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Chapter 1: System wiring

ZP3-ECU Extinguishing Control Unit Installation and Commissioning Manual

11

Connecting the ZP3-ECU

Connect the ECU as shown in Figure 5 below.

Figure 5: ZP3-ECU connections

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Summary of Contents for ZP3-ECU

Page 1: ...ZP3 ECU Extinguishing Control Unit Installation and Commissioning Manual P N 503 0800ZE I 05 ISS 31JUL23 ...

Page 2: ...arked 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 equipment or dispose of it at designated collection points For more information see recyclethis info 2006 66 EC Battery Directive This product contains a battery that cannot be disposed of as unsorted muni...

Page 3: ...rmation ii Safety issues and limitations iv Chapter 1 System wiring 1 Wiring standards 2 Wiring connections 3 Chapter 2 Installation 13 Installation location 14 Installation procedure 15 Chapter 3 Commissioning 17 Introduction 18 Programming the ECU 22 Tests 27 Chapter 4 Technical specifications 28 ...

Page 4: ...ial damages 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 consequential or incidental damages the preceding limitation may not apply to you In any event the total liability of Carrier shall not exceed the purchase price of the product The foregoing limitatio...

Page 5: ...typroducts 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 shown and described below WARNING Warning messages advise you of hazards that could result in injury or loss of life They tell you which actions to take or to avoid in order to prevent the ...

Page 6: ...s Proper grounding reduces this susceptibility Physical mounting All electronic assemblies should be removed from cabinets prior to any drilling filing reaming or punching of the enclosure Before making modifications verify that they will not interfere with printed circuit board location Wiring All wiring must fall within the limitations given in the wiring guide with respect to loop resistance lo...

Page 7: ...liant on external detection equipment such as detectors call points and fire control panels in order to activate effective fire alarms Incorrect positioning of the detectors limitations in the detector itself or incorrect application can result in failure of the detection process Bells and sirens When the extinguishing control system causes an extinguishing discharge the appropriate fire bells and...

Page 8: ...vi ZP3 ECU Extinguishing Control Unit Installation and Commissioning Manual ...

Page 9: ...al 1 Chapter 1 System wiring Summary This chapter provides information on system wiring Content Wiring standards 2 Wiring connections 3 Surge protection 3 Loop wiring 4 Additional information 10 Connecting the ZP3 ECU 11 Connecting the ZP3 ECU to ZP3 ECUS status units 12 ...

Page 10: ...tion Fire alarm systems must remain operative during the initial phase of a fire It is therefore important that certain wiring practices are followed and must comply to British Standard BS 5839 1 Sections 17 and 24 WARNING The wiring connection to the extinguishant cylinder actuator is a low impedance circuit which can draw up to 1 A during actuation Make sure that wiring to the actuator is of suf...

Page 11: ...guishing Control Units to ZP3 ECUS Extinguishing Status Units Surge protection The ECU is often connected to a power source which has fluctuations and surges outside of the recommended operating voltage limits The ECU main board Figure 1 below incorporates surge suppression and low voltage detection to try to compensate for any fluctuations and surges Figure 1 ZP3 ECU main board 24 VDC power The e...

Page 12: ...terminals are provided for the respective loop screens Screens must be properly connected at the fire panel Figure 2 Loop wiring connections Earth connection The ECU must be connected to a secure earth Good wiring practice should be followed and the earth connection should be kept as short as possible Earth is provided on pins 25 and 26 which makes connection to the chassis ...

Page 13: ...ure 3 below to ensure the effectiveness of the surge suppression board Mount the main board as follows 1 Align the main board chassis mounting slots with the lower studs of the box 2 Insert the main board into the box so that the main board chassis rests on the studs 3 Insert the mounting screws spring washers and the free earth lug of the wiring loom and then tighten the screws Note Do not disass...

