7-6
Samsung Electronics
7-6 "Pump down" Procedure
Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area.
Relocation of the air conditioner
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Refer to this procedure when the unit is relocated.
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1. Carry out the pump down procedure (refer to the details of ‘ pump down ’ ).
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2. Remove the power cord.
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3. Disconnect the assembly cable from the indoor and outdoor units.
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4. Remove the flare nut connecting the indoor unit and the pipe.
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4.
At this time, cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid foreign
material entering.
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5. Disconnect the pipe connected to the outdoor unit.
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4.
At this time, cover the valve of the outdoor unit and the other pipe using a cap or vinyl plug to avoid foreign
material entering.
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6. Make sure you do not bend the connection pipes in the middle and store together with the cables.
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7. Move the indoor and outdoor units to a new location.
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8. Remove the mounting plate for the indoor unit and move it to a new location.
5/8" Service Valve
3/8" Service Valve
AJ020JCJ2CH/AJ024JCJ3CH/AJ036JCJ5CH
1) Remove the caps from the 3/8" service valve and
the 5/8" service valve.
3) Set the unit to cool operation mode.
(Check if the compressor is operating.)
4) Turn the 3/8" service valve clockwise to close.
7) Close the cap of each valve.
2) Turn the 5/8" service valve clockwise to close and
connect a pressure gauge (low pressure side)
to the service valve, and open the 5/8" service valve
again.
5) When the pressure gauge indicates "0" turn the
5/8" service valve clockwise to close.
6) Stop operation of the air conditioner.
