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We reserve the right to make technical changes.
83052300eUK © ait-deutschland GmbH
For further details, see point “min. AT VL max.” and
the following diagrams:
VL
AT
-20°C
min. AT VL max.
VL-max.
VL EG
VL = Forward ow
EG = Limitation of use
AT = outside temperature
Hysteresis 2.CP short Hysteresis heating regulator
Shorten HR hysteresis. HR. Hysteresis heating regula-
tor from which the cut-in time of the 2nd. compressor
stage is shortened (See “System setting”).
Cutting-in compressor 2:
A
B
D
C
E
A No cut-in
B Shortened cut-in
C Shortened cut-in
C Return ow set value
D Heat regulator hysteresis
E Hysteresis HR shortened
service water max Maximum service water
temperature
A values, which is set to limit the maximum set tem-
perature of the hot water.
min. ow cooling Minimum cooling ow
temperature
If the temperature at the cooling sensor falls below this
temperature (depending on integration TB1, TB2 or
TRL), the cooling is interrupted (factory setting 18 °C).
At the same time, the displayed value is the minimum
value for settable cooling setpoint temperatures.
Activate and select the required parameters. The relevant
temperature entry eld assumes a dark background…
Set required temperature…
Value ranges: page 78, „System setting during
commissioning“
Finish entry…
Procedure – if required, repeat for further
parameter(s)…
Scroll all the way down the screen. Save settings or
cancel. Return to menu “Service Settings”.
determInIng prIorItIes
In the menu “Service Settings”, select and activate the
menu eld “Priorities”…
The screen switches to the “Service Settings Priorities”
menu…
NOTICE
Hot water – as in the example – has top priority in
the factory setting.
If you wish to give the heating priority, continue with
. Otherwise with .
Select menu eld “Domestic hot water”. The priorities
entry eld assumes a dark background…
Change priority for “Domestic hot water“ and nish
entry…
NOTICE
The menu eld “Heating” serves for information.
No manual settings can be made here.
Save settings or cancel. Return to menu “Service
Settings”.
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