Adding Refrigerant To Home Ac Unit

All ac recharging must be done by a professional by law.

Adding refrigerant to home ac unit.

The coolant is mixed with air inside an air handler unit a big box outside of your home. This is a step by step. This can save you more money in the long run because it will allow your new refrigerant to last as long as it is truly supposed to. When you need more refrigerant in your air conditioner don t attempt to make this repair at home.

Older hvac units require r 22 refrigerant refill charges to keep the temperature running cool in your home. Use an adjustable wrench to loosen them if needed. Over time if you find that the air blowing from the unit is warm you may need to add r 22 to your unit. Make sure the container remains in an upright position.

Open the valve on the refrigerant canister all the way. The liquid refrigerant service valve connects to the small copper refrigerant line. The large refrigeration line called the suction line holds the vapor refrigerant as it returns to the condenser. This law is part of the epa section 608 of the clean air act.

So a 2 5 ton hvac unit which requires 5 10 lbs would take about 25 minutes to an hour and 40 minutes. There are different kinds of refrigerant with different chemical formulas and properties including r134. Be sure the refrigerant container stands upright for the duration. With blue hose attached to the copper pipe attach the yellow hose to your refrigerant canister.

Slowly add the refrigerant allowing 5 10. For r 22 and 407c do this right side up. Ordinarily it takes 5 10 minutes to fill one pound of refrigerant. Turn on the ac and let it run for at least 15 minutes then connect the supply hose from your manifold to the refrigerant container.

To cool the air the system uses a chemical compound known as refrigerant or coolant. Once all aspects are connected to your ac unit you can release the valve on your freon container and allow the coolant to circulate in the system. For r 410a do this upside down as well as charge upside down. 2 choose the right refrigerant for your unit.

Add only small amounts at a time allowing approximately 10 minutes between each small addition to get a clear reading on the gauges. Step by step process of adding refrigerant in real time. Remove the caps from both service valves found where the refrigerant lines enter the condenser. It is best to have a professional come in to survey the possible damage before adding more refrigerant to the unit.

Putting the wrong refrigerant in your unit can cause combustion injury and property damage.