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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Description of the heating engineer settings
18.10.2002
4.145 Maximum value of buffer storage tank sensor
B4
•
Knowledge of the maximum temperature that occurred in the buffer storage tank
Display of the highest temperature acquired with buffer storage tank sensor B4.
Display
Unit
--- / -50...350
°C
The highest temperature acquired with sensor B4 since the last reset will automatically
be displayed on this operating line.
The maximum sensor value can be reset to the current value of B4 by pressing the + / -
buttons simultaneously for 3 seconds.
– – –
No value available
4.146 Display of actual value of return temperature
B73
•
Knowledge of the current return temperature
Display of the return temperature acquired with sensor B73.
Display
Unit
--- / -50...350
°C
The return temperature can be displayed only if a free sensor terminal has been assig-
ned to sensor B73. Otherwise, the display will show "- - -“.
With auxiliary function 1 (return diversion), sensor assignment is to be made on oper-
ating line 142.
– – –
No value available
4.147 Display of setpoint of the buffer storage tank
temperature
•
Knowledge of current setpoint of the buffer storage tank temperature
The slave pointer value is used as the setpoint of the storage tank temperature.
A description of the slave pointer function is given in chapter 6, “General control processes”.
Display
Unit
0…140
°C
To set the setpoint of the buffer storage tank temperature (slave pointer) to the current
heat demand, press the + / - buttons simultaneously for 3 seconds.
Benefit
Description
Setting
Effect
Reset
Special displays
Benefit
Description
Setting
Note
Special displays
Benefit
Description
Setting
Resetting