Air Conditioning works by exchanging heat from inside a building to the outside air. To do this some very basic refrigeration principles need to take place. One of the most critical pieces that make this happen is the condenser coil. This is usually the aluminum coil the surrounds the air conditioning compressor.
What happens inside this outdoor unit is a very basic state change of the refrigerant inside the air conditioning unit. The refrigerant that changes from a liquid to a gas inside the indoor coil moves to the outside where the compressor compresses the gas under high pressure. When this happens the gas also becomes very hot. The hot gas then leaves the compressor to start traveling through the many feet of tubing in the condenser coil. As the gas cools it changes back to a liquid form going back indoors to start the cycle all over again.
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Big problems start when the condenser coil becomes so blocked up with dirt that the hot gas in the condenser coil does not cool enough to change the hot gas back to a liquid form. If this happens the cooling process does not happen and then air conditioner runs but is not cooling. The compressor starts to get very hot and the ultimate result will be the death of a compressor. For these reasons the condenser coil must be kept clean and free of debris at all times when the air conditioner is running. Cleaning the coil is a fairly simple process, Here are a few guidelines to follow when doing this.
To clean the coil a few simple tools are needed. A garden hose with a nozzle, wrenches to remove the condenser fan, a garden sprayer for applying the cleaning solution. The first thing is to disconnect the power to the outdoor unit. There should be a disconnect switch of some type near the condenser. Then remove the fan from the condenser unit. Usually this will be the top of the unit. The fan can usually be laid aside carefully without disconnecting the wires to the motor. Carefully wet down the coil with the garden hose. If you have very high pressure water where you live be careful that the water pressure does not bend over the fins on the coil. These are very thin and fragile. If they get bent over the air will not be able to freely flow through them. Using the cleaning solution from the garden sprayer, coat he inside and the outside of the coil. Let the solution work on the dirt build up before washing it off. If you use a foaming type coil cleaner then let the foam cook the dirt out of the coil. Then use the garden hose to wash the dirt out of the coil. I often work from the inside spraying out through the coil. This is the reverse of the usual air flow and it washes the dirt out easier. Rinse the coil with water till it is clean with no more dirt or cleaner coming out. Replace the fan and start the unit back up.
The cleaning solution for the condenser coil can be any good household cleaner. Many automotive type radiator cleaners will work well. For very dirty condensers it would be good to buy a foaming coil cleaner made specifically for cleaning condenser coils. A local plumbing and heating supply house should stock coil cleaning solutions. Most of these solutions are very strong chemicals. Be sure to wear gloves and eye protection when working with them.
By keeping your air conditioning condenser coil clean, you will help to have your air conditioner running at the best efficiency possible. A clean condenser coil is one of the easiest ways to save electric while running your central air conditioning system. A clean coil will allow your compressor to run cooler and help it to last longer. Your condenser coil should be thoroughly cleaned at least once a year. If in you live in very dirty areas like along a dirt road you may need to clean the condenser coil more often. Also do not do things that would clog up the coil. Blowing grass clippings into the condenser coil is one common thing that happens. Keep shrubbery from growing into and around the condenser coil. This stops the air flow to the coil. Large flowers planted too close to the coil can do the same thing.
As you can see there are many things that can cause your air conditioner to work harder and cost you more money. By taking a the time to look over things and give it a cleaning you can save a lot of money.
Special Price!!! Bare-Tool Makita BTW251Z 18-Volt LXT Lithium-Ion Cordless 1/2-Inch Impact Wrench (Tool Only, No Battery)
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Bare-Tool Makita BTW251Z 18-Volt LXT Lithium-Ion Cordless 1/2-Inch Impact Wrench (Tool Only, No Battery) Feature
- Makita-built 4-pole variable speed motor provides superior fastening power with 170 ft./ lbs. of Max Torque, 0-2,100 RPM and 0-3,200 IPM
- Compact, ergonomic design at 6-1/2 inches long; weighs only 3.7 lbs. for reduced operator fatigue
- Features such as a built-in L.E.D. light that illuminates the work area, and a rugged tool belt clip
- Makita LXT Lithium-Ion battery and Energy Star rated 30-Minute Rapid Optimum Charger produces 430% total lifetime work with 2.5X more cycles
- 3-year warranty on tool
Bare-Tool Makita BTW251Z 18-Volt LXT Lithium-Ion Cordless 1/2-Inch Impact Wrench (Tool Only, No Battery) Overview
Makita built, 4-pole maximum torque motor delivers 170 ft. lbs. of efficient torque in a compact size. More compact design at only 6.5" long and weighs only 3.7 lbs. for less operator fatigue. Batteries charge 2X faster in only 25 minutes. Ergonomic shape fits like a glove with even pressure and easy control. Built-in LED light illuminates the work area. Replaceable armature, field, and externally accessible brushes for greater serviceability. 3-year warranty on tool. Great for mechanics, installers, builders, fabricators and more. Bare Tool Only.Bare-Tool Makita BTW251Z 18-Volt LXT Lithium-Ion Cordless 1/2-Inch Impact Wrench (Tool Only, No Battery) Specifications
Makita's 18V LXT Lithium-Ion Cordless 1/2-Inch Impact Wrench delivers cordless impact power with a 1/2-inch square drive that will fit impact-rated socket sets. The versatile BTW251Z packs plenty of torque for a wide range of fastening and loosening tasks, yet it weighs just 3.7 pounds (with battery, sold separately) and is a cordless option to air-powered impact tools. | ||||
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The BTW251Z features a Makita-built four-pole motor that delivers 170 ft.lbs. of Max Torque, 0-2,100 RPMs, and 0-3,200 impacts per minute for a wide range of fastening tasks. Makita's proprietary hammer and anvil impact mechanism are manufactured using the best raw materials with the highest quality steel and unique heat hardening process for maximum fastening and driving power.
