Air conditioners were built to remove heat from air within an indoor space. 10. So if you're ever in your home's attic and notice that the secondary drain pan is full of water you immediately know that the first (primary) drain line is clogged and overflowing into the secondary drainage system and it needs to be addressed. When the air conditioning system runs, it not only cools the temperature of the air in your home, but it also removes humidity out of the air within your home and collects this moisture in a large drain pan hidden away inside your AC system below the system's evaporator coil.

I pay less than half of that. Most of the time an algae growth is the culprit blocking the drain. Finally, by eradicating the chance of water damage and bacterial growth, this simple, low-cost device could present a huge cost savings versus those units that do not have one if an overflow does occur.

point and run unit to fill pan. But what exactly happened here? Although highly dependable, this system will eventually require maintenance, repair or replacement. For assistance installing a safety float switch on air conditioner systems, contact Max Mechanical today!

Phoenix, Arizona 85018. 0000069235 00000 n Here are step by step instructions for float switch installation– for empty control and for fill control. When a liquid turns into a gas — a process known as phase conversion — it absorbs heat. Some HVAC equipment have a condensate pump installed with it, which the condensation drains into from the AC equipment and is pumped out rather than letting gravity drain it. Since 1994, Max Mechanical has been servicing the Dallas / Fort Worth area by fulfilling all of our customer’s air conditioning service needs. I see.. Well I really don't have the time to check how my AC system is draining all day, every day. What happens then?

A float switch prevents flooding. I usually break the red wire to the thermostat with the float switch. These switches come in many styles, some clip to the drain pan, some are actually installed in-line with the system's drain line, it just depends on the application to determine which type of switch is best, I've even seen some people install both of these types of switches on a single system. Both primary and secondary AC drain pans clog all the time, just ask some of the people you know or work with if they have ever had this unforunate experience at their own house. How can I confirm which wire is the thermostat power wire? Since HVAC drain lines are like swimming pools - If you leave a swimming pool's water untreated, you'll notice slime and sludge and life begins to form on top of and within the water. All Rights Reserved. Test switch by lifting float … We’ll briefly describe each of these functions below: Air conditioners remove heat from the indoor air by making use of a remarkable law in physics. Then suddenly you realize - Directly above the ceiling where the water is coming from is exactly where your air conditioning system is located in the attic. Tags: ac safety switch, float switch, wet switch. Air conditioners convert liquid to gas, and they use the gas to cool buildings.

Then, once cooling season rolls around again and the AC system kicks on, the drain will quickly form another layer of slime on top of this hard calcium-like layer from the year before, and clog. Float switches are great, and can save anyone the headache and expense of coming home to a collapsed ceiling or water damage to their home and it's furnishings. 0000092687 00000 n

What Air Handler Blower Speed Does an AC Unit Need? Don’t hesitate to make an appointment with us for AC maintenance, replacement or repair. The plug on the float switch will plug-in to a power outlet, and then the pump will plug into the piggy-back outlet on the back of the float. Safety float switches have proven to be the most effective technology to-date to combat overflow and the issues that follow it. 8. The safety float switch on air conditioner systems has become such an effective damage prevention tool that many local governments now require them on new installations. 11 0 obj <> endobj And, if you remember that you have a float switch, you can easily go into the attic and examine the AC systems drains. It shuts my AC system off? That is all there to it, your pump will only come on when the float is in position to allow it. Although you may give little thought to thermostats or comfort control, if either of these fail, you’ll certainly want them fixed very quickly. What is the cost of a safety float valve installed on Lennox AC unit? Had always recommended you to others. You open the door, take a step inside and immediately you notice the 'squishing' sound coming from you footsteps and quickly discover the carpet is soaking wet all the way to the front door! This means they are particularly easy to clog once slime and sludge and everything beings to form. Most air conditioners serve two primary functions — Removing heat for the air and dehumidifying that air. Flip the breaker supplying power to the air conditioning unit to the "Off" position to disconnect power … 0000083643 00000 n I need to install a couple of float switches on the two units inside the house. I guess I can stop reading this article now... Hey wait a minute.. What if my secondary drain pan ever clogs? News flash: Air conditioners have drain lines! They're pretty simple to install if you feel like giving it a go and if your familiar with installing a light switch then installing a float switch is very similar. For assistance installing a safety float switch on air conditioner systems, contact Max Mechanical today! 43 0 obj<>stream © Copyright 2020, Summers & Zim's. Air conditioners convert liquid to gas, and they use the gas to cool buildings. How to Test Your HVAC Unit After a New Installation, AC Unit Installation Follow-Up: What You Should Expect, Best Air Filter Products for Phoenix Home Owners. The switch is activated when the level of the water in the pan comes above a certain point, causing the switch mechanism to trip/float to rise. You rush to your vehicle, load your groceries into your car buckle up and start to finally head towards home and.. When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions. Is this some sort of a poltergiest? 0000002915 00000 n 0000002334 00000 n In the phase conversion process, one substance changes into another substance. This is going to of course make your home's indoor temperature rise, in which case you'll know that the AC system needs to be examined because it's not running. So since AC drains can (and do) clog, it is now code to have an extra secondary drain pan located underneath every AC system just in case the first (primary) drain pan ever clogs and begins to over-flow. If you are installing two switches, wire nut one wire from each of the switches together so the current will run through both switches which are normally closed so current can flow. When the air conditioning system runs, it not only cools the temperature of the air in your home, but it also removes humidity out of the air within your home and collects this moisture in a large drain pan hidden away inside your AC system below the system's evaporator coil. In that case you do not need to tie them together, just break one condenser wire from each system and tie one float switch into one side each of the broken condenser wire. Float switches can be purchased online or from various hardware stores or AC supply houses and shouldn't take you more than an hour to install. “Love & trust your company, techs and work. If your drain line ever does clog, it's best to cut the drain line in half and examine the inside of the drain pipe itself. At this point, a technician can locate and fix the source of the leak before water damage occurs. Horizontal units typically have a secondary drip pan, which is found under the unit to prevent excess condensation from doing damage.


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