Velleman VMB1TCW - Manual (Page 7)

 reset the minimum and/or maximum temperature
 reset the time statistics of a sensor
 set or reset the de-blocking of the valve and/or circulation pump

write to sensor memory

The address of the linked sensor to set up a differential thermostat
The temperature controller module can receive following messages:
 the sensor type
 the sensor name
 the sensor temperature
 the sensor status
 the sensor settings
 the sensor time statistics
 the sensor program instruction
The temperature controller module can receive following instructions:
 request the current time
 set the current time
 synchronize the alarm clock
 set the alarm clock times
 request the module type
 request the communication error counter
 request the controller status
 request the controller name
 request the memory content
 change the memory content
 set the sensor program storage location
 set the sensor zone
 request a program instruction
 change a program instruction