Ergonomic Design in a Compact Size
The BTW251Z weighs just 3.7 pounds (with battery, sold separately) with a more compact design at 6-1/2 inches long and an ergonomic shape that fits like a glove for reduced operator fatigue. The BTW251Z is also equipped with a phosphorescent bumper ring for quick location in dark spaces, a built-in L.E.D. light to illuminate the work surface for more efficient work, and a 1/2-inch square drive with detent pin for quick release.
Versatile Design for a Range of Applications
The BTW251Z is a cordless option to air powered tools for a range of fastening and loosening tasks. This impact wrench's compact design with less weight makes it perfect for assembly applications, fabrication trades, installation, automotive, and any pro tradesman that requires a best in class engineered impact wrench. The BTW251Z is especially suited for fastening concrete anchors, as well as for the elevator industry. The BTW251Z is just another example of Makita's commitment to innovative technology and best in class engineering.
About Makita's 18V LXT Lithium-Ion Cordless Tool Series
As one of the pioneers driving the cordless tool revolution, Makita changed the game with its breakthrough 18V LXT Lithium-Ion Cordless Series. Three years after its debut, Makita's LXT Series has grown from seven to over 35 tools, providing a wide range of cordless solutions for professional tradesmen. Makita also added 18V Compact Lithium-Ion for cordless power in a more compact size. Makita's 18V Lithium-Ion batteries and ENERGY STAR rated Optimum Charging System provide several benefits over old battery technology. When compared to traditional 18V Ni-Cd batteries, Makita's 18V Lithium-Ion batteries have 40% less weight, longer run time, and five-times lower self-discharge to keep cells active and ready to use at any time.
Makita's 18V Lithium-Ion battery delivers 2,000 cycles--2.5X more than Ni-Cd. In addition, built-in shock absorbing features help protect the battery, and sixteen firm-holding contact terminals deliver constant high power. During the charging process, a built-in memory chip in the battery communicates with the Optimum Charger for a more efficient charge, extending the battery life. Makita's Optimum Charger is also faster: it will charge an 18V LXT Lithium-Ion battery in just 30 minutes, and an 18V Compact Lithium-Ion battery in only 15 minutes. Makita also offers a Rapid Automotive Charger for 18V LXT and 18V Compact Lithium-Ion batteries that plugs into 12V DC sockets equipped in most automobiles and trucks for added mobility. Makita's growing line of LXT cordless tool solutions features a wide range of industrial-quality power tools, including driver-drills, impact drivers, impact wrenches, saws, grinders, screwguns, rotary hammers, and more. The LXT Series also offers a jobsite radio, rechargeable flashlights, and several different combo kits.
About Makita
Makita is a worldwide manufacturer of industrial quality power tools and offers a wide range of industrial accessories. Makita applies leading-edge innovation to engineer power tools that are more compact and energy efficient, yet deliver industrial strength power and results. Makita U.S.A., Inc. is located in La Mirada, California, and operates an extensive distribution network located throughout the U.S. For more information, please call 800/4-MAKITA (800/462-5482) or visit makitatools.com. Makita is Best in Class Engineering.
Warranty
Every Makita Lithium-Ion tool is backed by Makita's 3-Year Warranty that covers repair due to defects in materials or workmanship up to three years from the date of original purchase. Makita Lithium-Ion batteries and chargers have a limited 1-year warranty. Please see makitatools.com for complete details.
What's in the Box
Makita BTW251Z 18V LXT Lithium-Ion Cordless 1/2-Inch Impact Wrench (tool only).
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