Ardent Checkfire detection system - Checkfire Data Sheet by nyut545e2

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									                                                                                                                              Data Sheet: Checkfire® SC-N




Ansul® Detection and Control Equipment
Checkfire® SC-N Electric Detection and Actuation System
                                                  Application                                             initiating circuits. The first time delay is field
                                         002710   The CHECKFIRE SC-N Electric Detection and               programmed to assign the time between the
                                                  Actuation System furnishes fire detection for           initial alarm condition from the detection circuit
                                                  equipment hazard areas. Its unique actuator             and the operation of the shutdown relay. The
                                                  allows actuation of a pneumatically-actuated            first time delay is programmable for 5, 10, 20,
                                                  fire suppression system either manually                 or 30 seconds. The second time delay is field
                                                  or automatically.                                       programmed to assign the time between the
                                                                                                          completion of the first time delay (when the
                                                  The CHECKFIRE SC-N system is typically used             shutdown relay operates) and operation of the
                                                  with an Ansul A-101 Vehicle Fire Suppression            release circuit. The second time delay is field
                                                  system for 24-hour protection of equipment.             programmable for 0, 10, 20, or 30 seconds.
                                                  The system is particularly suited for protection
                                                  of equipment that is subjected to extreme               Second Initiating Circuit
                                                  environmental and physical conditions such              The second initiating circuit is field programmable
                                                  as vehicles used in forestry, mining, agriculture,      to be used as either an electric manual pull or
                                                  construction, public transportation, public             a pressure switch feedback circuit. If selected
                                                  utilities, land fill, and waste disposal.               as an electric manual actuation input circuit, its
                                                                                                          operation will override the first time delay function
                                                  The control module can be utilized as a self            and initiate a second time delay condition,
                                                  contained system, powered by its own internal           causing the shutdown relay to immediately
                                                  Lithium battery. This allows the detection system       operate and the release to occur upon expiration
Features                                          to operate around-the-clock without use of              of the second delay. Additionally, the control
• FMRC Approved                                   external power. Optionally, external power can be       module can be field programmed, if it is so
• CE marked                                       connected to the control module. With external          desired, to shorten the second time delay when
• Self Contained – Internal 3.6 VDC               power connected, the internal power source              a manual actuation occurs. The time delay
  Power Source                                    provides battery back-up. When connected to             options associated with the manual actuation
• External 12/24 VDC Power Source                 an external 12/24 VDC supply with the internal          are 0, 10, 20, and 30 seconds, with the condition
  Connection Available                            battery also connected, the external power              that it can only be less than or equal to the
• Battery Back-up Available                       source becomes the primary supply, while the            time delay associated with the detection circuit.
• Power Fault Monitoring for Both Internal        internal source is maintained in a standby mode
  and External Power                              of operation. The control module may be installed       Selection of the second initiating circuit as a
• Euro-Style Terminal Block for Field             where the ambient temperature is between                pressure switch feedback circuit will result in
  Connections                                     –40°C to 60°C (–40°F to 140°F).                         the operation of the alarm relay and shutdown
• Two Part Enclosure Design Simplifies                                                                    relay, but will not operate the release circuit.
  Installation and Servicing                      Description                                             Additionally, a trouble condition will occur on the
• Environmentally Sealed Enclosure                The complete CHECKFIRE SC-N system is                   control module, indicating the need for service.
• Mounting Feet For Mounting To Any               composed of components which are combined
  Suitable Flat Surface                           to provide automatic fire detection and actuation.      The front panel contains a “DELAY” and “RESET”
• Microprocessor Based Circuitry                  The electric detection and actuation system is          button. Operation of the DELAY button will repeat
• Sealed, Membrane Push Button For Reset          designed for use with the Ansul fire suppression        the first time delay if initiated while time delay
  and Delay                                       systems that use pneumatic actuation as a               one is active. Once time delay two has started,
• Vibration and Shock Resistant Design            means of system actuation.                              operation of the DELAY switch has no affect.
• Electronic Circuitry That Meets The IEC                                                                 The DELAY button also serves the dual function
  Standards For Electromagnetic Compatibility     The first of two initiating circuit is the supervised   of silencing the auxiliary alarm relay, but is only
  in Heavy Industrial Environments                detection circuit designed to be connected to           effective for this function 30 seconds after
• Form “C” Relay Output Connection For Both       linear (wire) and/or spot type thermal detectors        release, or after pressure switch feedback
  Auxiliary Alarm and Shutdown Functions          that provide a contact closure input to initiate        operation has occurred.
• Normally Open Trouble Contacts Available        a fire detected condition. The second initiating
  for Remote Trouble Annunciation                 circuit is designed to accept a contact closure         The RESET button is used to re-initialize the
• Two Supervised Initiating Circuits – One For    type of actuating device such as a manual               control panel when depressed, it provides an
  Detection and One for Either Manual Electric    electric pull station input or a pressure switch to     indication that all LED’s and the sounder are
  Actuation or Pressure Switch Feedback           initiate the module when the system is actuated         functional. It is also used to upload the manual
• One Supervised Release Circuit                  with the pneumatic/manual actuator. The initiating      programming into the control module.
• Manually Field Programmable Circuits            circuits are low impedance and designed to
  (can optionally be PC programmed)               eliminate nuisance alarms associated with               The front panel also contains LED’s for visual
• History File to Record The Last 50 Alarm        contact bounce.                                         annunciation of alarm, trouble, release, and
  and Trouble Events                                                                                      power conditions.
• Built-in Diagnostic Function Identifies The     First Initiating Circuit
  Source Of Trouble                               Two field programmable time delays provide              EMI filtering is provided on all inputs, outputs,
• Programmable Time Delays (Alarm to              timing of shutdown and release functions                and power circuitry.
  Shutdown, Shutdown to Release)                  associated with the operation of the detection
                                                  and electric manual pull/pressure switch input
                                                                                                                              Data Sheet: Checkfire® SC-N




