REFNET Pipe System
3. REFNET Pipe System
Heat Pump 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.
Units can be added by connecting them directly to the REFNET header or REFNET joint.
cannot be included in the system downsteam of a REFNET header.
1. When the capacity ratio of the indoor system to the outdoor unit is more than 100% and when all the indoor units are
in operation at the same time, then the rated capacity of each unit is somewhat reduced.
2. Special purpose REFNET pipe components must be used for all the pipe work. For further details concerning types
of components see Section 6.3 Example of Connection.
Further REFNET joints
Installation of Outdoor Units