Bosch Compress Hybrid 7000i AW Operation Manual page 14

Operation
Setting the time program for DHW heating
Menu: Time program
Menu item Description
My DHW time Own time program for DHW heating that works
program independently of the time program for the heating
system. 6 switching times can be set for each day or
group of days. One of the operating modes can be
assigned to each switching time in automatic mode.
The minimum duration of a time slot between two
switching times is 15 minutes.
Reset program The time program for the DHW system is reset to the
default setting with this menu item.
Table 7 Time program settings for DHW
Activating extra DHW heating
Menu: Extra DHW
Menu item Description
Start now/ After activation of the extra hot water function, DHW
Switch off now is heated for the set duration to the set temperature.
When the function is active, [Switch off now] is
displayed in the menu. Select this setting for
immediate deactivation of the extra hot water
function.
Temperature Desired DHW temperature for the extra hot water
function.
Duration Duration for the extra hot water function. When the
time has expired, the function automatically
switches off and the system goes back to normal
DHW operation.
Table 8 Settings for the extra hot water function
Thermal desinfection
WARNING
Danger to life from legionella!
Legionella can form in domestic hot water at DHW temperatures that are
too low.
▶ Activate thermal disinfection
-or-
▶ Have daily heat-up set in the service menu by the specialist technician.
▶ Thermal disinfection may be terminated prematurely due to the
system configuration or frequent water extraction. In this case the
control unit issues a fault display. When thermal disinfection is
activated, attention must be paid to ensuring, that this is performed
successfully without a fault display.
▶ Observe the statutory regulations on drinking water.
If the thermal disinfection is set and activated at the heat source, the
settings at the user interface have no effect on the thermal disinfection.
WARNING
Risk of scalding!
If thermal disinfection or the daily heat-up has been activated to avoid
legionella, the DHW is heated once to above 60 °C
(e.g. Tuesday night at 02:00).
▶ Only carry out thermal disinfection/daily heat-up outside the normal
hours of use.
▶ Make sure that a mixer is installed. If in doubt, ask your expert.
14
Menu: Thermal disinfection
Meu item Description
Start The entire DHW volume is only automatically heated
to the set temperature once a week or daily if Auto is
set here.
Start now/ Immediate start or cancellation of thermal
Switch off now disinfection independently of the set day of the
week.
Temperature Temperature of the entire DHW volume during
thermal disinfection.
Day Day of the week, on which thermal disinfection is
automatically carried out once a week, or daily
thermal disinfection.
Time of day Time of day for the automatic start of thermal
disinfection.
Maximum If the thermal disinfection temperature is not
duration reached within the time set here, thermal
disinfection is cancelled. The user interface then
issues a fault in the display.
Table 9 Settings for thermal disinfection
Setting the DHW alternating operation
If DHW alternating operation is not activated, DHW heating has priority
and interrupts the heat requirement of the heating system, if necessary.
Menu: DHW alternating operation
Menu item Description
DHW altern. In the event of simultaneous DHW and heating
oper. on demand, the system will alternate between DHW
heating and heating mode based on the times set in
[Prioritise DHW for] and [Prioritise heating for].
Prioritise DHW Duration of DHW heating.
for
Prioritise heating Duration of heating mode.
for
Table 10 Settings for the DHW alternating operation
Settings for the DHW circulation
Menu: Circulation
Menu item Description
Operating mode • [off]: Circulation is switched off permanently.
• [on]: The pump will run according to the settings under
[Start frequency]. The time program for the DHW
circulation pump is not active.
• The circulation can be linked to the time program for
DHW heating.
• [My circulation time prog.]: Set a time program for the
DHW circulation pump that works independently of the
time program for DHW.
Start frequency The start frequency determines how often the DHW
circulation pump goes into operation for three minutes at a
time every hour (1 x 3 minutes/h ... 6 x 3 minutes/h) or if it
is constantly in operation. Whatever the case, circulation is
only active during the times set in the time program.
My circulation time 6 switching times can be set for each day or group of days.
prog. The DHW circulation pump can be switched on or off at
each switching time. The minimum duration of a time slot
between two switching times is 15 minutes.
Reset program The time program is reset to factory default.
Table 11 Settings for the circulation
Compress Hybrid 7000i AW – 6721833054 (2020/09)