Are the refrigerant piping connections identical between the 9000 and 12000 BTU models of the CANDY CY-12TAIN air conditioner?

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Connections between 9000 and 12000 BTU models

No, the piping connections (refrigerant lines) are generally not identical between the 9000 and 12000 BTU models of the CANDY CY-12TAIN air conditioner, although they use the same type of refrigerant (R32 or R410A depending on the version).

Main differences:

Pipe diameter: The 12000 BTU model requires larger diameters (generally 9.5 mm for the supply and 15.9 mm for the return) compared to the 9000 BTU
Flow rates: Higher capacity models require a higher refrigerant flow rate
Thermal insulation thickness: The 12000 BTU requires more insulation to limit pressure losses

Before installing or modifying your system, refer to the installation diagram provided with your unit for the exact specifications of the required piping. Diameters and accessories should not be interchanged between the two models, as this may compromise energy efficiency and cooling performance.

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