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Capacities and Selection Data
4.1.2 Selection parameters
To select the outdoor units, it will be necessary to consult and/or use a series of parameters shown in tables and graphics
presented in the dierent chapters of this handbook. A summarized list is shown below:
For cooling and heating capacities: manual of Engineering Data”.
For cooling correction factor depending on the piping length: 4.2 “Capacity Correction Based on Refrigerant Piping Length”.
For heating correction factor depending on the piping length: 4.2 “Capacity Correction Based on Refrigerant Piping Length”.
For sensible heat factor: VRF Indoor Units Technical Catalog.
In case of an installation with ducts (outdoor unit with AVD indoor unit) the fan performance for duct calculations should be
considered. The AVD units are designed with dierence static pressure ranges in order to fulll all installation necessities.
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