How to install R-22

Overloading a air-conditioning system can be as bad as undercharging. Refrigerant R-22 or Freon, a chemical gas oil cooling is used to load the air-conditioning systems of families. Freon R-22 has regulatory constraints which limit the use of possession and repair HVAC license certified technicians who have experience of charging and reclaiming it. To complete the following procedure, you must have a certification to demonstrate competence in dealing with Freon R-22 and you must have a license to purchase and store it.FIX: ModerateScrewdriversSocket set and key (if applicable) AC manualPliersGlovesSafety gogglesAC operations setFreon tankThermometer1-charging indicator service

Make sure that r-22 is correct to use to load the coolant system. Charging tank must be clearly marked, identify this type of coolant. Depending on the design of AC drives, use a screwdriver or key grip and remove the cover or AC utility inspection system. You'll see two line level valve system. Remove both caps with a pair of pliers and identify the major diameter valve fitting. This will be the service or the valve part.

2

Connect to the service line from Freon tank valve (yellow) on the recharge gauge AC variety. Open the tank valve. Temporarily open the regulator knob red playhead to eliminate all air line, and then close it. Close both valves. Connect the AC red tube gauge for the service, then tighten the fitting with a pair of pliers. Leave the lower the gauge, or blue tube, disconnected. It cannot be used. Don gloves and safety glasses for your protection.

3

Go into Control Panel and set the thermostat unit AC for maximum cooling and turn it on. Return to the AC units and give a slight turn to the regulator knob red indicator (the service). Open the regulator knob on Freon tank refill. See the service manual for the correct AC operating pressure design. It will be listed in psi or pounds per square inch, as for example 50 or 60 psi. Watch the red indicator as it approaches the pressure limit.

4

Close the valve of the shell when the correct pressure Freon has been reached. Put your hand on the line section. It should be cold to the touch, verifies that enough Freon entered the system. Close the regulator knob red service indicator. Turn off the AC unit in the control of the thermostat inside the House. Disconnect the hose from the red line service from the service installation on the AC line, then disconnect the yellow line from Freon tank.

5

Install the appropriate AC drive and reinsert the screws. Tighten the screws with a screwdriver, or taken and key. Turn the thermostat up cool and let the drive to use the Freon. Use a thermometer to check the AC vent temperature cooling. This will allow you to see if it coincides with the thermostat setting and service specifications manual.

Photo Credit Comstock/Comstock/Getty Images; Read next:

View the original article here