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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Handling
18.10.2002
Line Function
Range
Unit
Resolution Factory
setting
485 Selection of control sensor for electric immersion heater
buffer storage tank
0
Common flow sensor B10
1
Buffer storage tank sensor B4
0 / 1
–
1
1
Overtemperature protection
489 Difference between maximum storage tank temperature
(MSP) and buffer storage tank safety temperature
1...50 K 1
5
490 Hysteresis for buffer storage tank cooling function with
priority 1
1...20 °C 1
5
491 Priority buffer storage tank cooling with transfer pump
---
Function OFF
1 priority
1
2 priority
2
--- / 1...2
–
1
- - -
492 Priority buffer storage tank cooling with collector pump
---
Function OFF
1 priority
1
2 priority
2
--- / 1...2
–
1
- - -
493 Priority buffer storage tank cooling with heat source pump
---
Function OFF
1 priority
1
2 priority
2
--- / 1...2
–
1
- - -
494 Priority buffer storage tank cooling with overtemperature
protection output
---
Function OFF
1 priority
1
2 priority
2
--- / 1...2
–
1
- - -
495 Priority buffer storage tank cooling by delivering heat for
space heating
---
Function OFF
1 priority
1
2 priority
2
--- / 1...2
–
1
- - -
D.h.w. storage tank
Functions
520 D.h.w. heating with electric immersion heater K6
1
For storage tank frost protection
2
Only in summer operation
3 Always
1...3 –
1
2
521 Recharge control of the d.h.w. storage tank
0
With sensor B3 (switching differential)
1
With sensor B3 and B31 (start / stop)
2
D.h.w. heating with setting 0, legionella function like setting 1
0...2 –
1
0
522 Minimum d.h.w. storage tank temperature level when
charging with the collector (TBmin)
0…line 523
°C
1
0
523 Maximum d.h.w. storage tank charging temperature
Line 522...
Line 500
EXP
°C 1 80
Heat transfer to the d.h.w. storage tank
530 Heat transfer with the d.h.w. sensor
0 With
sensor
B3
1 With
sensor
B31
0 / 1
–
1
0
531 Automatic transfer from the buffer to the d.h.w. storage
tank
---
Function OFF
1 With
Q3
2 With
Q11
--- / 1...2
–
1
1
532 Transfer strategy in the summer
0
For frost protection only
1
According to d.h.w. release
2 Always
0...2 –
1
2
533 Transfer strategy in the winter
0
For frost protection only
1
According to d.h.w. heating
2 Always
0...2 –
1
2
534 Temperature differential ON transfer
Line 535…40
°C
1
6
535 Temperature differential OFF transfer
0…line 534
°C
1
4