Samsung mini DVM Series Service Manual page 506

2. In case of single installation of outdoor unit (If the installed indoor unit is 1 unit)
1) Lock the SVC valve on the liquid pipe side.
2) Push the K2 button of the main outdoor unit PCB 3 times.
(Displayed ''K7A'' on the outdoor PCB LED)
3) If the compressor is operated, observe the low pressure by using the view
mode of K4 button. (If the first number of LED is '3,' below three numbers
are low pressure value. Displayed down to one decimal point)
➔
e.g.)
: means low pressure value,
is 12.2kg/cm 2 ,g
4) If the low pressure goes down to below 2kg/cm
operation. (For ending of the pumpdown operation, press the K2 button two times or press the K3 button once to reset.)
Samsung Electronics
: means the low pressure
2 ,g, lock the SVC valve on the gas side immediately and end the pumpdown
Reference Information
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3 times :
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