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Reference for Installation
10-6-2 MH080FXCA4A
Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area.
5/8" Service Valve
3/8" Service Valve
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.
Relocation of the air conditioner
• Refer to this procedure when the unit is relocated.
• 1. Carry out the pump down procedure (refer to the details of ‘pump down’).
• 2. Remove the power cord.
• 3. Disconnect the assembly cable from the indoor and outdoor units.
• 4. Remove the flare nut connecting the indoor unit and the pipe.
• 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.
• 5. Disconnect the pipe connected to the outdoor unit.
• 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.
• 6. Make sure you do not bend the connection pipes in the middle and store together with the cables.
• 7. Move the indoor and outdoor units to a new location.
• 8. Remove the mounting plate for the indoor unit and move it to a new location.
Samsung Electronics 10-10