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Pump down Procedure
Pump down will be carried out when an evaporator is replaced or when the unit 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 pressure
gauge (low pressure side) to the service valve, and open the valve again .
3 . Set the unit to the cooling Test mode by pushing K2 button (Check if the
compressor is operating . )
4 . Turn the high pressure side valve clockwise to close .
5 . When the pressure gauge indicates "0" turn the low pressure side valve
clockwise to close .
6 . Stop operation of the air conditioner by pushing K3 button .
7 . Close the each cap of valve .
Relocation of the air conditioner
• Refer to this procedure when the unit is relocated .
NOTE
• 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 foreign
material 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 material entering .
• 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 .
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B(liquid)
A(gas)
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