Newmac LFR-72 Installation, Operating And Service Manual Download Page 20 | Manualshive

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FIG. 13. STANDARD WIRING SCHEMATIC - DIRECT DRIVE

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Summary of Contents for LFR-72

Page 1: ...ING PRODUCTION Newmac Mfg Inc 208 LANCASTER CRESCENT P O BOX 9 DEBERT NOVA SCOTIA BOM 1G0 PHONE 902 662 3840 FAX 902 662 2581 WAREHOUSE Newmac Mfg Inc 430 SPRINGBANK AVE SOUTH WOODSTOCK ONTARIO N4V 1B...

Page 2: ...X 24 2 MED LO LO LO 3 1 4 X 5 2 1 2 0 50 DIRECT DRIVE SPEED TAP BELT DRIVE MODEL AERO BURNER B T U H OUTPUT B T U H INPUT USGPH AFUE NOZZLE PUMP p s i INSERTION inches BURNER AIR SETTING AIR BAND CHI...

Page 3: ...0 3 00 MED HI 1 010 1 280 3 00 MED HI 1 090 1 230 3 00 MED LO 920 1 115 2 75 MED LO 1 050 1 125 2 75 DELHI G10 8 DD 1 2 HP 4 SPD LO 845 0 50 900 2 25 DELHI G9 DD 1 2 HP 4 SPD LO 1 000 0 50 1 065 2 50...

Page 4: ...2 3 Delavan 0 60 60A 145 2 1 5 4 4 0 02 380 20 x 25 MED HI 0 50 LO MED LO 0 20 LFR 73V BF3 73 000 83 640 0 60 81 9 Delavan 0 50 80B 145 2 1 3 8 0 02 350 20 x 25 MED LO HI 0 50 BURNER AIR DIRECT DRIVE...

Page 5: ...erning installation Some codes may vary from the requirements set forth in this manual FOUNDATION To ensure the furnace is on a level foundation and above any possible dampness a cement pad is recomme...

Page 6: ...with strong draft Follow the manufacturer s instructions located with the draft regulator for proper installation BLOCKED VENT SWITCH The WMO 1 blocked vent control is required on Newmac oil fired and...

Page 7: ...of the same diameter and extend to the same depth in the tank An emergency oil shut off valve should be installed as required by local ordinance This can be manual electric solenoid or vacuum operated...

Page 8: ...an Off Setting See Figs 2 3 and 4 This setting keeps the air circulation blower running until the temperature of the heat exchanger drops to the fan off temperature This ensures the blower adequately...

Page 9: ...2 4x9 2 7 2 145 4x18 2 10 2 morethan725 Unconfined 21 4x6 1 5 1 21 4x6 1 5 1 725or less Confined 52 4x7 2 6 2 105 6x 9 2 8 2 NH3 LFR Freeareaof ductsassumesair isconveyedfromoutside The following shou...

Page 10: ...on monoxide Ventilation may dilute any carbon monoxide produced under abnormal operating conditions Adequate air for combustion will help maintain the proper air fuel ratio Appliances which are burnin...

Page 11: ...BURNER SET UP AND ADJUSTMENT The installer must use a suitable draft gauge smoke tester carbon dioxide tester 0 750 F stack thermometer 0 200 psi oil pressure gauge 0 30 in Hg vacuum gauge and 0 220 F...

Page 12: ...cuum should be no more than 6 Hg Two pipe systems are recommended for lift feed or when the pump inlet is at a higher elevation than the tank outlet Install the return line termination higher than the...

Page 13: ...sary The LFR has no cerafelt combustion chamber SMOKE BAFFLES Both the NH3 and the LFR furnaces have factory installed smoke baffles inside the radiator ducts NH3 Check to ensure they have not become...

Page 14: ...er Similarly too much air during heating mode resulting in a temperature rise of less than 65 o F may cause heat exchanger degradation due to condensation DIRECT DRIVE BLOWER The installer should sele...

Page 15: ...ot on the heat exchanger surfaces and firetube walls will reduce heat transfer and can increase fuel consumption significantly A 1 32 layer of soot acts as an insulator and can result in a 3 increase...

Page 16: ...E 8 CONTACT SERVICE PERSONNEL FOR AIR FILTER REPLACEMENT 9 CONTACT SERVICE PERSONNEL BEFORE AND AFTER EXTENDED PERIODS OF APPLIANCE INOPERATION 10 THE BURNER IS FULLY AUTOMATIC IN OPERATION ALL ADJUST...

Page 17: ...16 FIG 10 TYPICAL OIL TANK PIPING INSTALLATIONS...

