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Siemens
User Manual
CE1U2357en
Building Technologies
6 The settings in detail
2014-07-30
None
Circulating pump Q4
Electric immersion heater
DHW K6
Collector pump Q5
H1 pump Q15
boiler pump Q1
bypass pump Q12
alarm output K10
2. 2nd pump speed HC1 Q21
2. 2nd pump speed HC2 Q22
2. 2nd pump speed HCP Q23
Heating circuit pump HCP
Q20
H2 pump Q18
5891
Relay output QX2
None
Circulating pump Q4
Electric immersion heater
DHW K6
Collector pump Q5
H1 pump Q15
boiler pump Q1
bypass pump Q12
alarm output K10
2. 2nd pump speed HC1 Q21
2. 2nd pump speed HC2 Q22
2. 2nd pump speed HCP Q23
Heating circuit pump HCP
Q20
H2 pump Q18
Only with RVS53.183
Depending on the selection made, setting of the relay outputs assigns appropriate extra
functions to the basic diagrams. For detailed information, refer to section “Plant
diagrams“.
DHW circulating pump Q4
The connected pump serves as a DHW circulating pump.
Operation of the pump can be scheduled as required on operating page “DHW”,
operating line “Circulating pump release”.
DHW electric immersion heater K6
Using the connected electric immersion heater, the DHW can be heated up according
to operating page “DHW storage tank“, operating line “Electric immersion heater“. DHW
heating mode must be switched on in addition.
The electric immersion heater must be equipped with a safety limit thermostat!
Collector pump Q5
When using a solar collector, a circulating pump for the collector circuit is required.
Pump H1 Q15
Pump H1 can be used for an additional consumer. Together with an external request
for heat at input H1, it is possible to operate an air heater or similar.
Boiler pump Q1
The connected pump is used for circulating the boiler water.
Bypass pump Q12
The connected pump serves as a boiler bypass pump for maintaining the boiler return
temperature.
Alarm output K10