Hardware
Terminal Description
L Supply voltage
N Supply voltage
FAN1 230 V AC Relay 1
FAN2 230 V AC Relay 2
FAN3 230 V AC Relay 3
Heat 230 V AC Relay 4
Cool 230 V AC Relay 5
GND GND (for DI)
DI Digital input for presence detection, hotel key card etc
Temp Analogue input for external PT1000 sensor, change-over
GND Agnd for terminal Temp
Serial communication port, Com N
A Serial communication port, Com A
B Serial communication port, Com B
20 RCFD-230C manual, Rev. A