Samsung RVMC060GDM0 Technical Manual page 273

9-3. Recovery of refrigerant
(1) Close the service valve of liquid side and then press the refrigerant recovery
button on outdoor PCB
(2) When the low pressure is getting lower enough, close the service valve to press
the refrigerant recovery button again or press key 3. Pressing the button stops the
compressor.
(3) When total amount of refrigerant in the pipe is more than 15kg, the refrigerant may
not be recovered completely even though the refrigerant recovery (pump down) is
performed. So care must be taken.
(4) The pump down time shall not exceed 5 minutes.
(5) Do not operate until the low-pressure progress to the vacuum state when pump is
down. You should operate while checking pressure after connecting the gauge to
the low-pressure side.
1) Refrigerant recovery button
1) MUF-
Key 1
Pump down
1) RVMH(C)-
Press times
1 Heating refrigerant charge
2
3
1) .
Key 2
Refrigerant charge
Key 1
Cooling refrigerant charge
Heating test operation Cooling test operation
49
Key 3
Reset
Key 2 Key 3
Reset
Pump down
Key 4
Test-operation
Key 4
View Mode