Samsung MIM–B18BN User & Installation Manual page 49

Maximum Devices Attachable
Devices Max.
Indoor Unit 256
OnOff
controller/
Touch 75
Centralized
controller
Outdoor unit 80
SIM/PIM 8
Watt-hour
64
Meter
The sum of OnOff controller, touch centralized controller, and SIM/PIM interface
module that can be connected to each communication channel should be 15 or less.
Note
Tracking error occurs if exceeded
The maximum number of indoor units (including
ERV and MCU) that can be connected to each
communication channel is 128.
Must not exceed 15 units per each RS485
communication terminal
Must not exceed 16 units per each RS485
communication terminal
Maximum 8 units can be connected to 1 SIM/PIM.
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