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Input Sensor Bx1,2; Input H1 / H2 - Siemens Albatros2 RVS46 User Manual

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Input sensor BX1,2

Input H1 / H2

Function of input H1 / H2
74/100
Siemens Schweiz AG
HVAC Products
• Time program
For heating circuit P, only time program 3/HCP is available. For more detailed
information, refer to section "Time program".
H2 pump Q18
Pump H2 can be used for an additional consumer. Together with an external demand
for heat at input H1, it is possible to serve an air heater or similar.
system pump Q14
The connected pump serves as a system pump for supplying heat to other consumers.
The system pump is put into operation as soon as one of the consumers calls for heat.
If there is no demand for heat, the pump will be deactivated followed by overrun.
Line no.
Operating line
5930
Sensor input BX1, BX2, BX 21, BX22
5931
None
DHW sensor B31
6040
Collector sensor B6
6041
DHW circulation sensor B39
Depending on the selection made, setting of the sensor input assigns appropriate extra
functions to the basic diagrams. For detailed information, refer to section "Plant
diagrams".
Line no.
Operating line
5950
Function input H1
Optg mode change HCs+DHW
Optg mode changeover HCs
Optg mode changeover HC1
Optg mode changeover HC2
Optg mode changeover HCP
Error/alarm message
Minimum flow temperature
setpoint
Excess heat discharge
5951
contact type input H1
Normally closed contact (NC)
NO contact
5952
Min flow temp setpoint H1
5960
Function input H2
Optg mode change HCs+DHW
Optg mode changeover HCs
Optg mode changeover HC1
Optg mode changeover HC2
Optg mode changeover HCP
Error/alarm message
Minimum flow temperature
setpoint
Excess heat discharge
5961
Contact type H2
Normally closed contact (NC)
NO contact
5962
Min flow temp setpoint H2
Changeover of operating mode
• heating circuit
The operating modes of the heating circuits are switched to Protection mode via
terminals H1/H2 (e.g. using a remote telephone switch).
• Domestic hot water
DHW heating is locked only when using setting 1: HCs+DHW.
User Manual
The settings in detail
CE1U2353en
22. November 2006

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