Adding Refrigerant (R-410A) - Samsung AC HCADKH Series Installation Manual

Adding refrigerant (R-410A)
The outdoor unit is loaded with sufficient refrigerant for the standard piping . Thus, refrigerant must be added if the piping is
lengthened . This operation can only be performed by a qualified refrigeration specialist . For quantity of adding refrigerant,
refer to page 19 .
1 . Check that the stop valve is closed entirely.
2 . Charge the refrigerant through the service port of liquid stop valve.
• Do not charge the refrigerant through the gas side service port .
NOTE
3 . If you cannot charge the refrigerant according to the upper steps, following these :
1) Open both liquid stop valve and gas stop valve .
2) Operate the air conditioner by pressing the K2 key on the outdoor unit PCB .
3) About 30 minutes later, charge the refrigerant through the service port of gas stop valve .
• If necessary, refer to the pressure table classified by outdoor temperature .
NOTE
Outdoor unit
Balance Vacuum pump
How to Calculate the Quantity of Adding Refrigerant
The quantity of additional refrigerant is variable according to the installation situation . Thus, make sure the outdoor unit
situation before adding refrigerant . This operation can only be performed by a qualified refrigeration specialist .
Single installation outdoor unit
AC030HCADKH / AC036HCAD✴H / AC042HCAD✴H
AC048HCAD✴H
CAC_Global Duct Latin America_IM_EN_04680A-02.indd 18
Gas side stop valve(service port)
Liquid side stop valve(service port)
Indoor unit 1
Model
ENGLISH-18
Interconnection pipe length (m)
0~30 30~40 40~50 50~60
+10g/m over 5 m
+10g/m over 5 m
60~70 70~75
2014-09-04 오전 9:17:27