18
Additional refrigerant charging amount for R22, R407C, R410A and R134a
Diameter of connection pipe
Liquid pipe(mm) Gas pipe(mm)
Φ6
Φ6 or Φ9.52
Φ9.52 or Φ12
Φ12
Φ16
Φ19
Φ22.2
Φ16 or Φ19
Φ19 or Φ22.2
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_
Cooling only(g/m) Cooling and heating(g/m)
15
15
30
60
250 250
350350
120
120
50
20
Outdoor unit throttle
