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Manual Nordyne AND M5S

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  • Nordyne AND M5S - page 1

    Installation Instructions Series M1B, M1G, M1M & M5S Downfl ow , Direct V ent (Sealed Comb ustion) For ced Air Gas & Oil Furnaces W ARNING: ! DO NO T DESTRO Y . PLEASE READ CAREFULL Y AND KEEP IN A SAFE PLA CE FOR FUTURE REFERENCE. A TTENTION INST ALLERS: I t i s y o u r r e s p o n s i b i l i t y t o k n o w t h i s p r o d u c t bet ter ...

  • Nordyne AND M5S - page 2

    2 SAFETY INFORMA TION .............................. 3 REQUIREMENTS & CODES ........................ 3 GENERAL INFORMA TION ........................... 5 W arranty Inf or mation ................................ 5 Minimum Clearances ............................... 5 Applications ............................................. 6 Unit Location ..... ...

  • Nordyne AND M5S - page 3

    3 SAFETY INFORMA TION Saf ety markings are used frequently throughout this manual to designate a degree or le vel of seriousness and should not be ignored. W ARNING indicates a potentially hazardous situation that if not av oided, could result in personal injur y or death. CA UTION indicates a potentially hazardous situation that if not av oided, m ...

  • Nordyne AND M5S - page 4

    4 a.) A carbon mono xide (CO) detector and alar m shall be placed on each fl oor le v el where there are bedrooms. The detector shall comply with NFP A 720 (2005 Edition) and be mounted in the living area outside the bedroom(s). b .) A (CO) detector shall be located in the room that houses the appliance or equipment and shall: • Be pow ered by t ...

  • Nordyne AND M5S - page 5

    5 • American National Standard (ANSI-119.2/ NFP A-501C) for all recreational v ehicle installations. • CANAD A: CAN/CGA-B149.1 and .2–M00 National Standard of Canada. (NSCNGPIC) GENERAL INFORMA TION Manufacturer W arranty - Owner’ s Responsibilities It is the sole responsibility of the homeowner to make certain the gas fur nace has been cor ...

  • Nordyne AND M5S - page 6

    6 Figure 4. Overall Dimensions “A”- 56" 23 3/4" “B”- 76" 19 3/4" “A” Model w/o Coil Cabinet “B” Model w/Coil Cabinet Applications M1 Series gas and M5 Ser ies oil furnaces are listed direct v ent (sealed combustion), do wnfl o w heating appliances f or manuf actured (mobile) homes, recreational v ehicles, and f ...

  • Nordyne AND M5S - page 7

    7 CIRCULA TING AIR REQUIREMENTS W ARNING: Do not allow combustion products to enter t he circulat ing air supply . Failure to pr e vent the cir culation o f c o m b u s t i o n p r o d u c t s i n t o t h e living spac e can cre ate potentia lly ha zardou s conditions includ ing carbon monoxide poisoning t hat could result in p ersonal injur y or d ...

  • Nordyne AND M5S - page 8

    8 Location, size , and number of registers should be selected on the basis of best air distribution and fl oor plan of the home. The supply air must be delivered to the heated space by duct(s) secured to the furnace casing, running full size and without interruption. Thr ee t ypi ca l dist rib utio n system s are shown in Fi gure 5. The location, ...

  • Nordyne AND M5S - page 9

    9 FLOOR CUT-OUT FOR STANDARD DUCT CONNECTORS C L C L C L 24" 23 1/4" 21 3/4" 14 1/2" 2 1/4" 2 3/4" 20" CUT-OUT FOR OPTIONAL COOLING COIL REAR WALL OF CLOSET OR ALCOVE 1 3/4" 2" 3/4" C L C L C L 10" C L FURNACE OUTLINE 14 1/2" ALT FUEL-LINE ENTRY 1 1/4" Dia. FURNACE OUTER DOOR FUEL LIN ...

  • Nordyne AND M5S - page 10

    10 Alter nate Attachment Method The standard duct connector is designed f or use on ducts 12” in width. Howe v er if there is insuffi cient clearance to bend the duct connector tabs, this alternate attachment method may be used. 1. Score and cut the top of the supply air duct as indicated in Option 1 or Option 2 (Figure 11). With Option 1 choice ...

  • Nordyne AND M5S - page 11

    11 Figure 13. Round Duct Connector Installed DUCT CONNECTOR MOUNTING PLA TE SCREWS FUEL LINE HOLES 14” SUPPL Y CONNECTION T able 4. Roof Jack Assemblies SS AW T 27 47 - 2 AW= ALL WEATHER FLASHING PITCH/12" RISE 0=FLAT 2=2.5/12 4=4/12 MIN. ADJ. LENGTH F = FLAT FLASHING S = SLANT FLASHING TYPE: BLANK = NON-TRANSIT T= TRANSIT MODE MAX. ADJ. LEN ...

