personal injury and or property damage Inlet and outlet pipes may NOT be vented directly above each other 1 Determine termination locations based on clearances spe cified in following steps and as shown in Figure 7 Figure 19 through Figure 27 For Concentric Termination Kit clearances see Figure 45 Figure 46 Figure 47 Figure 48 and Figure 49 in Section 10 in this manual 2 vent termination must be located at least 12 above ground or normally expected snow accumulation levels 3 Do NOT terminate over public walkways Avoid areas where condensate may cause problems such as above planters patios oradjacentto windows where steam may cause fog ging 4 Theventtermination
31. air mustcomply with National Fuel Gas Code NFPA54 ANSI Z223 1 2002 or current edition and applicable provisions of local building codes This furnace be common vented or connected to any type B BW orL ventor vent connector nor to any portion of a factory built or masonry chimney If this furnace is replacing a previously common vented furnace itmay be necessary to resize the existing vent and chimney to prevent oversizing problems for the other re maining appliance s See Venting and Combustion Air Check this section This furnace MUST be vented to the outside 440 01 1020 02 combustion air pipes attach to the furnace through the alternate locations on the furnace side panels Note the Direct Vent furnace the vent pipe attaches to the fur nace 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 vent pipe attaches to the furnace through the furnace side panels Note Repositioning of the combustion blower is required for the vent pipe connection to the furnace through the right side panel See Vent and Combustion Air Piping section for further details If the furnace is to be suspended from the floor joists in a crawl space or the rafters in an attic it is necessary to use steel pipe straps oran angle iron frame to rigidly attach the furnace to prevent movement These straps should
32. airturn between fan and inlet grille to reduce noise NOTE To further reduce noise install acoustical air turning vanes and or line the inside of duct with acoustical material Sizing Existing or new ductwork MUST be sized to handle the correct amount of airflow for either heating only or heating and air condi tioning Insulation 1 Insulate ductwork installed in attics or other areas exposed to outside temperatures with a minimum of 2 insulation and vapor barrier 2 Insulate ductwork in indoor unconditioned areas with a mini mum of 1 insulation with indoor type vapor barrier Filters A Filter must be used Filters are notsupplied with these furnaces butcan be purchased from dealer Use either filter type Washable high velocity filters are based on a maximum air flow rating of 600 FPM Disposable low velocity filters are based on a maximum air flow of 300 FPM when used with filter grille NOTE Disposable low velocity filters may be replaced with wash able high velocity filter providing they meet the minimum size areas Washable high velocity filters can be replaced ONLY with same type and size 440 01 1020 02 Figure34 Side Mounted Filter Rack Filter Installation using Optional Filter Rack When installing or removing a bottom mounted filter slide the two side filter clips to the back ofthe furnace BEFORE installing or re moving This will allow the filter to clear the front raised edge
33. both traps with water before operation Failure to prime the traps may result discharge of flue gases from the condensate drain line and open tee for a period of time and may result in temporary lockout of the furnace upon start up Main drain line construction is left to the discretion of the installer It may be made of either ridged pipe or flexible tube Tube ID should NOT be less than 1 2 22 25 24 41N Connecting Vent and Combustion Air Piping A WARNING CARBON MONOXIDE POISONING HAZARD Failure to properly seal vent piping can result in death personal injury and or property damage Cement or mechanically seal all joints fittings etc to prevent leakage of flue gases Referto Figure 8 through Figure 16 that corresponds to the instal lation position of the furnace for the application P reassemble the vent and combustion air piping from the furnace to the vent termination Do notcementthe pipe joints until the pipe preassembly process is complete Combustion Air Pipe Connection Dual Certified or Direct Vent Install the air intake coupling and gasket to the furnace with the four 4 screws Note The air intake coupling and gasketcan be installed to the top panel to the alternate air intake locations on either the left or right side panels of the furnace For downflow installation the air intake coupling and gasket must be installed to the alternate air intake location on either the left or rightside
34. eh Airflow restriction will occur and the furnace pressure switch NOTE Ensure the termination heightis above the roof sur may cause intermittent operation face oranticipated snow level as shown in Figure 45 for ver tical termination Ensure the termination location clearance 5 Partiallyassemble the concentric venttermination kit Clean dimensions are as shown in Figure 48 and Figure 49 for and cement the parts using the procedures for oining Pipe horizontal termination and Fittings section ofthe manual Cementthe Y Concen tric fitting to the 4 diameter kit pipe See Figure 47 B Ce ment the 3 rain to the 21 2 diameter kit part See Figure 48 Combustor Figure 47 NOTE A field supplied stainless steel screw may be used to secure the rain cap to the pipe instead of ce menting when field disassembly is desired cleaning See Roof Overhang Figure 47 gt Rain Cap to Vent Pipe Assembly Figure 47 Drill clearance hole in rain cap and pilot hole in vent pipe Combustion Air _ Vent TM Maintain 12 clearance above highest antici pated snow level or grade whichever is great Stainless steel screw er 25 22 02 Field supplied 440 01 1020 02 Concentric Vent Sidewall Strap __ Flush to 1 max Combustion Air 45 Elbow Field Supplied ae 25 22 02 Note Securing strap must be field installed to prevent movement
35. fur nace as specified in 3 Combustion and Ventilation Air of these instructions or dwelling Fire or smoke can cause serious bodily injury death and or property damage Therefore in order to alert people of potentially dangerous fire or smoke you should have fire extinguisher and smoke detectors listed by Under writers Laboratories installed and maintained in the building or dwelling see Note below Note The manufacturer of your furnace does not test any detec tors and makes no representations regarding any brand or type of detector e Combustion products must be discharged outdoors Con es ME and efficient operation of your unit you should g nectthis furnace to an approved ventsystem only as spe cified in 4 Vent and Combustion Air Piping of these 1 Thoroughly read this manual and labels on the unit This instructions will help you understand how your unit operates and the haz e Never test for gas leaks with an open flame Use a com ards involved with gas and electricity mercially available soap solution made specifically for the 2 Donotuse this unit if any part has been under water Im detection of leaks to check all connections as specified in mediately calla qualified service technician to inspect the unit 6 Gas Supply and Piping Final Check of these instruc and to replace any control system and any gas con tions trol which has been under water Always install furnace to op
36. ignition sequence will be initiated Note 5 9541 On Off switch in off position during a call for heat will generate this diagnostic code 4 Flashes Limit switch string open 5 Flashes Flame sensed out of sequence Flame signal still present 6Flashes 1 1 Soft Lockout Maximum retry count exceeded failed to light within 4 trials for ignition 6 Flashes 2 Notes 1 2 Soft Lockout Maximum recycle count exceeded Last failure was Flame Sense Lost During Run 6 Flashes 3 Notes 1 2 Soft Lockout Maximum recycle count exceeded Last failure was Airflow Proving Circuit Opened During Run 6 Flashes 4 Notes 1 2 Soft Lockout Maximum recycle 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 Present Reset by Cycling Call for Heat at Any Time NOTE 1 The 6 X designation indicates a combination of flash codes 6 flashes shows the control is in softlockout followed by X flashes to indicate the reason the control wentinto soft lockout When the 6 X code is flashing the V9541 will attempta new ignition sequence after a five minute delay period ifthe call for heatis still present Resetofthe thermostat will initiate a new ignition sequence immediately NOTE 2 Any combination of 5 abnormal events during a single call for heat will result in soft lockout An abnormal eventis a Flame
37. in death NAHAOOICV 35 amp 4 90 elbows with 3 PVC pi pe personal injury and or property damage 1 Do notinclude the field supplied 45 elbow in the total elbow count Do not operate the furnace with the rain cap removed as 2 If more than four elbows are required reduce the length of recirulation of the flue gases may occur Water may also both the inlet and the exhaust pipes five feet for each collect inside the larger combustion air pipe and flow to additional elbow used the burner enclosure 3 Elbows are DWV long radius type for 2 and 3 vents NOTE Feet of pipe is whichever pipe run is the longest either Installthe Y concentric fitting and the pipe assembly through inlet or outlet side the structure s hole For vertical termination install the parts through the field supplied roof boot flashing NOTE Do not Ifassembly needs to be extended to meetheight or side wall thick allow insulation or other materials to accumulate inside the ness requirement the two pipes supplied in the kitmay be replaced pipe assembly when installing through the structure s hole by usingthe same diametersolid single no coupling connections mu field supplied SDR 26 PVC ASTM 02241 pipes Do not extend 7 Secure the assembly to the structure as shown in Figure 45 dimension D more than 60 See Figure 46 e field supplied metal strapping or equiva Do not use field supplied couplings to extend the pipes
38. of termination kit in side wall Install the rain cap and the small diameter pipe assembly in the Y concentric fitting and the large pipe assembly Ensure that the small diameter pipe is bottomed out and securely cemented in the Y concentric fitting Cement the furnace combustion air and vent pipes to the concentric vent termination assembly See Figure 45 or Figure 49 for proper pipe attachment Operate the furnace through one heat cycle to ensure com bustion airand ventpipes are properly connected to the con centric termination connections 440 01 1020 02 Technical Support Manual Four Position Furnace 25 23 30 International Comfort Products Corporation USA Lewisburg TN 37091 USA Fast Parts Division 615 248 8300 Models Single Pipe N9MP 1050B 12B1 N9MP 1075B 12B1 N9MP 1080F 16B 1 N9MP 1100F 14B 1 N9MP 1100 2081 N9MP 1125 2081 or Two Pipe N9MP2050B 12 1 9 2075 12 1 9 2080 16 1 9 2100 14 1 9 2100 2081 9 2125 2081 or Dual Certified 9MPDO5OF 12B1 9MPDO075F12B1 080 168 1 9 100 148 1 9 100 208 1 9MPD125L20B1 Denotes Brand Save This Manual For Future Reference 440 01 1020 01 Manufacturers Number Mfr See Rating Plate ALL Models Specifications 9 1 N9MP1050B 12B N9MP1075B 12B N9MP 1080F 16B N9MP 1100F 14B N9MP 1100 20B N9MP 1125 20B General Gas Type Input B
39. or outlet side Roof Boot Flashing Field Supplied Q sh 9 Support Field Supplied 45 Elbow LL Field Supplied Combustion v Air 25 22 02 LWO Note Support must be field installed to secure termination kit to structure 440 01 1020 02 Concentric Termination Kit VV ARNIN Table 11 NAHAOO1CV amp NAHAOO2CV Venting Table for N9MP2 Models CARBON MONOXIDE POISONING HAZARD 50 000 amp 80 000 Btuh Furnaces Failure to follow this warning could result in death NAHAOO2CV 35 amp 4 90 elbows with 2 PVC pi personal injury and or property damage NAHAOOICV 65 amp 4 90 elbows with 3 PVC pi When using the alternate screw assembly method drill a 75 000 Btuh Furnaces clearance hole in the rain cap and a pilothole in the vent NAHAOO2CV 20 amp 2 90 elbows with 2 PVC pi pipe for the screw size being used Failure to drill NAHAOO2CV 35 amp 4 90 elbows with 2 PVC pi adequate holes may cause cracking of the PVC Long Vent Kit See Tech Manual or components allowing flue gases to be recirculated NAHAOOICV 65 amp 4 90 elbows with 3 PVC pi 100 000 Btuh Furnace 001 35 amp 4 90 elbows with 3 PVC pipe or NAHAOOICV 65 amp 4 90 elbows with 3 PVC pipe amp A WARNING GE CARBON MONOXIDE POISONING HAZARD 222 125 000 Failure to follow this warning could result
40. or thoroughly cleaned prior to occupancy e The furnace ductwork and filters are cleaned as necessary to remove drywall dust and construction debris from all HVAC system components after construction is completed Installation Positions This furnace can be installed in an upflow horizontal either left or right or downflow airflow position DO NOT install this furnace on its back For the upflow position the return air ductwork can be at tached to either the left or right side panel and or the bottom For horizontal and downflow positions the return air ductwork mustbe attached to the bottom The return air ductwork must never be at tached to the back of the furnace Furnace Installation Considerations The installation of the furnace fora given application will dictate the position of the furnace the airflow ductwork connections ventand combustion air piping Consideration must be given to the follow ing Condensate Trap and Drain Lines The supplied condensate trap mustbe attached to the furnace side panel on eitherthe leftor rightside F orhorizontal installations the drain trap is vertically attached to the side panel below the furnace A minimum clearance of 6 below the furnace is required for the condensate trap Downward slope of the condensate drain line from the condensate trap to the drain location must be provided Adequate freeze protection of the drain trap and the drain line must be provided See Condensate
