Siemens AVS75.390 - Solar

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Siemens Switzerland Ltd
User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
6.14 Solar
Summary
2358A26
B31
B3
B4
B41
B6
Q5
B61
Q16
K8
1
0
K18
1
0
B13
When sufficient solar energy is available, it can be used to heat the swimming pool and
to charge the DHW and buffer storage tank. Priorities for heating or charging can be
selected. The pumps can be speed-controlled. The plant is protected against frost and
overtemperatures.
Charging controller solar (dT)
Line no. Operating line
3810 Temp diff on
3811 Temp diff off
3812 Charg temp min DHW st tank
3815 Charging temp min buffer
3818 Charging temp min swi pool
To charge the storage tank / heat the swimming pool via the heat exchanger, an
adequate temperature differential between collector and buffer storage tank or
swimming pool, is required. In addition, the collector temperature must lie above the
minimum charging temperature for the storage tank / swimming pool.
T
t
TSp
Tkol
SdEin
SdAus
On
OFF
2358Z12
TLmin
Tkol Collector temp
On / Off Collector pump
SdOn Temperature differential on
SdOff Temperature differential off
TSp Storage tank temperature
TLmin Charging temp min DHW storage tank / buffer / swimming pool