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Cosmo CFWME Montage- Und Bedienungsanleitung Seite 121

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9. OPTIONAL FUNCTIONS
Î Complete the offset by pressing the right button (✓).
Disinfection
Main menu / Opt. functions / Disinfection
Adjustment
Description
channel
Disinfection
Activation of the function
Start?
Manual start of the disin-
fection
Set temp.
Set temperature for the
disinfection
Runtime
Runtime of the disinfection
function
Duration
Duration of the disinfection
Hysteresis
Hysteresis for the disinfec-
tion
Overrun
Overrun time of the pump
Time
Time for the automatic start
of the disinfection
Monday ... Sunday Submenu for selecting the
days for the automatic start
of the disinfection
back
This function helps to contain the spread of Legionella in hot water and circulation pipes in the
secondary circuit of the heat exchanger. The Disinfection function starts automatically, if the
adjusted Time at the adjusted day is reached.
The function can also be started manually via the menu item Start?.
If the disinfection starts, the circulation pump switches on.
The circulation pump remains active for the adjustable Runtime.
During disinfection, the speed of the primary pump is controlled so that the adjustable Set tem-
perature is maintained at the hot water sensor. The progress of the disinfection is indicated in
% in the status menu.
The disinfection is considered successfully completed, if during the adjusted Runtime the
temperature at the return sensor has continuously exceeded the value Set temperature-
Hysteresis for the entire adjusted Duration. The date of the last disinfection is indicated in
the status menu.
After disinfection has ended, the circulation pump remains switched on for the adjusted Over-
run time. When the disinfection function is active, it can be cancelled by means of the menu
item Cancel? at any time.
Scald danger!
WARNING!
Scalding may occur if the set temperature is adjusted to a value higher than
60 °C.
Î Make sure that no water is drawn off by non-professionals during disin-
fection.
NOTE:
While the disinfection is active, a sufficiently high store temperature must be ensured.
Î Make sure the store is sufficiently heated before disinfection begins.
NOTE:
In cascade operation, the progress is divided among the individual stations, beginning
with the numerically smallest. Only if all stations available have run the disinfection, will
the disinfection process be considered successfully completed.
Adjustment range /
Factory setting
selection
Yes, No
No
60 ... 75 °C
60 °C
30 ... 240 min
60 Min
1 ... 240 min
5 Min
1 ... 5 K
5 K
1 ... 60 min
10 min
01:00 ... 23:00
01:00
Monday ... Sunday
all
73

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