41. plate and gasket provided in the loose parts bag cover the hole from the burner compartment to the blower compartmentand secure with screws Move the caps to the top of the Trap and mountthe Trap externally to the right side of the unit using the 2 screws provided Connect the corrugated Drain Tube from the transition box to the Trap as shown Ifan extension is required use the black PVC tube connector and the black Die ID Drain Tube the loose parts bag Cut tube to length Secure all connections with clamps Connectthe drain hose fromthe Vent Drain to the Trap sion is required use the black 1 5 OD barbed coupling connect a black ID elbow tube and a suitable section of a 1 2 ID drain tube to make connection from the ventdrain to the trap Secure all connections with clamps 440 01 1020 02 Install the vent pipe grommet into the casing Cutan appropriate length of 2 PVC pipe long enough to exitthe cabinet and connect the vent drain to either e standard field supplied 2 PVC tee N9MP1 and 2 mod els or A2 PVC coupling fastened onto the Drain Tee 9MPD models Install Tee Trap into bottom section of Tee Connectthe Tee trap and the main drain line exiting the casing as shown in Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fitup and inspected before final cementing Both the ex ternal Trap and the external Tee Trap must be primed before
42. restrictions may occur TheSubbaseforCombustible Floors MUST be used when a down flow furnace is seton a combustible floor even when the furnace is installed on a coil box 1 Cuttheopeninginthe flooraccording to Table 8 The hole 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 opening in the base is 11 4 shorterand 11 5 narrower than the recommended size ofthe opening in the floor This is done to main tain clearance between the floor and the plenum 2 Fabricate the plenum to the dimensions given in Table 8 Note that the dimensions given are outside dimensions Table 8 Subbases for Combustible Floors Dimensions a Subbase for Combustible Opening Base Typical Plenum Floors Part Number Furnace Subbase 0015 1511 6 283 4 149 16 et The em L 16 16 16 6 Outside Dimension Base Spacer Side To Side 3 Setthe base over the opening in the floor centering it over the opening Fasten the base to the floor with screws or nails See Figure 37 Figure 38 and Figure 39 SS 1614 164 1614 16 4 145 g 184 HMD ENG 131 e 131 EE 22 16 4 16 4 1614 1614 1498 184 HMD 235 8 4 Drop the plenum through the opening in the base The flange of the plenum should rest on top of the subbase 440 01 1020 02
43. 000 above sea level Orifices can be ordered through your distributor See Figure 28 Figure 28 Changing Orifices Measure from face of orifice to the back side of the manifold 11 8 to 13 16 3 NOTE The derating of these units at 296 Natural and 496 L P has been tested and approved by AGA High Altitude Air Pressure Switch Altitudes over4 000 require a differentair pressure switch than the one installed atthe factory Check parts listforpressure switch and consult your distributorforpartnumberand availability Canada provincial codes may govern installation of switch Check with gov erning authorities 440 01 1020 02 42 Orifice size for 50 000 75 000 100 00 amp 125 000 BTUH models Changing Orifices for High Altitude A WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to properly install orifices can result in death personal injury and or property damage Turn OFF electric power atdisconnect and gas supply at manual valve in gas line when installing orifices Installation of orifices requires a qualified service technician NOTE Main burner orifices can be changed for high altitudes 1 Disconnect gas line from gas valve 2 Remove manifold from furnace 3 Remove the orifices from the manifold and replace them with properly sized orifices 4 Tighten orifices so itis seated and gas tight See Figure 28 5 Reinstall manifold Ensure burne
44. 1 1 1 1 1 440 01 1020 02 55 Replacement Parts 9MPD Models 9MPDO50F 1281 9MPD075F 1281 9MP 080 1681 9 100 1481 9MPD100 2081 amp 9MPD125L20B1 Natural Gas Denotes Brand Replacement part supplied will be current active part For parts not listed consult place of purchase Key Description Part 9MPD No Non Functional Number 050F 12B 075F12B 080 16B 100 14B 100 208 1251208 UU Tube Drain 1 ID 1171989 1 1 1 1 1 1 VV Tube Relief 1009238 1 1 1 1 1 1 WW Drain Vent 1014003 1 1 1 1 1 1 YY Tee Drain 1171915 1 1 1 1 1 1 PART NOT ILLUSTRATED Door Screws 1014488 4 4 4 4 4 4 Door Screws Grommets 1171990 4 4 4 4 4 4 Coupling Air Intake 1012284 1 1 1 1 1 1 Gasket Air Intake 1012583 1 1 1 1 1 1 Clamp Hose 3 4 1012976 2 2 2 2 2 2 Clamp Hose 5 8 1012975 2 2 2 2 2 2 Coupling Discharge 1002522 2 2 2 2 2 2 Clamp Hose 1013830 4 4 4 4 4 4 Grommet Vent 1012697 1 1 1 1 Bushing Strain Relief 1945287 1 1 1 1 1 1 Grommet Vinyl gas Inlet 1009535 1 1 1 1 1 1 Harness Wire 1013716 1 1 1 1 1013718 1 1013719 1 Trap Drain Tee 1171916 1 1 1 1 1 1 Tube 1 5 ID Drain 1171991 1 1 1 1 1 1 Tube 1 5 ID Elbow 1171992 2 2 2 2 2 2 Coupling 1 Barbed 1171993 1 1 1 1 1 1 Tubeing 5 g ID Drain 1171994 1 1 1 1 1 1 Connector 3 4 X 1 5 1171995 1 1 1 1 1 1 Elbow 15 CPVC Street 1171996 1 1 1 1 1 1 Grommet Cas
45. 1 1 1 1 1 1 1 1 1 1 1 1 rA m m i m H m 1 rN FP C re FP H H PP H IN FP r3 H H H PP N Ag 1 1 Ag 1 rR V ta 1 1 m m rA 1 1 i m rA H 440 01 1020 02 Replacement Parts N9MP1 amp N9MP2 Models N9MP1050B12B1 N9MP1075B12B1 9 1080 16 1 N9MP1100F14B1 9 1100 20 1 6 N9MP1125J 20B1 N9MP2050B12B1 N9MP2075B12B1 9 2080 16 1 N9MP2100F14B1 N9MP2100J 2081 amp N9MP 2125 2081 Natural Gas Replacement part supplied will be current active part For parts notlisted consult place of purchase Description Ba EE 050B 075B 080F 100F 100J 050B 075B 080F 100F 100 Panel 1012323 1 1012324 1 1012325 1012326 1012957 1012958 1012959 Gasket Top Panel 1012602 1012603 1012604 Partition Blower 1171983 1171984 1171985 1172004 1172005 1172006 Housing Blower 1012972 1012888 Panel Blower Cutoff 721020013 721020008 Hanger Blower 1012328 Door Blower 1013684 1013685 1013686 13687 13688 1014239 0 0 0 10 0 0 Bracket Door Filler 1013679 10 0 0 0 0 0 13680 13681 1014146 1014147 1014256 1014257 Door Front 1014258 1014259 Strap Capacitor 1170643 1014
46. 21 1013803 2 0 18 NAHAOO1LV 1013518 1 0 0 8 2 0 18 0031 1013165 0 7 0 6 14 12 1 8 8 0 1050 5 7 5 370 16x25x1 115 2 215 3 NAHFOO2LP 51009509 NAHFOO2NG 1009510 115 60 9 0 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 18 1 6 1013812 1 5 1 3 11 10 10 1050 5 10 370 16x25x1 213 314 0031 41013815 NAHF003NG 1013816 115 60 9 0 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 1013801 23 2 1 1013803 2 0 1 8 NAHAOO1LV 1013518 10 0 8 2 0 18 115 60 10 5 HW SV9541M SNAP HW HSP HW 579160 30 60 100 140 180 1013802 22 2 0 1013803 2 0 18 0021 1013515 10 0 8 1 7 1 5 1013165 0 7 0 6 14 12 11 10 10 1050 PSC IJ 10 370 16x25x1 12 331 NAHFOO2LP 1009509 11 10 13 900 5 40 370 16x25x1 3 4 4 5 115 60 11 2 Nat HW SV9541M HW 579160 30 60 100 140 180 1013166 13 11 18 1 6 1013157 0 9 0 7 14 1 5 11 10 13 900 5 3 40 370 16x25x1 31 4 44 5 NAHF002NG 1009510 Manufacturers Number Mfr No See Rating Plate ALL Models Specifications 9MPD 9MPDO50F 128 9MPD075F 12B 9MPD080 168 9MPD100 148 9MPD100 208 9MPD125L20B General Gas Type Input Btuh Output Btuh Transformer Size VA T
47. 315 Transition Assembly 1012280 1012281 1012282 Gasket Blower 1014425 Board Insulating 1012417 1012418 1012419 Box Collector 1012128 1012244 1012245 Gasket Transition 1013079 1013080 1013083 Gasket Collector Box 1012593 1012594 1012595 Partition Front Ht Exchanger 1012646 1012647 1012649 1012651 1012652 440 01 1020 02 Replacement Parts N9MP1 amp N9MP2 Models N9MP1050B12B1 N9MP1075B12B1 9 1080 16 1 9 1100 14 1 N9MP1100 20B1 amp 9 1125 20 1 N9MP2050B12B1 N9MP2075B12B1 9 2080 16 1 9 2100 14 1 N9MP2100J 2081 amp 9 2125 20B1 Natural Gas Replacement part supplied will be current active part For parts notlisted consult place of purchase Description Non Functional Gasket Attachment Plate Cover J unction Box Box J unction Tube P ilot Bracket Pilot Manifold Bottom Burner Box Baffle Burner Box Top Burner Box Bracket Manifold Support Bracket Burner Box Side Bracket Control Mounting Tube Sensor Trap Drain Assembly Sightglass Gasket Trap Bracket Trap 1171986 Gasket Trap Bracket 1171987 Tube Drain Coll Box Ze ID 1171988 Tube Drain Tee 1p ID 1171989 Tube R elief 1009238 Drain Vent 1014003 PART NOT ILLUSTRATED Door Screws 1014488 Door Screws Grommets 1171990 Clamp Hose 3 4 1012976 Clamp
48. 75 790 1088 1378 05 528 735 1040 1317 i 0 6 472 677 979 1247 0 7 ES 608 909 1161 0 8 SES 528 827 1058 0 9 m 733 932 1 0 Ee 624 778 Low Med L Med H Hi 0 1 823 1109 1527 1850 0 2 795 1087 1482 1791 2 0 3 747 1056 1426 1720 g 0 4 677 1016 1382 1648 i 5 0 5 617 970 1317 1575 n 1 0 6 544 854 1245 1485 g 0 7 em 763 1154 1401 0 8 Se 652 1043 1284 0 9 SS En 905 1161 1 0 m 737 1028 For 100 Models 5 Ton 223 4 Units Sg Low Med L 01 1682 1870 2081 2263 0 2 1654 1826 2031 2193 5 0 3 1597 1775 1963 2165 y 0 4 1547 1719 1899 2056 i 5 0 5 1498 1653 1825 1978 0 6 1428 1583 1737 1854 0 7 1355 1503 1650 1757 0 8 1267 1392 1548 1644 S 0 9 1266 1428 1515 10 es um 1351 For 125 Models 5 Ton Units pe Low Med Hi 0 1 1720 1910 2127 2315 0 2 1686 1881 2087 2268 d 0 3 1644 1833 2024 2201 52 7 04 1600 177 1961 2131 5 0 5 1533 1720 1891 2029 E 0 6 1494 1647 1804 1948 0 7 1413 1571 1708 1820 0 8 1306 1470 1604 1730 0 9 Dee 1349 1484 1614 10 Ge 1328 1430 440 01 1020 02 Diagram irin 1 W v8rrlol Sd33dS ONILVINOUID 9 9NI 1009 ONILWAH H3dO d 03 9334 ONILSNFAV 303 STVONVIN 335 1 OV CAlsILOaY
49. AY 30 SEC HEAT OFF DELAY ON OFF 1 12 12 12 12 60 SEC 100 SEC 1405 180SEC 25 23 47 440 01 1020 02 Figure 9 Electrical Connections NOTE J unction Box can be mounted to either the left or right side 1 Connection Box Ground Low Voltage Terminal Board Models may 1 or 2 switches NOTE 115 VAC 60Hz single phase Operating voltage range 127 max 104 min 25 23 42 Permissible limits of voltage at which unit will operate satisfactorily 7 Ductwork and Filter TT AN VV CARBON MONOXIDE POISONING HAZARD Failure to properly seal duct can result in death and or personal injury Do NOT draw return air from inside a closet or utility room where furnace is located Return air duct MUST be sealed to furnace casing Installation NOTE Design and install air distribution system to comply with Air Conditioning Contractors of America manuals and or NFPA pam phlets 90A and 90B or other approved methods that conform to lo cal codes and good trade practices 1 When furnace supply ducts carry air outside furnace area seal return air ductto furnace casing and terminate ductout side furnace space 2 Install air conditioning cooling coil evaporator on outlet side of furnace 3 For furnaces installed without a cooling coil it is recom men
50. Ductor ventilation open ing requires one square inch of free area per 4 000 BTUH of total input rating for all gas appliances in area 4 Air inlet MUST be screened with not less than 1 4 mesh screen Unusually Tight Construction In unconfined spaces infiltration may be adequate to provide air for combustion ventilation and dilution of flue gases However in buildings with unusually tight construction additional air MUST be provided using the methods described in section titled Confined Space Installation Unusually tight construction is defined as Construction with 1 Walls and ceilings exposed to the outside have a continu ous sealed vapor barrier Openings are gasketed orsealed and 2 Doors and openable windows are weather stripped and 3 Otheropenings are caulked or sealed These include joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines etc Ventilation Air Some provincial codes and local municipalities require ventilation or make up air be brought into the conditioned space as replace mentair Whichever method is used the mixed return airtempera ture across the heat exchanger MUST not fall below 60 F or flue gases will condense in the heatexchanger This will shorten the life of the heat exchanger and possibly void your warranty Venting and Combustion Air Check NOTE When an existin
51. G Fire or explosion hazard Failure to turn OFF gas at shut off before connecting manometer can result in death and or personal injury Turn OFF gas at shut off before connecting manometer 1 Remove the burner compartment door 2 With gas OFF connect manometer to tapped opening on gas valve Use manometer with a 0 to 15 water column range 33 3 Turn gas remove adjustment screw cover on gas valve Turn counterclockwise to decrease pressure and clockwise to increase 4 For altitudes up to 2000 set pressure to value shown in Table 6 0 3 8mm watercolumn F oraltitudes of 2000 to 8000 see Section 5 for correct pressure setting Adjust Pilot Burner The furnace has a pilot flame to light the main burner The flame should surround 3 5 to 1 5 of the flame sensor See Figure 41 To adjust remove cap from pilot adjusting screw on gas valve Turn screw counterclockwise to increase or clockwise to decrease flame as required Replace adjusting screw cap Proper Flame Adjustment Flame Sensor 3 8 to ip Hot Surface Igniter 10 11 65 Main Burner Flame Check Allow the furnace to run approximately 10 minutes then inspectthe main burner and pilot flames See Figure 42 Check for the following Figure 42 Stable and blue flames Dust may cause orange tips or wisps of yellow butflam
52. H 9000 1 5 100000 Sm aa Free Area a 315 EXAMPLE Determining Free Area Total Input 130 000 4 000 32 5 Sq In Vertical Total Input Appliance 1 Appliance 2 100 000 30 000 Appliance 1 Appliance 2 100 000 30 000 130 000 2 000 65 Sq In Horizontal One permanent opening commencing within 12 ofthe top ofthe enclosure shall be permitted where the equipmenthas clearances of atleast 1 from the sides and back and from the front of the appliance The opening shall directly communicate with the out doors or shall communicate through a vertical or horizontal duct to the outdoors orspaces crawlorattic thatfreely communicate with the outdoors and shall have a minimum free area of e 154 in per 3000 Btu per hr of the total input rating of all equipment located in the enclosure and e Notless than the sum of the areas of all vent connectors in the confined space Gable Vent Outlet lt Air 2 Air 1 Minimum One Inlet and One Outlet Air Supply is Required May be in any Combination Shown Inlet Air Opening Must be Within12 of floor Outlet Air Opening Must be Within12 of ceiling 1 1 Square Inch per 4000 BTUH 2 1 Square Inch per 2000 BTUH Unconfined Space Installation WARNING CARBON MONOXIDE POISONING HAZARD Failure to supply additional air by means of ventilation grilles or ducts could result in death and or personal injury An unconfined s
