Chapter 2: Operation
ZP3-ECU Extinguishing Control Unit User Guide
17
Operation
The operation of the extinguishing system from the status unit is exactly the
same as the operation from the ECU.
For specific information, see:
• “Normal operation” on page 9
• “Fire operation – manual extinguishing” on page 9
• “Fire operation – automatic extinguishing” on page 10
• “The Automatic/Manual key switch” on page 12
• “The Locked-off/Reset key switch” on page 13“
• “Fault conditions” on page 13
• “Delay time settings” on page 13
• “The Hold Off Extinguishant Release button” on page 14
Remember:
• If the key switch on either the ECU or the status unit is set to Automatic, the
system will be on Automatic (as indicated by the front panel LEDs).
• if the key switch on either the ECU or the status unit is set to Locked-off, then
the system will be locked off (as indicated by the front panel LEDs).
