Order number: 900323.001 V1.74 Page 23
© Störk-Tronic 2021 • www.stoerk-tronic.com • Subject to modifications.
Parameter description
U-- Relay contacts and lamps
(password protected)
U1 ... U8 Function relay K1...K8
Assignment of internal output signals to the
corresponding output relays.
U11 ... U16 Function LED 1...6
Assignment of status LEDs (signal lamps) to
the internal signals.
U20 Function LED weekdays
If 1 is entered here, the 7 LEDs are assigned
to the weekdays. In this case, parameters
U21..U27 will not be active. If 2 is entered,
the LEDs will be assigned according to pa-
rameters U21...U27.
U21 ... U27 Function LED 7..13 (Mo..Su)
Assignment of weekday LEDs to certain in-
ternal signals (signal lamps).
U99 Password of parameter level U--
With this parameter, you can set the pass-
word for parameter level U--.
Y-- Control circuit 2
(password protected)
Y0 Assignment of sensor for indepen-
dent 2nd control circuit (thermostat)
With this parameter, you can set which sen-
sor input is to be assigned to the 2nd control
circuit.
Y1 Control circuit 2: setpoint
Here, you can set the setpoint for the 2nd
control circuit (thermostat). If a button is pa-
rameterised accordingly, the setpoint can
also be viewed and set up via this button
directly.
Y2 Control circuit 2: absolute/relative
setpoint
If Y2=0, the setpoint Y1 is an absolute value,
if Y2=1 the setpoint of control circuit 2 is
the sum of Y1 and the actual setpoint c1/
c2/c3.
Y4 Control circuit 2: switching mode
Heating contact or cooling contact.
Y5 Control circuit 2: hysteresis
In this parameter, you can specify the control
hystere-sis. A small hysteresis enables exact
control, but will result in frequent switching
of the relay.
Y6 Control circuit 2: Hysteresis mode
With this parameter you can define if the
hysteresis will be active at the correspond-
ing switching point symmetrically or on one
side only. In the case of a one-sided hyster-
esis, the hysteresis will be active below the
setpoint in the case of the heating function
[Y4=0] and above the setpoint in the case
of the refrigerating function [Y4=1]. In the
case of a symmetrical hysteresis, there is no
difference.
Y7 Control circuit 2: upper setpoint lim.
Y8 Control circuit 2: lower setpoint limit
With these parameters, you can limit the set-
ting range of setpoint Y1 to avoid that the
end user does not enter non-permissible
values.
Y9 Control circuit 2: Function in the
case of sensor fault
Here it is defined whether the controlled out-
put contact opens or closes in case of an
error of the assigned sensor.
Y10 Control circuit 2: Defrost interval
The defrosting interval defines the time after
which a defrosting operation is started. As
soon as the defrosting cycle is triggered, the
defrosting interval starts again. In this way,
periodic defrosting at a fixed time interval is
ensured.
Y11 Control circuit 2: Defrosting time
limitation
Here, you can set the max. time in which the
defrosting operation must be completed.
Y99 Password of parameter level Y--
With this parameter, you can set the pass-
word for parameter level Y--.
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