10.3.4 Temperature Setpoint in Eco Mode
Parameter P18, P19
Parameter P18 can be used to increase the temperature in cooling mode during Eco operating mode.
Parameter P19 can be used to lower the temperature in heating mode during Eco operating mode.
The cooling setpoint is raised by 3.0 °C during Eco mode.
The heating setpoint is lowered by 3.0 °C during Eco mode.
The use of the Eco/Day function via the timer program in the KaController can be set via
parameter P38 (ON/OFF, Eco/Day function).
10.3.5 Heating/Cooling Changeover via Clip-on Sensor in 2-Pipe Systems
The changeover between heating and cooling is performed as standard in 2-pipe systems via an
external contact and the digital input DI2.
If there is no external contact to change over between heating and cooling, the switchover can be
made via a clip-on sensor.
The clip-on sensor should be ordered separately and, after installation, wired to the analog input
B2 of the PCB (as per the wiring diagram). The configuration is documented in the following
descriptions.
The slave units should also be fitted with a clip-on temperature sensor within one control zone.
10.3.5.1 Setting DIP Switch no. 1
If the changeover between heating and cooling is performed by a clip-on sensor, then the DIP
switches must be set to
DIP switch no. 1 = ON
DIP switch no. 2 = OFF
The functions of the DIP switches are described in Section 9 "Setting Configuration of Units by
Means of DIP Switches".
KaControl for Venkon
ASSEMBLY AND INSTALLATION INSTRUCTIONS
1.48
Venkon
39
Operation Standard Min Max Unit
P18 Temperature increase of cooling setpoint in Eco operating mode 30 0 255 °C /10
P19 Temperature drop in heating setpoint in Eco operating mode 30 0 255 °C /10
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