53. NING Electric Shock Hazard FIRE OR EXPLOSION HAZARD This furnace is not designed for use in mobile homes trailers or recreational vehicles Such use could result in death bodily injury and or property damage Turn Off All Power Before Servicing Failure to do so can result in death personal injury and or property damage Printed in U S A 4 28 2003 440 01 1020 02 START UP CHECK SHEET For 90 Furnace Keep this page for future reference Dealer Name Address City State Province Zip or Postal Code Phone Owner Name Address City State Province Zip or Postal Code Model Number Serial Number Natural d LP N Type of Gas Which blower speed tap is used Heating Cooling Temperature of Supply Air F or C Temperature of Return Air F or C Rise Supply Temp Return Temp CF or amp C 2 Filter Type and Size Fan Time ON Setting Fan Time OFF Setting Dealer Comments Business Card Here Manual Gas Shut Off Upstream YES d Condensate Drain Connected YES d 1 LJ Transition Pressure switch hose relocated for U D H of Furnace Drip Leg Condensate Drain Trapped YES gt Application YES J NO 1 No Ld All Electrical Connections Tight YES J Measured Line Pressure When Firing Unit Blower Speed Checked YES J NO all Gas Valve YES Calculated Fi
54. POST PURGE NO NO PILOT AND MAIN VALVE CLOSE YES 1 Ignitor ON for first 30 seconds of trial for ignition then OFF for next 30 seconds If the pilot has COMBUSTION BLOWER DE ENERGIZED AFTER 30 not lit it turns back ON for the final 30 seconds The pilot valve remains energized during the entire SECOND POST PURGE 90 second trial for ignition NOTE If main limit string opens and takes longer than 2 minutes to close system goes into 1 hour wait period CIRCULATING BLOWER OFF AFTER DELAY WAIT FOR NEXT CALL FOR HEAT 440 01 1020 02 HONEYWELL SV9541M SMART VALVE Trouble shooting The 6 X designation indicates a combination of flash codes 6 flashes shows the control is in softlockout followed by X flashes to indicate the reason the control went into soft lockout Last status code indicates repair to address first LED STATUS INDICATES CHECK REPAIR Line voltage input at 1 and Neutral connectors on ST9160B Fan Timer Off No power to system control Low voltage 24V power at 24 VAC and COM terminals on ST9160B System wiring harness is in good condition and securely connected Heartbeat Normal indication whenever the system is powered unless some 4 P Not Applicable Normal Operation stand by or call for heat Bright Dim abnormal event has occurred Ee switches closed when it should be open Pressure switches stuck closed system will wait for pressure switch to i e when call for heat
55. Propane gas has a different BTU content orifices MUST be changed by licensed Propane installer Measured input can NOT exceed rated input Any major change in gas flow requires changing burner orifice size Gas Supply Pressure Gas supply pressure should be within minimum and maximum val ues listed on rating plate Pressures are usually set by gas suppli ers Manifold Gas Pressure Adjustment NOTE Make adjustmentto manifold pressure with burners operat ing A WARNING ELECTRICAL SHOCK HAZARD Failure to do so can result death personal injury and or property damage Turn OFF power to furnace before changing speed taps 1 Remove the burner compartment door 2 With gas OFF connect manometer to tapped opening on gas valve Use manometer with a 0 to 15 water column range 3 Turn gas ON and remove adjustment screw cover on gas valve Turn counterclockwise to decrease pressure and clockwise to increase 4 For altitudes up to 2000 set pressure to value shown in Table 6 0 3 water column 5 Connect manometer to the tapped opening on the outlet side of gas valve Use manometer with a 0 15 min water column range 6 Turngas ON fire the furnace and remove adjustment screw cover on gas valve 7 Turn counterclockwise to decrease pressure and clockwise to increase 8 Setpressure to value shown in Table 6 R eferto Important Notes in Table 6 Pressure is also listed on furnace rating plat
56. Sense Failure During Run Airflow P roving CircuitO pen During Run or Limit Circuit Open During Run The flash code will indicate which was the last abnormal event that put the system into the soft lockout state based on the table above Typical Gas Valve Honeywell Pilot Pressure Adjustment Hidden Manifold Pressure Adjustment Diagnostic Light dwg 25 23 31a 440 01 1020 02 HONEYWELL SV9541M SMART VALVE Sequence of Operation POWER APPLIED TO APPLIANCE THERMOSTAT CALLS FOR HEAT FOR PRESSURE SWITCHES TO OPEN PRESSURE SWITCHES PROVED OPEN COMBUSTION BLOWER ENERGIZED PRESSURE SWITCHES CLOSED WITHIN 30 SEC NO COMBUSTION BLOWER DE ENERGIZED FIVE MINUTE WAIT PERIOD ONDS 3 SECOND PRE PURGE PILOT VALVE OPENS THREE SECOND FLAME IGNITOR POWERED 1 FAILURE RECYCLE DELAY e PILOT LIGHTS AND FLAME IS SENSED NO PILOT VALVE CLOSES DURING 90 SECOND TRAIL FOR PILOT IGNITOR OFF IGNITION YES MAIN VALVE OPENS HEATING FAN ON DELAY BEGINS lt AFTER DELAY CIRCULATING BLOWER STARTS 5 CIRCULATING BLOWER OFF AFTER DELAY FLAME SENSE LOST PILOT AND MAIN VALVE CLOSE THERMOSTAT CALL FOR HEAT ENDS E LOST MORE THAN FIVE COMBUSTION AIR BLOWER OFF AFTER
57. and combustion air piping is Sized for each furnace Btuh size based on total lineal vent length on inlet or outlet side and number of 90 elbows required Two 45 elbows can be substituted for one 90 elbow The elbow or el bows usedforventtermination outside the structure ARE counted including elbows needed to bring termination above expected snow levels The elbow inside the furnace on the 9MPD IS NOT included in the count Pipe Diameter Table Jed N9MP1 amp 9MPD Models 50 000 75 000 amp 80 000 Btuh Furnaces 40 amp 5 90 elbows with 2 PVC pipe or 70 amp 5 90 elbows with 3 PVC pipe 100 000 Btuh Furnace 40 amp 5 90 elbows with 3 PVC pipe or 70 amp 5 90 elbows with 3 PVC pipe amp Long Vent Kit See Tech Manual 125 000 Btuh Furnace 40 amp 5 90 elbows with 3 PVC pipe Elbows are DWV Long Radius Type for 2 and 3 vents If more than five elbows are required reduce the length of both the inlet and exhaust pipes 5 for each additional elbow used 440 01 1020 02 NOTE It is allowable to use larger diameter pipe and fitting than shown in the tables but not smaller diameters than shown Pipe Diameter Table 9 2 Models 50 000 amp 80 000 Btuh Furnaces 40 amp 5 90 elbows with 2 PVC pipe 70 amp 5 90 elbows with 3 PVC pipe 75 000 Btuh Furnaces 25 amp 3 90 elbows with 2 PVC pipe or 40 amp 5 90 elbows with 2 PVC pipe amp Long
58. and size Your furnace is designed solely to provide a safe and comfortable living environment The furnace is NOT designed to ensure that water pipes will not freeze It is equipped with several safety de vices that are designed to turn the furnace off and prevent it from restarting in the event of various potentially unsafe conditions E 440 01 1020 02 If your furnace remains off for an extended time the pipes your home could freeze and burst resulting in serious water damage Water may create a condition in which mold can grow in yourhome Certain types of mold have been reported to cause respiratory problems orotherserious health risks Remedial actions including immediately drying all wet items should be taken quickly to help prevent the development of mold in your home Ifthe structure will be unattended during cold weather you should take these precautions L Turnoffthe watersupply to the structure and drain the water lines if possible and add an antifreeze for potable water to drain traps and toilet tanks Open faucets in appropriate areas Or 2 Have someone check the structure frequently during cold weather to make sure it is warm enough to prevent pipes from freezing Instruct them on a service agency to call to provide service if required Or 2 Installation A AY PAN CANT CARBON MONOXIDE POISONING HAZARD Failure to properly vent this furnace or other appliances can result in death personal i
59. art For parts not listed consult place of purchase Key Description Part 9MPD No Functional Number 050F12B 075F12B 080 168 100 148 100 208 1251208 10 Switch Pressure 1013802 1 1 1 1 1013812 1 1013166 1 11 Blower Exhaust J akel 1014388 1 1 1 1 1 1014341 1 12 Valve Gas HSP Nat 1013350 1 1 1 1 1 1 13 Burner Pilot HSP 1008731 1 1 1 1 1 1 14 Igniter Sensor HSP 1009524 1 1 1 1 1 1 15 Orifice Burner 42 Nat 1011351 2 3 4 4 5 44 Nat 1011352 4 16 Switch Limit Rollout 1013102 2 2 2 2 2 2 17 Burner Assembly 1008723 1 1008724 1008725 1008726 18 Switch Limit Main 1320366 1 34335002 1008445 1320367 1 1 1 19 Orifice Pilot 018 503211 1 1 1 1 1 1 Key Description Part 9MPD No Non Functional Number 050F12B 075F12B 080 168 100 148 100 208 1251208 Panel Top 1012866 1 1 1012867 1012868 Gasket Top Panel 1012603 1 1 1012604 1012605 Partition Blower 1172008 1 1172005 1 1172006 1 1 1172007 1 H Housing Blower 1012972 1012888 1 1 1 1 J Panel Blower Cutoff 721020013 1 721020008 1 Hanger Blower 1012328 2 2 L Door Blower Tempstar only 1014155 1 1 Tempstar only 1014170 1 1
60. ate drain line Copper iron or plastic tubing may be used for the condensate drain line Downflow Furnace Installation Non Combustible Floor Installation Fabricate a plenum to the dimensions given in Table 8 forthe fur nace outlet Plenum should be flanged approximately 3 4 for sup port Note The three 3 screws in the top panel ofthe furnace nextto the duct flange MUST be removed to provide serviceability of the pri mary heat exchangers in the downflow installation 1 Position plenum through the floor and set the furnace over the opening in the floor If necessary groutaround the base to seal air leaks between the base and the floor Combustible Floor Installation A VVARNING FIRE HAZARD Failure to install unit on noncombustible subbase can result in death personal injury and or property damage Place furnace on noncombustible subbase on downflow applications unless installing on non combustible flooring Subbase for Combustible Floor NOTE The three 3 screws in the top panel ofthe furnace nextto the ductflange MUST be removed to provide serviceability of the primary heat exchangers in the downflow installation Note When using the subbase for combustible floors the dis charge air ductflanges on the furnace MUST be broken down to provide proper fit up to the subbase Use duct pliers to bend the duct flanges flat onto the furnace casing DO NOT bend the duct flanges inward toward the heatexchangers as airflow
61. be attached to the furnace with sheet metal screws and to the rafters or joists with bolts The ferred method is to use an angle iron frame bolted to the rafters or joists Take caution to allow door panels to be removed for mainte nance Ifthe furnace is to be installed in crawl space consultlocalcodes A suitable concrete pad or blocks are recommended for crawl space installation on the ground NOTE 6 bottom clearance required for condensate trap Thirty 30 inches between the front of the furnace and adjacent construction or other appliances MUST be maintained for service clearance Keep all insulating materials clear from louvered door Insulating materials may be combustible The horizontal furnaces may be installed directly on combustible wood flooring or supports as long as all required furnace clear ances are met See Figure 4 This furnace MUST NOT be installed directly on carpeting or tile or other combustible material other than wood flooring or supports F orhorizontal installation finished living space A field fabri cated auxiliary drain pan with drain pipe is required to preventdam age by overflow due to blocked condensate drain Air Openings and Connecting Ducts 1 Totalinputrating forallnondirectventgas appliances MUST be considered when determining free area of openings 2 Connect ducts or openings directly to outside When screens are used to cover openings they MUST be no less
62. begins 2 Flashes open Combustion bloweris notenergized until pressure switches Pressure switches miswired or jumpered opens Pressure switches open when they should be closed i e longer than 30 seconds after combustion blower inducer is energized Ignition system control switch must be in the ON position 3 Flashes Pressure switches operation tubing and wiring System goes into 5 minute delay period with combustion blower Restrictions in furnace air intake or vent piping inducer off Atend ofthe 5 minute delay another cycle will begin Main Limit or Roll Out Switch is open Main limit switch Manual reset burner rollout switch 4 Flashes E EE EN Combustion blower is energized Circulating blower is energized Limit and rollout switch wiring is in good condition and securely heat speed connected Flame signal sensed out of proper sequence Flame at pilot burner 5 Flashes Combustion blower is energized Circulating blower is energized heat speed after the ON delay Soft Lockout Gas supply off or pressure too low or high for appliance to operate Damaged or broken HIS element Line voltage HOT lead wire not connected to L1 terminal on ST9160B 6Flashes mE D Furnace not properly earth grounded Combustion air blower is de energized Circulating blower is de ER 1 Flash Flame sense rod contaminated or in incorrect position energized after the OFF delay c d Pilot b
63. bow is approved for use inside the furnace ONLY VentFitting Combustion Blower Vent Extension Pipe Side Panel Exit SIDE VIEW Rotate downward 25 24 14a NOTE Built in channel will be angled 5 to 10 also J oining Pipe and Fittings A WARNING FIRE HAZARD Failure to do so may cause personal injury and or property damage Observe all cautions and warnings printed on material containers Provide adequate ventilation and do NOT assemble near heat source or open flame Do NOT smoke while using solvent cements and avoid contact with skin or eyes This furnace is approved for venting with Schedule 40 PVC ABS Cellular Core pipe fittings and SDR 26 PVC 440 01 1020 02 NOTE All PVC CPVC ABS and Cellular Core pipe fittings sol ventcement primers and procedures MUST conform to American National Standard Institute and American Society for Testing and Materials ANSI ASTM standards Pipe and Fittings ASTM 01785 02241 02466 02661 D2665 F 891 F 628 PVC Primer and Solvent Cement ASTM D2564 Procedure for Cementing J oints Ref ASTM D2855 NOTE In order to create a seal that allows future removal of pipe sealant MUST be used the inlet pipe where itjoins to the furnace PVC CPVC ABS and Cellular Core pipe and cement may be used on all other joints A CAUTION Do NOT use solvent cement that has become curdled Observe lumpy or thickened and do
