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3. External input
The external input can be configured for various external
sensors.
!
Input is active, therefore do not use external voltage.
The connected contact must be floating and electrically
isolated.
The following options are available with the indivi-
dual sensors/contacts
Floor
Temperature
limit
Floor temperature restriction, floor
temperature selection adjustable
between 20 °C and 50 °C; floor sensor
(9070321)
L
no safety temperature limiter, but
device type 1 in accordance with
EN 60730-1
Room
temperature
no options
The internal temperature sensor will
be switched off; external temperature
sensor (IP 65) (9070459)
Presence
detector
Temperature
selection
This temperature is used for control
if the HVAC output of the presence
detector is switched. If no presence is
detected, the set program is used for
control
Window contact
no options
As long as the window contact is swit-
ched, the thermostat controls to frost
protection temperature
Telephone
contact
Temperature
selection
Select temperature for the controller if
the telephone contact is switched
Error display at RAMSES BLE OT
L
If the external input is set to "floor" or "room temperature", an
appropriate temperature sensor has to be connected. If this sen
-
sor is missing, the red LED flashes at one second intervals.
