Instruction/ maintenance manual of the product AND M5S Nordyne
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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 .
2 SAFETY INFORMA TION .............................. 3 REQUIREMENTS & CODES ........................ 3 GENERAL INFORMA TION ........................... 5 W arranty Inf or mation ................................ 5 Minimum Clearances ...............
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.
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).
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.
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 f.
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.
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.
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.
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).
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.
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.
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 .
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).
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.
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.
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.
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.
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.
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 .
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.
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 .
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 .
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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 9.
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.
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.
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.
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.
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 f.
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.
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 EL.
An important point after buying a device Nordyne AND M5S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Nordyne AND M5S yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Nordyne AND M5S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Nordyne AND M5S you will learn all the available features of the product, as well as information on its operation. The information that you get Nordyne AND M5S will certainly help you make a decision on the purchase.
If you already are a holder of Nordyne AND M5S, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Nordyne AND M5S.
However, one of the most important roles played by the user manual is to help in solving problems with Nordyne AND M5S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Nordyne AND M5S along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
