175
NTC controller
190
B
A
1
2
1
1
1
1
5
6
3
3
3
4a
4b
Legend
1 NTC controller
2 Secondary communication bus
3 User interface connection
4 IR2
5 ZUI2
6 CRC2
A Room A
B Room B
Carrier Room Conroller (CRC2( Simpliļ¬ed User
Interface (SUI)
Zone User Interface
(ZUI)
Infrared Remote Control (IR2)
and receiver
