Buffer Storage Tank; Output Relay Qx - Siemens RVS41.813 User Manual

Buffer storage tank

Output relay QX

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HVAC Products
Line no. Operating line
5870 combi storage tank
No ¦ Yes
If, hydraulically, a combi storage tank is used, a partial diagram "Buffer" and partial
diagram "DHW" become active in the device software. This means that with the combi
storage tank, the functions are performed the same way as if buffer storage tank and
DHW storage tank were separate.
Exceptions:
The DHW request is always forwarded to the buffer storage tank, independent of the
setting for DHW storage tank with buffer. The DHW pump Q3 only starts when the
buffer sensor is also under the setpoint DHW – switching differential.
During the transfer, the DHW controlling element (Q3) will not be switched on. The
system allows a certain waiting time until the temperature levels are nearly the same.
The use of relay outputs 1 to 6 can be individually selected.
Line no. Operating line
5890 Relay output QX1, QX2, QX3, QX4, QX5, QX6
5891 None
Compressor stage 2 K2
5892
Process revers valve Y22
5894
Hot-gas temp K31
5895
El imm heater 1 flow K25
5896 El imm heater 2 flow K26
Diverting valve cool strat2 Y28
System pump Q14
Cascade pump Q25
Heat generator shutoff valve Y4
Electric immersion heater DHW K6
Circulating pump Q4
Storage tank transfer pump Q11
DHW intermediate circuit pump Q33
DHW mixing pump Q35
Collector pump Q5
Collector pump 2 Q16
Solar pump external exchanger K9
Solar controlling element buffer K8
Solar controlling element swimming pool K18
Electrical immersion heater buffer K16
H1 pump Q15
H2 pump Q18
H3 pump Q19
Heat circ pump HCP Q20
2. 2nd pump speed HC1 Q21
2. 2nd pump speed HC2 Q22
2. 2nd pump speed HCP Q23
Diverting valve cooling Y21
Air dehumidifier K29
Heat request K27
Refrigeration request K28
Alarm output K10
Time program 5 K13
User manual RVS61.843, RVS41.813
6 The settings in detail
CE1U2355en_02
28. September 2009