5
L-7
II. Description of the device
wide range of functions:
- possibility of controlling up to 22 thermostatic actuators via 8 room sensors (C-7p):
- 3 room sensors may support up to 12 actuators (the maximum of 4 actuators per
one sensor);
- 5 room sensors may support up to 10 actuators (the maximum of 2 actuators per
one sensor)
- one 230V output for a pump
- voltage-free contact (e.g. for controlling the heating device)
- possibility of connecting ST-507 Internet or WiFi RS to control the system via the
Internet
- possibility of connecting M-7 wireless control panel with RS communication
- possibility of connecting ST-61v4 or ST-431n valve module
- possibility of updating the software via USB
Controller dimensions
II.a) Principle of operation
L-7 controller decides if a given zone needs to be heated on the basis of current temperature
value sent by the room sensor (C-7p) as well as the individual operation algorithm of the
zone.
be used e.g. for controlling the heating device.
controller activates CH pump.
The signal from each zone is transmitted to L-7 controller via room sensors.
In each zone the user installs wired valve actuators STT-230/2.
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