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EP203 AUTOMATIC EXTINGUISHER PANEL 

 

 

 

Page 2 of 45 • EP203 AUTOMATIC EXTINGUISHER PANEL INSTALLATION MANUAL • Approved Document No. DFU0002032 Rev 4 

CONTENTS 

IMPORTA N T  NOT E S ............................................................................... 4

 

BASIC OVERVIEW A N D KEY FE A T URE S .................................................... 6

 

INS T A LL A TION A N D WIRIN G .................................................................. 9

 

The EP203 Panel Enclosure ........................................................................................................................9

 

Removing the Lid and Base PCBs...............................................................................................................9

 

FIRST FIX .............................................................................................. 1 1

 

Cable Types and Limitations ................................................................................................................... 11

 

Planning the Cable Entry and Distribution within the EP203 Panel ............................................... 11

 

Siting and Mounting the EP203 Panel .................................................................................................. 12

 

Mains Wiring .............................................................................................................................................. 12

 

Detector Circuit Wiring............................................................................................................................. 13

 

Sounder Circuit Wiring ............................................................................................................................. 13

 

Monitored Input Wiring ........................................................................................................................... 14

 

Auxiliary Output Wiring........................................................................................................................... 14

 

Remote Control Wiring ............................................................................................................................ 15

 

Extinguisher Output Wiring .................................................................................................................... 16

 

Connection to RSUs and ESUs .................................................................................................................. 18

 

SECON D FIX ......................................................................................... 1 9

 

Connecting the EP203 Panel ................................................................................................................... 19

 

Installing the Power Supply PCB and Output Expansion Relay Board............................................. 19

 

Connecting the Mains Supply .................................................................................................................. 19

 

Connecting the Standby Batteries.......................................................................................................... 20

 

Installing the Main Control PCB ............................................................................................................. 21

 

Connecting Circuits to the Main Control PCB ....................................................................................... 21

 

PROGRAMMIN G T H E  E P 2 0 3  P A N E L ........................................................ 2 2

 

General User Controls (Access Level 1) .................................................................................................. 22

 

Authorised User Controls (Access Level 2)............................................................................................. 22

 

Engineer Controls (Access Level 3) ......................................................................................................... 23

 

Accessing and using the Engineer Controls .......................................................................................... 23

 

ACCESS LEV EL 3 ME N U S ........................................................................ 2 4

 

Overview ..................................................................................................................................................... 24

 

Display Faults ............................................................................................................................................. 25

 

Display Dis/mnt .......................................................................................................................................... 25

 

Zones in Test .............................................................................................................................................. 25

 

Display RSUs................................................................................................................................................ 25

 

Disablements.............................................................................................................................................. 26

 

www.acornfiresecurity.com

www.acornfiresecurity.com

Содержание EP203

Страница 1: ...EP203 AUTOMATIC EXTINGUISHER PANEL Installation and Maintenance Manual Approved Document No DFU0002032 Rev 4 www acornfiresecurity com www acornfiresecurity com...

Страница 2: ...liary Output Wiring 14 Remote Control Wiring 15 Extinguisher Output Wiring 16 Connection to RSUs and ESUs 18 SECOND FIX 19 Connecting the EP203 Panel 19 Installing the Power Supply PCB and Output Expa...

Страница 3: ...it Wiring 13 Figure 5 Typical Sounder Circuit Wiring 13 Figure 6 Typical Monitored Input Wiring 14 Figure 7 Typical Remote Control Input Wiring 15 Figure 8 Typical Solenoid Circuit Wiring 16 Figure 9...

Страница 4: ...pply fuse F1 1 x 5A F 20mm glass fuse spare battery fuse F2 1 x set of battery connection leads red lead black lead green jump lead 1 x set of links for PLK1 PLK2 System Design Fire alarm system and e...

Страница 5: ...stage contacts etc EN12094 1 Section 4 27 Emergency abort device option with requirements to inhibit the extinguishing signal until the emergency abort device has been deactivated EN12094 1 Section 4...

