10
Description Terminals
2 & 3
Input terminal for the 230V/AC supply
voltage of the thermostat
1 & 4
Output terminal to connect the consumer
RT+ & RT-
input terminal for connecting the
external temperature sensor
The external floor sensor is connected to the
two-pole screw terminal (JP2 / SENSOR / NTC).
DIP switches: The four DIP switches are used for
setting (see page 11)
Error codes
If there is a problem, it is indicated in the display by the following numbers.
E1 = internal sensor has a short circuit
E2 = internal sensor defective
E3 = external sensor has a short circuit / please check the sensor
E4 = external sensor defective / check whether the sensor is correctly connected
