Bosch CR 400 Installation Instructions For Contractors page 43

Menu item Adjustment range Description
Automat. therm. Yes
disinfect.
No
Therm. disinfection Monday ...
day Tuesday ... Sunday
Daily
Therm. disinfection 00:00 ...
time 02:00 ... 23:45
Therm. disinfection e.g. 65 ...
temp. 75 ... 80 °C
Start now manually
/ Cancel now
manually
Daily heat-up Yes
No
Daily heat-up temp. 60 ... 80 °C
Daily heat-up time 00:00 ...
02:00 ... 23:45
Table 19 Settings in the DHW system I ... II
Thermal disinfection
WARNING: Risk of scalding!
During thermal disinfection, the domestic hot
water is heated to above 60 °C.
▶ Only carry out thermal disinfection
outside normal hours of use.
▶ Inform all parties concerned and make
sure that at mixer is installed.
Perform thermal disinfection to kill off pathogens (e.g.
legionella) on a regular basis. For larger DHW systems, there
may be legal requirements (
thermal disinfection. Observe the instructions in the technical
documentation of the heat source.
• Yes:
– The entire DHW volume is heated to the set
temperature once a week or once a day if according to
the setting.
– The thermal disinfection starts automatically at the set
time according to the time set in the user interface.
– It is possible to cancel and to manually start the thermal
disinfection.
CR 400 | CW 400 | CW 800
The thermal disinfection is started automatically at the set time (e.g. on Mondays at
02:00 a.m.,
The thermal disinfection is not started automatically.
The weekday on which thermal disinfection is performed.
Thermal disinfection is performed daily.
Time of day for the start of thermal disinfection at the set day.
Temperature to which the entire DHW volume is heated during thermal disinfection.
The adjustment range depends on the installed heat source.
Starts the thermal disinfection manually/cancels the thermal disinfection.
The daily heat-up is only available for DHW heating with MM 100/MM 200 module or
EMS 2 heat source. The entire DHW volume is automatically heated up daily at the
same time to the temperature that has been set via Daily heat-up temp.. The heat-up is
not performed if within 12 h before the set time the DHW volume was already heated
up at least once to the set temperature (e.g. due to solar yield).
No daily heat-up.
Temperature to which the DHW volume is heated up during the daily heat-up.
Time for the start of the daily heat-up.
regulation on drinking water) for
Thermal disinfection, page 43)
• No: The thermal disinfection is not started automatically. It
is possible to manually start the thermal disinfection.
Service menu | 43
6 720 820 872 (2016/12)