DHW controlling element Q3
DHW charging pump or diverting valve, depending on the hydraulic system in use.
Source pump Q8 / fan K19
Source pump for brine-to-water or water-to-water heat pumps.
Fan for air-to-water heat pumps.
Condenser pump Q9
The relay is used for control of the condenser pump.
Compressor stage 1 K1
The relay is used for control of the first compressor stage.
Supplementary source control K32
Relay for control of the supplementary source.
Function output QX4-Mod
This setting determines the pump to be modulated.
Modulation is effected via a triac (full-wave control).
Only RVS61..
Line no.
Operating line
5909
Function output QX4-Mod
None
Source pump Q8 / fan K19
DHW pump Q3
DHW interm circ pump Q33
Instant DHW heater Q34
Collector pump Q5
Collector pump 2 Q16
Solar pump buffer K8
Solar pump external exchanger K9
Solar pump swi pool K18
Heating circuit pump HC1 Q2
Heat circuit pump HC2 Q6
Heat circuit pump HCP Q20
Observance of the minimum and maximum loads according to the technical data is
mandatory. Settings on parameter 5909 take priority over settings on parameter 5894.
Sensor input BX1, BX2, BX3, BX4, BX5
Only RVS61..
Line no.
Operating line
5930,
5931,
5932,
5933,
5934
Sensor input BX1, BX2, BX3, BX4, BX5
None
Buffer sensor B4
Buffer sensor B41
Collector sensor B6
DHW sensor B31
Hot-gas sensor B82
Refrigerant sensor liquid B83
DHW charging sensor B36
DHW outlet sensor B38
DHW circulation sensor B39
Swimming pool sensor B13
Collector sensor 2 B61
Solar flow sensor B63
Solar return sensor B64
Buffer sensor B42
Common flow sensor B10
Cascade return sensor B70
Solar temp sensor 1
Solar temp sensor 2
179/258
Siemens Switzerland Ltd
User manual RVS61.843, RVS41.813
CE1U2355en_02
HVAC Products
6 The settings in detail
28. September 2009