Example Of Connection (R-410A Type); Heat Recovery System - Daikin REYQ72 Serveice Manual

Example of Connection (R-410A Type)

5. Example of Connection (R-410A Type)

5.1

Heat Recovery System

Use of the particular branch fitting appropriate to each individual unit type not only permits the
pipes to be laid with ease but also increases the reliability of the system as a whole.
Type of
fitting
Units can be added by connecting them directly to the REFNET header or REFNET joint.
Further branches cannot be included in the system below the REFNET header branch.
Notes:
1. When the capacity ratio of the indoor system to the outdoor unit is more than 100% and
2. Special purpose REFNET pipe components must be used for all the pipe work. For further
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when all the indoor units are in operation at the same time then the rated capacity of each
unit will be somewhat reduced.
details concerning choice of components, types of components, etc.
Sample systems
SiUS39-602
Appendix