64. ching the fan to Heat speed W signal removed from EFT The gas valve de energizes and the main burners go out The inducer runs atits present speed for a 30 second postpurge period Timed from the gas valve de energizing the Heat fan speed de energizes after the selected Heat Fan Delay time expires Heating Request with Gas Supply Line Shut Off 24 VAC signals applied to W terminal of EFT control Inducer motor turns on The gas valve solenoid energizes 440 01 1020 02 35 Following 3 second prepurge delay the pilot valve opens and the ignitor begins to warm up The ignitor glows red hot for 30 seconds then turns off The igniter stays off for 25 seconds then begins to warm up again The igniter glows red hot for 30 seconds then turns off The pilot valve closes 3 seconds after the igniter de energizes The inducer de energizes 5 seconds after the pilot valve closes The SmartValve proceeds to soft lockout and flashes error code 6 The control exits soft lockout after 5 minutes and begins another ignition sequence Gas Valve Diagnostic Codes See Figure 43 OFF Control not powered Heartbeat Normal Operation Standby or call for heat lFlash Notused 2 Flashes Pressure switch closed when should be open Flashes Pressure switch circuit was still sensed as open 30 seconds after the inducer was energized System is in 5 minute delay mode with inducer off After 5 minute delay a new
65. cover plate and gasket provided in the loose parts bag cover the hole from the burner compartment to the blower compartmentand secure with screws Mount the Trap externally to the bottom side of the unit using the 2 screws provided in the location shown Cut the corrugated tube as shown in the illustration above Con nect the corrugated hose from the transition to the Trap Secure connections with clamps Connect the black 1 2 ID Drain Tube from the Vent Drain to the Trap If an extension is required use the black 1 OD barbed coupling and the black 1 5 ID Drain Tube in the loose parts bag Cut tube to length Secure connections with clamps Connect the 3 16 ID relief tube to the middle port on the Trap If an extension is required use the 3 16 OD flexible tubing con Cut Here 25 24 49 nector and the black 3 16 ID relief tube in the loose parts bag Cut tube to length Cut an appropriate length of 2 PVC pipe fittings and extension pipe long enough to exit the cabinet and connect the vent drain to a standard field supplied 2 PVC tee Install Tee Trap into bottom section of Tee Connect the Tee trap and the main drain line exiting the casing as shown in Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fitup and inspected before final cementing Both the ex ternal Trap and the external Tee Trap must be primed before operation Verify all condensate drain co
66. crowned up to seal against rain or melting snow so ONLY the piping protrudes The termination clearances shown in Figure 7 main tained 15 Furnace applications with vertical vents requiring ventdiam eter increaser fittings must have increaser fittings installed in 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 nuisance tripping of the pressure switch Piping Insulation Guidelines NOTE Use closed cell neoprene insulation or equivalent If F iber glass or equivalentinsulation is used it must have a vapor barrier values of 7 up to 10 R 11 ifexposure exceeds 10 If F iber glass insulationis used exteriorto the structure the pipe MUST be boxed in and sealed against moisture 1 When the vent or combustion air pipe height above the roof exceeds 30 orifan exterior vertical riseris used on a hori zontal vent to get above snow levels the exterior portion MUST be insulated 2 When combustion air inlet piping is installed above a sus pended ceiling the pipe MUST be insulated with moisture resistant insulation such as Armaflex or other equivalent type of insulation 3 Insulate combustion airinletpiping when run in warm humid spaces such as basements Sizing Combustion Air and Vent Pipe Consult Table 3 or Table 4 to selectthe proper diameter exhaust and combustion air piping Exhaust
67. d already be connected to the Heat and Cool terminals Heating and Continuous Blower Speed the Same If it is necessary to operate the heating speed and continuous blower speed using the same blowerspeed connecta jumper be tween the Heat and Cont terminals on the electronic fan con trol Note There should be only ONE motor lead going to the Heat and Cont terminals See User s Information Manual and the Service Manual 10 Sequence of Operation amp Diagnostics The following is the normal operating sequence for the control system Cooling Y Request 24 VAC signals applied to Y amp G terminals of EFT electronic fan timer control Cool motor speed energized after 5 second Cool Fan On Delay time Y amp G signals removed from EFT Cool motor speed de energized after 90 second Cool Fan Off Delay time Circulating Fan G Request 24 VAC signals applied to G terminals of EFT control Heat motor speed energized without delay G signal removed from EFT e Heat motor speed de energized without delay Heating W Request 24 VAC signals applied to W terminal of EFT control Inducer motor turns on The gas valve solenoid energizes Following a 3 second prepurge delay the pilot valve opens and the ignitor begins to warm up e After the pilot lights the main burners energize and light Timed from the opening of the main gas valve the control will delay 30 seconds before swit
68. ded that the outlet duct be provided with a removable access panel This panelshould be accessible when the fur installed so the exterior ofthe heatexchangercan be viewed for inspections The access panel MUST be sealed to prevent leaks Control Center Fuse The 24V circuit contains a 5 amp automotive type fuse located on fan timer board See Figure 32 Any electrical shorts of 24V wiring during installation service or maintenance may cause fuse to blow If fuse replacementis required use only a fuse of identical size 5 amp Figure 32 Fan Timer Connections DIP Switch 25 23 41 4 If separate 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 field supplied can be either automatic or manu al Manually operated dampers MUST be equipped with a means to preventfurnace orairconditioning operation unless damperis in the full heat or cool position A WARNING CARBON MONOXIDE POISONING HAZARD This could resultin death personal injury and or property damage Cool air passing over heat exchanger can cause condensate to form resulting in heat exchanger failure Connections NOTE On upflow installations return air can enter through either side both sides or the bottom On horizontal or downflow installa tions the return air mustenter through the
69. densate drain connections are securely clamped A coupling and clamps in loose part bag may be installed as shown for future servicing of the vent system 21 Figure 17 Connecting Tee Trap to Condensate Trap and Main Drain Line d Exhaust gt E v Open Tee Evaporator Coil Drain Line REL Main Drain Line Condensate Trap The Tee Trap must be connected to the main condensate drain line as conceptually shown above Different installations may require slightly different orientations The following steps apply to all installations 9 TheTeeTrap should be installed as close to the side or top of the furnace as practical Minimize the distance between the inducer and the Tee Trap as much as possible 10 Anopenteeis to be used atthe Tee Trap discharge The top end ofthe tee should be open to the atmosphere to eliminate potential air lock problems 11 The drain line from the Tee Trap is to be connected to the fur nace condensate trap drain line as shown above 12 Condensate drain lines from a cooling coil may be con nected downstream of the connection point of the Tee Trap and Furnace Condensate Trap Important Prime
70. e 9 When pressure is set replace adjustment screw cover on gas valve 10 Replace the burner compartment door 440 01 1020 02 MANIFOLD PRESSURE AND ORIFICE SIZE FOR HIGH ALTITUDE APPLICATIONS Table 7 NATURAL GAS 0 1999 2000 2999 3000 3999 Heat Value Btu Cu Ft Elevation Above Sea Level 4000 4999 6000 6999 7000 7999 5000 5999 3w 3s 7 33 1000 1050 1100 2 9 2 8 2 7 2 6 Orifice Size 44 Orifice size for 80 000 BTUH model General Derating Rules 1 Foroperation with natural gas ataltitudes above 2 000 ori fice change and or manifold pressure adjustment may be re quired to suitgas supplied Check with gas supplier If orifice sizing is needed it should be based on reducing the input rating by 2 natural or 4 LP foreach 1 000 above sea level See Table 7 and Figure 28 for required pressure change and or orifice change for high altitudes 2 Foroperation with LP gas ataltitudes above 2 000 gas ori fices MUST be changed and manifold pressure MUST be maintained as perTable 6 F or the 50 000 75 000 100 000 and 125 000 BTUH Orifice sizes are 54 for 0 2000 above sea level 55 for 2000 7000 above sea level and 56 for 7000 8000 above sea level Forthe 80 000 BTUH models the orifice size is 55 for 4 000 above seal level and 56 for 5 000 8
71. e Trap externally to the bottom side ofthe unit using the 2 screws provided in the location shown Cutthe corrugated tube as shown in the illustration above Con nectthe corrugated hose from the transition to the Trap Secure connections with clamps Connect the black 4 2 ID Drain Tube from the Vent Drain to the Trap If an extension is required use the 1 5 OD barbed coupling and the black 1 2 ID Drain Tube in the loose parts bag Cut tube to length Secure connections with clamps Connect 3 6 ID relief tube to the middle port on the Trap If an extension is required use the clear 3 16 OD splice connector and the black 3 16 ID relief tube in the loose parts bag Cut tube to length 440 01 1020 02 Cut Here 25 24 50 Cutan appropriate length of 2 PVC pipe fittings and extension pipe long enough to exitthe cabinet and connectthe vent drain to either e standard field supplied 2 PVC tee N9MP1 and 2 mod els or A2 PVC coupling fastened onto the Drain Tee 9MPD models Install Tee Trap into bottom section of Tee Important The pipe to the Tee Trap must be level or sloping to wards the Tee Trap Connectthe Tee trap and the main drain line exiting the casing as shown in Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fitup and inspected before final cementing Both the ex ternal Trap and the external Tee Trap must be primed before operation Verify all con
72. e of Trap Install the black PVC drain connector 3 4 PVC x 1 5 CPVC from loose parts bag as shown the illustration above Cutthe black Drain Tube 5 g ID in loose parts bag to length to fit between Trap and tube connector through grommet Clamp both ends of the Drain Tube using clamps provided Glue the CP VC streetelbow to the Trap using appropriate cleaner and solvent cement Connectthe Tee trap and the main drain line exiting the casing as shown in Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fitup and inspected before final cementing Both the in ternal Trap and the external Tee Trap must be primed before operation Verify all condensate drain connections are securely clamped A coupling and clamps in loose part bag may be installed as shown for future servicing of the vent system 440 01 1020 02 Figure 10 All Models Vent thru Right Side Yellow or black Plastic Cap On Some Models ONLY Vent Drain amp Clamps 2 PVC Coupling Either The PVC Drain Tee or a field supplied 2 PVC Tee Single Pressure Switch Detain Tee Trap White PVC loose parts bag 5 8 ID Hose amp Clamps SIDE VIEW
73. erate within the furnace s in 3 Never obstruct the vent grilles or any ducts that provide tended temperature rise range with a duct system which has an external static pressure within the allowable range as specified in Technical S upportManual of these instruc tions When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space con taining the furnace the return air shall also be handled by a duct s sealed to the furnace casing and terminating out side the space containing the furnace A gas fired furnace for installation in a residential garage mustbe installed as specified in 2 Installation of these in structions This furnace is not to be used for temporary heating of air to the unit Air must be provided for proper combustion and ventilation of flue gases Frozen Water Pipe Hazard WARNING FROZEN AND BURST WATER PIPE HAZARD Failure to do so may result in burst water pipes serious property damage and or personal injury Furnace may shut down Do not leave your home unattended for long periods during freezing weather without turning off water supply and draining water pipes or otherwise protecting against the risk of frozen pipes buildings or structures under construction e This furnaceis NOT approved for installation in mobile homes trailers or recreation vehicles Seal around supply and return air ducts e Install correct filter type
74. es MUST NOT have solid yellow tips Flames extending directly from burnerinto heatexchang er Flames do NOT touch sides of heat exchanger If any problems with main burner flames are noted it may be nec essary to adjust gas pressures or check for drafts Burner Face 10 10 78 Temperature Rise Check The blower speed MUST be setto give the correctairtemperature rise through the furnace as marked on the rating plate Tempera ture rise is the difference between supply and return air tempera tures To check temperature rise use the following procedure 1 Place thermometers in supply and return air registers as close to furnace as possible avoiding direct radiant heat from heat exchangers 2 Operate furnace continuously for 15 minutes with all regis ters and duct dampers open 3 Take reading and compare with range specified on rating plate 4 Ifthe correct amount of temperature rise is NOT obtained it may be necessary to change blower speed A higher blower speed will lower the temperature rise A lower blower speed will increase the temperature rise Changing Blower Speed A WARNING ELECTRICAL SHOCK HAZARD Failure to do so can result in death and or personal injury Turn OFF power to furnace before changing speed taps NOTE The speed taps thatthe manufacturer sets from the factory for this product are based ona nominal 400 CFM per ton cooling and the basic mid range on the temperature rise fo
