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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Summary
18.10.2002
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Protective boiler startup (acting on the consumers)
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Minimum limitation of the boiler return temperature (acting on the mixing valve, by-
pass pump and / or consumers)
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Protection against boiler overtemperature (pump overrun)
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Adjustable minimum and maximum limitation of the boiler temperature
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Cycling protection for heat generation
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Frost protection for the building and the plant
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Frost protection for the boiler and the d.h.w. storage tank connected directly to the
controller
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Pump protection through periodic pump kick
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Overtemperature protection for the pump heating circuit
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Overtemperature protection for the storage tanks and the collector circuit
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Room temperature adjustment with setpoint knob
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Automatic button for efficient automatic operation throughout the year
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Operating
mode
buttons
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Button for green mode
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Info button for additional information about the plant values
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D.h.w.
button
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Manual operation via manual operation button
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7-day or 24-hour program for the heating circuit and d.h.w. heating
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Remote operation via digital room unit
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Output and input tests to aid commissioning and functional checks
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Change of operating mode via a remote switch (via contact H1)
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Service connection facility for local parameter settings and data logging
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Holiday
program
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D.h.w. heating with charging pump
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D.h.w. control with temperature sensor or control thermostat
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Selectable priority for d.h.w. heating
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Selectable d.h.w. heating program
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Adjustable boost of the d.h.w. charging temperature
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Reduced setpoint of the d.h.w. temperature
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Protection against discharging of d.h.w.
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Automatic d.h.w. push
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Legionella
function
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Storage tank charge transfer with pump
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Manual
d.h.w.
push
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Communication via the Local Process Bus (LPB)
•
Communicating via PPS (BMU / room unit)
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Controllers of other manufacture can deliver their heat demand signal by closing
potential-free contact H1
•
Controllers of other manufacture can deliver their analog heat demand by using
DC 0...10 V signals
•
Integrity of system architecture with all RVP... controllers
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Can be extended to include 40 heating circuits (with central bus power supply)
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Optional remote supervision
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Error messages (own faults, faults of LPB devices, faults of PPS devices)
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Logging the individual burner operating hours
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Logging the number of burner starts
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Logging the number of device operating hours
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Logging the number of pump operating hours
Protection for the plant
Operation
D.h.w.
Use in extensive
systems
Logging
