System Wiring Drawing
10
Simple Central Controller
3. Simple central controller installation case 3
Installation method
1. Set of three simple central controller are clubbed together in cascade for common power sharing
line form the same outdoor.
2. Communication line can be commonly shared among all controllers (dotted lines).
3. Maximum of 16 controller can be clubbed in cascade system i.e. maximum 256 indoor units can be
controlled.
4. One PI 485 can supply power to maximum 3 controllers only.
Slave
Slave
Master
Slave
Slave
Slave