Страница 6: ...r supply unit battery charging unit and battery monitoring unit Three zone conventional detector circuits line monitored for open and short circuit faults Any zone combination can be programmed to act...

Страница 7: ...entry to three access levels displayed on the LCD unit Access Level 1 AL1 is for general users Access Level 2 AL2 is for authorised users and Access Level 3 AL3 is for engineers See Figure 1 below No...

Страница 8: ...ld and Mode h 2 wire RS485 2 wire power 24V i Instruction document no DFU0000210 Economy Status Unit ESU Part No EP211 a Up to eight ESUs can be connected b Provides remote indication of extinguishant...

Страница 9: ...ps below Anti static handling guidelines Ensure that the following electro static handling precautions are taken immediately prior to handling the panel s PCBs or any other static sensitive components...

Страница 10: ...not to damage any of the components 7 If an Output Expansion Relay Board is fitted carefully remove the two retaining screws on the board and slide the board up and over its mounting pillars taking ca...

Страница 11: ...tallation Planning the Cable Entry and Distribution within the EP203 Panel Note The detector and alarm sounder circuit cabling is classed as low voltage and must be segregated away from mains voltages...

Страница 12: ...rews Assess the condition and construction of the wall and use suitable screw fixings Note The central mounting hole can be used to temporarily hang the base unit so it can be leveled and its remainin...

Страница 13: ...t Wiring A 6k8 end of line resistor supplied in the accessory pack must be connected across the terminals of the last device on each circuit to allow the wiring to be line monitored for open and short...

Страница 14: ...of line resistor supplied in the accessory pack must be connected across the terminals of each device on each circuit to allow the wiring to be line monitored for open and short circuit faults Note Un...

Страница 15: ...ates when an Access Level 2 user selects Start Extract Fan after the flooding time has elapsed without a reset This allows a flooded area to be vented of extinguishant Note The Extract Option is enabl...

Страница 16: ...two solenoids or multiple Metrons typically up to four Solenoid Wiring The extinguishant output is capable of supplying up to 1 amp for the maximum duration 5 mins to a solenoid To ensure that the cu...

Страница 17: ...ring The extinguishant output is capable of supplying up to 3 amps for the maximum duration 50 milliseconds to an igniting actuator The total series resistance of the actuator s and wiring should NOT...

Страница 18: ...een 1 and 8 See right for DIL switch settings DIL switch ON UP Each RSU has a pcb mounted Display Contrast VR1 that can be adjusted to suit the contrast of the units LCD display ESUs require a 2 wire...

Страница 19: ...ten the screws otherwise their threads will strip 3 Attach the Power Supply PCB s earth strap Green Yellow to the spade connector at the main chassis earth point on the base unit 4 If an Output Expans...

Страница 20: ...green link wire are supplied in the accessory pack The EP203 panel s sophisticated battery monitoring unit protects the batteries against deep discharge by activating a cut off circuit when the stand...

Страница 21: ...damage Connecting Circuits to the Main Control PCB Incoming detector and sounder circuits monitored inputs auxiliary outputs extinguisher circuits RSUs and ESUs are be connected to the relevant connec...

Страница 22: ...are Manually activate the extinguisher release Mute the internal sounder Also by pressing the menu button the LCD unit displays the following Access Level 1 menu Authorised User Controls Access Level...

Страница 23: ...b menus 1 Open the EP203 panel front lid using the Allen key supplied in the accessory pack 2 Press the Access level 3 switch located at the top right corner on the Main Control PCB The Accessed yello...

Страница 24: ...t option Extract Time Sets the duration for the ventilation extract fan operation Flow Option Selects the flow switch Sounder Delay Sets the delay duration before the fire sounders are activated RSU L...

Страница 25: ...ctive disablements on the system e g Zone 1 disabled etc 2 Scroll the display through all active disablements using the Scroll up and Scroll down buttons 3 Press the Escape button to return to the Acc...

Страница 26: ...d will also be displayed at any RSUs connected on the system Disable Zone This sub menu allows the disabling enabling of one or more of the panel s three detection zones Disabled zones do not report f...

