Nordyne SC038D-23A, Installation Instructions Manual

Page 1: ...future reference GAS FURNACES Single Stage Condensing Furnaces Installation Instructions SC Upflow Horizontal Model SL Downflow Model 92 1 AFUE PROPOSITION 65 WARNING This product contains chemicals...

Page 2: ...r Terminations Vertical Venting 12 Vent Freezing Protection 13 Condensate Disposal 13 Existing Installations 14 FURNACE INSTALLATION 14 General Requirements 14 Vent and Inducer Assembly Options 14 Ind...

Page 3: ...formation 33 Table 6 Wire length and Voltage Specs 33 Table 7 Control Board Fault Codes 33 Figure 24 Wiring Diagram 34 Gas Information 35 Table 8 Gas Flow Rates 35 Table 9 Gas Pipe Capacities 35 Table...

Page 4: ...4...

Page 5: ...d by duct s sealed to the furnace casing and terminating in the conditioned space A gas fired furnace for installation in a residential garage must be installed as specified on Page 7 This furnace may...

Page 6: ...ent during construction is recommended This gas furnace may be used during construction if it is not in violation of any applicable codes and the following criteria are met The installation must meet...

Page 7: ...methods other than those described in the following sections must complywiththeNationalFuelGasCode NFGC and all applicable local codes Instructions for determining the adequacy of an installation can...

Page 8: ...ective openings to the furnace space Ducts must have cross sectional area at least as large as the free area of their respective openings to the furnace space Attics or crawl spaces must connect freel...

Page 9: ...whichever is greater Openings must start at no more than 12 inches from the top and bottom of the enclosure Figure 4 Combustion Air Drawn from Outside Through an Exterior Wall Total Input Rating Btuh...

Page 10: ...ther spaces of the building 4 Close fireplace dampers 5 Turn on clothes dryers and any appliance not connected to the venting system Turn on any exhaust fans such as range hoods and bathroom exhausts...

Page 11: ...ersonal injury or death due to exposure of flue products including carbon monoxide Vent Pipe Material Vent and combustion air pipe and fittings must be one of the following materials and must conform...

Page 12: ...th these instructions Vent termination clearances must be consistent with the NFGC ANSI 2223 1 NFPA 54 and or the CSA B149 1 Natural Gas and Propane Installation Code All minimum clearances must be ma...

Page 13: ...2 Exterior vent terminations must be located at least 12 In above the maximum expected snow level Note 2 Note 2 9 In 4ft Figure 7 Vent Locations Outside Wall Support Vent Configuration to Provide 12 M...

Page 14: ...ection page 5 Vent and Inducer Assembly Options SC series gas furnaces offer a wide range of installation options including installation in the upflow or horizontal positions with either right left or...

Page 15: ...led horizontally with airflow going from left to right the pressure switch will need to be moved to the side of the furnace that is not facing the ground Figure 12 Moving the switch will make it easie...

Page 16: ...equired that the previous hole be closed off with the plastic cap to maintain air tightness in the furnace The hole locations for SC series upflow horizontal furnaces are indicated in Figure 22 page 2...

Page 17: ...cations If the furnace is to be installed in an attic it is required that a drip pan be placed under the furnace If the installation is on a combustible platform Figure 14 it is recommended that the d...

Page 18: ...ts Plenums and air ducts must be installed in accordance with the Standard for the Installation of Air Conditioning and Ventilating Systems NFPA No 90A or the Standard for the Installation of Warm Air...

Page 19: ...orizontal Furnaces For upflow installations the return air ductwork may be connected to the left side right side or bottom The bottom panel Figure 22 must be installed for left or right return air NOT...

Page 20: ...ould be readily accessible for service and or emergency use Consult the local utility or gas supplier for additional requirements regarding placement of the manual main gas shut off Gas piping must ne...

Page 21: ...xample below After changing the regulator pressure or the orifices it is required that you measure the gas input rate This may be accomplished in the usual way by clocking the gas meter and using the...

Page 22: ...may be adversely affectedbyradiantheatfromfireplaces sunlight orlighting fixtures and convective heat from warm air registers or electrical appliances IMPORTANTNOTE Settheheatanticipatoraccording to...

Page 23: ...LP gas the line service pres sure must not exceed 14 in W C and must not be less than 11 0 in W C Verify the roll out and manual reset switch is closed If necessary press the red button to reset a swi...

Page 24: ...shed 5 Replace the burner compartment door Verifying Operation of the Supply Air Limit Switch Note A properly functioning limit switch should turn off the gas valve when the return is blocked time dep...

Page 25: ...heat or cooling the indoor fan is energized on the selected FAN speed If a call for cooling occurs during continuous fan the blower will switch over to the selected COOL speed If the W terminal receiv...

Page 26: ...to return the furnace to operation Verify proper operation after servicing Heat Exchanger and Burner Maintenance The furnace should operate for many years without soot buildup in the flue passageways...

Page 27: ...e the listed clearances to combustible materials Allow 24 in minimum clearance for servicing Recommended clearance is 36 in The furnace is listed for installation on combustible or non combustible flo...

Page 28: ...DE HOLE FOR THERMOSTAT CONDENSATE HOLE FOR ELECTRIC CONDENSATE HOLE FOR ELECTRIC 3 7 HOLE FOR THERMOSTAT 3 HOLE FOR VENT PIPE FLUE INLET AIR Figure 22 SC 92 1 High Efficiency Upflow Horizontal Furnace...

