Connect HVAC gauge blue low-pressure line to Schrader on AC unit..
Let the pump run for 15-20 minutes, then turn it off and let the unit sit for 10-20 minutes, and be sure it holds the pressure..
HVAC gauge blue low-pressure line should be connected to Schrader on AC unit..
With the valve off, turn HVAC blue gauge valve back on to let the unit pull in any refrigerant in the line..
valve is simple to attach by using Allen wrench to tighten the screws on it.
Aupoko A C R134A Refrigerant Charging Hose Kit, Recharge Hose with Gauge, R13A Can Tap and Quick Couple, R410A Straight Swivel Adapter, Piercing Tap Valve Kits, 2PC Adapters with Valve Core...
There are few methods for finding leak, from visual inspection to filling unit with Nitrogen and using soap to find the leak..
valve is easy to install and the method to get Schrader Valve on unit..
Schrader valve will need to be attached to the low-pressure line..
Jimmy Messick April 5, 2023 2008 Frederick window 4 000 BTU icing up on the front where filter goes 4 inches up I was was dirty and needed cleaning I had it clean now I'm told it's icing up because it's low on freon it's still blows cold it takes R22 I got on Amazon got Proseal22 & 16oz can R22.
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