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FireClass ESSENTIAL 2 Applications Manual

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Introduction
Product: ESSENTIAL 2, ESSENTIAL 4
This manual contains necessary details on the FireClass Essential Panels for application design.
The following supporting documentation is also available:
•
FireClass Essential Panels User Manual (A16381AH0G_EN)
FireClass Essential Panels Installation and Commissioning Manual (A16381G5K2_EN)
•
General description
The panels are fully compliant with the mandatory requirements and selected optional
requirements of EN 54-2, EN 54-4, and listed as part of the EN 54-13 system certificate.
The following panels are in this range:
•
FireClass Essential 2 Zone Panel
•
FireClass Essential 4 Zone Panel
A single plastic enclosure houses each panel in the range. Each panel has door-mounted buttons
that are fitted with a polyester overlay. The buttons provide user controls and indications, and
an enable key locks or unlocks user controls. All indications are represented by LEDs. The panel
enclosure houses the power supply and standby batteries.
A16381G5KC_EN 4.0
2023-04-13
FireClass Essential Panels Application
Manual

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Summary of Contents for FireClass ESSENTIAL 2

  • Page 1 FireClass Essential Panels Application Manual Introduction Product: ESSENTIAL 2, ESSENTIAL 4 This manual contains necessary details on the FireClass Essential Panels for application design. The following supporting documentation is also available: • FireClass Essential Panels User Manual (A16381AH0G_EN) FireClass Essential Panels Installation and Commissioning Manual (A16381G5K2_EN) •...

  • Page 2: Cabinet Specifications

    The main system boards are different, depending on the variant. 2 Zone and 4 Zone main system board The FireClass Essential 2 Zone and 4 Zone panels support fire detection and fault status reporting. The panels also monitor conventional detectors, sounders, power supply, and battery charge. The panel provides visible LED indications, buttons, and a buzzer for audible indication.
  • Page 3 EEPROM are on the board. To set the delay to output feature, a potentiometer is provided. Figure 3: 2 Zone and 4 Zone main components Callout Component Enclosure mounting hole 2 Zone or 4 Zone main system board printed circuit board assembly (PCBA) Enclosure mounting hole Battery Earth bar FireClass Essential Panels Application Manual...

  • Page 4: Panel Assembly

    Door or cover assembly 2 Zone or 4 Zone main system board PCBA Panel label Cabinet enclosure Earth bar Earth bar screws Product QR code Earth wire 2 Earth wire 1 Main system board and PSU screws FireClass Essential Panels Application Manual...

  • Page 5: Functional Specification

    Supervised and resettable 1, 24 VDC, 0.25 A 1, 24 V VDC, 0.25 A auxiliary supply Unsupervised auxiliary supply 1, 24 VDC, 0.5 A 1, 24 V VDC, 0.5 A Auxiliary inputs, non- latchable Open collector outputs FireClass Essential Panels Application Manual...
  • Page 6 The number of cycles is dependent on the zone in test condition. There are n cycles for n zone number. For example, zone 3 runs three cycles of the sounder. Note: You have to manually restore the call point to complete the test. FireClass Essential Panels Application Manual...
  • Page 7 Auxiliary input 1 Battery terminal Front panel controls enabling switch Power supply terminal Repeater interface, for future use Repeater supply, for future use and unsupervised auxiliary supply Open collector outputs and supervised auxiliary supply Fire relay output FireClass Essential Panels Application Manual...

  • Page 8: Power Supply

    The circuitry also protects against reversed connection of the batteries. The thermal probe is added to the battery surface to monitor its temperature. The output of the PSU regulates according to the temperature. In the case of overheating, the charging cuts off. FireClass Essential Panels Application Manual...
  • Page 9 PSU fixing hole Thermo-couple cable connector PSU output voltage fine trimmer 27.6 V auxiliary power supply terminals, inaccessible for user 230 VAC 50/60 Hz mains power terminals Supply cable to connect with main system board FireClass Essential Panels Application Manual...

  • Page 10: Order Information

    FireClass Essential 4 Zone Panel 508.032.732 FireClass Essential 4 Zone Panel Main System Board 508.032.733 FireClass Essential 2 Zone Panel Main System Board PS-1230 12 V, 3.4 Ah Battery 508.031.752 BAW50T24 Switched-Mode PSU/Battery Charger Max 1.8 A at 27.6 VDC...
  • Page 11 General fire/zone fire Flashes for a fire alarm and turns steady on when the alarm buzzer is silenced The general fire indication and individual zone fire indications are identical Common fault Yellow Common fault detection FireClass Essential Panels Application Manual...
  • Page 12 Steady on when the sounders are disabled Aux fault Yellow Flashes for an auxiliary fault Auxiliary power fault detection Battery fault Yellow Flashes for a battery fault Battery fault detection Reserved for future use FireClass Essential Panels Application Manual...
  • Page 13 Using the enable/ In access level 2 and 3 disable button Reset Using the reset In access level 2 and 3 button Buzzer silence Using the buzzer In access level 1, 2, and silence button FireClass Essential Panels Application Manual...
  • Page 14 3. The power to auxiliary outputs turns off for 5 seconds. 4. The reset output then activates for 5 seconds and turns off. 5. Refer to the Resetting the fire alarm section in the FireClass Essential Panels User Manual (A16381AH0G_EN).

