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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Description of the enduser settings
18.10.2002
As soon as the button for manual operation is pressed, the controller’s relays will
per-
manently
be brought to the states given in the table below.
All consumers are switched on, independent of their current demand for heat, and de-
liver a temperature demand signal.
Output
Terminals
Status
Oil- / gas-fired boiler
PPS / LPB
K4 / K5 / K14
TKmax
ON
Boiler pump, bypass pump
Q1 / Q12
ON
Mixing valve for maintained
boiler return temperature
Y7/Y8 OFF
(uncontrolled,
de-energized)
Wood-fired boiler
Q10
ON
Y9 / Y10
OFF
Solar plant
Q5 / K8 / K9 / K12 / Q16 /
K¯8 / Q¯9 / K18 / K¯18
ON
Ux (defined as heat demand)
Ux
TKmax
Heating circuit pump
Q2
ON (uncontrolled)
Heating circuit mixing valve
Y1 / Y2
OFF (uncontrolled,
de-energized)
Circulating pump
Q4
ON (uncontrolled)
D.h.w. diverting valve or charg-
ing pump, d.h.w. transfer pump
Q3/Q13 OFF
D.h.w. diverting valve (inverted) Q¯3
ON
Auxiliary functions 1 / 2 / 3 / 8 / 9
use of residual heat from the
return, partial storage tank
charging, storage tank transfer
pump, alarm output, output
overtemperature protection
Y15 / Y14 / Q11 / K10 /
K11
OFF (uncontrolled)
Overtemperature protection (in-
verted)
K¯11 ON
Partial storage tank charging
and return diversion
Y¯14 / Y¯15
ON
Auxiliary functions 24 + 25
Electric immersion heater d.h.w.
and buffer storage tank
K6 / K16
OFF
Auxiliary functions 6 and 7
System pump / pump H1
Q15/Q14
ON (uncontrolled)
Heat pump
K1 / K2 / K15 /
Q8 / Q9 / Q17
ON
Free time switch program
K13
OFF
Flue gas temperature
K17
OFF
The LED of the button for manual operation is lit, the operating mode LEDs are no
longer lit.
The display of the time switch program extinguishes, but the flashing time pointer with
the time scale remains visible.
Also displayed are the current info value, the relay statuses and the bus status.
Manual operation should only be used temporarily in the event of faults.
Effect
Display
Note