Samsung AQV18VBAAQV24VBAAQV18VBC Service Manual

Contents

Samsung Electronics14-7-2 “Pump down” ProcedurePump down will be carried out when an evaporator is replaced or when the unit is relocated in another area.1) Remove the caps from the 3 way valve and the3-Way valve.3) Set the unit to cool operation mode.(Check if the compressor is operating.)4) Turn the 3-Way valve clockwise to close.7) Close the cap of each valve.2) Turn the 3-Way valve clockwise to close andconnect a pressure gauge (low pressure side)to the service valve, and open the 3 way valveagain.5) When the pressure gauge indicates "0" turn the3-Way valve clockwise to close.6) Stop operation of the air conditioner.3 way Valve2 way ValveRelocation of the air conditioner• Refer to this procedure when the unit is relocated.• Carry out the pump down procedure (refer to the details of 'pump down').• Remove the power cord.• Disconnect the assembly cable from the indoor and outdoor units.• Remove the flare nut connecting the indoor unit and the pipe.• At this time, cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid foreignmaterial entering.• Disconnect the pipe connected to the outdoor unit.At this time, cover the valve of the outdoor unit and the other pipe using a cap or vinyl plug to avoid foreign materialentering.• Make sure you do not bend the connection pipes in the middle and store together with the cables.• Move the indoor and outdoor units to a new location.• Remove the mounting plate for the indoor unit and move it to a new location.14-11Reference Sheet

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