Unit installation

39
ENGLISH
Adding refrigerant
The Heat Pump unit is provided to users with basic amounts of refrigerants as initial setting values. While using the unit or
doing refrigerant piping works, there can be some loss of refrigerants compared to initial amounts. To run the units properly,
keep the amount of refrigerant which SAMSUNG designated.
Procedures as below is describing how to adding the amount of refrigerant.
• R410A Shall be added as liquid phase.
• Adding and recharging works shall be by Service valves.
WARNING
1. Connect the manifold gauge and purge the manifold gauge.
2. Open the manifold gauge valve of the liquid side service valve and add the liquid refrigerant.
3. If you cannot fully recharge the additional refrigerant while the outdoor unit is stopped, use the key on PCB in the Heat
Pump to run for recharging the remaining refrigerant.
Adding refrigerants in running condition
1. Press the function key for adding refrigerant.
2. After 30 minutes of operation, open the service valve on low pressure side in Heat Pump.
3. Open the valve for low pressure side in the manifold gauge to recharge the remaining refrigerant.
4. After completing, close the valves in manifold gauge and eliminate the hoses from service valves.
Scale
Service valve
Manifold gauge
High pressure sideLow pressure side
Low pressure sideHigh pressure side
Important information regulation regarding the refrigerant used
• Inform user if system contains 3 kg or more of fluorinated greenhouse gases. In this case, it has to be checked
for leakage at least once every 12 months, according to regulation n°842/2006. This activity has to be covered
by qualified personnel only. In case situation above (3 kg or more of R-410A), installer (or recognised person
which has responsability for final check) has to provide a maintenance book, with all the information recorded
according to REGULATION(EC) N° 842/2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 May
2006 on certain fluorinated greenhouse gases.
CAUTION
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