Electric Booster Heater Settings; Settings For An Auxiliary Heater With Mixing Valve - Bosch HPC 400 Installation Instructions For Contractors

Service menu
6.2.2 Electric booster heater settings
Settings for an electric booster heater can be made in this menu. This
menu is only available if an electric booster heater has been set as an
additional heat source in the general settings for auxiliary heaters menu.
The maximum power output of the electric booster heater is 15 kW.
BOSCH
3'stage The output for the electric booster heater can be set by the controller to 3 levels between 0 kW and the output of the
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electric booster heater.
4'stage The output for the electric booster heater can be set by the controller to 4 levels between 0 kW and the output of the
electric booster heater.
The output for the electric booster heater is limited to 1.0 kW.
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Reduced 2.0 The output for the electric booster heater is limited to 2.0 kW.
[
dd. el. heaterop. mode
2
)
Reduced 1.0
Reduced 3.0 The output for the electric booster heater is limited to 3.0 kW.
~--------~----------------~--------------~----------------------~
~tep
_ _ _ The output for t _ h_ e_ el _ ec _ tric booster hea _ t_ e r_ is
n~t.!!mite_ d .__
_ _ _
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Limit comp o output 0 ... 15 kW The maximum output of the auxiliary heater is limited to the value set here during compressor operation (1.5 12131 j l
, 414.51619112115kW).
Limit add. heater output 0 ... 15 kW
The maximum output of the auxiliary heater is limited to the value set here if the compressor is not running(1.5 12
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31414.51619 112115 kW).
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Limit DHW mode output
o ...
15 kW
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The maximum output of the auxiliary heater for DHW heating is limited to the value set here (1.5 12 13 14 14.5 16
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9112115 kW). This value is always limited by the maximum output of the auxiliary heater with or without the
compressor running set under Limit add. heater output and Limit DHW mode output.
·20 ... 20°C
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If the outside temperature falls below the value set here, the electric booster heater can start operation.
~valence
poin
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_ _ _ _ ___ __ ___ _ _ _ _ _ _ _ _
Table 22 Electric additional heater settings
1) Not available if Sweden is setas the country.
2) Only available for liquid/water (L/W) heat pumps and if Sweden
is
set as the country.
3) Not available if Germany is set as the country.
4) Only available if Germany is set as the country.
6.2.3 Settings for an auxiliary heater with mixing valve
Settings for an auxiliary heater with mixing valve can be made in this
menu. This menu is only available if an auxiliary heater with mixing valve
has been set as an additional heat source in the general settings,for
auxiliary heaters menu.
Menu item Adjustment range description
Mixed add. heat. interface
On/Off
0-10V
Delay time for mixer 0 ... 120 min
'-- - - f--- - - -
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Mixer runtime 1 ... 300 ... 6000s
The auxiliary heater with mixing valve can only be switched on or off. The flow temperature is controlled by
the mixing valve.
The auxiliary heater is power-controlled by the controller via a 0·10 V signal. Usually, there is no mixing
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valve installed.
1---
Mixing valve startup delayed until auxiliary heater has heated up.
Time for opening or closing the mixing valve.
Alarm input logic Open contact
1
An open contact at the alarm input switches the alarm on.
L __
f-, C ".. lo - s- e d -:- c - o;... nt - a- c t----~-+-----=.-=.----A - cl..;. os - e- d - co - n- ta - c- t a
- t-: th -e -a -:- Ia-rm - in'- pu -t-sw - i - tc-h- e s - t-:- he - a - Ia - r- m -o -n-.
-==-_=._=.-_-
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Outs, temp par. mode
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-20 ... 20°C If the outside temperature falls below the value set here, the auxiliary heater can start parallel operation.
Bival. pt. parallel mode
2) ,_
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Outs. temp switch mode
1 r
-
20 ... 20 °C If the outside temperature falls below the value set here, the auxiliary heater can start alternating operation.
Bival. pt. switch mode
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Add. heater DHW cylinder Yes
An electric booster heater is installed in the DHW cylinder.
r----
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No An electric booster heater is not installed in the DHW cylinder.
Table 23 General settings for an auxiliary heater
1) Not available if Germany is set as the country.
2) Only available if Germany is set as the country.
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HPC 400 - 6 720821772 (2017/07)