75. eveling of the furnace must be provided to insure proper drainage of the condensate from the furnace The furnace mustbe level to within 1 4 from frontto back and from side to side for upflow and downflow installations or top to bottom for horizontal installa tions Vent and Combustion Air Connections On the Dual Certified furnace the vent and combustion air pipes attach to the furnace through the top panel for the upflow and hori zontal installations For the downflow installation the vent and Horizontal Furnace Installation This furnace can be installed horizontally in an attic basement crawl space alcove or suspended from a ceiling ina basementor utility room See Figure 4 Do notinstall furnace on its back or the reverse airflow positions as safety control operation will be ad versely affected Figure4 Typical Horizontal Installation Inlet Pipe not used on Single Pipe model 25 23 34 NOTE 6 bottom clearance required for condensate trap 3 Combustion amp Ventilation Air For Single Pipe Installation A AT AN CARBON MONOXIDE POISONING HAZARD Failure to provide adequate combustion and ventilation air can result in death and or personal injury Use methods described here to provide combustion and ventilation air Furnaces require ventilation openings to provide sufficient air for proper combustion and ventilation of flue gases All duct or open ings for supplying combustion and ventilation
76. g Category furnace is removed or re placed the original venting system may longer be sized to prop erly vent the attached appliances and to make sure there is adequate combustion airforallappliances MAKE THE FOLLOW ING CHECK Figures vent check Vent Pipe Draft Hood Typical Gas Water Heater D Match If flame pulls towards draft hood this indicates sufficient venting 440 01 1020 02 A WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation while all other appliances connected to the venting system are not in operation could result in carbon monoxide poisoning or death The following steps shall be followed for each appliance connected to the venting system being placed into operation while all other appliances connected to the venting system are not in operation 1 Seal any unused openings in the venting system 2 Inspect the venting system for proper size and horizontal pitch as required in the National Fuel Gas Code ANSI Z223 1 NFPA 54 or CSA B149 1 Natural Gas and Pro pane Installation Codes and these instructions Deter mine that there is no blockage or restriction leakage cor rosion and other deficiencies which could cause an un safe condition As far as practical close all building doors and windows and all doors between the space in which the appliance s connected to t
77. g with Schedule 40 CPVC ABS Cellular Core pipe fittings and SDR 26 PVC NOTE All PVC CPVC ABS and Cellular Core pipe fittings sol vent cement primers and procedures MUST conform to American National Standard Institute and American Society for Testing and Materials ANSI ASTM standards Pipe and Fittings ASTM D1785 D2241 D2466 D2661 D2665 F 891 F 628 PVC Primer and Solvent Cement ASTM 02564 Procedure for Cementing J oints Ref ASTM 02855 NOTE All vent piping MUST be installed in compliance with local codes orordinances these instructions good trade practices and codes of country having jurisdiction 1 Determine the best routing and termination for the vent pipe and air inlet pipe by referring to all of the instructions and guidelines in this Section 2 Determine the size required for the vent pipe and air inlet pipe 3 Loosely assemble all venting parts without adhesive pipe joint cement for correct fit before final assembly 4 Use of vertical piping is preferred because there will be some moisture in the flue gases that may condense as it leaves the vent pipe See Special Instruction F or Horizontal Vents 5 Thevertical vent pipe MUST be supported so thatno weight is allowed to rest on the combustion blower 6 Exhaustvent piping or air inlet piping diameter MUST NOT be reduced 7 exhaust vent piping from the furnace to termination MUST slope upwards A minimum of 1 4 pe
78. he vent drain to the Trap and secure with aclamp Insome cases additional length will be required for this hose Use the Black plastic 1 5 OD barbed cou pling and a suitable section of 1 5 ID hose to make the connection Secure all connections with clamps Connect 3 16 ID relief tube from the small port on the Trap to the top portofthe transition as shown inthe picture Insomecases Preassemble amp insert into furnace 25 24 45 additional hose length will be needed Use the clear plastic 3 16 OD flexible tubing connector and a suitable length of extra 3 16 ID hose to make this connection Install the vent pipe grommet into the casing Cutan appropriate length of 2 PVC pipe long enough to exit the cabinet and connect the vent drain to either e Standard field supplied 2 PVC tee 9 and 2 mod els or e 2 PVC coupling fastened onto the Drain Tee 9MPD models Install Tee Trap into bottom section of Tee Connect the Tee trap and the main drain line exiting the casing as shown in Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fit up and inspected before final cementing Both the ex ternal Trap and the external Tee Trap must be primed before operation Verify all condensate drain connections are securely clamped A coupling and clamps in loose part bag may be installed as shown for future servicing of the vent system 440 01 1020 02 Figure 12_
79. he venting system are located and other spaces of the building Close fireplace dampers Turn on clothes dryers and any appliance not connected to the venting system Turn on any exhaustfans such as range hoods and bathroom exhausts so they will operat ing atmaximum speed Do notoperate a summerexhaust fan Follow the lighting instructions Place the appliance being inspected into operation Adjustthermostat so appliance is operating continuously Test for spillage from draft hood equipped appliances at the drafthood reliefopening after 5 minutes of main burner operation Use the flame of a match or candle Figure 6 If improper venting is observed during any of the above tests the venting system must be corrected in accor dance with the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or CSA B149 1 Natural Gas and Propane Installation Codes After it has been determined that each appliance con nected to the venting system properly vents when tested as outlined above return doors windows exhaustfans fireplace dampers and any other gas fired burning ap pliance to their previous conditions of use For Two Pipe Installation This furnace can NOT be common vented orconnected to any type B BW orL ventor ventconnector norto any portion of a factory built or masonry chimney If this furnace is replacing a previously common vented furnace itmay be necessary to resize the existing vent and chimney to prevent
80. hority having jurisdiction black iron pipe shall be installed at gas valve and extended a minimum of 2 outside furnace casing 4 Use black iron or steel pipe and fittings or other pipe ap proved by local code NOTE The use of copper tubing forgas piping is NOT approved by the state of Massachusetts 5 Useground jointunions and installa drip leg no less than 3 long to trap dirt and moisture before it can enter gas valve 6 Use two pipe wrenches when making connections to pre vent gas valve from turning 7 Install a manual shut off valve external to furnace casing and tighten all joints securely Additional LP Connection Requirements 1 Havea licensed LP gas dealer make all connections atstor age tank and check all connections from tank to furnace 2 Ifcoppertubing is used t MUST comply with limitation National Fuel Gas Code or CGA codes 3 Two stage regulation of LP gas is recommended Final Check 1 The furnace and the gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 PSIG Close the manual shut off valve before testing at such pressures 2 When installation is complete test all pipe connections for leaks with the gas pressure less than 1 2 PSIG to the gas valve 3 Apply a commercial soap solution to all joints to test for leaks Correct any leaks indicated by bubbles 4 Correct even the sma
81. ing 1171997 1 1 1 1 1 1 Tube Releif Ext 1009238 1 1 1 1 1 1 Connector R eleif Tube 1171998 1 1 1 1 1 1 Plate Cover 1171999 1 1 1 1 1 1 Gasket Cover Plate 1172000 1 1 1 1 1 1 Cap Drain Tee 1172001 1 1 1 1 1 1 Clamp Tee Cap 1172002 1 1 1 1 1 1 Installation Manual 44001102000 1 1 1 1 1 1 User s Manual 44102201000 1 1 1 1 1 1 Gas Conversion Kits ev Natto LP NAHFOO2LP 1009509 1 1 1 1 1 LP to Nat NAHF002NG 1009510 1 1 1 1 1 Nat to LP 1013815 1 2 gt LP to Nat NAHF003NG 1013816 1 Order from Service Parts 440 01 1020 02
82. intake death personal injury and or property damage 6 InCanada the Canadian Fuel Gas Code takes precedence Inlet and outlet pipes may NOT be vented directly over the preceding termination instructions above each other standard vent terminals Concentric Vent Termination Kit 1 Determine termination locations based on clearances spe NAHAOOLCV amp NAHAO02CV cified in following steps and as shown in Figure7 These kits are for vertical or horizontal termination of the combus Figure 44 through Figure 49 tion air inlet and the exhaust vent pipes on Category IV gas fired 2 The vent termination must be located at least 12 above CONdensing furnaces The 001 kit can be used for 3 di ground or normally expected snow accumulation levels ameter pipe systems The 002 kit can be used for 2 di ameter pipe system Refer to Table 10 for the correct pipe size for 3 Do NOT terminate over public walkways Avoidareas where furnace Both the combustion air inlet and the exhaust vent condensate may cause problems such as above planters must attach to the termination kit The termination kit must patios oradjacentto windows where steam may cause fog terminate outside the structure and must be installed per the ging instructions outlined below for vertical or horizontal termination 440 01 1020 02 Vertical termination is preferred Field supplied pipe and fittings 4
83. ion air piping as indicated in Figure 19 and Figure 20 A metalshield is recommended 18 x 18 min or 18 min diameter around the venttermination atthe exterior wall to protectthe house exterior materials from flue product or condensation freezing damage Using Exterior Risers 1 Install elbows and pipe to form riser as shown in Figure 20 2 Secure vent pipe to wall with galvanized strap or other rust resistant material to restrain pipe from moving 3 Insulate pipe with Armaflex or equivalent moisture resistant closed cell foam insulation or Fiberglass insulation if boxed in and sealed against moisture Sidewall Termination with Exterior Risers to Get Above Snow Level or Grade Level 18 Minimum for cold climates substained below 0 F GRADE LEVEL SNOW LEVEL 25 00 04F Vertical Termination 1 Figure 21shows the proper installation and clearances for vertical vent termination The vertical roof 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 above the roof or snow accumulation level and 12 away from a vertical wall or other protrusion 2 Ifthe vent system is installed in an existing chimney make sure clearances shown in Figure 21 are maintained Hori zontalsection before the termination elbow can be extended on the inlet air to provide necessary clearance ENSA gt 27
84. ion air comes frominside the structure adequate make up air MUST be provided to compensate foroxygen burned See Confined Space Installa tion in the Combustion and Ventilation Air chapter If combus tion airis drawn from outside the structure it MUST be taken from the same atmospheric pressure zone as the vent pipe Contaminated Combustion Air Installations in certain areas or types of structures will increase the exposure to chemicals or halogens that may harm the furnace The following areas or types of structures may contain or have ex posure to the substances listed below The installation must be evaluated carefully as itmay be necessaryto provide outside airfor combustion Commercial buildings Buildings with indoor pools Furnaces installed in laundry rooms Furnaces installed in hobby or craft rooms Furnaces installed near chemical storage areas Permanent wave solutions for hair e Chlorinated waxes and cleaners e Chlorine based swimming pool chemicals Water softening chemicals e De icing salts or chemicals Carbon tetrachloride Halogen type refrigerants Cleaning solvents such as perchloroethylene Printing inks paint removers varnishes etc e Hydrochloric acid e Sulfuric Acid Solvent cements and glues Antistatic fabric softeners for clothes dryers Masonry acid washing materials Vent and Combustion Air Piping Guidelines This furnace is approved for ventin
85. ion contained in this manual is other items intended for use by a qualified service technician Carbon monoxide can cause serious bodily injury and or who is experienced in such work who is familiar death Carbon monoxide or CO is a colorless and odorless with all precautions and safety procedures required gas produced when fuelis notburned completely or when the in such work and is equipped with the proper tools flame does not receive sufficient oxygen and test instruments Therefore to help alert people of potentially dangerous car bon monoxide levels you should have carbon monoxide de tectors fat are listed by a nationally recognized agency e g NOTE This furnace is design certified by the CSA International Underwriters Laboratories orInternational Approvals ervices formerly AGA and CGA for installation in the United States and installed and maintained in the building or dwelling see Note Canada eferto the appropriate codes along with this manual for below REESEN There be numerous sources of fire or smoke a building Use only the Type of gas approved for this furnace see Rating Plate on unit Overfiring will resultin failure of heat exchanger and cause dangerous operation Furnaces can be converted to L P gas with approved kit Install this furnace only a location and position as speci fied in 2 Installation of these instructions Provide adequate combustion and ventilation air to the
