Bosch HPC 400 - DHW Settings

Service menu
@ BOSCH
Menu item Adjustment range
d es cr iption
Screed dry . H. ci rc . 1 .. .
Yes
Screed dry i ng in the selected heating ci rcuit is act i ve/not active
Screed dry . H. circ . 4
No
Start
I
Yes
Start screed drying now
I
No
Screed drying not yet started or terminated
----
Interrupt !
Yes
Temporar i ly stop screed drying . If the max i mum interruption duration has been exceeded , a fault display is
No
output.
-::- ----
--
Cont i nue Yes
Continue screed dry i ng after stop.
I No
Table 30 Setting in the Screed drying menu (Fig . 13 shows the default setting of the screed drying program)
30 ~~- ~-+ -+-+~-
20 <-=t----r----r--+--+-+---r-+__
o 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
6720 815 238 -1 8.10
Fig . 13 Screed drying process with default settings
t Time
6.4 DHW settings
~
i~
IIHW ')('lTlfll~S
!
DH W system
i On
DHW
>
DH W reduced
>
DH W circulation p ump
i on
II
start frequen cy DHW eirc.
i 3/h
6 720 811 136-503. 20
Fig. 14 DHW settings menu
The settings for the DHW system can be adapted in this menu _ For
example , here you can set the DHW temperature ranges for the various
operating modes or whether there is circulation in the DHW system. The
day and time for thermal disinfection are also set here .
DHW heat pump 1
(DHW heat pump 2)
Off
On
TCxFlow temperature of heating circuit x (identical to system flow tem -
perature TO if only one heating circuit is installed)
[]
The DHW system is activated by default when delivered .
If
no DHW system is installed, but one is activated , the
user interface indicates a fault.
~ If no DHW system is installed in the system ,
deactivate DHW system I in the Commissioning or
DHWmenu .
11
WARNING: Risk of scalding!
I The DHW temperature can be set above 60°C and ,
•
during thermal disinfection , the DHW is heated to above
60 °C.
~ Inform all people concerned and make sure that a
mixing device is i nstalled .
DHW e.g. 15 ... 60·C ... 65 ·C ON temperature and OFF temperature for the DHW operating mode ; the adjustment range depends on the
installed heat source .
DHWreduced e. g. 15 . .. 45 ... 60 ·C ON temperature and OFF temperature for the DHW reduced operating mode ; the adjustment range depends
on the i nstalled heat source .
DHW circulation pump
On I If the OHW circulation pump is to be controlled by the heat source , the DHW circulation pump must be activated
here as well. The default sett i ng depends on the i nstalled heat source .
I- Off
The DHW circulation pump cannot be controlled by the heat source .
Table 31 Settings in the DHW menu
24 HPC 1\00 - 6 720821772 (2017/07)