  • Nordyne AND M5S - page 12

    12 Figure 17. Example of Flat Jack with Flashing Figure 18. Example of 2½/12 Slant Jack with Flashing 1. Locate center of Roof J ack opening, measure 13 1/2” from the rear wall of closet or alcov e along the center line of fur nace and fl oor opening. See Figure 19. 2. Cut ceiling and roof holes as f ollows: • Ceiling = 8 3/4” (222 mm) diam ...

  • Nordyne AND M5S - page 13

    13 Secure roof jack with appropriate fasteners after connecting to furnace Caulk under roof flashing to prev ent water leakage Roof Ceiling Optional 2-piece ceiling ring #902521 Figure 20. Flat Roof Upper Roof Jac k Section Secure lower roof jack section with no . 10 S.M. screws Caulk under roof ashing to prevent water leakage Optional Slant Dec ...

  • Nordyne AND M5S - page 14

    14 4. The f our warning tags supplied must be installed as f ollows: • T o weather cap • T o fuel line connection point (Gas) or fur nace burner (Oil) • T o fur nace fl ame obser v ation door (Gas or Oil) • T o fur nace w all ther mostat 5. T ransit-mode weather cap to be remo v ed and upper Roof Jac k crown installed (See Figure 24). Do N ...

  • Nordyne AND M5S - page 15

    15 Figure 24. Control P anel (All Models) On-Off Switch Blower Plug Po we r Entry On-Auto Switch (Heating Models Only) Thermostat Wires Furnace Control Box T o combustion Blower or Flame Roll-out Switch T o Gas V alve or Burner T able 6. Thermostat Wire Gaug e Thermostat Wire Gauge Recommended T’ST A T Wire Length (Unit to T’ST A T) 2-Wire (Hea ...

  • Nordyne AND M5S - page 16

    16 To Gas Supply Floor Control Panel On-Off-Fan Switch Alt. Fuel Line Entry Floor Cavity Figure 26. T ypical Gas Piping FUEL SUPPL Y AND PIPING W ARNING: All piping m ust conform with local b uilding codes, or in the absence of local codes, with the most recent edition of the National Fuel Gas Code ANSI Z223.1 or (CAN/CGA B149.1 or .2). Failure to ...

  • Nordyne AND M5S - page 17

    17 Figure 27. T ypical Oil Piping for Abo ve Ground (Single-Line) Suppl y If fuel pump fails to lift oil, check for air port plug and repeat priming procedure. leaks and tighten all fuel fittings. Re- prime fuel pump by injecting fuel oil into optional (top) return port. Replace return Top of Tank 8 ft. Shut-off Valve Optional Fuel Filter Alternate ...

  • Nordyne AND M5S - page 18

    18 5. Open the furnace door and connect the oil line to the intake port on the pump. Tighten other por t plugs on the pump . NOTE: V erify the oil line is air tight! Air leaks can cause the pump to lose prime and will create other problems such as nozzle f ailure, odors , rumbling noise, and f alse saf ety shutdown. 6. Inser t the shor t length of ...

  • Nordyne AND M5S - page 19

    19 Figure 28. Honeywell Gas V alve PRESSURE REGULATOR CAP M11678 N A T N A T L P L P N A T N A T OR OTHER SIDE OF CAP LP Gas Configuration Black Co ver Red Natural Gas Configuration Figure 29. Rober tshaw Gas V alve High Altitude Con version High altitude conv ersion with this fur nace depends on the installation altitude and the heating v alue of ...

  • Nordyne AND M5S - page 20

    20 ST ARTUP AND ADJUSTMENTS PLEASE READ ALL SAFETY INFORMA TION BEFORE LIGHTING THE FURNA CE Lighting Instructions - Standing Pilot Models. 1. Set the ther mostat to the lo west setting. 2. T ur n off all electric pow er to the appliance. 3. Remov e the furnace door . 4. Push in and mov e the gas control le ver to the OFF positon (Figure 30). DO NO ...

  • Nordyne AND M5S - page 21

    21 Operating Instructions for Direct Ignition Models M1M Direct ignition fur naces do not ha ve a pilot. Ignition is accomplished by a silicon carbide hot surf ace ignitor . A control module takes care of all timing functions. After lighting, the control module uses the ignitor as a fl ame sensor , shutting off gas should the fl ame go out. There ...

