Operating Action Of The Return Diversion (Zufu1); Storage Tank Sensor For The Return Diversion (Zufu1) - Siemens SIGMAGYR RVP540 Basic Documentation

Description
Setting
Effect
 Notes
Description
Setting
Effect
 Note
Siemens Building Technologies
HVAC Products
4.156 Operating action of the return diversion
(ZuFu1)
Defines if auxiliary function "Return diversion" (ZuFu1) is used for raising or lowering
the return temperature.
Setting range
1...2
Entry:
1 Return diversion is used for lowering the return temperature
2 Return diversion is used for raising the return temperature
For a description of the auxiliary function, refer to operating lines 140 and 141.
The temperature differentials required for activating the function can be set on operat-
ing lines 480 and 481.
4.157 Storage tank sensor for the return diversion
(ZuFu1)
Defines which of the buffer storage tank sensors shall use auxiliary function "Return di-
version" (ZuFu1) for generating the temperature differentials (operating lines 480 and
481).
Setting range
1...3
The temperature differential acquired is that between return sensor B73 and one of the
following selected sensors:
1 Buffer storage tank sensor B4
2 Buffer storage tank sensor B41
3 Buffer storage tank sensor B42
To ensure proper functioning, the sensors must be correctly located.
Basic Documentation RVP540 / RVP550
Description of the heating engineer settings
Unit Factory setting
- 1
Unit Factory setting
- 2
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CE1P2488en
18.10.2002