Grasslin feeling OpenTherm, Operating Manual

Page: 76 / 162

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Heat gradient Sets the speed/time to reach the desired room temperature: 1°C/hour,
2°C/hour or 4°C/hour
(only available, if optimum start (OPS) is set to ON)
OTC regulation (OTC) Set the OTC regulation to ON or OFF
Installation type (ITC) Sets the heating type: 1, 2, 3 or 4
1 = 90/70 system, 2 = 70/50 system (preset),
3 = 50/35 system, 4 = 40/30 system
(only available, if OTC regulation (OTC) is set to ON)
External input (EXT) Sets the external input: OFF, tLF (telephone), UdC (window/door contact)
or MdC (motion detector)
External phone mode (EPM)
Sets the external phone mode: rdc = Reduced temperature mode or
CoM = Comfort temperature mode
(only available, if external input is set to tLF)
Outdoor temperature sensor
(OTS) Sets the outdoor temperature sensor: ON or OFF
Key lock (LOK)
Activates the key lock to prevent unauthorized access
To deactivate the key lock, press the
MODE and ESC/STANDBy key for
3 seconds