To Next Page

To Previous Page

ENGLISH

Charging additional refrigerant

f R-410A refrigerant is blended refrigerant. Add refrigerant in liquid form only. (Make sure to use the refrigerant bomb in

upright position)

f Measure the quantity of the refrigerant according to the length of the liquid side pipe. Add ﬁxed quantity of the

refrigerant using a scale.

Single installation

f Open the manifold gauge valve connected to the liquid side service valve and add the liquid refrigerant.

f If you cannot add the whole quantity of the refrigerant while the outdoor unit is stopped, open the gas side and liquid

side service valve. Then, add remaining refrigerant by pressing the refrigerant adding button of the outdoor PCB.

Gas side

Scale

R-410A (Inject

liquid refrigerant)

Liquid side

Vacuum port

Manifold gage

Service valve

Outdoor unit

Module installation

f Open the manifold gauge valve connected to the liquid side service valve and add the liquid refrigerant.

f If you cannot add the whole quantity of the refrigerant while the outdoor unit is stopped, open the gas side and liquid

side service valve. Then, add remaining refrigerant by pressing the refrigerant adding button of the outdoor PCB.

f If you use the refrigerant charging function from the PCB, outdoor unit will operate and charge the refrigerant. At this

time, you must use gas side manifold gauge for cooling operation.

Gas

side