24
Configuration of connection pipe and additional volume of refrigerant
INSTALLATION INSTRUCTIONS
Sheet 2. Additional refrigerant charging amount
for R22 R407C R410A
and R134a
value, not compulsory.
Note: The additional refrigerant charging amount in Sheet 2 is recommended
Piping size Indoor unit throttle Outdoor unit throttle
Liquid pipe Gas pipe Cooling only,
cooling and heating
(g / m)
Cooling only
(g / m)
1/4''
Cooling and
heating (g /
m)
20 15
3/8'' or 1/2'' 20
1/4'' or 3/8''
50 15
5/8'' or 3/4''
50
1/2''
100 30
3/4'' or 7/8''
120
5/8''
170 60
1'' or 1 1/4''
120
-
3/4''
250 250 250
-
7/8''
350 350 350
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