Chapter 2: Operation
8
ZP3-ECU Extinguishing Control Unit User Guide
ZP3-ECU Extinguishing Control Unit
Controls and indicators
Figure 4: ZP3-ECU controls and indicators
1. Fire LEDs
2. Fault LEDs
3. Locked Off/Reset LEDs
4. Power On LED
5. Locked Off/Reset key switch
6. Automatic mode LEDs
7. Automatic/Manual mode key switch
8. Manual mode LEDs
9. Silence button
10. Hold Off Extinguishant Release button
11. Hold Off Extinguishant Release LED
12. Extinguishant Discharged LEDs
13. Extinguishant Discharge Pending LED
14. Extinguishing manual call point