Control of fire extinguishing systems 2 ZP3-ECU control unit overview 3 ZP3-ECUS status unit overview 5 Chapter 2 Operation 7 ZP3-ECU Extinguishing Control Unit 8 ZP3-ECUS Extinguishing Status Unit 16 Chapter 3 Maintenance 19 ZP3-ECU Extinguishing Control Unit User Guide...
Important information This is the user guide for the ZP3-ECU Extinguishing Control Unit (ECU). Read these instructions and all related documentation entirely before installing or operating this product. Product compatibility The ZP3-ECU is compatible for use with the following addressable fire alarm control panels running the Ziton protocol: •...
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Note: Note messages advise you of the possible loss of time or effort. They describe how to avoid the loss. Notes are also used to point out important information that you should read. ZP3-ECU Extinguishing Control Unit User Guide...
As with most extinguishing systems the most common cause of their malfunction is lack of maintenance. A full maintenance plan should be carried out on a regular basis as described in Chapter 3 “Maintenance” on page 19. ZP3-ECU Extinguishing Control Unit User Guide...
Chapter 1 Introduction Summary This chapter provides a general introduction to the ECU. Content Control of fire extinguishing systems 2 ZP3-ECU control unit overview 3 ZP3-ECUS status unit overview 5 ZP3-ECU Extinguishing Control Unit User Guide...
Chapter 1: Introduction Control of fire extinguishing systems The Ziton addressable fire alarm control panels are ideally suited to operating fire extinguishing systems that use an extinguishant such as foam, dry chemical, or powder to combat fires in any size area. Fire extinguishing systems are...
Chapter 1: Introduction ZP3-ECU control unit overview The ZP3-ECU Extinguishing Control Unit (Figure 2 on page 4) is designed to connect to a Ziton addressable fire alarm detection system and control a fire extinguishing system. It interfaces to the fire detectors of the fire detection system and provides secure "coincidence connection"...
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Chapter 1: Introduction Figure 2: ZP3-ECU Extinguishing Control Unit ZP3-ECU Extinguishing Control Unit User Guide...
ZP3-ECUS status unit overview The ZP3-ECUS Extinguishing Status Unit (Figure 3 below) is designed to connect to a ZP3-ECU Extinguishing Control Unit. The status unit has key switches to enable remote control of the ECU for automatic or manual selection, as well as lock-off for maintenance. Other controls are manual extinguishant release via the callpoint, alarm silence push button, as well as an extinguishant hold off more time button.
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Chapter 1: Introduction ZP3-ECU Extinguishing Control Unit User Guide...
The Automatic/Manual key switch 12 The Locked-off/Reset key switch 13 Fault conditions 13 Delay time settings 13 The Hold Off Extinguishant Release button 14 ZP3-ECUS Extinguishing Status Unit 16 Controls and indicators 16 Operation 17 ZP3-ECU Extinguishing Control Unit User Guide...
Chapter 2: Operation ZP3-ECU Extinguishing Control Unit Controls and indicators Figure 4: ZP3-ECU controls and indicators 1. Fire LEDs 8. Manual mode LEDs 2. Fault LEDs 9. Silence button 3. Locked Off/Reset LEDs 10. Hold Off Extinguishant Release button 4. Power On LED 11.
The event is displayed on the fire alarm control panel display with the zone number and loop address of the ECU. • If a printer is connected to the fire alarm control panel then the event details are printed. ZP3-ECU Extinguishing Control Unit User Guide...
LEDs flash, and the event is displayed on the fire alarm control panel display with the zone and device number. • The red LED at the triggered device flashes. • If a printer is connected to the fire alarm control panel then the event details are printed. ZP3-ECU Extinguishing Control Unit User Guide...
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If for any reason personnel cannot be evacuated and you need to perform an emergency stop to the automatic extinguishing, turn the Locked Off/Reset key, (Figure 4, item 5) clockwise to lock off the unit. ZP3-ECU Extinguishing Control Unit User Guide...
• The two yellow Automatic mode LEDs, (Figure 4, item 6) illuminate. • If a printer is connected to the fire alarm control panel then the event details are printed. ZP3-ECU Extinguishing Control Unit User Guide...
The panel should return to normal. Delay time settings The default delay is 30 seconds. This can be configured to any value from 5 to 45 seconds. ZP3-ECU Extinguishing Control Unit User Guide...
RV1 on the ECU Main Board. The factory default delay time setting for automatic delay is 30 seconds. This switch setting is used together with switch 4 (see below). Switch 3 OR 4 must be ON (depending on the hold off release operation required). ZP3-ECU Extinguishing Control Unit User Guide...
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If the button is kept down for a longer period e.g. 50 seconds, extinguishant release is held off until the button is released, extinguishant release is then immediate. There is no time limit on the hold off time when using this mode. ZP3-ECU Extinguishing Control Unit User Guide...
11. Hold Off Extinguishant Release LED 5. Locked Off/Reset key switch 12. Extinguishant Discharged LEDs 6. Automatic mode LEDs 13. Extinguishant Discharge Pending LED 7. Automatic/Manual mode key switch 14. Extinguishing manual call point ZP3-ECU Extinguishing Control Unit User Guide...
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). ZP3-ECU Extinguishing Control Unit User Guide...
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Chapter 2: Operation ZP3-ECU Extinguishing Control Unit User Guide...
Chapter 3 Maintenance This chapter provides basic maintenance information for the ECU. For more detailed maintenance information, see the ZP3-ECU Maintenance Manual. Daily maintenance On a daily basis, the operator should make sure that: 1. ONLY the Power On and "Auto/Manual" LEDs are illuminated on the ECU front fascia.
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