Intertherm M1B Series, Installation Instructions Manual

Page 1: ...gas suppliers instructions If you cannot reach your gas supplier call the fire department RISQUE D INCENDIE OU D EXPLOSION Le non respect des avertissements de s curit pourrait entra ner des blessure...

Page 2: ...0 Flue Gas Sampling 21 startup adjustments 22 M1M Operating Instructions 23 How to Shut Off Gas Direct Ignition 23 M5S Operating Instructions 23 M1B Operating Instructions 23 How to Shut Off Gas Oil G...

Page 3: ...on of the National Fuel Gas Code NFPA54 ANSIZ223 1 ortheNaturalGasandPropane Installation Code CAN CGA B149 1 CEg n rateurd airchauddoit treinstall conform ment aux instructions du fabricant et aux co...

Page 4: ...equipment where the bottom of the vent terminal and the air intake is installed below four feet above grade the following requirements must be satisfied a Acarbonmonoxide CO detectorandalarmshallbe p...

Page 5: ...the overall size of the furnace and the installation clearances listed in Table 1 and in Figure 4 page 6 Alcove installations minimum 18 clearance at front of furnace shall be provided for future serv...

Page 6: ...t or side wall 2 a fully louvered door may be used CLOSET DOOR 6 152 mm 1 25 mm 0 Side Clearance to Furnace Cabinet or in closet door Figure 2 Closet Installation Figure 1 Alcove Installation Figure 4...

Page 7: ...floor or ceiling registers serving the return air duct system must be at least 235 in2 At least one register should be located where it is not likely to be covered by carpeting boxes and other objects...

Page 8: ...holesmustbecarefullylocated to avoid misalignment of the furnace and vent piping To locate standard ducts see Figure 6 page 9 For round ducts see Figure 7 1 Measure 10 from the rear wall or alcove and...

Page 9: ...quirements for sealing ductwork vary from region to region Consult with local codes for requirements specific to your area Figure 6 FLOOR CUT OUT FOR STANDARD DUCT CONNECTORS C L C L C L 24 23 1 4 21...

Page 10: ...own in Figure 14 page 10 Figure 15 page 11 1 Remove furnace outer door s and bottom fuel line knockout 2 Place furnace onto duct connector and center with floor opening 3 Slideontomountingplate Bottom...

Page 11: ...must be made below the ceiling This furnace must never be connected to a chimney flue servicing a fireplace or other appliance designed to burn solid fuel NOTE If the roof jack crown is covered or blo...

Page 12: ...furnace connections For replacement furnaces be sure the inner flue pipe connects over the furnace vent collar DO NOT use a smaller diameter inner flue pipe which could slide inside the furnace vent...

Page 13: ...Oil Tofurnacewallthermostat 5 Transit mode weather cap to be removed and upper Roof Jack crown installed See Figure 23 Do Not Discard screws 6 PlaceupperRoofJack crown onthefluepipeassembly NOTE Make...

Page 14: ...time Use of copper conductors is recommended Connecting Power Supply Wires 1 Remove the furnace control panel cover 2 Route wires 115 VAC through the strain relief on the left side of the furnace cont...

Page 15: ...onnecting Thermostat Wires 1 Insert 24 volt wires through the plastic grommet just above the control panel 2 Connectthethermostatwirestothefurnacelowvoltage pigtails See Figure 25 3 Connect low voltag...

Page 16: ...M1MC 056 56 000 19 3 4 115 1 60 103 127 8 9 14 20 10 9 18 8 M1MC 070 70 000 19 3 4 115 1 60 103 127 8 9 14 20 10 9 18 8 M1MC 077 77 000 19 3 4 115 1 60 103 127 8 9 14 20 10 9 18 8 M1MC 090 90 000 19...

Page 17: ...y be used for gas supply systems Fuellineinstallationsotherthantypicalinstallations shown in Figure 26 page 18 Figure 27 page 19 must comply with the fuel piping provisions stated in the Federal Manuf...

Page 18: ...e Pressure is reduced to 3 1 2 W C by the pressure regulator in the gas valve The maximum inlet pressure for the valve is 7 W C and the minimum inlet pressure is 4 5 W C For L P gas pressure to the ga...

