Electronic air cleaners - Study guides, Class notes & Summaries

None correct answers What precautions are required when mounting any gas furnace on a wood platform in an attic? 14 inWC correct answers The gas control valve may be damaged if exposed to an inlet pressure above... As few as possible to reduce resistance of flue gases correct answers How many elbows should a vent connector have? Under no conditions may you use the water heater exhaust vent correct answers The technician is installing a vent system for a condensing gas furnace. The f...

  A technician has determined a supply in a flexible duct system is leaking. What should be checked? - Answer: All connections inner and outer layers. Electronic air cleaners can operate with internal voltages as high as? - Answer: 5000v Why do some electromechanical type thermostats require connections to both the hot side and common side of the low voltage transfromer - Answer: Display lights must be powered using both sides of the line the continuity reading on a functional fus...

Heat Anticipators - Are wired in series Cooling anticipators - Are wired parallel Low pressure switches detects - a loss of refrigerant Low pressure switches de energizes - the compressor Electronic air cleaners do not - remove odors Electronic air cleaners normally are - 4000 to 8000 dc volts Air handlers above a ceiling have to have - a secondary pan Latent heat - changes the state of a substance but not the temp Always size a heat pump - By t...

Why are air cleaners installed ahead of heating or cooling coils and air conditioners? To protect the equipment from dust and increase efficiency What are two ways in which a mechanical filter could restrict air flow? Dirty Air Filter and Incorrect Air Filter Name three types of air cleaners that can be used with a forced-air furnace? Media, electrostatic, and electronic Which type of air cleaner is usually the least expensive? Media/Mechanical Which type of air c...

What precautions are required when mounting any gas furnace on a wood platform in an attic? - None The gas control valve may be damaged if exposed to an inlet pressure above what? - 14 inch W.C. How many elbows and joints should a vent connector have? - As few as possible to reduce resistance of flue gases. Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the water heater: - Under no conditions may you use the water heater exhaus...

NATE Gas Heat Practice Guide (2022/2023) Rated A+ What precautions are required when mounting any gas furnace on a wood platform in an attic? None The gas control valve may be damaged if exposed to an inlet pressure above what? 14 inch W.C. How many elbows and joints should a vent connector have? As few as possible to reduce resistance of flue gases. Under what conditions, if any may the technician route the exhaust of the furnace into the exhaust vent of the water heater: Under no condition...

What is a thermal equilibrium point of a duel fuel heat pump? Outdoor conditions which the capacity of a single heat pump matches the capacity of a supplementary heater Which ACCA manual should the technician consult to make an accurate calculation of residential load? ACCA J Manual What is the minimum ampacity of a circuit listed on the data plate of a packed heat pump used to determine? The average amperage of equipment when it is working properly What is the relationsh...

NACE #1/SSPC-SP5 - WHITE METAL BLAST CLEANING. When viewed without magnification the surface shall be free from visible oil, grease, dust dirt, mill shcale, rust , coating, oxides, corrosion products and other foreign matter. NACE #2/SSPC-SP 10 - NEAR WHITE METAL BLAST CLEANING. When viewed without magnification the surface shall be free from visible oil, grease, dust, dirt, mill scale, rust, coating, oxides, corrosion products, and other foreign matter. Random staining shall be limited to...

Why are air cleaners installed ahead of heating or cooling coils and air conditioners? - correct answer -To protect the equipment from dust and increase efficiency What are two ways in which a mechanical filter could restrict air flow? - correct answer -Dirty Air Filter and Incorrect Air Filter Name three types of air cleaners that can be used with a forced-air furnace? - correct answer -Media, electrostatic, and electronic Which type of air cleaner is usually the least expensive? - cor...

A technician has determined a supply in a flexible duct system is leaking. What should be checked? correct answers All connections inner and outer layers. Electronic air cleaners can operate with internal voltages as high as? correct answers 5000v Why do some electromechanical type thermostats require connections to both the hot side and common side of the low voltage transfromer correct answers Display lights must be powered using both sides of the line the continuity reading on a f...