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Refrigerant charging
INSTALLATION PARTS
Allowable refrigerant pipe length and amount of additional refrigerant charging
• Air purge refrigerant for piping is not filled in this product.
• Make sure to vacuum inside of the connection pipe using vacuum pump after connecting pipes.
• During initial installation, fill the additional refrigerant if the pipe length exceeds 5 m.
• For every 1 m of exceeding pipe length, fill additional refrigerant as stated below.
Pipe diameter (mm)
Refrigerant amount
Basic (g) Additional (g/m)
AC078B*PD*C 6,600
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AC096B*PD*C 6,600
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Ex) If total piping length is 30 m,
6,600g (standard filling amount for 5 m pipe): Factory default (AF0AKV3SAEE*)
1,250g = {50g/m x (30m-5m)}: Additional refrigerant amount
(Fill during the installation)
7,850g: Total amount of refrigerant filling
Allowable refrigerant pipe length
Model name Maximum allowable pipe length Maximum height difference of the pipe
AC078B*PD*C
75m
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AC096B*PD*C
Refrigerant charging
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