10.3. Piping installation by existing piping
It is possible to use the existing piping by adjusting the refrigerant gas volume.
Please do correct piping installation referring to the table below.
Standard piping specification
Heat pump type Cooling only type Liquid piping Gas piping Gas charge-less length Additional gas volume
(Ømm) (Ømm) (m) (g/m)
CU-A18BBP5 CU-C18BBP5 6.35 12.7 10 20
Attention
•
• •
• Please do not decrease the gas piping size. (It causes the breakdown of the compressor)
•
• •
• The equivalent piping length and the cooling and heating capacity change rate are same as the standard piping
specification.
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