14/94
Siemens Building Technologies Basic Documentation RVD110, RVD130 CE1P2381E
HVAC Products 2 Use 27.05.2004
• Common or separate heat exchangers for the heating circuit and d.h.w. heating
• Own 7-day switching program for the release of d.h.w. heating and the circulating
pump
• Idle heat function in case of instantaneous d.h.w. heating connected to a parallel
heat exchanger
• Legionella function
• Forced d.h.w. charging
• Frost protection for the d.h.w.
• Selectable priority: Absolute, shifting, or parallel
• Manual charging outside the time program
• Maximum limitation of the d.h.w. return temperature
• Maximum limitation of the return temperature differential (DRT limitation)
The RVD110 cannot perform all functions listed above.
2.6 Auxiliary functions
The RVD110 / RVD130 are used if one or several of the following auxiliary functions is /
are required:
• Periodic pump run
• Pump overrun
• Display of parameters, actual values, operating state and fault status messages
• Remote operation via room unit
• Service functions
• Pulse lock for the actuators
Note