HVAC
Heating, Ventilation, and Air Conditioning
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Why Avoid Plugging Space Heaters into Power Strips or Extensions?
Why Space Heaters Should Not Be Plugged into Power Strips or Extension Cords? It is a cold weather reminder that you should NOT plug space heaters into power strips or…
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How to Control 120V & 240V Water Heater using ST01 Timer and Contactors?
How to Wire ST01 Timer with Relay & Contactor for 120V/240V Water Heater? In today’s wiring tutorial, we will demonstrate how to wire and control a 120V and 240V water…
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How to Toggle between Two Heat Pumps using 240V Twin Timer?
Wiring Circuit Diagram to Operate One Heat Pump at a Time Using Timer The following wiring circuit ensures that both heat pumps do not run simultaneously. In other words, only…
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How to Reduce Runtime of Air-Conditioner During Peak Hours?
How to Override Air-Conditioner Thermostat Using Digital and Programmable Timers? To reduce the excessive operation of the air conditioner during peak electricity hours, we can use digital and programmable timers…
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What is the Right Wire Size for a 4.8kW, 240V Range: #10 or #12?
How to Determine the Correct AWG Wire Size for a 4.8kW, 240V 1-Phase Electric Range According to NEC? Since we’ve already covered various aspects of wire and cable sizing for…
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How to Control the Compressor Motor in Refrigeration Using Soft Starter?
Controlling a Three-Phase Compressor Motor in Refrigeration using Soft Starter In refrigeration systems, compressors play a vital role in maintaining the desired temperature levels. The compressor motor, being a crucial…
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Why Does the Heating Element Glow but Not the Cord of Heater?
Why Does the Heating Element Glow While the Cord of the Heater Doesn’t? It is a matter of common experience when the element of the heater connects to the electric…
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What is Joule’s Law and Heating Effect of Current
Joule’s Law – Joule Effect or Heating Effect of Current and its Applications An English physicist James Prescott Joule discovered the Joules’ law (also known as Joel’s effect, Joule-Lenz law…
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Difference Between Conventional and Addressable Fire Alarm
Main Difference between Conventional Fire Alarm and Addressable Fire Alarm Systems Safety and prevention is of the utmost importance in any type of building that can be a residential houses…
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How to Wire an AFCI Combo Switch – AFCI Switch Wiring Diagrams
AFCI Combo Switch Wiring Circuit Diagrams and Installation Arc fault circuit interrupter “AFCI” is a protection device used to protect the circuit from electric arcing which cases electric fire. It…
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