86. knockoutopening in the lower panel of the furnace Return air can notenter through rear of the furnace When the furnace is located in an area near or adja cent to the living area the system should be carefully designed with returns to minimize noise transmission through the return grille Any blower moving a high volume of air will produce audible noise which could be objectionable to when the unitis located very close to living areas Itis advisable to route the return air ducts un der the floor or through the attic 440 01 1020 02 1 Forside connections using 16 x 25 filter cutoutthe em bossed area shown in Figure 33 This will provide a 141 5 x 2217 approximate opening Figure33 Side Return Air Cutout 141 Height of Cutout for 16 x 25 Filter B 221 gt Width of Cutout for 16 x 25 Filter Embossed Area on Side of Furnace NOTE Furnaces with 5 TONS cooling rating require two 2 side returns or one side return with bottom return 2 Bottom returns can be made by removing the knockout pan elin the furnace base Do NOT remove knock outexceptfor a bottom return 3 Installation oflocking type dampers are recommended inall branches orin individual ducts to balance system s airflow 4 Non combustible flexible duct connectors are recom mended for return and supply connections to furnace 5 If air return grille is located close to the fan inlet install at leastone 90
87. lled as shown for future servicing of the vent system 440 01 1020 02 Horizontal Left Side Vent Single Pressure Switch Detail Alternate Orienation 471514 d Field Yellow or black Plastic Cap Supplied Tee Level or Sloped towards Tee Vent Drain Dual Pressure Switch amp Clamps Tee Trap White PVC loose parts bag On Some Models ONLY 1 ID Drain Elbow Drain Hose amp Splice Connector Cut to fit Relief Tube Drain Tube Black 5 8 ID Corrugated Drain Tube Black 5 5 ID Corrugated Cutat straight section a Leave room for clamp Cut Here Horizontal Left Side Vent See Figure 14 Remove the Drain Tee from the VentDrain if installed D mod els only Rotate the inducer 180 fora side ventafter loosening the 4 inducer attachment screws Reinstall and retighten the inducer screws to 20 pounds torque Disconnect the hoses from the Trap assembly and remove Trap and Trap mounting bracket from the blower compartment Using cover plate and gasket provided in the loose parts bag cover the hole from the burner compartment to the blower compartmentand secure with screws Mount the Trap externally to the bo
88. llest leak at once 5 Check for leaks at gas valve and orifice connections to the burner manifold along with the pilot tube connections to the valve and pilot assembly while the furnace is operating 6 Electrical Wiring A Electrical shock hazard Failure to do so can result in death personal injury and or property damage Turn OFF electrical power at fuse box or service panel before making any electrical connections and ensure a proper ground connection is made before connecting line voltage Power Supply Wiring The furnace MUST be electrically wired and grounded in accor dance with local codes or in the absence of local codes with the latest edition of The National Electric Code ANSI 70 and or The Canadian Electric Code CSA C22 1 The powersupply to the furnace connections mustbe between 104 VAC and 127 VAC during furnace operation for acceptable perfor mance Field wiring connections mustbe made inside the furnace connec tion box A suitable strain relief should be used at the point the wires exit the furnace casing Copper conductors must be used Line voltage wires should be sized forthe input amps stated on the rating plate Furnace should be connected to its own separate circuit Thermostat Thermostat location has importanteffect on the operation ofthe unit Follow instructions included with thermostat for correct mounting and wiring Low voltage connections to furnace m
89. lted to the rafters or joists This furnace may be used for construction heat provided that e The furnace is permanently installed with all electrical wiring piping venting and ducting installed according to these installation instructions A return air ductis provided sealed to the furnace casing and terminated outside the space con taining the furnace This prevents a negative pressure con dition as created by the circulating air blower causing a flame rollout and or drawing combustion products into the structure e The furnace is controlled by a thermostat It may notbe hot wired to provide heat continuously to the structure without thermostatic control e Clean outside airis provided for combustion This is to mini mize the corrosive effects of adhesives sealers and other construction materials It also prevents the entrainment of drywall dust into combustion air which can cause fouling and plugging of furnace components The temperature of the return air to the furnace is no less than 55 with no evening setback orshutdown The use of the furnace while the structure is under construction is deemed to be intermittent operation per our installation in structions e The airtemperature rise is within the rated rise range on the furnace rating plate and the firing rate has been set to the rating plate value The filters used to clean the circulating air during the construction process must be either changed
90. njury and or property damage This furnace NOT be common vented or connected to any type B BW or L vent or vent connector nor to any portion of a factory built or masonry chimney If this furnace is replacing previously common vented furnace it may be necessary to resize the existing vent and chimney to prevent oversizing problems forthe other remaining appliance s See Venting and Combustion Air Checkin Gas VentInstallation section This furnace MUST be vented to the outside Location and Clearances 4 Referto Figure 1 or Figure 2 for typical installation and ba sic connecting parts required Refer to Figure 4 for typical horizontal directventinstallation and basic connecting parts required Supply and return air plenums and duct are also required 5 Iffurnaceis a replacement itis usually bestto install the fur nace where the old one was Choose the location or evalu ate the existing location based upon the minimum clearance and furnace dimensions Figure 3 3 Installa reliable remote sensing device that will notify some body of freezing conditions within the home Winter Shutdown If you go away during the winter months and do leave the heat on in your home the plastic transition box and the condensate trap on the furnace must be protected from freeze damage See Figure 8 trough Figure 17 1 Disconnect the 5 OD rubber hose from the vent drain fit ting thatis located downstream ofthe combu
91. nnections are securely clamped A coupling and clamps in loose part bag may be installed as shown for future servicing of the vent system 440 01 1020 02 Horizontal Right Side Vent Single Pressure Switch Detail Yellow or black Plastic Cap f AAN Coupling amp Clamps Optional d Koch JT LIEN 7 Vent Drain amp Clamps Field Level or Sloped towards Tee Supplied Tee Tee Trap 3 16 ID Rubber Ve Relief Tube 1 Splice Connector Relief Tube or El White PVC p orn loose parts bag Elbow On Some Models ONLY lt INLET j Alternate Orienation b Dual Pressure Switch Barbed coupling Drain Tube Black 5 ID Corrugated Cut at straightsection m i Drain Hose Cut to fit Leave room for clamp Horizontal Right Side Vent See Figure 16 Disconnect Drain Tee if installed 9 models only Disconnect the hoses from the Trap assembly and remove Trap and Trap mounting bracket from the blower compartment Using cover plate and gasket provided in the loose parts bag cover the hole from the burner compartment to the blower compartmentand secure with screws Mount th
92. nstallation Instruct 90 single Stage C H T Category M Furnace FAN ASSISTED DIRECT VENT GAS FURNACE SAFETY REQUIREMENTS Recognize safety information This is the EE When yousee this symbolon the furnace and in instructions manuals be alertto the potential for personal injury Understand the signal words DANGER WARNING or CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards those that will result in severe personal injury ordeath WARNING signifies a hazard that could result in personal injury or death CAUTION is used to identify unsafe practices that could result in minor personal injury or product and property damage Installing and servicing heating equipment can be hazardous due to gas and electrical components Only trained and qualified personnel should install repair or service heating equipment Untrained service personnel can perform basic maintenance functions such as cleaning and replacing air filters All other operations must be performed by trained service personnel When working on heating equipment observe precautions in the literature ontags andon labels attached to or shipped with the unit and other safety precautions that may apply Follow all safety codes In the United States follow all safety codes including the current edition National Fuel Gas Code NFGC ANSI Z223 1 2002 NFPA No 54 2002 In Canada refer to the current edition of the National Standard
93. of Canada Natural Gas and Propane Installation Code NSCNGPIC CSA B149 1 00 Wear safety glasses and work gloves Have fire extinguisher available during start up and adjustment procedures and service calls These instructions coverminimum requirements and conform to existing national standards and safety codes In some instances these instructions exceed certain local codes and ordinances especially those thatmay nothave keptup with changing residential construction practices We require these instructions as a minimum for a safe installation INSTALLER Affix these instructions RATING on or adjacent to the furnace CERTIFIED ama CONSUMER Retain these instructions for future reference International Comfort Products Corporation USA Lewisburg TN 37091 U S A Table of C ontents 1 Safe Installation Requirements 3 7 Ductwork and Filter 30 2 Installation 4 8 Checks and Adjustments 33 3 Combustion amp Ventilation 7 9 Furnace Maintenance 35 4 Vent amp Combustion Air Piping 10 10 Sequence of Operation amp Diagnostics 35 5 Gas Supply and Piping 26 11 Concentric Vent Termination 39 6 Electrical Wiring 30 Tech Support and Parts 43 A WARNING WAR
94. ofthe furnace Insertfilter into side clips firstand push filter back until itis fully engaged into back clip When filter is in place slide clips back into place midway on filter as shown in Figure 35 Figure 35 Bottom Mounted Filter Rack Slide filter clips towards back before removing Refer to Figure 36 and for guidelines to install filters Furnaces which require larger filter media and have limited clearances on one side of furnace require a standoff filter rack see Figure 36 available from your distributor Using Optional Standoff Filter Rack 25 21 45a CAUTION If filters are only suitable for heating application advise homeowner that filter size may need to be increased if air conditioning is added Addition Of Air Conditioning When a refrigeration coilis used in conjunction with this unit itmust be installed onthe discharge side ofthe unitto avoid condensation on the heat exchanger The coil installation instructions must be consulted for proper coil location and installation procedures With a parallel flow arrangement dampers mustbe installed to prevent chilled airfrom entering the furnace If manually operated dampers are used they mustbe equipped with a means to preventoperation of either unit unless the damper is in full heat or full cool position A 3 clearance is required on the rightside ofthe furnace in order to runthe condens
95. operation Verify all condensate drain connections are securely clamped A coupling and clamps in loose part bag may be installed as shown for future servicing of the vent system Figure 13 Horizontal Left Thru Top Vent Drain amp Clamps Yellow or black Plastic Single Pressure Switch Detail Trap Connection Clamp ears Pointed OUT Preassemble amp Alternate Orienation insert into furnace 3 16 ID Rubber Tube mt Sec DEU E Relief Tube 3 16 OD Flexible tubing connector Relief Tube Extension 1 ID Drain Hose amp Clamps Coupling amp Clamps Field Optional Supplied Tee Cap and Clamp Tee Trap White PVC Open End loose parts bag Horizontal Left Thru Top See Figure 13 Disconnectthe hoses from the Trap assembly and remove Trap and Trap mounting bracket from the blower compartment Using cover plate and gasket provided in the loose parts bag cover the hole from the burner compartmentto the blower compartmentand secure with screws Mountthe Trap externally to the bottom side ofthe unit using the 2 screws provided in the location shown
96. outside the cabinet Manual shut off valve MUST be upstream of dripleg union and furnace Union may be installed inside the cabinet when necessary because of clearances Gas Piping Requirements NOTE The gas supply line must be installed by a qualified service technician in accordance with all building codes In the state of Massachusetts gas supply connections MUST be performed by a licensed plumber or gas fitter 1 Properlysize gas pipe to handle combined appliance load or run gas pipe directly from gas meterorLP gas regulator R e fer to NFGC and ANSI Z223 1 for proper gas pipe size 2 Install correct pipe size for run length and furnace rating Manual shut off valve Models may havelor2 pressure Switches 25 23 37b Manual shut off valve TERIS Models may have 1 2 pressure switches Gas Pipe Grommet Single Pipe 25 23 39 3 Measure pipe length from gas meter or LP second stage regulator NOTE Refer to Figure 29 or Figure 30 for the general layout at the furnace The rules listed apply to natural LP gas pipe instal lations NOTE On the Dual Certified or Direct 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 440 01 1020 02 A CAUTION If a flexible connector is required or allowed by aut
97. oversizing problems for the other re maining appliance s See Venting and Combustion Air Check in this section This furnace MUST be vented to the outside 4 Vent and Combustion Air Piping A WARNING CARBON MONOXIDE POISONING FIRE AND EXPLOSION HAZARD Failure to properly vent this furnace can result in death personal injury and or property damage Read and follow all instructions in this section Single Pipe 9 1 Models This furnace is certified as a category IV appliance This furnace requires ventilation openings to provide air for proper combustion and ventilation of flue gases All duct or openings for supplying combustion and ventilation air must comply with the gas codes or in absence of local codes the applicable national codes When the installation is complete see the Venting and Combus tion Air Check in this manual Direct Vent N9MP2 Models This furnace is certified as a category IV appliance This furnace uses outside air for combustion ONLY it MUST be taken from the same atmospheric pressure zone as the ventpipe See Confined Space Installation in the Combustion and Ventilation Air in this manual Dual Certified 9MPD Models This furnace is certified as a category IV appliance This furnace be installed as a direct vent furnace using outside air for com bustion orthe furnace can use air from inside the structure bustion The INLET air pipe is optional If combust
