185/348
Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Description of the heating engineer settings
18.10.2002
Buffer storage tank
Setpoints / actual values
4.144 Actual values of buffer storage tank
temperature sensors B4, B41, B42 and B43
•
Overview of storage tank’s charging state
The current buffer storage tank temperature at the relevant sensor will automatically be
displayed on this operating line.
Display
Unit
--- / -50...350
°C
Actual value B4 of the buffer storage tank temperature at the top.
Actual value B41 of the buffer storage tank temperature at the bottom.
Actual value B42 of the buffer storage tank temperature at the center.
This sensor is used for auxiliary function 11 (operating line 156).
Actual value B43 of the buffer storage tank temperature for partial charging.
This sensor is used for auxiliary function 2 (partial charging, operating lines 143 through
145).
– – –
No value available
B4
B41
Sp 2
ZuFu 2
Y14
B43
23
93
Z
1
4
0
1
B42
ZuFu 11
If the 2 auxiliary functions ZuFu2 and ZuFu11 are used at the same time and make use
of the same sensor, the sensor must be connected in parallel to both terminals. Natu-
rally, the display of B42 and B43 will then be identical.
Benefit
Description
Setting
Special displays
Location of sensors
Note
