Samsung AR12KVSPDGM 사용자 설명서

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Step 3.4  Adding refrigerant
If you use a pipe longer than the length specified in 
the piping codes and standards, you must add 15g of 
refrigerant R-410A for each extra metre. If you use a pipe 
shorter than the length specified in the piping codes and 
standards, the evacuating time is normal. Refer to the 
Service Manual for further details. 
  CAUTION
•  The remaining air in the Refrigeration cycle, which 
contains moisture, may cause malfunction of the 
compressor. 
•  Always contact the service centre or a professional 
installation agency for product installation. 
R-410A is a mixed type of refrigerant. It is necessary for 
recharging under conditions of liquid. When recharging 
refrigerant from the refrigerant cylinder to the equipment, 
take the following instructions: 
Before recharging, check whether the cylinder has 
a siphon or not. There are two ways to recharge the 
refrigerant: 
  NOTE
•  If R-410A refrigerant is charged with gas, the 
composition of the charged refrigerant changes and 
the characteristics of the equipment vary. 
•  During the measuring operation of refrigerant quantity 
added, use electronic scales. If cylinder doesn't have 
siphon, upset it. 
Charge the refrigerant 
standing the cylinder upright.
<Cylinder with siphon>
Charge the refrigerant 
turning the cylinder upside 
down.
Siphon
<Cylinder without siphon>