Samsung UH070CAV1 Installation Manual

Also see for UH026EAV1: Service manual User manual Service manual

Contents

E-21ENGLISHPump down ProcedurePump down will be carried out when an evaporator is replaced or when theunit is relocated in another area.1 Remove the cap from the low pressure side.2 Turn the low pressure side valve clockwise to close and connect a pressuregauge (low pressure side) to the service valve, and open the valve again.3 Set the unit to cool operation mode. (Check if the compressor is operating.)4 Turn the high pressure side valve counter clockwise to close.5 When the pressure gauge indicates “0” turn the low pressure side valve counterclockwise to close.6 Stop operation of the air conditioner.7 Close the each cap of valve.Note Relocation of the air conditioner Refer to this procedure when the unit is relocated. Carry out the pump down procedure (refer to the details of ‘pumpdown’). 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 usinga cap or vinyl plug to avoid foreign material entering. Disconnect the pipe connected to the outdoor unit.At this time, cover the valve of the outdoor unit and the other pipeusing a cap or vinyl plug to avoid foreign material entering. Make sure you do not bend the connection pipes in the middle andstore 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 newlocation.Low pressure side(Gas side)High pressure side(Liquide side)