  • Nordyne AND M5S - page 22

    22 How to Shut Off Gas - Direct Ignition 1. Set the ther mostat to the lo west setting. 2. T ur n off all electric power to the appliance bef ore ser vicing unit. 3. Set the fur nace On-Off Switch to OFF . • Hone ywell (Figure 32): T ur n gas control knob clockwise to OFF , Robertshaw (Figure 33): Push the gas control le v er to OFF . • For oil ...

  • Nordyne AND M5S - page 23

    23 T able 7. Factory Combustion Air Settings Model Nat. Gas LP Gas Oil 66,000 3.5 3.5 3.5 86,000 5.3 6 5 Combustion Air In order f or the fl ame to bur n effi ciently , it must receiv e adequate combustion air . The amount of combustion air required v ar ies according to altitude, actual B .T .U. content of the fuel, gas pressure, con v ersion to ...

  • Nordyne AND M5S - page 24

    24 Oil Gun Furnace with Honeywell R7184 / Beckett 7505 Contr ol - M5S Models 1. When a call f or heat is initiated, there is a 2 to 6 second dela y while the control perf or ms a saf e star t check. 2. The ignition and motor are tur ned on and a fl ame should establish within a 15-second lock out time. NO TE: Bur ner will prepurge f or 15 seconds ...

  • Nordyne AND M5S - page 25

    25 4. When call for heat is satisfi ed, the ther mostat contacts open and the gas v alve shuts off gas fl o w . W ARNING: Should overheating occur , or the gas supply fails to shut off , shut off the manual gas v alve to the furnace bef ore shutting off the electrical supply . A VER TISSEMENT : En case de température excessive, ou sail est impos ...

  • Nordyne AND M5S - page 26

    26 TROUBLESHOO TING Standing Pilot Models Main Bur ner Does Not Ignite 1. Check the electrical supply to the fur nace . 2. V erify the fur nace fur nace On-Off s witch is in the ON position. 3. Check f or proper ther mostat operation. 4. Check f or broken or open thermostat wires. 5. V erify the insulation located on the inside of the front panel i ...

  • Nordyne AND M5S - page 27

    27 120 V AC Is A vailab le At AMP Plug - Ignitor Does Not Heat Up 1. Disconnect power to the furnace. 2. Disconnect AMP plug to the ignitor , and check ignitor resistance with an ohm meter . Set on RX1 scale. • Nor mal reading should be 40 - 75 ohms. • If abov e or below this rating at room tem- perature change ignitor . 3. Check f or continuit ...

  • Nordyne AND M5S - page 28

    28 the cad cell is operational, replace the primar y control. 4. If the LED continues to fl ash at the inter v al listed abov e, verify that the control is not in restricted mode. If in restricted mode, reset it. If not in restricted mode, replace the control. 5. If the (LED indicator f or R7184 control; green LED f or 7505 control) sta ys off whi ...

  • Nordyne AND M5S - page 29

    29 Control Module Status Indicator s - M1M Series Red LED Indicator Status Steady ON Control OK Steady OFF No pow er Rapid fl ash F alse fl ame or internal control fault One fl ash Limit s witch is open T wo fl ashes Pressure s witch is open Three fl ashes Pressure s witch is stuck closed F our fl ashes Lock out due to failed ignition Fiv e ? ...

  • Nordyne AND M5S - page 30

    30 W ARNING: Use of furnace or air conditioning components that are not inc luded in the cer tifi cation of this appliance ma y create a hazard, in v alidate the cer tification, and in many states, make installations illegal. Listed NORD YNE air conditioning components are specifi ed on the furnace label. Additional Oil Furnace Maintenance In add ...

  • Nordyne AND M5S - page 31

    31 T able 10. M1/M5 Furnace Specifi cations - Factory Settings Furnace Model No Input MBtu/h Output MBtu/h Orifi ce No E.S.P . In WC Pilot Burner Ignitor Direct Comb. Blower Motor Hp A/C Ready T ons Nat. LP M1GB 056 56 45 29 45 0.3 x 1/4 3 M1GB 070 70 57 24 42 0.3 x 1/4 3 M1GB 077 77 62 21 40 0.3 x x 1/4 3 M1GB 090 90 72 17 36 0.3 x x 1/4 3 M1MB ...

  • Nordyne AND M5S - page 32

    32 T able 12. A/C Blower Speed Selection Chart M1/M5*B Models and for use with Blo wer Kit No. 903773 1/4 Hp 3 Speed Furance Input Heating Speed Setting Cooling Speed/ Evap Coil 2 T on 2-1/2 T on 3 T on 086, 090 H L M H 066, 070, 077 M L M H 56 L L M H M1/M5*C Models and for use with Blo wer Kit No. 903413 1/2 Hp 4 Speed Furance Input Heating Speed ...

