ONICON System-30 MODBUS BTU - Manual (Page 15)

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System-30 BTU Measurement System MODBUS RTU RS485 04/14 - 0583-1 / 18345
Page 15
Temperature Sensor/ Mode of Operation Relationship with Meter in Return Line
Supply Temp Temperature 2 (External Sensor)
Return Temp Temperature 1 (Internal Sensor)
Mode 1 Total Cooling (Supply Temp < Return Temp)
Mode 2 Total Heating (Supply Temp > Return Temp)
CONTROL SYSTEM
MODBUS RTU
NETWORK
NORMALLY CLOSED