Страница 27: ...oard is fitted this sub menu also allows the disabling enabling of one or more of the board s five relay outputs Reset Mode Discharged Hold and Abort 1 From the Disablements menu select Disable Relay...

Страница 28: ...ration using the Scroll up and Scroll down buttons This is adjustable between 0 60 seconds in 1 second steps 3 Press the Accept button to confirm the changes The Commissioning menu is displayed Ext Du...

Страница 29: ...nu selects whether a flow switch is fitted or not 1 From the Commissioning menu select Flow Option 2 Select either the flow switch fitted or not fitted option using the Scroll up and Scroll down butto...

Страница 30: ...key The Commissioning menu is displayed Earth Fault This sub menu enables disables the earth fault circuitry 1 From the Commissioning menu select Earth Fault 2 Select either the enabled or disabled op...

Страница 31: ...on using the Scroll up and Scroll down buttons 3 Press the Accept button to confirm the changes The Commissioning menu is displayed Clean Start This sub menu clears the panel s memory back to its fact...

Страница 32: ...three detection zones 1 From the Engineering menu select Walk Test 2 Select the required walk test zone 1 2 3 or All using the Scroll up and Scroll down buttons 3 Press the Accept button 4 Use the Scr...

Страница 33: ...g output 1 From the Engineering menu select Monitoring The LCD unit displays pulsing mode for the above circuits Note Pulsing mode reduces the quiescent current of the panel but may make troubleshooti...

Страница 34: ...nu select the Version Numbers sub menu The LCD unit displays the release date and version of the panel s firmware typical display shown below 2 Press the Accept button and the LCD unit displays the pr...

Страница 35: ...monitored for open and short circuit faults unless there is an alarm condition or the zone is in test or disabled The following lists typical fault diagnosis for zone faults Open circuit or short circ...

Страница 36: ...and must be replaced 3 If a sounder circuit fault is detected correct the fault and reconnect the sounder circuit The sounder fault will automatically clear within 60 seconds Note If the sounder circ...

Страница 37: ...wer Supply PCB fault Check the components on the Power Supply PCB for signs of damage If no damage is found replace the F1 fuse supplied in the accessory pack with the correct type ensuring that the f...

Страница 38: ...nufacturing and is temperature compensated There is no need to adjust the voltage 3 If the batteries are in good condition and all the other checks have been performed and no faults found the Power Su...

Страница 39: ...hbutton This should clear the fault If the fault persists the Main Control PCB is faulty and must be replaced Site memory corruption fault Symptoms This type of system fault occurs when site specific...

Страница 40: ...xtinguishant 4 If any of the panel s fuses or PCB components become faulty these can be removed and re connected as previously detailed in this manual 5 The EP203 panel uses VRLA type batteries that n...

Страница 41: ...required P Quiescent current of the panel 40mA 0 040A Z Total quiescent current of all zone devices RSUs Total quiescent current of RSUs ESUs Total quiescent current of ESUs Example The panel has det...

Страница 42: ...ISHER PANEL Page 42 of 45 EP203 AUTOMATIC EXTINGUISHER PANEL INSTALLATION MANUAL Approved Document No DFU0002032 Rev 4 APPENDIX 2 Extinguisher Control Panel Wiring Diagram www acornfiresecurity com ww...

Страница 43: ...l Release 2nd Stage Output Activated Abort Active Terminate Release Await Reset Start Countdown Exting Delay Countdown Running Countdown Finished Release Extinguishant Flooding Time Running Flooding T...

Страница 44: ...e monitored for open and short circuit faults YES Sounder output rating 19 28Vdc fused 200mA per circuit Max sounder cable length per circuit 50m Max number of polarised sounders per circuit 10 20mA e...

Страница 45: ...zone fault low pressure fault Internal control pushbutton Access level 3 switch located on Main Control PCB DIMENSIONS WEIGHT Dimensions of back box 439mm w x 276mm h x 70mm d approx metal Dimensions...

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