10.3. Piping installation by existing piping
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Cooling only type (50Hz)
Model Name Standard piping specification
Liquid piping (dia.mm) Gas piping (dia.mm) Gas charge-less length
(m)
Additional gas volume (g/m)
CU-V24BBP5 6.35 15.88 30 20
CU-V24BBP8 6.35 15.88 30 20
CU-V28BBP5 9.52 15.88 30 50
CU-V28BBP8 9.52 15.88 30 50
CU-V34BBP8 9.52 19.05 30 50
CU-V43BBP8 9.52 19.05 30 50
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Heat pump type (50Hz)
Model Name Standard piping specification
Liquid piping (dia.mm) Gas piping (dia.mm) Gas charge-less length (m) Additional gas volume
(g/m)
CU-W24BBP5 6.35 15.88 30 20
CU-W28BBP5 9.52 15.88 30 50
CU-W28BBP8 9.52 15.88 30 50
CU-W34BBP8 9.52 19.05 30 50
CU-W43BBP8 9.52 19.05 30 50
Attention
•
• •
•
Please never 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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