Stulz C7000 - Page 4

4 EN/06.2019/G57 © STULZ GmbH – all rights reserved
C7000 INSTRUCTIONS FOR A/C UNITS
7. Bus communication ....................................................................................... 154
7.1 System architecture with the C7000IOC
................................................................ 154
7.2 System architecture with the C7000AT
................................................................... 155
7.3 Bus Layout
......................................................................................................................... 156
7.3.1 General
...................................................................................................................... 156
7.3.2 Configuration of the IO bus
................................................................................. 156
7.3.3 Preparation before Installation
.......................................................................... 157
7.3.4 Setting the Bus Address
...................................................................................... 157
7.3.5 Bus overview
........................................................................................................... 159
7.3.6 Special cases
.......................................................................................................... 160
8. Alarm treatment
............................................................................................. 163
8.1 Alarm display
...................................................................................................................... 163
8.2 Alarm Reset
........................................................................................................................ 163
8.3 Configuration of external and unit alarms
................................................................ 164
8.4 Alarm texts
.......................................................................................................................... 165
8.5 Alarm texts in the case of hardware errors
.............................................................. 167
9. Troubleshooting
............................................................................................. 168
10. Hardware components
................................................................................ 170
10.1 I/O controller (C7000IOC)
......................................................................................... 170
10.2 EDIO - extension board for digital in- and outputs
............................................ 172
10.3 EAIO - extension board for analog in- and outputs
........................................... 174
10.4 EBUS-extension board for RS485 bus
................................................................ 176
10.5 Driver module for electronic expansion valve EVD
............................................ 177
10.6 C7000 Advanced - Terminal (C7000AT)
.............................................................. 178
10.6.1 Driver module
....................................................................................................... 179
10.7 C7000 Display
............................................................................................................... 180
11. Default configurations
................................................................................ 182
11.1 Preconfigurations
......................................................................................................... 196