  • Page 15: Fault Detection

    To navigate through functions such as test mode, enable/disable, and delay to output for individual zone programming. • To override the delay mode, refer to the Overriding the delay mode section in the FireClass Essential Panels User Manual (A16381AH0G_EN). Using the silence/resound/evacuation button 1.
  • Page 16 5. Invalid end-of-line resistor (EOLR): The respective zone fault LED flashes four times continuously. 6. Zone-in-test: The respective zone fault LED flashes continuously, in sync with the test LED. FireClass Essential Panels Application Manual...
  • Page 17 It is dependent on the number of cycles for each zone. For each cycle: Sounder on for 2 seconds and off for 2 seconds. Zone 1: runs only a single cycle Zone 2: runs two cycles Zone 3: runs three cycles Zone 4: runs four cycles FireClass Essential Panels Application Manual...
  • Page 18 Exiting the zone test selection mode Press the Function button when the test is completed or to exit test mode. • The test LED and selected zone fault LED turn off. FireClass Essential Panels Application Manual...

  • Page 19: Engineer Functions

    Figure 10: Normal potentiometer denoting time in minutes for setting the delay In default condition, the arrow of the potentiometer points to 0. Setting the value of the delay to outputs Log on to access level 3. FireClass Essential Panels Application Manual...
  • Page 20 Note: Fire and fault detection is disabled when the user enters test, enable/disable or delay to output programming. Note: The LED indications for fault and alarm clear if the user enters test, enable/disable or delay to output programming. The LED indications are restored when the user exits the programming mode. FireClass Essential Panels Application Manual...
  • Page 21 Important: When a zone is disabled, power is still supplied to the zone, but alarms and faults are prevented from triggering in that zone. If devices in disabled zones are activated for any reason, their LEDs light up as power is supplied to those zones. FireClass Essential Panels Application Manual...

  • Page 22: Circuit Connection Details

    Battery terminals Mains supply input Signals of repeater, reserved for future use Unsupervised auxiliary power, 24 VDC, 0.5 A Open collector outputs Supervised auxiliary power, 24 VDC, 0.25 A Fire relay output Fault relay output FireClass Essential Panels Application Manual...

  • Page 23: Auxiliary Supply

    When the switch is off, the panel stops the sounders. Aux 2 input, class change input: When the switch is turned on, the sounder activates continuously. When the switch is turned off, the sounder deactivates. FireClass Essential Panels Application Manual...
  • Page 24 Figure 13: Auxiliary I/P connection detail Aux Inp 1 Aux Inp 2 Callout Component Auxiliary input 1, alert Auxiliary input 2, class change FireClass Essential Panels Application Manual...

  • Page 25: Sounder Circuits

    = Minimum alarm voltage Amin = Minimum output voltage (See Note) Omin = Alarm current in amps L = Alarm Circuit length in metres = Cable resistance (Ohms per metre) Note: Min output voltages: Panel = 21 V FireClass Essential Panels Application Manual...

  • Page 26: Maximum Number Of Devices On A Zone

    The maximum current available is 47 mA, with 3.9 K EOL. Note: To comply with BSEN 54-2, the maximum number of devices connected to a panel is limited to 32; 25 detectors and 7 manual call points. FireClass Essential Panels Application Manual...

  • Page 27: Specifications

    21 V - 27.6 VDC, battery charge dependent operation Auxiliary supply, mains 27.6 VDC, temperature dependent operation Electronic protection Monitored for short and overcurrent or resettable Cable requirements 0.25 mm2 to 2.5 mm2, 2 core unshielded FireClass Essential Panels Application Manual...
  • Page 28 For example: Ialarms = 74.8 mA • The load on the auxiliary supply in an alarm condition is Iauxfault = 277mA+74.8 mA= 351.8 mA • Battery load in fault is the as same as the panel fault current. FireClass Essential Panels Application Manual...
  • Page 29 The maximum battery capacities that can be charged according to BFPSA recommendations are listed in Table 9. Table 9: Maximum battery capacities Panel Max Battery Capacity FireClass Essential 2 Zone and 4 Zone Panel 2 x 12 V, 3.4 Ah FireClass Essential Panels Application Manual...
  • Page 30 © 2023 Johnson Controls. All rights reserved. All specifications and other information shown were current as of document revision date and are subject to change without notice. Tyco Fire and Security GmbH, Victor von Bruns-Strasse 21, 8212 Neuhausen am Rheinfall, Switzerland. www.fireclass.com...

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Essential 4

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