98. pace or homes with tight construction may not have adequate air infiltration for proper combustion and ventilation of flue gases Most homes will require additional air unconfined space is defined as an area having a minimum vol ume of 50 cubic feetper 1 000 Btuh total input rating forall gas ap pliances in area Refer to Table 2 for minimum area required Unconfined Space Table 2 die e Minimum Area Square Feet BTUH Input Rating Minimum Area in Square Feet 50 000 000 000 35838 98 15500 368 EXAMPLE NOTE Square feet is based 8 foot ceilings 28 000 BTUH X 50 Cubic Ft 1 000 1 400 8 Ceiling Height 175 Sq Ft NOTE Refer to definitions in section titled Unusually Tight Construction If any one of the conditions apply the space MUST be considered confined space regardless of size 1 Adjoining rooms be considered part of an unconfined area if there are openings without doors between rooms 2 An attic or crawl space may be considered an unconfined space provided there are adequate ventilation openings di rectly to outdoors Openings MUST remain open and NOT have any means of being closed off Ventilation openings to outdoors MUST be atleast 1 square of free area per 4 000 BTUH of total input rating for all gas appliances in area 440 01 1020 02 3 Install air intake a minimum of 12 above maximum snow level and clear of any obstruction
99. panels Remove the 3 hole plug from the side panel and relocate to the air intake hole in the top panel Use four screws to seal the four 4 mounting holes in the top panel next to the hole plug Drill four 4 7 64 diameter holes in the casing using the airin take coupling as the template 440 01 1020 02 The air intake coupling is sized for 2 PVC pipe Install the combustion air pipe to the air intake coupling using sealant to provide for future serviceability Vent Pipe Connection Install the vent pipe grommet to the furnace panel Locate the grommet in the furnace panel ata location directly away from the ventfitting on the combustion blower The grommetsnaps into the 3 hole plug from the furnace panel NOTE Depending on the installation position the vent pipe grommet will be installed to the top panelorto the alternate location on the side panels If needed remove the 3 hole plug from the furnace panel and relocate to the open hole in the furnace panel See Figure 8 or Figure 17 Install the vent pipe to the rubber coupling the vent fitting or the PVC ventextension pipe Securely attach using the clamp or PVC cement as required Note The ventfitting MUST be installed with theairflow mark ing arrow pointed toward the vent pipe See Figure 18 Some installations require the ventfitting to be installed with a 5 to 10 downward slope See Figure 8 thru Figure 17 Vent Pipe Top Panel Exit NOTE The 90 el
100. ping ombustion air blower is de energized Circulating blower is de High winds blowing against vent energized after the OFF delay After 5 minute delay time control system will reset and initiate a new ignition sequence Soft Lockout Last failure was limit circuit opened during run Main limit switch Limit and rollout switch wiring is in good condition and securely connected Restriction in duct work Dirty filter 6 Flashes 4 Flashes Combustion air blower is de energized Circulating blower is de energized after the OFF delay After 5 minute delay time control system will reset and initiate a new ignition sequence Soft Lockout Blower failure typical Dead blower 7 Flashes Limit trip took longer than 2 minutes to reset Blocked duct work System will start a new ignition sequence after 1 hour if call for heat still present 11 Concentric Termination Vent Termination Clearances 4 Theventtermination shall be located atleast 4 horizontally from any electric meter gas meter gas regulator and any relief equipment These distances apply ONLY to U S WARNING installations 5 The vent termination is to be located at least 3 above any CARBON MONOXIDE POISONING FIRE AND EXPLO forced air inlet located within 10 and at least 10 from a SION HAZARD combustion air intake of another appliance except another Failure to properly vent this furnace can result in direct vent furnace
101. r foot of run is required to properly return condensate to the furnace drain System 8 Use DWV type long radius elbows whenever possible as they provide for the minimum slope on horizontal runs and they provide less resistance in the vent system If DWV el bows cannot be used use two 45 elbows when possible On horizontal runs the elbows can be slightly misaligned to provide the correct slope 9 All horizontal pipe runs MUST be supported at least every five feet with galvanized strap or other rust resistant materi al NO sags dips are permitted 10 All vertical pipe runs MUST be supported every six feet where accessible 11 The minimum pipe run length is 27 12 The piping can be run in the same chase or adjacent to sup ply or vent pipe for water supply or waste plumbing It can also be run in the same chase with a vent from another 90 furnace NOTE In NO case can the piping be run in a chase where temperatures can exceed 140 F or where radiated heat from adjacent surfaces would exceed 140 F 13 The vent outlet MUST be installed to terminate in the same atmospheric pressure zone as the combustion air inlet 14 The ventsystem can be installed in an existing unused chim ney provided that 440 01 1020 02 Both the exhaust vent and air intake run the length of the chimney No other gas fired appliance or fireplace solid fuel is vented into the chimney The top of the chimney MUST be sealed flush or
102. r heating Since the manufacturer cannot establish the static pressure that will be applied to the unit itis the responsibility of the in staller dealer contractor to select the proper speed taps forthe application when the unit is installed A CAUTION Failure to properly set the air temperature rise could result in reduced furnace life Use ONLY the following blower motor speed taps for setting air temperature rise Blower Motor Speed Taps Model Sizes Hi BLK All Med Hi All except 050 14 Med Lo BL All except 075B F 12 and 100F J 14 050B F 12 100 20 and 125 L20 If itis necessary to change speeds refer to steps below 1 Refer to Furnace Wiring Diagram for location ofthe heating and cooling speed taps located on the electronic fan control as wellas location of unused blower motorspeed leads Use the chart Table 9 to determine the blower motor speed set tings Blower Speed Chart Wire Color Motor Speed Med High Med High speed may not be E on T models Change the heat or cool blower motor speed by removing the motor lead from the Heat or Cool terminal and re place itwith the desired motorspeed lead fromthe Unused Motor Lead location Connectthe wire previously removed from the Heat or Cool terminal to the vacated Unused Motor Lead terminal Lo RED 440 01 1020 02 3 Ifthe same speed must be used for both heating and cool ing remove the undesired motor speed lead from the
103. ring Rate See Checks and Adjustments 5 tion Temperature Rise supply return temperature F Measured Manifold Gas Pressure Static Pressure Ducts Supply Air Return Date of Start Up 2 440 01 1020 02 1 Safe Installation Requirements A WVARNING DEATH PERSONAL INJ URY AND OR PROPERTY DAMAGE Failure to carefully read and follow all instructions in this manual can result in furnace malfunction death personal injury and or property damage Unit MUST be installed so electrical components are pro tected from direct contact with water Safety Rules Yourunitis builtto provide many years of safe and dependable ser vice providing it is properly installed and maintained However abuse and or improper use can shorten the life of the unit and create hazards for you the owner Installation or repairs made by unqualified persons A The U S Consumer Product Safety Commission recom can result in hazards to you and others Installation mends that users of gas burning appliances install carbon MUST conform with local codes or in the absence monoxide detectors There can be various sources of carbon of local codes with codes of all governmental monoxide in a building ordwelling The sources could be gas authorities having jurisdiction fired clothes dryers gas cooking stoves water heaters fur naces gas fired fireplaces wood fireplaces and several The informat
104. rs do NOT bind on new ori fices Natural Gas Input Rating Check NOTE The gas meter can be used to measure input to furnace Rating is based on a natural gas BTU content of 1 000 BTU s per cubic meter Check with gas supplier for actual BTU content 1 Make sure burner compartmentdooris in place before per forming the following steps 2 Turn OFF gas supply to all appliances and start furnace No of Seconds Time Per Cubic Per Hour Footin Seconds BTU Per Hour Natural Gas BTU Content 1 000 3 600 75 000 1 000 x 3 600 48 75 000 BTUH 3 Time how many seconds ittakes the smallestdial on the gas meter to make one complete revolution Refer to Example 4 Relight all appliances and ensure all pilots are operating NOTE If meter uses 2 cubic footdial divide results seconds by two Figure29 Typical Gas Piping for Upflow Drip Leg and Union Union should be outside the Gas Pipe Grommet Single Pipe cabinet Manual shut off valve MUST be upstream of dripleg union and furnace Use elbows and 3 pipe nipple to connect valve to piping when using right side gas pipe entry LP Low pressure switch Optional on some models Union may be installed inside the cabinet when necessary because of clearances Use elbows and 3 pipe nipple to connect valve to piping when using left side gas pipe entry LP Low pressure switch Optional LP conversion Drip Leg and Union Union should be
105. shall be located atleast 4 horizontally from any electric meter gas meter regulator and any relief equipment These distances apply ONLY to 0 5 installa tions 5 The vent termination is to be located at least 3 above any forced air inlet located within 10 and at least 10 from a combustion air intake of another appliance except another direct vent furnace intake 6 the Canadian Fuel Gas Code takes precedence over the preceding termination instructions Vent Termination Clearances United States Only In Canada See Canadian Fuel Gas Code Other Than Direct Vent gt Terminal Other Than Direct Vent Terminal Direct Vent Terminal 50 000 Btuh orless Other Than NM Direct Vent _ Forced Air Terminal E Inlet Direct Vent Terminal More Than 50 000 Btuh 10 11 36 Condensate Drain Trap This furnace removes both sensible and latent heatfrom the prod ucts of combustion Removal of the latent heat results in con densation of the water vapor The condensate is removed from the furnace through the drains in the plastic transition and the ventfit ting The drains connect to the externally mounted condensate drain trap on the left or right side of the furnace The startup of a new furnace will involve a cycle or two of the fur nace to properly prime the condensate trap with water Until the trap is fully primed some condensate will be pulled into the com bustion blower The f
106. stat Heat Anticipator Temp Rise F Nat LP 50 000 46 000 40 10 35 65 Nat LP 75 000 69 000 40 10 40 70 Nat LP 80 000 73 600 40 10 35 65 Nat LP 100 000 92 000 40 10 40 70 Nat LP 100 000 92 000 40 10 40 70 Nat LP 125 000 115 000 40 10 40 70 Electrical Volts Hz F LA Gas amp Ignition Gas Type Gas Valve Regulation Type IgnitionType S eries Manifold Press Inch s WC Std Main Orifices No Size Pilot Orifice S ize Fan Controls Fan Control Type Fan Control Timed secs Combustion Flue Outlet Size Inches Std Outlet Temp 5 No Elbows Blower Pressure 5 No Elbows WC Blower Pressure 40 5 90 DWV Elbows WC Transition Bx Pressure 5 No Elbows WC Transition Bx Pressure 40 45 90 DWV Elbows WC Limits amp Controls Rollout Switch Limit Control S etting F Standard Pressure S w Part No Blower Switch P ressure Close WC Blower Switch Pressure Open WC Transition Switch Pressure Close WC Transition S witch P ressure Open WC High Altitude P ressure Sw Part No Blower S witch Pressure Close WC Blower Switch Pressure Open WC Transition Switch Pressure Close WC Transition S witch Pressure Open WC Long Vent Kit Part No Pressure Switch Part No Blower S witch Pressure Close WC Blower Switch Pressure Open WC Transition Switch Pressure Close Transition S witch P ressure
107. stion blower sert a funnel into the hose and pour four 4 ounces of sanitary type RV antifreeze into the condensate trap Re connect the 5 5 OD rubber hose to the stub on the ventdrain fitting Secure with the hose clamp 2 Disconnect the 3 4 OD rubber hose from the condensate trap Insert a funnel into the hose and and pour four 4 ounces of sanitary type RV antifreeze into the plastic Tran sition box Squeeze the hose together near the end and quickly reconnect the 3 4 OD rubber hose to the stub on the condensate trap Secure with the hose clamp When you return home your furnace will be ready to start as itis not necessary to drain the antifreeze from the furnace CAUTION Special precautions MUST be made if installing furnace in an area which may drop below freezing This can cause improper operation or damage to equipment If furnace environment has the potential of freezing the drain trap and drainline must be protected The use of electric heat tape or RV antifreeze is recommended for these installations See Condensate Trap Freeze Protection Section Do NOT operate furnace in a corrosive atmosphere containing chlorine fluorine or any other damaging chemicals Refer to Combustion amp Ventilation Air section Contaminated Combustion Air Figuel Typical Upflow Installation Aluminum or non rusting shield recommended See Vent Termination Shielding for dimensions 8 20
