A There will be no request for heating in this
temperature range
B There will be a request for heating in this
temperature range
C Hysteresis
D Neutral zone
E Return setpoint temperature
Hysteresis of output-controlled heat pump
This “Hysteresis HC” function is not available for output
controlled heat pumps and LW160H(A)V. Here the return
setpoint is controlled by the output control of the
compressor:
a a d c b
+4K
RS
RS Return setpoint
a Continuous operation of the heat pump with
individual heating output
b Switch o as soon as the setpoint is exceeded
by 4 K
c Switch on as soon as the temperature falls
below the return setpoint
d Activating the additional heat generator after
enable time, if the temperature is permanently
below the return setpoint and the compressor
operates with maximum output; switch back to
pure heat pump mode when return setpoint is
reached
RT incr.max
Return increase maximum
Setting for the maximum permissible overshoots of the return
temperature. If the return temperature is overshot, internal
minimum running times are ignored and all heat generators
switched o. Always set value higher than the value of the
hysteresis HC.
Release 2 CP
Release 2nd compresso
A value is only displayed for devices with two compressors.
Setting of the minimum external temperature from which the
second compressor can be released in heating mode. Above
the set external temperature, the second compressor remains
locked in heating mode
Release 2hg
Release second heat generator
Setting for the external temperature from which the second
heat generator can be released if required. Above the set
external temperature, the second heat generators remain
locked.
Exception:
CALLING UP SHORT PROGRAMS
Part 1 of the controller maunual, program area “Service“,
section “Calling up short programs“.
DETERMINING TEMPERATURES
The menu is not shown in full here. Further menu items
appear if you scroll down the screen.
Move to the respective required menu eld, activate, set
the temperature value and conrm by pressing the “turn-
push button“.
Finally scroll all the way down, cancel or save the settings.
Limit Return Return limit
Setting the maximum return setpoint temperatures in
heating mode.
X External temperature
Y Return temperature
A Heating curve-end point
B Return limit (in the example shown: 40°C)
Hysteresis HR
setting for the control hysteresis of the
heating regulator
Set a greater hysteresis for very reactive
heating systems, and a lower hysteresis
for less reactive heating systems.
Example: Hysteresis heating circle
return = 2K
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