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NORA Oilheat Technicians Manual

Oilheat Technician’s Manual Combustion .................................................................... 7-3 air ........................................................................ 7-4 - 7-13, 7-18, 7-20 air setting ............................................................. 7-4 air supply and air-oil mixing .................................. 7-5, 7-19 analyzer ............................................................... 7-23, 7-28 Btus ..................................................................... 7-3 calculating confined space .................................... 7-19 cleanliness ........................................................... 7-5, 7-19 combustion test readings ..................................... 7-19 combustion testing ............................................... 7-9, 7-23, 7-25, 7-26 efficiency testing .................................................. 7-9, 7-23 excess air ............................................................ 7-21 process ................................................................ 7-4 test readings ........................................................ 7-26 testing .................................................................. 7-9 testing equipment ................................................. 7-4, 7-10, 7-12, 7-20, 7-24 troubleshooting guide ............................................ 7-25, 7-28, 7-31 Combustion Chambers ................................................... 5-17, 13-3, 13-8 burner installation chamber guide .......................... 5-21 design .................................................................. 5-18 materials .............................................................. 5-17 refractory-type ...................................................... 5-20 replacing .............................................................. 5-17, 13-3, 13-9 shapes ................................................................. 5-18 sizing ................................................................... 5-18, 5-19 Conductors ..................................................................... 8-5 Couplings ....................................................................... 4-4, 10-13, 10-15 Current, Measuring ......................................................... 8-19 Customer Service .......................................................... 14-9, 16-16, 17-3, 17-4 cleanliness ........................................................... 14-3 hot tips for successful service calls ...................... 17-8 problem solving .................................................... 17-5 Dew Point Temperature ................................................... 7-14 Dielectric Fitting ............................................................. 13-21 Direct Vent ..................................................................... 6-15, 6-17, 6-19 Draft ............................................................................ 6-3 - 6-4, 7-14 breech .................................................................. 6-9 chimney venting ................................................... 6-4, 6-12, 6-16 controls ................................................................ 6-8 inducers ............................................................... 6-13, 6-15 measuring draft .................................................... 6-8, 7-14 over-the-fire .......................................................... 6-9 problems .............................................................. 6-5, 6-6 regulator locations ................................................ 6-8, 7-15 regulators ............................................................. 6-7, 7-15 variations ............................................................. 6-6 vent hood locations .............................................. 6-16 venting systems/alternatives ................................ 6-15 vs. outdoor temperature ........................................ 6-3 - 6-4, 7-14 Efficiency ....................................................................... 7-9, 13-10, 14,8, 16-3 Electrical Control Circuit ................................................. 12-3 Electrical Safety ............................................................ 8-3, 8-14 Electrical Terms .............................................................. 8-4 Electrically Commutated Motor (ECM) ........................... 10-14 Electricity ....................................................................... 8-3 circuits ................................................................. 8-6, 8-8, 8-9, 8-28 conductors ........................................................... 8-5 insulators ............................................................. 8-5 loads .................................................................... 8-6 magnetism ........................................................... 8-14, 8-17 measuring ............................................................ 8-18 - 8-20 safety .................................................................. 8-14, 8-22, 8-26 shock protection ................................................... 8-24 - 8-26 switches .............................................................. 8-6, 8-11 - 8-13, 8-15 wiring ................................................................... 8-10, 8-27 Electrodes ...................................................................... 9-3, 9-12 Electromagnets, Electrical ............................................. 8-17 Electronic Fan Timer ....................................................... 12-12 Electronic Thermostats ................................................... 12-7 Energy Conservation ...................................................... 16-3 energy savings ..................................................... 16-11, 16-16 Equipment modifications ........................................................ 16-11 replacing .............................................................. 16-8, 16-17 Excessive Firing Rates .................................................. 16-8 Exhaust Gas .................................................................. 16-6 Expansion Tank .............................................................. 13-14, 13-21 Fan and Limit Control ...................................................... 12-8 Fan-coil .......................................................................... 13-11 Fans ............................................................................ 10-7, 10-14, 12-6 Fill Pipes ........................................................................ 3-10 Filters ............................................................................ 2-10, 3-11 replacing .............................................................. 2-12 Firing Rates ................................................................... 16-8 Oilheat Technicians Manual—XIV


NORA Oilheat Technicians Manual
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