Page 14: ...wo required coincidence areas patterns CA1 and CA2 which zig zag across the protected area overlapping in certain places It can be seen therefore that due to the coincidence pattern a fire in any part of the protected area will be as close as possible to both coincidence areas The ECU has two addresses each of which is associated to its own coincidence area pattern There must be a fire condition i...

Page 15: ...Chapter 1 System wiring ZP3 ECU Extinguishing Control Unit Installation and Commissioning Manual 7 Figure 4 Examples of cross pattern detection areas ...

Page 16: ... 2025 Diagram 1 Zone 1 consists of detector 1001 coincidence area one Zone 2 consists of detector 2001 coincidence area two Diagram 3 Zone 1 consists of detectors 1001 1002 and 1003 coincidence area one Zone 2 consists of detectors 2001 2002 and 2003 coincidence area two Both areas are programmed identically Input Output Mode Zone 1 1005 ECU FIRST ADDRESS SKNS Single knock non silencing Zone 2 202...

Page 17: ...vices 2001 2002 and 2003 Both areas are programmed in a similar manner Diagram 1 Input Output Mode 1001 1005 ECU FIRST ADDRESS SKNS Single knock non silencing 2001 2025 ECU SECOND ADDRESS SKNS Single knock non silencing Diagram 3 Input Output Mode 1001 1005 ECU FIRST ADDRESS SKNS Single knock non silencing 1002 1005 ECU FIRST ADDRESS SKNS Single knock non silencing 1003 1005 ECU FIRST ADDRESS SKNS...

Page 18: ... address is denoted by LRY In the Maestro graphics package the LOOP A address reports the ECU status and therefore it is not necessary to allow for an icon for the LRY LOOP B address Operation There is a cosmetic software bug in the ZP3 Fire Alarm Control Panel If the LOOP B address of the ECU is activated before the LOOP A address the fire panel reports TRIGGR The ECU is only triggered when both ...

Page 19: ...Chapter 1 System wiring ZP3 ECU Extinguishing Control Unit Installation and Commissioning Manual 11 Connecting the ZP3 ECU Connect the ECU as shown in Figure 5 below Figure 5 ZP3 ECU connections ...

Page 20: ... ECUS as shown in Figure 6 below Figure 6 ZP3 ECUS connections Notes If all key switches are on MANUAL then systems will be on MANUAL If one key switch is on AUTOMATIC then systems will be on AUTOMATIC Place jumpers L1 L2 and L3 on end of line extinguishing status unit display board Remove jumpers L1 L3 and L4 on the ECU display board when status units are used ...

Page 21: ...tinguishing Control Unit Installation and Commissioning Manual 13 Chapter 2 Installation Summary This chapter provides information on installing the ECU Content Installation location 14 Installation procedure 15 ...

Page 22: ...the actuator line must be taken into account The control devices in the protective area such as sounders are connected directly to the ECU WARNING The wiring connection to the extinguishant cylinder actuator is a low impedance circuit which can draw up to 1 A during actuation Make sure that wiring to the actuator is of sufficient capacity to avoid wiring resistance voltage loss The ECU is designed...

Page 23: ... front panel by unplugging the ribbon cable connector on the main PCB 3 Remove the front panel by sliding it out of the two slots on the unit 4 Loosen the three 3 bolts indicated below 5 Remove the PCB chassis plate assembly 6 Mount the housing as per the attached sheet 7 Re fit the PCB chassis plate assembly 8 Wire the panel according to the terminal schedule 9 Refit the front panel 10 Plug in th...

Page 24: ...Chapter 2 Installation 16 ZP3 ECU Extinguishing Control Unit Installation and Commissioning Manual ...

Page 25: ...ning Manual 17 Chapter 3 Commissioning Summary This chapter provides information on addressing commissioning and programmings the ECU Content Introduction 18 Prerequisites 18 Addressing 19 Commissioning checks 20 Applying power 21 Programming the ECU 22 Tests 27 ...

