Page 21 - Fan Coil Unit

>> RF wireless communication system configuration

Communicate with the FCU's RF modem using the RF remote control (wireless)
447 MHz 447 MHz 447 MHz 447 MHz 447 MHz

Internal Internal Internal Internal
Communication Communication Communication Communication
RS485 RS485 RS485 RS485
RF Remote Control FCU0 FCU1 FCU2 FCU15

Wireless communication between the RF remote control and master FCU's RF modem, while RS485 wired communication with the slave FCU (wireless + wired)
447 MHz 447 MHz

Internal Internal Communication RS485
Communication
Internal Communication
RS485
RF Remote Control FCU0 FCU2 FCU3 FCU15
RF GATEWAY (Wireless connection for the entire system)

Group 0 Group 31 424 MHz

External External
Communication Communication
RS485 RS485
FCU0 FCU15 FCU0 FCU15
Internal Internal Internal Internal
Communication Communication Communication Communication
RS485 RS485 RS485 RS485
447 MHz 447 MHz 447 MHz 447 MHz
RF Remote Control RF Remote Control
SERVER GATWAY (MCU)
424 MHz 424 MHz 424 MHz 32 groups
RS485 RS485 RS485

RF GATEWAY (Combined wired and wireless connection)

Group 0 424 MHz Group 31 424 MHz

External External
Communication Communication
External Communication
RS485 RS485
FCU0 FCU15 FCU0 FCU15
Internal Internal Internal Internal
Communication Communication Communication Communication
RS485 RS485 RS485 RS485
447 MHz 447 MHz 447 MHz 447 MHz
RF Remote Control RF RF RF Remote Control RF RF
Modem Modem Modem Modem
SERVER GATWAY(MCU0) GATWAY(MCU15)
424 MHz 32 groups 424 MHz 32 groups
RS485 RS485
RS485

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