Air Conditioner Sequence of Operation - When a technician is troubleshooting an air conditioner problem it is important that the technician understands the air conditioner sequence of operation for that equipment. When there is a problem with the equipment, including air conditioners, the technician will know the problem if the equipment or air conditioner does not follow the sequence of operation. Sometimes it is that easy, and other times it is not that easy when troubleshooting any HVAC equipment. However, it is important to understand the sequence of operation for air conditioning so the technician can troubleshoot the problem. (more…)
Evaporator Coil Air Conditioners - the evaporator in air conditioners is responsible for absorbing heat into the coils and the refrigerant. The evaporator in heat pumps and air conditioners is an essential component of vapor compression refrigeration. This is usually done as a result of passing air or water over the evaporator coil where a heat exchange process takes place.
Heat leaves the air or water (whatever medium is used) and is absorbed into the coil and the liquid refrigerant. As more and more heat is absorbed by the evaporator coil and the refrigerant again changes state from a liquid to a refrigerant vapor. By the time the refrigerant leaves the evaporator coil the refrigerant should be all vapor and ready to be received again by the refrigeration compressor. (more…)
For proper Air Conditioner Troubleshooting, you need to understand some basics of air conditioners. This includes basic refrigeration, electricity, electrical components and how electro-mechanical controls work. In addition, basic air conditioner components and air conditioner sequence of operation. Before troubleshooting, you need to identify the basic problem with the system. Aside from the basics such as blown fuses or a tripped breaker we will explore other areas to look at for air conditioner troubleshooting. Tripped circuit breakers for air conditioning systems are covered here. A good preventive maintenance program done periodically can help you avoid common air conditioning problems that require troubleshooting. (more…)
HVAC Tip - Carbon monoxide detectors are important to own for those people who burn fossil fuels for heat. Carbon monoxide is a flammable, colorless, odorless, tasteless toxic gas produced during incomplete combustion of fuel - Natural Gas, Oil, Coal, Wood, Kerosene, etc. Someone suffering from carbon monoxide poisoning generally has severe headaches, nausea, and sinus problems. These symptoms generally begin with mild effects and people usually remain unaware of what the exact problems are until, sometimes, it is too late. How many cracked heat exchangers or faulty furnaces are out there that no one knows anything about except a slight headache and nausea? Don't take any chances, get your carbon monoxide detector and call your local heating and air conditioning company for a heater inspection today. Read more on this subject on the Furnace Page.
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Evaporator Coil Air Conditioners - the evaporator in air conditioners is responsible for absorbing heat into the coils and the refrigerant. The evaporator in heat pumps and 