Page 29: ...T SIDE TOP VIEW RIGHT SIDE HOLE FOR ELECTRIC CONDENSATE CONDENSATE 3 7 25 22 1 X 3 HOLE FOR GAS 3 HOLE FOR VENT PIPE 3 HOLE FOR VENT PIPE FLUE INLET AIR Figure 23 SL 92 1 High Efficiency Downflow Furn...

Page 30: ...39 1 550 40 1 525 40 1 475 42 1 425 43 1 380 44 1 325 46 1 240 49 Med High 1 260 49 1 240 49 1 220 50 1 185 52 1 160 53 1 110 55 1 085 57 1 030 60 Med Low 1 125 55 1 110 55 1 085 57 1 050 58 1 025 60...

Page 31: ...6 1 340 57 1 300 59 1 270 60 SC108 45D Bottom only or 2 openings 108 000 High 2 135 43 2 095 44 2 040 45 1 975 47 1 910 48 1 840 50 1 735 53 1 675 55 Med High 2 000 46 1 955 47 1 900 48 1 845 50 1 800...

Page 32: ...1 025 60 1 000 61 970 63 930 66 880 70 LOW 850 72 830 74 800 77 780 79 760 81 730 84 710 86 685 90 SL090 35C 90 000 HIGH 1 955 39 1 905 40 1 835 42 1 795 43 1 730 44 1 620 47 1 545 50 1 450 53 MED HI...

Page 33: ...14 30 120D 45D 120 000 24 115 60 1 127 103 15 6 12 30 Time delay fuses or HACR type circuit breakers are required Thermostat Wire Gauge Recommended Thermostat Wire Length 2 wire Heating 4 or 5 wire C...

Page 34: ...BLUE BLUE BLUE ORANGE BLUE GREEN BLUE BLACK BLACK WHITE BLACK WHITE WD 710731 B FIELD WIRING LEGEND LOW VOLTAGE HIGH VOLTAGE For 80 and 90 Single Stage Furnaces SINGLE STAGE THERMOSTAT TO OUTDOOR UNIT...

Page 35: ...176 353 48 75 375 750 104 35 173 346 50 72 360 720 106 34 170 340 52 69 346 692 108 33 167 333 54 67 333 667 110 33 164 327 56 64 321 643 112 32 161 321 58 62 310 621 114 32 158 316 60 60 300 600 116...

Page 36: ...HIGH HIGH Table 11 Natural Gas Heating Values Table 10 High Altitude Deration Chart for Propane Gas PROPANE GAS ALTITUDE ABOVE SEA LEVEL INPUT BTU 38 000 54 000 72 000 90 000 108 000 120 000 0 to 1 99...

Page 37: ...LD PRESSURE 9 000 to 9 999 FT 49 49 49 49 49 49 ORIFICE SIZE 3 0 2 8 2 8 2 8 2 8 2 8 MANIFOLD PRESSURE NATURAL GAS LOW HEATING VALUE ALTITUDE ABOVE SEA LEVEL INPUT BTU 38 000 54 000 72 000 90 000 108...

Page 38: ...ply inlet to building or the combustion air inlet to any other appliance 6 inches 15cm for appliances 10 000 Btuh 3kW 6 inches 15cm for appliances 10 000 Btuh 3kW 4 ft 1 2m below or to side of opening...

Page 39: ...ew A See View A PVC Cap Plug Exhaust Vent See View B Drain Line Attached to 3 4 x 1 2 Hose Barb PVC TEE and Reducer Option 2 X See View C This drain not needed if X is less than 6 Option 6 Plug Exhaus...

Page 40: ...ed with J Trap or field supplied loop Inline Drain Header Box Drain VIEW D VIEW E Inline Drain See View G See View G Plug See View E See View E See View D Drain Line Attached to 3 4 x 1 2 Hose Barb Ex...

Page 41: ...t Air PVC Cap PVC Cap See View H See View I See View H Plug See View I Plug See View K See View K See View J Exhaust Vent PVC TEE and Reducer Drain Line Attached to 3 4 x 1 2 Hose Barb See View J Inle...

Page 42: ...Line Attached to 3 4 x 1 2 Hose Barb PVC Cap Inlet Air PVC Cap Inlet Air PVC Cap PVC Cap Exhaust Vent Exhaust Vent PVC TEE and Reducer Drain Line Attached to 3 4 x 1 2 Hose Barb Plug Plug Plug Plug P...

Page 43: ...per Foot Outlet Exhaust Vent First Support Placed as Close to Furnace Connection as Possible Straight Neoprene Coupling with 2 Hose Clamps Exhaust Vent Combustion Air Wall 7 12 Min Maximum Expected Sn...

Page 44: ...for each 2 tee and 8ft for each 3 tee 3 Two 45 degree elbows are equivalent to one 90 degree elbow 4 This table applies for elevations from sea level to 2 000 ft For higher elevations decrease pipe l...

Page 45: ...r other vent hole Finish Flange Finish Flange Flange Gasket Flange Gasket Hole for Flue Vent Pipe Hole for Inlet Air Vent Pipe Figure 31 Finish Flanges 2 PVC TEE 2 x 3 4 PVC Reducer 1 2 x 1 2 Hose Bar...

Page 46: ...only 14 Roll Out Switch s 15 Transformer Figure 34 Upflow Horizontal Gas Furnace Components 9 4 10 12 15 14 2 6 3 7 8 1 11 13 5 ITEM COMPONENT NAME 1 Blower Assembly 2 Blower Door Switch 3 Burner Ass...

Page 47: ...47...

Page 48: ...esh air supply for combustion and ventilation YES NO Installation Altitude ____________________ FT Deration Percentage ___________________ Furnace Input _______________________ Btuh Supply Air Tempera...