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Benefit
Description
Setting
Assignment
Effect
Application example
102/348
Siemens Building Technologies
HVAC Products
4.28 Flue gas temperature sensor B8 (ZuFu10)
• Knowledge of the flue gas temperature
• Measuring sensor for the flue gas temperature function
Activation of this function makes possible flue gas temperature measurements.
Setting range
--- / 101...109
The auxiliary function is activated as soon as flue gas sensor B8 is assigned to a free
terminal:
101...109
Flue gas sensor B8 can be assigned to a free sensor terminal be-
tween B101 and B109.
---
No assignment made and the flue gas temperature sensor is not acti-
vated.
The activated flue gas sensor makes possible the display of the current flue gas tem-
perature (operating line 222) and of the maximum value of the flue gas temperature
(operating line 223).
In addition, via operating line 154, a relay can be defined for the flue gas temperature
sensor function, which is energized and deenergized when the respective switch-on
and switch-off temperature is reached (operating lines 225 and 226).
If the temperature measured exceeds the maximum limitation of the flue gas tempera-
ture (operating line 224), an error message will be delivered.
The flue gas temperature sensor can be integrated into the plant diagram as follows:
Example:
OeG 3
ZuFu 10
B8/K17
B2
K4/K5
B7
Q1
Y7/Y8
Basic Documentation RVP540 / RVP550
Description of the heating engineer settings
Unit
Factory setting
B8
---
CE1P2488en
18.10.2002
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