Cosmo CFWME Montage- Und Bedienungsanleitung Seite 119

9. OPTIONAL FUNCTIONS
T
dV
Secondary circuit (CFWME)
T
dV
Secondary circuit (CFWMEXL)
In this menu, optional functions can be selected and adjusted.
Circulation
Main menu / Opt. functions / Circulation
Adjustment
Description
channel
Circulation
Type Variant
Timer Timer option
Ton Switch-on temperature
Switch-off temperature diffe-
DToff
rence
Runtime Circulation pump runtime
Break time Circulation pump break time
Offset Circulation pump offset
Start offset? Starting the offset
End offset? Ending the offset
Indication of the temperature
DT pipe drop between the hot water
sensor and the return sensor
Indication of the flow rate value
Fl.rate
stored
back
Running an offset:
NOTE:
No draw-off may be carried out during the offset. All ball valves of the station must be
fully opened (normal position).
The offset has to be run only once, e.g. during commissioning.
S3
Î In order to run an offset, select the parameter Offset, see page 72.
R2
The Circulation function can be used for controlling a circulation pump.
For the control logic, 5 variants are available:
• Thermal + Demand
• Demand
• Thermal
• Duration
• Off
NOTE
For all circulation types, the circulation sensor S3 is required.
S3
R2
Activation of the function
Adjustment range /
Factory setting
selection
Yes, No No
Therm+Dem., Demand,
Duration
Thermal, Duration
Yes, No No
10 ... 62 °C 55 °C
2 ... 10 K 3 K
0 ... 60 min 5 min
0 ... 60 min 5 min
- -
- -
- -
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