Page 19: ...A Two Line system should only be used if vertical lift exceeds 8 feet 1 Install the oil feed line as outlined in steps 1 6 below 2 Install the oil pump bypass plug in the bottom return port 3 Route th...

Page 20: ...Direct Ignition Furnaces 1 Follow the instructions How to Shut Off Gas page 23 2 Disconnect the gas pipe union and the electrical wires connected to the gas valve 3 Remove the gas valve assembly a Re...

Page 21: ...nace installation A flue gas sample may be taken from the heat exchanger which is located behind the hole of the top front of blower compartment 1 Turn off all electric power to the appliance 2 Remove...

Page 22: ...i personne ne r pond appeler le service des incendies AVERTISSEMENT startup adjustments PLEASE READ ALL SAFETY INFORMATION BEFORE LIGHTING THE FURNACE WARNING Before placing the furnace in service it...

Page 23: ...st setting 2 Turn off all electric power to the appliance before servicing unit 3 Set the furnace On Off Switch to OFF Honeywell Figure 30 Turn gas control knob clockwise to OFF Robertshaw Figure 31 P...

Page 24: ...trol lever to ON 7 Turn electric power to the appliance ON 8 Set the thermostat to HEAT and or the desired temperature setting The furnace should light in approximately 45 seconds If the appliance wil...

Page 25: ...ergized for a 30 second warm up period After warm up the gas valve opens NOTE The time for ignition is approximately 6 seconds after which the gas valve either remains open if flame is sensed or close...

Page 26: ...to cut the electrical power to the furnace See Figure 33 Limit Control This furnace is protected by two high temperature safety limit switches The auxiliary upper limit switch and the high temperature...

Page 27: ...RX1 scale Normalreadingshouldbe40 75ohms If above or below this rating at room temperature changeignitor 3 Check for continuity from ignitor receptacle to burner Control Module is Powered Ignitor won...

Page 28: ...he igniter terminals and there is no ignition the igniter is likely defective and needs to be replaced 3 If the stops flashing burner turns on but the control locks out again check the cad cell If the...

Page 29: ...ailed ignition Five flashes L1 neutral reversed or L1 voltage not present on L1 Flame Status A Yellow LED labeled Flame is provided to indicate flame status When flame is sensed the flame LED is lit I...

Page 30: ...ceoperation Excessiveiceformationcould restrict the combustion air supply to the burner causing inefficient burner operation If excessive ice has formed on the air inlet or exhaust portions of the roo...

Page 31: ...53 26 43 0 3 x x 1 4 3 M1BC 066 66 53 26 43 0 3 x x 1 2 4 M1BB 086 86 68 18 37 0 3 x x 1 4 3 M1BC 086 86 68 18 37 0 3 x x 1 2 4 M5SB 066 66 56 0 3 50 Gph x Burner Model AF 10 1 4 3 M5SC 066 66 56 0 3...

Page 32: ...ut MBTUH 45 4 41 8 40 1 38 5 37 0 35 5 34 1 32 7 31 4 30 2 M1M 070 Orifice Size Nat Gas 24 25 26 27 27 28 28 29 29 30 Orifice Size LP 42 42 43 43 43 44 44 45 46 47 Output MBTUH 56 7 52 3 50 2 48 2 46...

Page 33: ...44 220 439 84 43 214 429 86 42 209 419 88 41 205 409 90 40 200 400 92 39 196 391 94 38 191 383 96 38 188 375 98 37 184 367 100 36 180 360 102 35 176 353 104 35 173 346 106 34 170 340 108 33 167 333 1...

Page 34: ...BLUE MED HI ORANGE MED LO WHITE RED LO BLACK HIGH BLUE MED HI WHITE 6 5 4 3 2 1 LEGENDS 115V FIELD 115V 24V FIELD 24V BLOWER MOTOR 4 SPEED NOTES 1 Incoming power must be polarized Observe color coding...

Page 35: ...to Table 12 A C Blower Selection 5 If any of the original wire supplied with the appliance is replaced 105 C wire or equivalent 6 Use copper conductors only 7 Flash Codes Refer to Table 9 Control Modu...

Page 36: ...lter s clean YES NO Flue connections tight YES NO Is there proper draft YES NO ATTENTION INSTALLERS Itisyourresponsibilitytoknowthisproductbetterthanyourcustomer This includes being able to install th...