Weishaupt WCM-EM 2.1, Installation And Operating Instruction

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6.5.38 Set Legionella protection function
WARNING
Danger of scalding by hot water
Water temperatures above 60 °C can lead to serious scalding if they come into con-
tact with the skin.
DHW is heated to the Legionella setpoint temperature on preset days, this thermally
disinfects the water. The Legionella protection function is also carried out in Standby
and during the holiday program.
Solar utilisation
If solar utilisation is activated, the DHW temperature will be monitored for overheating
during the time intervals set.
Once a week solar utilisation must not be selected, if weekly Legionella protection
function is compulsory. It is possible that the interval could be extended by up to
9 days.
In conjunction with a WTC 25-A vers. C this parameter is not displayed.
Setting range
Legionella protec-
tion function
Parameter 605
Solar utilisation
Once a week
Monday
Tuesday
…
Sunday
If, from the 4. day after the last Legionella protection function,
the current Antilegionella setpoint temperature set, the Legion-
ella protection function is carried out by the operation of the
circulation pump. Therefore the next Legionella protection func-
tion is carried out on the day set.
daily If, 12 hours after the time set, the current DHW temperature
exceeds the Antilegionella setpoint temperature, the Legionella
protection function is carried out by the operation of the circu-
lation pump. Therefore the next Legionella protection function
is carried out at the time set.
Installation and operating instruction
Remote control station WCM-FS 2.0 and extension module WCM-EM 2.1
6 Operation
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