LG PQNFB17C1 Installation & Owner's Manual page 72

FUNCTIONAL SPECIFICATIONS ACP BACnet
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ACP-BAC Point List : ODU
One ODU unit has a Point List as follows.
ACP BACnet ODU Point List may not be supported depending on the product.
If an ODU system has two or more outdoor units then the point list of only the master unit is
supported - not any of the slave units.
Some points may display only zero (0) value depending on the ODU product model.