Page 18: ...17 FIG 11 DIMENSIONS CONTROL LOCATION NH3...

Page 19: ...18 FIG 12 LFR SET UP...

Page 20: ...19 FIG 13 STANDARD WIRING SCHEMATIC DIRECT DRIVE...

Page 21: ...20 FIG 14 STANDARD WIRING SCHEMATIC A C READY DIRECT DRIVE...

Page 22: ...21 FIG 15 STANDARD WIRING SCHEMATIC BELT DRIVE...

Page 23: ...0 CFM 3 4 H P 1 H P 12 X 8 12 X 9 12 X 10 12 X 12 32 X 10 or 20 round 16 12 11 32 X 12 or 22 round 30 X 20 5 ton 2000 CFM 3 4 H P 1 H P 12 X 10 12 X 12 32 X 10 or 20 round 18 13 12 32 X 14 30 X 22 Min...

Page 24: ...23 FIG 16 NH3 EXPLODED ASSEMBLY...

Page 25: ...A 2040114 DIRECT DRIVE BLOWER DELHI G9 DD 33 41100140 BURNER CABLE 30 wire 18 conduit 21 B DIRECT DRIVE BLOWER TORIN DC 916 916 5 34 2200101 4 X 4 JUNCTION BOX 21 C 2040115 DIRECT DRIVE BLOWER DELHI...

Page 26: ...rect Drive DD Blower Assembly 027 4010310 Stainless Steel Baffle 030 4050115 Blower Speed Junction Box Assembly Item No Part No Description 031 2010040 5uF 370v Capacitor 032 2040116T GT10DD or DCT 10...

Page 27: ...26 FIG 18 RIELLO BURNER MODEL 40 F3 F5 EXPLODED ASSEMBLY FIG 19 RIELLO BURNER MODEL 40 BF3 BF5 EXPLODED ASSEMBLY Item 2030016 Riello Burner End Cone Protector not shown See Fig 9 for its location...

Page 28: ...X O ring valve stem lower 17 12 3007268 X X X X Nozzle outlet fitting 18 14 3006553 X X X X Coil U bracket retainer nut 19 15 3002279 X X X X Coil 20 16 3007802 2060007 X X X X Pump 21 17 3000443 X X...

Page 29: ...X Regulator assembly short 45 3006323 X X Regulator assembly short 46 46 3006330 X X Electrode assembly short 46 3006329 X X Electrode assembly short 47 47 3005869 X X X X Electrode porcelain 48 48 30...

Page 30: ...nsformer 10 000 Volt 51771U 2090064 X Electronic Ignitor 14 000 Volt 17 3708 2090044 X Low Firing Rate Baffle 18 2090047 X 6 Electrode assembly 21 5770 X Junction Box Kit 26 3 666 X Knurled Locknut 27...

Page 31: ...1 1 Fan 508 229 HF US S SV 7 35171223 2090011 1 Coupling 8 2060004 2060004 1 Pump 9 35382740 2090002 1 Transformer 2721 456 Electronic Ignitor 10 35141900 2110005 1 End Cone AFC 2X 2090020 2 End Cone...

Page 32: ...60200 02 X Primary Control Interrupted Duty pre post purge 6 X Oil Valve in pump 7 22996 2060004 X Fuel Unit Std Single Stage Suntec A2VA 7116 8 34397 X Oil Line 3 16 OD Std Fuel Unit to Oil Valve 9...

Page 33: ...32 FIGURE 23 COMMON CHIMNEY DRAFT PROBLEMS...

Page 34: ...djust Air Settings Burner Locks out on Safety Poor Combustion Ensure Draft is Adequate Air Leak in Oil Supply Line Tighten Fittings or Replace Line Loose or Dirty Nozzle Replace Nozzle Faulty Oil Pump...

Page 35: ...A Ducts Clear Blocked Return Registers Increase Undersized S A Ducts Clear Blocked Supply Grills Replace Faulty Blower Motor Clean Clogged Blower Wheel Tripping High Limit Replace Broken Blower Belt F...

Page 36: ...C 4 OVERFIRE PRESSURE INCHES W C 5 NOZZLE ANGLE PATTERN 6 C02 PERCENT 7 BURNER MODEL 8 FLUE GAS TEMPERTURE FO 9 ROOM TEMPERTURE FO 10 SMOKE NUMBER BACHARACH 11 FUEL GRADE NUMBER 12 SUPPLY PLENUM STAT...

Page 37: ...d from its published design or purpose and or an air conditioning coil shall not be installed on the return air side of the furnace 5 Furnace must not have been removed from the original installation...

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