  • Nordyne AND M5S - page 33

    33 CAP A CITY OF BLA CK IR ON GAS PIPE (CU . FT . PER HOUR) FOR NA TURAL GAS (SPECIFIC GRA VITY - 0.60) NOMINAL BLA CK IRON PIPE DIAMETER (IN.) LENGTH OF PIPE RUN (FT) 10 20 30 40 50 60 70 80 ½ 130 90 75 65 55 50 45 40 ¾ 280 190 150 130 115 105 95 90 1 520 350 285 245 215 195 180 170 1 ¼ 1,050 730 590 500 440 400 370 350 1 ½ 1,600 1,100 890 760 ...

  • Nordyne AND M5S - page 34

    34 Figure 40. Gas Atmospheric Furnace , M1GH 056, 070 Models Gas Atmospheric Furnaces, M1GH 056, 070 WIRING DIAGRAM ON/OFF SWITCH GAS VALVE FAN SWITCH HI-LIMIT AUX. LIMIT TRANSFORMER L1 N C R 24 V 115 V WHITE WHITE WHITE GRAY BLUE BLACK GRAY FAN ON/AUTO SWITCH ORANGE ORANGE BLACK L1 NEUTRAL GROUND SCREW FURNACE ELECTRICAL BOX BLACK 3A FUSE BLOWER M ...

  • Nordyne AND M5S - page 35

    35 Figure 41. Standing Pilot with Induced Draft Furnace , M1GH 077, 090 Models 1 5 2 3 6 4 GAS VALVE FAN SWITCH HI-LIMIT AUX. LIMIT PRESSURE SWITCH COMBUSTION FAN L1 N C R 24 V 115 V BLACK BLACK BLACK BLUE BLACK WHITE WHITE WHITE WHITE GRAY GRAY BLUE BLUE 2 1 GRAY SUPPLIED BY INSTALLER FAN ON/AUTO SWITCH BLUE BLACK ORANGE ORANGE L1 NEUTRAL GROUND S ...

  • Nordyne AND M5S - page 36

    36 Figure 42. Gas Atmospheric Furnace , A/C Ready , M1GB 056, 070 Models RED (LOW) BLACK (HIGH) BLUE (MED. HI) ORANGE (MED. LO) 1 5 2 A/C BLOWER RELAY 3 6 4 ON/OFF SWITCH GAS VALVE FAN SWITCH HI-LIMIT AUX. LIMIT TRANSFORMER L1 N C R 24 V 115 V BLACK ORANGE BLUE ORANGE GREEN WHITE WHITE WHITE BLACK GRAY BLUE BLUE BLACK VENT SWITCH BLUE FURNACE ELECT ...

  • Nordyne AND M5S - page 37

    37 Figure 43. Standing Pilot with Induced Draft Furnace , A/C Ready M1G (B, C, D) 077, 090 Models WIRING DIAGRAM NOTES 1. Incoming power must be polarized. Observe color coding. (See furnace data label for electrical information.) 2. If any of the original wires (as supplied with the appliance) must be replaced, use 105˚C Thermoplastic type wire o ...

  • Nordyne AND M5S - page 38

    38 Figure 44. Gas Direct Ignition Furnace , Heating & A/C Ready - All M1M Models Steady ON Control OK Steady ON Good Flame Signal Steady OFF No power Blinking Weak Flame Signal Rapid Flash False flame or internal control fault Steady OFF No Flame Signal 1 Flash Limit switch is open 2 Flashes Pressure switch is open with inducer on 3 Flashes Pre ...

  • Nordyne AND M5S - page 39

    39 Figure 45. Gas and Oil Furnaces, A/C Read y - M1B & M5S (066, 086) Models 1 5 2 A/C BLOWER RELAY 3 6 4 FAN SWITCH HI-LIMIT AUX. LIMIT TRANSFORMER L1 N C R 24 V 115 V GROUND SCREW FURNACE ELECTRICAL BOX TIE WIR E 3A FUSE 6 5 4 3 2 1 RED (LO) BLACK (HIGH) BLUE (MED. HI) WHITE 4 SPEED BLOWER MOTOR C R G W ON/OFF SWITCH CONNECTOR HOUSING CAP SUP ...

  • Nordyne AND M5S - page 40

    709123A 709123A (Replaces 7091230) Specifi cations & illustrations subject to change without notice or incurring obligations. Printed in U.S .A. (04/10) INST ALLA TION / PERFORMANCE CHECK LIST ELECTRICAL SYSTEM: Electrical connections tight? YES NO Line voltage polarity correct? YES NO Supply V oltage: ______________________ VOL TS Has the the ...

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