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Installation
4.2 Installation of refrigerant piping
When installing the refrigerant piping, the following limitations and restrictions need to be
observed:
● Maximum actual and equivalent piping length
● Maximum branch pipe length to AHU Kit
● Maximum branch pipe length difference (between longest and shortest piping
from the first branch)
● Dimensions of connecting pipes to heat exchanger of AHU system
● Precharged pipe length of outdoor unit
● Additional refrigerant charging amount for longer pipe runs
● Other technical data and limitations of the relevant outdoor units
● Local piping design regulations
● Best practices for piping design
Important
For technical data, limitations and restrictions not mentioned in this document, refer to the tech-
nical documentation for the relevant ECOi, ECO G and PACi outdoor units.
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