Samsung AC018MNADCH/AA - Adding Refrigerant (R-410 A)

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13. Installation
13-2. Outdoor unit
Make at least one round:
It will reduce noise and vibration
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 The appearance of the unit may be different from the diagram depending on the model.
 CAUTION
• After connecting pipes through the knock-out, cover the opening to prevent animals and debris from entering.
Adding refrigerant (R-410A)
The outdoor unit is loaded with sufficient refrigerant for standard piping. Thus, refrigerant must be added if the piping is lengthened. This operation can only be
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1) Check that the stop valve is closed entirely.
2) Charge the refrigerant through the service port of liquid stop valve.
NOTE
• Do not charge the refrigerant through the gas side service port.
3) If you cannot charge the refrigerant according to the steps above, following these :
• Open both liquid stop valve and gas stop valve.
• Operate the air conditioner by pressing the K2 key on the outdoor unit PCB.
• About 30 minutes later, charge the refrigerant through the service port of gas stop valve.
NOTE
• If necessary, refer to the pressure table classified by outdoor temperature.
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Ref.
Gas side stop valve(service port)
Outdoor unit
Indoor unit
Balance ǤɇʀЇЇΧЇΧ
Liquid side stop valve(service port)