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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Description of heating engineer settings 26.03.2001
Configuration of plant
4.30 Pump function output K6
Use of the pump for different types of plant.
This parameter defines the function provided by the circulating pump connected to
terminal K6.
Setting of this function has an impact on automatic generation of the type of plant. The
different parameters that have an impact on the operation of the pumps are given in
chapter "Overview of pump operation".
Setting range Unit Factory setting
0...11 – 0
The pump provides one of the following functions, depending on the setting made:
0 No function
1 Heating circuit pump 2
2 System pump for heating circuits only
(located after the d.h.w. storage tank).
3 System pump for the heating circuits and for d.h.w. (located before the d.h.w.
storage tank).
4 System pump with external demand for heat
5 D.h.w. circulating pump
6 Electric immersion heater for d.h.w.
7 Solar pump
8 Pump H1
9 Boiler pump
10 Boiler bypass pump
11 Alarm signal
Pump overrun is active with all settings, with the exception of settings 5 and 7. The
pump has an overrun time of 1 minute which, in the case of overtemperature protection,
is extended by the setting “Pump overrun”.
With the cascade “2 times single-stage”, this setting line is inactive since in this
application K6 is controlled fix as the boiler pump.
Benefit
Description
Note
Setting
Effect
Note
Important
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