Samsung AQ07A1VE Service Manual

Also see for AQ07A1VE: Installation manual Owner's instructions Service manual

Contents

Operating Instructions and Installation3-10 Samsung Electronics3-2-2(g) Air-Purge Procedure• Use the refrigerant of the outdoor unit to purge air inside indoor unit and pipe.notleaking1. Remove the caps from the 2-way valve(B)and the 3-way valve(A).3 Check refrigerant leakage of each joint parts(A, B, C & D in right figure)6. Open the 2-way valve and 3-way valvecompletely4. Open the 2-way valve again.7. Close the cap of each valve.8. Check each valve for leakage.5. Open the service valve cap of the 3-wayvalve and press the needle valve todischarge gas for 3 seconds and leave itfor about 1 minute.Repeat the above procedure for 3 timesto purge air.LeakingIf leaking, tighten the flare nut one more time.If continues to leak, although the pipe fixingarea has been tightened again,repair the leaking area.2 Turn the 2-way valve cock approx. 45°counterclockwise to open it. Close itabout 10 seconds later. Valve stemStopperValve stemIndoor UnitOutdoor UnitLiquid pipe side2-way valve 3-way valveGas pipe side