Siemens RVA63.280 Basic Documentation page 9

Operation
D.h.w.
1
Systems
Logging
Siemens Building Technologies
Landis & Staefa Division
• Two 7-day heating programs
−
7-day heating program no. 1 for heating circuit 1
−
7-day heating program no. 2 for heating circuit 2
−
Separate 7-day heating program for d.h.w. heating
• Temperature adjustment with the setpoint knob
• Automatic button for efficient operation throughout the year
• Chimney sweep function at the touch of a button
• Manual operation at the touch of a button
• Straightforward selection of operating mode via buttons
• Change of operating mode with contact H
• Output and input tests to assist commissioning and a functional test
• Service connection facility for local parameter settings and data logging
• D.h.w. heating with a charging pump or diverting valve
• D.h.w. heating with one or 2 sensors
• Reduced setpoint of d.h.w. temperature
• Selectable d.h.w. program
• Integrated legionella function
• Selectable priority for d.h.w. heating
• Adjustable boost of the d.h.w. charging temperature
• Automatic d.h.w. push
• D.h.w. demand with a sensor or thermostat
• Protection against discharging
• Communicating via Local Process Bus (LPB)
• Communicating via point-to-point interface (PPS)
• Integrity of system architecture with all RVA... controllers
• Can be extended to include up to 40 heating circuits (with central bus power supply)
1)
• Optional remote supervision
• Fault status signals and indications (locally, LPB and PPS)
• Controllers of other manufacture can deliver their heat demand signal via potential-
free H-contact
• Controllers of other manufacture can deliver their heat demand in the form of DC
0...10 signals
• Analysis with service tool
• Logging the number of burner hours run of stages 1 and 2
• Logging the number of burner starts of stages 1 and 2
• Logging the flue gas temperature
• Display of plant diagram no.
Basic Dokumentation RVA63.280, RVA53.280
1)
1)
1)
1)
1
Not with RVA53.280
9/184
CE1P2374E
19.04.2001