Configuration of connection pipe
Sheet 2. Additional refrigerant charging amount for R32
Diameter of connection pipe mm
Liquid pipe
Ф6
Ф6 or Ф9.5
Ф12
Ф16
Ф19
Ф22.2
Note: The additional refrigerant charging amount in Sheet 2 is recommended
value, not compulsory.
Gas pipe
Ф9.5 or Ф12
Ф16 or Ф19
Ф19 or Ф22.2
Ф25.4 or Ф31.8
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_
Indoor unit throttle
Cooling only,
cooling and heating
(g / m)
16
40
80
136
200
280
20
Outdoor unit throttle
cooling and
Cooling only
heating
(g / m)
(g / m)
12
12
24
48
200
280
16
40
96
96
200
280