Adding Refrigerant; Adding Refrigerants In Cooling Conditions; Adding Refrigerants In Heating Conditions - Samsung AE RXEDEG Series Installation Manual

Adding refrigerant

Measure the quantity of the refrigerant depending on the length of the liquid side pipe. Add fixed quantity of the
refrigerant using a scale.

❋ Adding refrigerants in cooling conditions

Manifold gauge
High
Low pressure pressure
side side
Scale

❋ Adding refrigerants in heating conditions

Manifold gauge
High
pressure
Low
side
pressure
side
Scale
Connect the manifold gauge and purge the manifold gauge.
Open the manifold gauge valve of the liquid side service valve and add the liquid refrigerant.
If you cannot fully recharge the additional refrigerant while the outdoor unit is stopped, use the key on the outdoor unit
PCB to recharge the remaining refrigerant.
Adding the cooling refrigerant
1) Press the function key for adding refrigerant in cooling mode.
2) After 20 minutes of operation, open the valve on gas side.
3) Open the valve for low pressure side on the manifold gauge to recharge the remaining refrigerant.
Suction charging
Outdoor unit
Liquid side
Gas side
Service valve
Suction charging
Outdoor
unit
Liquid side
Gas side
Service valve
ENGLISH-39