3. Group Addressing Types for Indoor Units
4 Quick User Guide DCM014A51
3. Group Addressing Types for Indoor Units
A group address is a unique address that assigned manually to an indoor unit or a group of indoor units on the DIII-
Net system during the VRV commissioning process. Up to 64 group addresses can be assigned in one DIII-Net
system. Group addresses are as follows: 1-00 to 1-15, 2-00 to 2-15, 3-00 to 3-15 and 4-00 to 4-15. A remote control
group consists of 1 to 16 indoor units daisy-chained together via P1P2 connections. The unit# is used to identify
the indoor unit within a group of indoor units, unit#0 is the indoor unit responsible for receiving commands from
the iTM, and relay the data to the other units in the group.
1. A group address assigned to a single indoor unit (typical configuration).
* F1F2 = DIII-Net
** P1P2 = Remote Controller line
2. A group address assigned to a remote controller group.
3. A group address to each indoor unit in a remote controller group.
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