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 qualied refrigeration specialist.
Single installation outdoor unit
Model
Interconnection pipe length (m)
0~5 5~10 10~20 20~30 30~40
40~50
AC026HCADKH
AC035HCADKH
+10g/m over 5m - - -
AC052HCADKH
AC052HCAPKH
+10g/m over 5m - -
AC060HCADKH
AC071HCADKH
+20g/m over 5m
DPM installation outdoor unit
Model Diameter of L1, a & b pipe Installation condition
Amount of additional refrigerant charging
AC071HCADKH Φ 6.35 L1 + ... + Ln + 1 ≤ 50 m
(L1+a+b-5) x 20 [g] + (L2+...+Ln+1) x 20 [g]
If (L1+a+b)< 5 m, (L2+...+Ln+1) x 20 [g]
"n" means the number of indoor unit connection of DPM.
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