Enlightenment - LH12800 environmental controller: 7-inch display screen, 12 relays, 20 ventilation levels.
1) Four temperature sensors can be connected. (3 indoor, 1 outdoor or water temperature)
2) One humidity sensor can be connected.
3) One ammonia sensor can be connected.
4) One carbon dioxide sensor can be connected.
5) One negative pressure sensor can be connected.
6) Can access 2 digital inputs. (Can be connected to pulse water meter, feeding pulse)
7) Two sets of variable frequency fans can be connected for control.
8) It can be connected to control 8 sets of constant speed fans.
9) One set of wet curtain water pump control can be connected< Br/>
10) Can be connected to 3 sets of heater controls.
11) Can access 1 set of lighting control.
12) Can be connected to 1 set of alarm controls.
13) Can control 2 sets of air inlet motors.
