Thermal Disinfection - Bosch HPC 400 Installation Instructions For Contractors

@)
BOSCH Service menu
.
.
-
.
As hot water system
I
Activate the same time program for circulation as for DHW heating. Further information and settings of the
I
customised time program
(~
user interface operating instructions) .
Own time program Activate customised time program for circulation. Further information and settings of the customised time
I I
program
(~
user interface operating instructions) .
Start frequency DHW circ.
l )
I lf the DHW circulation pump is active via the time program for the DHW circulation pump or if it is permanently
I
switched on (DHW circulation pump operating mode: On) . this affects the settings for the DHW circulation
11 x 3 minutes/h ...
I
pump operation.
I
The DHW circulation pump goes into operation once ... 6 times per hour for 3 minutes. The default setting
6 x 3 minutes/h
,
depends on the installed heat source.
Permanently The DHW circulation pump is in permanent operation.
Thermal disinfection
I
Yes Thermal disinfection always starts automatically at the same time (e.g. on Mondays at 2:00.
~
Chapter 6.4.1 .
----t
page 25)
-
- -
- -
- -
- - - - - -
No The thermal disinfection is not started automatically.
Therm. disinfection day
I
Monday ... Tuesday ... The day on which thermal disinfection is performed.
Sunday
Daily
~ Thermal disinfection is performed daily.
- - - c - - - - - -
----
- - - - - - - -
-
- -
Therm. disinfection time 00:00 ... 02:00 Time of day for the start of thermal disinfection atthe set day.
-1
... 23:45
-:-:-
- -
- -
-
- - - - - - - - - - - - -
Max. period 60 min ... 240 min Maximum duration of thermal disinfection. The adjustment range depends on the installed heat pump.
Extra DHW temperature 50 ... 70 °C Switch-off temperature for extra DHW.
i
Daily heat-up Yes The entireDHW volume is automatically heated up daily at the same time to 60 °C.
- -
I-
- - - - - - - - - -
INo
No daily heat-up.
Daily heat-up time
1
00:00 ... 02:00
Time for the start of the daily heat-up to 60 °C.
... 23:45
DHW alternating operation I lf a simultaneous heat requirements from the heating system and the DHW system are present. the heat pump
I
can alternatingly supply the heating system and DHW
( ~
Chapter 6.4.2. page 26) .
HC pump on at DHW running
Yes
-+
All heating pumps are running when DHW heating is active.
INO -
- -
- -
- - -
---
The heating pumps do not run when DHW heating is active.
Table 31 Settings in the DHW menu
1) Not available if Sweden or Finland is set as the country. the DHW circulation pump is always on if installed
6.4.1 Thermal disinfection
WARNING: Risk of scalding!
During thermal disinfection. the domestic hot water is
heated to above 60
a c.
~
Only carry out thermal disinfection outside normal
hours of use.
~
Inform all parties concerned and make sure that at
mixing device 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
(-7 regulation on drinking water) for 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.
- 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.
• No: The thermal disinfection is not started automatically. It is
possible to manually start and cancel thermal disinfection.
- - - j
HPC 400
~
6 720821
r
72 12011 O?)
25