Functions (parameters)

Description

RDF4..BN

RDF4..MB

Sensors and changeover functions

  • Heating/cooling changeover via BACnet/Modbus (P02)

Central control of heating / cooling via BACnet/Modbus

✓

✓

  • Automatic heating/cooling changeover via changeover sensor (P60)

Thermostat runs sequences based on water temperature

✓

-

  • Changeover switch (P60/P62)

✓

✓

  • Manual heating/cooling changeover (P02)

Heating / cooling controlled manually by user (via HMI)

✓

✓

  • External temperature sensor (P60)

Temperature measurement with external sensors

✓

-

Presence detector

  • Presence detector (P60/P62)

Switch operating mode

✓

✓

Hotel presence detector

  • Hotel presence detector (P60/P62)

Switch operating mode

✓

✓

User operation / Indication

  • Key lock (P15)

To limit access of unauthorized persons

✓

✓

Preventive operation

  • Avoid damage from moisture (P70)

To prevent moisture damage when guest room is unoccupied

✓

✓

NFC communication (RDF4..BN)

  • NFC (P81)

NFC communication via Siemens smartphone application

✓

-