Page 26: ... connecting disconnection etc That a good multimeter preferably digital is at hand That you have all information relating to system zoning relay mapping relay operating parameters device sensitivity settings etc properly documented That the drawings on hand indicate correct device positions device addresses and device types with all relevant wiring runs That the actuator is NOT connected to the EC...

Page 27: ...resses must be at least twenty apart as security against short term random noise interference The fire alarm control panel identifies the extinguishing relay address as an extinguishing unit The switches are numbered 1 to 7 and may be configured to represent addresses from 1 to 127 A switch represents a particular value when ON an OFF switch represents 0 To configure the address of a device add th...

Page 28: ...k automatic actuation Switch 4 ON With jumper L5 on display board OUT No delay between MCP activation and actual extinguishing OFF With jumper L5 on display board IN Delay as per the setting of VR1 of the display board between MCP activation and actual extinguishing 1 1 VR1 on the main board sets the activation delay for double knock automatic discharge Bells sounders Make sure that The fire alarm...

Page 29: ...d with switch SWT3 1 ON then fit a 3K9 Ω resistor across terminals TB1 15 and TB1 16 Remote functions If one or more status units are connected then make sure that They are connected according to the respective wiring schematic see Figure 6 on page 12 The EOL links are inserted on the last status unit and are removed from the ECU and other status units in the chain Extinguishing release manual cal...

Page 30: ...termined by the loop number connected to ADD B and terminals of the surge suppression board The examples in the following pages illustrate the following configurations Two addressable loops used with the ECU activated from one zone on each loop Two addressable loops used with the ECU activated by groups of individual detectors on each loop One addressable loop used with the ECU activated by groups...

Page 31: ...n page 6 if required 2 Use the zone allocation routine to allocate the following devices 1001 1002 and 1004 into Zone 14 2021 2022 and 2025 into Zone 15 3 Use the I O mapping routine to map the following Zone 14 to operate the extinguishing relay 1005 Zone 15 to operate the ECU coincidence connection relay 2026 Programme both the extinguishing relay 1005 and coincidence connection relay 2026 to si...

Page 32: ...fer to Guidelines to programming the ECU on page 6 if required 2 Use the I O mapping routine to map the following devices 1001 1002 and 1004 to operate the extinguishing relay 1005 2021 2022 and 2025 to operate the coincidence connection relay 2026 3 Program both the extinguishing relay 1005 and the coincidence connection relay 2026 to single knock non silencing operation mode 4 Verify the program...

Page 33: ...Guidelines to programming the ECU on page 6 if required 2 Use the I O mapping routine to map the following devices 1001 1004 and 1008 to operate the extinguishing relay 1025 1022 and 1027 to operate the coincidence connection relay 1046 3 Program both the extinguishing relay 1025 and the coincidence connection relay 1046 to single knock non silencing operation mode 4 Verify the programming by trig...

Page 34: ... if required 2 Use zone allocation routine to allocate the following devices 1001 and 1002 to Zone 14 1024 1027 and 1028 to Zone 15 3 Use I O mapping routine to map the following Zone 14 to operate the extinguishing relay 1025 Zone 15 to operate the coincidence connection relay 1046 4 Program both the extinguishing relay 1025 and the coincidence connection relay 1046 to single knock non silencing ...

Page 35: ...rrectly programmed at the control panel Sample test a few mapping configurations System test Test the system by following the quarterly maintenance test routine described in the ZP3 ECU Maintenance Manual Arm the system Once you are sure that the system is functionally correct connect the actuator and make sure that the transit pin if fitted is removed ...

Page 36: ...xtinguishant discharge Fire alarm bell Discharge siren Auxiliary relay contacts 5 A 24 VDC intermittent 1 5 A 24 VDC continuous 0 5 A 24 VDC 0 5 A 24 VDC 1 x voltage free single pole double throw relay changes state at discharge Max switch power 30 W 50 VA Max switch current 1 5 A Max switch power 100 VDC 90 VAC Max number of connected ZP3 ECUS extinguishing status units 10 per ECU Colour Ash Grey...

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