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ZP3-ECU Extinguishing

Control Unit Maintenance

Manual

P/N 503-0800ZE-M-04 • ISS 31JUL23

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Summary of Contents for ZP3-ECU

Page 1: ...ZP3 ECU Extinguishing Control Unit Maintenance Manual P N 503 0800ZE M 04 ISS 31JUL23...

Page 2: ...rked with this symbol cannot be disposed of as unsorted municipal waste in the European Union For proper recycling return this product to your local supplier upon the purchase of equivalent new equipm...

Page 3: ...ce Manual i Content Important information ii Limitations iv Chapter 1 Maintenance 1 Summary 2 Notification and preparation 4 Preventive maintenance 5 Fault finding 7 Chapter 2 Fault finding communicat...

Page 4: ...under any theory of liability whether based in contract tort negligence product liability or otherwise Because some jurisdictions do not allow the exclusion or limitation of liability for consequenti...

Page 5: ...com policy product warning or scan the QR code Advisory messages Advisory messages alert you to conditions or practices that can cause unwanted results The advisory messages used in this document are...

Page 6: ...s between fire detection and extinguishant release plus deliberate delays to allow for personnel evacuation Maintenance faults As with most extinguishing systems the most common cause of their malfunc...

Page 7: ...hing Control Unit Maintenance Manual 1 Chapter 1 Maintenance Summary This chapter provides maintenance information for the ECU Content Summary 2 Notification and preparation 4 Preventive maintenance 5...

Page 8: ...ng condition at all times This involves arranging for the system to be checked tested and serviced as described in this manual The maintenance procedures described are recommendations There may be add...

Page 9: ...are used Type of extinguishing cylinders equipment and extinguishant details Physical layout of loops and devices The type and the address applicable to each extinguishing control unit should be recor...

Page 10: ...d their locations should be recorded Any actions taken should also be recorded Dates times and types of all defects and faults and the corrective actions taken Dates times and types of all tests under...

Page 11: ...he Automatic Manual key switch by operating the switch Check that the printer if available on the fire alarm control panel indicates the change in switch position Restore the system to previous config...

Page 12: ...the status unit Check that the bell output responds accordingly 7 Activate the second input mapped to activate the ECU using canned smoke to activate a smoke detector if required 8 Check after the del...

Page 13: ...rom the extinguisher cylinder if applicable Fault finding Faults that occur on the ECU or in building wiring are reported by the fire alarm control panel The Fault LED on the ECU front panel illuminat...

Page 14: ...Chapter 1 Maintenance 8 ZP3 ECU Extinguishing Control Unit Maintenance Manual...

Page 15: ...fire alarm control panel Note Fault messages on the fire alarm control panel display depend on the control panel used The examples included in this chapter are for the ZP3 Fire Alarm Control Panel Fo...

Page 16: ...Never use a megger or any other high voltage instrument on detection or alarm lines while there are any devices connected to them This causes irreparable damage to the devices Never replace a panel PC...

Page 17: ...terminals An ECU that is out of calibration or is faulty Interference on the loop to which the device is attached Corrective actions 1 Press the Accept Panel Silence button to silence the buzzer and...

Page 18: ...Dev 001 Event 001 Second Floor Laundry Room RELAY FAULT Zone 001 Dev 086 Event 002 The event is printed if a printer is configured Zone in which the relay fault occurred is indicated by the appropriat...

Page 19: ...n the display for example TYPE FAULT Zone 001 Dev 001 Event 001 Second Floor Laundry Room The event is printed if a printer is configured Possible causes Device addresses have been swapped within the...

Page 20: ...is printed if a printer is configured Possible causes An isolator on the loop has caused the device to open circuit Field wiring is disconnected or there is an open circuit Corrective actions 1 Press...

Page 21: ...ay depend on the control panel used The examples included in this chapter are for the ZP3 Fire Alarm Control Panel For other control panels refer to the documentation for the control panel Content ECU...

Page 22: ...Indicated current ratings are dependant upon the capacity of the power supply unit Figure 1 ECU main board fault LEDs 1 Extinguishant Pressure Low LED 2 Fire Bell Fault LED 3 Detonator Fault LED ensu...

Page 23: ...inted if a printer is configured The appropriate red Zone LED illuminates to indicate the zone in which the fault occurred Possible causes A fault on the control system falls into one of the following...

Page 24: ...the ECU or status unit display PCB respectively is not correctly setup or the monitored circuit has gone open circuit Corrective actions 1 Press the Accept Panel Silence button to silence the buzzer a...

Page 25: ...P3 Fire Alarm Control Panel also illuminates GNFLT Zone 001 Dev 5001 Event 002 Possible causes The EOL resistor across the actuator switch is not inserted or the circuit is an open circuit The detonat...

Page 26: ...panel and the panel buzzer sounds The Fault LED on the fire alarm control panel also illuminates GNFLT Zone 001 Dev 5001 Event 002 Possible causes The EOL resistor across the Extinguishant Pressure L...

Page 27: ...he Fault LED on the fire alarm control panel also illuminates GNFLT Zone 001 Dev 5001 Event 002 Possible causes The EOL resistor across the fire bell is not inserted or the monitored circuit wiring is...

Page 28: ...e Fault LED on the fire alarm control panel also illuminates GNFLT Zone 001 Dev 5001 Event 002 Possible causes The EOL resistor across the extinguishant discharge siren is not inserted Monitored wirin...

Page 29: ...lso illuminates GNFLT Zone 001 Dev 5001 Event 002 Possible causes 1 SWT3 1 on the main PCB of the ECU is set to ON and the Extinguishant Pressure Verification Switch is NOT connected 2 SWT3 1 on the m...

Page 30: ...one 001 Dev 5001 Event 002 Possible causes Total loss of power to the ECU Loss of power to a section of the ECU main board Corrective actions 1 Press the Accept Panel Silence button to silence the buz...

Page 31: ...eration of controls on the status unit does not evoke appropriate response on the ECU Possible causes The wiring connections to the status unit are open circuit or incorrect The ribbon cable connected...

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