108. sure Close Transition S witch P ressure Open High Altitude Long Vent Kit Part No Pressure Switch Part No Blower S witch Pressure Close Blower Switch P ressure Open Transition Switch Pressure Close Transition S witch P ressure Open Blower Data Type amp Size Motor Amps R pm Motor Type H p Cap Mfd Volts Filter Type amp Size Permanent not supplied Cool Cap Tons 5 W C ML MHi amp Hi Gas Conversion Kits Natto LP LP to Nat Order from Service P arts W W 115 60 9 8 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 22 20 1013803 20 18 11 8 10 850 PSC I 7 5 370 16x25x1 115 2 215 3 115 60 8 9 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 22 2 0 1013803 2 0 18 1 8 8 0 1050 5 7 5 370 16x25x1 115 2 215 3 NAHFOO2LP 51009509 NAHFOO2NG 1009510 115 60 9 0 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 18 1 6 1013812 1 5 1 3 11 10 10 1050 5 10 370 16x25x1 213 314 0031 41013815 NAHF003NG 1013816 115 60 9 0 HW SV9541M SNAP HW HSP HW ST9160 30 60 100 140 180 1013801 23 2 1 1013803 2 0 1 8 NAHAOO1LV 1013518 10 0 8 2 0 18 115 60 10 5 HW SV9541M SNAP HW HSP HW 579160 30 60 100 140 180 1013802 22 2 0 1013803 2 0 18 0021 1013515 10 0 8 1 7 1 5
109. th the ex ternal Trap and the external Tee Trap must be primed before operation Verify all condensate drain connections are securely clamped A coupling and clamps in loose part bag may be installed as shown for future servicing of the vent system A coupling and clamps in loose part bag may be installed as shown for future servicing of the vent system Horizontal Right thru Trap Connection Single Pressure Switch Detail Clamp ears Pointed OUT Alternate Orienation 9 Yellow or black Plastic Cap P Preassemble amp insert into furnace Coupling amp Clamps Optional WARNING Add Cap and Clamp Vent Drain amp Clamps Field Supplied Tee 3 16 ID Rubber Tube Relief Tube Splice Connector Relief Tube Extension c Trap White loose parts bag lt INLET On Some Models ONLY Drain Tube Black 5 8 ID Corrugated Cut at straight section m Man ID Drain Hose amp barbed coupling Cut to fit Leave room for clamp Horizontal Right Thru Top See Figure 15 Disconnect the hoses from the Trap assembly and remove Trap and Trap mounting bracket from the blower compartment Using
110. than 1 4 mesh 4 The minimum dimension of rectangular air ducts MUST NOT be less than 3 5 When sizing grille or louver use the free area of opening If free area is NOT stamped or marked on grill or louver as sume a 20 free area for wood and 60 for metal Confined Space Installation NOTE A confined space is defined as an area with less than 50 cubic feet per 1 000 BTUH input rating for all gas appliances installed in the area Requirements 1 Provide confined space with sufficient air for proper com bustion and ventilation offlue gases using horizontal orverti cal ducts or openings 2 Figure 5 illustrate how to provide combustion and ventila tion air A minimum of two permanent openings one inlet and one outlet are required 3 Oneopening MUST be within 12 ofthe floorand the second opening within 12 of the ceiling Outside Air This is ONLY a guide Subject to codes of country having jurisdiction This installation NOT approved in Canada Gable ee Gas Water Heater alternate Inlet Air 1 4 Size openings and ducts per Table 1 5 Horizontal duct openings require 1 square inch of free area per 2 000 BTUH of combined input for all gas appliances area see Table 1 6 Vertical duct openings or openings directly to outside re quire 1 square inch of free area per 4 000 BTUH for com bined input of all gas appliances in area see Table 1 2 000 BTUH to outside 4 000 BTUH 4 000 BTU
111. the overflow DO NOT trap the drain line in any other location than atthe conden sate drain trap supplied with the furnace A WARNING FROZEN AND BURST WATER PIPE HAZARD Failure to do so may result in burst water pipes serious property damage and or personal injury If a condensate pump is installed a plugged condensate drain ora failed pump may cause the furnace to shutdown Do notleave the home unattended during freezing weather without turning off water supply and draining water pipes or otherwise protecting against the risk of frozen pipes If possible DO NOT route the drain line where it may freeze The drain line must terminate at an inside drain to prevent freezing of the condensate and possible property damage condensate sump pump MUST be used if required by local codes or if no indoor floor drain is available The conden sate pump must be approved for use with acidic conden sate 2 A plugged condensate drain line or a failed condensate pump will allow condensate to spill Ifthe furnace is installed where a condensate spill could cause damage it is recom mended that an auxiliary safety switch be installed to pre ventoperation ofthe equipmentin the eventof pump failure or plugged drain line If used an auxiliary safety switch should be installed in the R circuit low voltage ONLY 3 If the auxiliary switch in the condensate pump is used the furnace may shut down due to a blocked condensate line or failed p
112. to 18 A CAUTION Maintain a minimum of 36 between combustion air inlet and clothes dryer vent Terminate the combustion air intake as far as possible from any air conditioner heat pump swimming pool swimming pool pumping chlorinator or filtration unit A WARNING CARBON MONOXIDE POISONING HAZARD Failure to properly vent this furnace can result death personal injury and or property damage 1 Installall couplings nipples and elbows using proper proce dures for J oining Pipe and Fittings and maintain spacing between vent and combustion air piping as indicated in Figure 19 through Figure 27 Sidewall Termination 12 or More Above Snow Level or Grade Level 18 Minimum for cold climates substained below 0 F GRADE LEVEL 25 00 05F SNOW LEVEL Horizontal Termination 1 Cuttwo holes 21 5 for 2 pipe 3 for 21 pipe or 3 for 3 pipe Do NOT make the holes oversized or itwill be nec essary to add a sheetmetal or plywood plate on the outside with the correct size hole in it 2 Check hole sizes by making sure itis smaller than the cou plings or elbows that will be installed on the outside The couplings or elbows MUST prevent the pipe from being pushed back through the wall 3 Extend vent pipe and combustion air pipe through the wall 3 4 to 1 and seal area between pipe and wall 4 Install the couplings nipple and termination elbows as shown and maintain spacing between ventand combust
113. ttom side of the unit using the 2 screws provided in the location shown Cut the corrugated tube as shown in the illustration above Con nect the corrugated hose from the transition to the Trap Secure connections with clamps Connect the black 4 2 ID Drain Tube from the Vent Drain to the Trap If an extension is required use the black 1 2 OD flexible tub ing connector and the black 1 gt ID Drain Tube in the loose parts bag Cuttube to length Secure connections with clamps Connect the 3 16 ID relief tube to the middle porton the Trap If an extension is required use the 3 46 OD flexible tubing connector 440 01 1020 02 Splice Connector Relief Tube Extension e WARNING Move Caps to top of trap 25 24 48 and the black 3 16 ID relief tube the loose parts bag tube to length Cut an appropriate length of 2 PVC pipe fittings and extension pipe long enough to exit the cabinet and connect the vent drain to either Standard field supplied 2 PVC tee N9MP1 and 2 mod els or e 2 PVC coupling fastened onto the Drain Tee 9MPD models Install Tee Trap into bottom section of Tee Important The pipe to the Tee Trap must be level or sloping to wards the Tee Trap Connect the Tee trap and the main drain line exiting the casing as shown in Figure 17 Note It is recommended that all PVC piping and fitting connec tions be fit up and inspected before final cementing Bo
114. tuh Output Btuh Transformer Size VA T stat Heat Anticipator Temp Rise F Nat LP 50 000 45 500 40 10 35 65 Nat LP 75 000 68 000 40 10 40 70 Nat LP 80 000 72 000 40 10 35 65 Nat LP 100 000 91 000 40 10 40 70 Nat LP 100 000 96 500 40 10 40 70 Nat LP 125 000 113 750 40 10 40 70 Electrical Volts Hz F LA Gas amp Ignition Gas Type Gas Valve Regulation Type IgnitionType S eries Manifold Press Inch s WC Std Main Orifices No Size Pilot Orifice S ize Fan Controls Fan Control Type Fan Control Timed secs Combustion Flue Outlet Size Inches Std Outlet Temp 5 No Elbows Blower Pressure 5 No Elbows WC Blower Pressure 40 5 90 DWV Elbows WC Transition Bx Pressure 5 No Elbows WC Transition Bx Pressure 40 45 90 DWV Elbows WC Limits amp Controls RolloutSwitch Limit Control S etting F Standard Pressure S w Part No Blower Switch P ressure Close WC Blower Switch Pressure Open WC Transition Switch Pressure Close WC Transition S witch P ressure Open WC High Altitude P ressure Sw Part No Blower S witch Pressure Close WC Blower Switch Pressure Open WC Transition Switch Pressure Close WC Transition S witch Pressure Open WC Long Vent Kit Part No Pressure Switch Part No Blower S witch Pressure Close WC Blower Switch Pressure Open WC Transition Switch Pres
115. ump To prevent frozen water pipes see the Frozen Water Pipe Hazard section on Page 4 of this manual Condensate Drain Trap Freeze Protection Special precautions MUST be made if installing furnace in an area which may drop below freezing This can cause improper opera tion or damage to the equipment If the the furnace environment has the potential of freezing the drain trap and drain line must be protected Use to 6 watt per foot at 115 volt 40 F self regulating shielded and waterproof heat tape Wrap the drain trap and drain line with the heattape and secure with the ties Follow the heattape manufacturer s recommendations 440 01 1020 02 Upflow Installations Top Vent Yellow or black Plastic Caps 2 On Some Models ONLY Coupling amp Clamps TERI Optional Vent Drain TS amp Clamps Dual Pressure Switch Detail 9 1 ID Drain Hose amp 5 5 8 ID Hose amp Clamps 3 16 ID Rubber Tube Street Elbow Drain Connector Black PVC 3 4 X 12 CPVC Loose parts bag Casing Grommet Black Rubber 5 ID Loose parts bag Drain Line Vent Tee 3 4 PVC or 15 CPVC Loose parts bag
116. urnace may cycle on the pressure switch con nected to the plastic transition box due to condensate buildup Afterthe trap is primed the condensate will start draining from the furnace The combustion blower will clear out any remaining con densate in the blower housing through the ventfitting downstream ofthe blower Note thatthe condensate trap can also be primed by pouring water into the 1 5 drain hose Remove thel ID drain hose from eitherthe gutterorthe white PVC Tee Trap Using a fun nel pour eight 8 ounces of water into 1 2 ID drain hose Water will flow through the drain hose and into the condensate drain trap This will prime both the ventand the transition sides ofthe trap Re connectthe 1 5 ID drain hose to the original component either the gutter or the PVC Tee Trap The condensate drain trap supplied with the furnace MUST be used The drain connection on the condensate drain trap is sized for 3 4 PVC or CPVC pipe however alternate 1 2 CPVC nominal 5 8 O D or vinyl tubing with a minimum inner diameter 1 0 of 5 8 may also be used as allowed by local codes Alternate drain pipes and hoses may be used as allowed by local codes The drain line must maintain a 1 4 per footdownward slope toward the drain 1 4 per foot is recommended Installation of an overflow line is recommended when the 1 4 per foot slope to the conden sate drain cannot be maintained See Figure 1 for proper routing and installation of
117. urner located in incorrect position Pilot burner lead wires are in good condition and popery connected Pressure switches operation tubing and wiring Failed to light pilot during 90 sec trial for ignition After 5 minute delay time control system will reset and initiate a new ignition sequence Soft Lockout Gas supply off or pressure too low or high for appliance to operate Last failure was Flame Sense lost during run Line voltage HOT lead wire not connected to L1 terminal on ST9160B Furnace not properly earth grounded 6 Flashes Maximum recycle count exceeded Flame sense rod contaminated or in incorrect position Pilot burner located in incorrect position Combustion air blower is de energized Circulating blower is Pilot burner lead wires in good condition and properly connected de energized after the OFF delay Cycling pressure switch Condensate drain blocked After 5 minute delay time control system will reset and initiate a Pressure switches operation tubing and wiring new ignition sequence 2 Flashes 440 01 1020 02 HONEYWELL SV9541M SMART VALVE Trouble shooting continued LED STATUS INDICATES CHECK REPAIR Soft Lockout Last failure was pressure switch Ignition system control switch must be in the ON position 6 Flashes Maximum recycle count exceeded Pressure switches operation tubing and wiring 3 Flashes DEE Restrictions furnace air intake or vent pi
118. ust be made on terminal board to fan control Set thermostat heat anticipator in accordance with the Technical Support Manual Optional Equipment All wiring from furnace to optional equipment MUST conform to lo cal codes or in the absence of local codes with the latest edition of The National Electric Code ANSI NFPA 70 and or The Canadian Electric Code CSA C22 1 Install wiring in accordance with manufacturer s instructions The wiring MUST have a minimum temperature rating of 105 C Humidifier Electronic Air Cleaner The furnace is wired for humidifier and or electronic air cleaner connection CAUTION Do NOT exceed 115V 0 8 amp maximum currentload for both the EAC terminal and the HUM terminal combined NOTE The humidifier will be powered when the furnace is fired and the circulating air blower comes on The electronic air cleaner will be powered anytime the air circulating blower is energized However the electronic air cleaner is NOT energized during con tinuous fan operation controlled by the electronic fan control Fan Control The fan control is preset atthe factory with a fixed blower ON delay of 30 seconds in the heating mode The blower OFF timing is pre set at 140 seconds If desired the fan OFF delay can be reset to obtainthe longestdelay times while still maintaining comfortlevels See Furnace Wiring Diagram Fan Delay DIP Switch Settings COOL ON DELAY 5 SEC COOL OFF DELAY 90 SEC HEAT ON DEL

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N9MP1 & N9MP2 *9MPD