Construction                                         Operational environmental Specifications               Ordering information
The enclosure consists of a cover assembly           • Operating Temperature Rating: –40°C to 60°C          Part No. Shipping Assembly
and back box which is constructed of Noryl             (–40°F to 140°F)                                     423500 CHECKFIRE SC-N Electric
SE1GFN3 with a flammability rating of UL94           • Humidity: 24 Hours at 85% +/– 5%                     (423538 Detection and Actuation System
V-1. The back box contains the field interface         at 30°C (86°F)                                       ULC)     Includes: Control Module,
terminal block, battery, and field wiring entrance   • Shock: In accordance with UL1254                              Manual/Automatic Actuator,
ports. The cover assembly contains the control       • Vibration: In accordance with UL1254                          Mounting Bracket, Squib Cable
PC board assembly, sounder, operator interface       • Electromagnetic Compatibility: Meets EN                       Connector, LT-5-R Cartridge,
panel, and environmental seal. The enclosure           55011 and EN 50082-2 for heavy industrial                     1/4 in. Check Valve, Hardware
meets IEC 529 requirements for dust and water          environments                                                  Kit, Label Package, and Owners
spray in all directions. Mounting feet allow         • Moisture and Dust: Meets IEC 529 for direct                   Manual (Battery must be ordered
mounting to any suitable flat surface. Steel           water spray                                                   separately)
mounting brackets are also available.                                                                       71230    Linear Detection Wire, 180 °C
                                                     Sequence of operation                                           (356 °F), 100 ft. (30.5 m)
All circuitry, relays, switches, and LED’s are       Upon receiving an input signal from either a           71231    Linear detection Wire, 180 °C
contained on a single PC board. A board              shorted detection wire or a closed thermal                      (356 °F), 500 ft. (152.4 m)
mounted receptacle mates with the plug-in            detector, the following functions will be per-         416218 Spot Detector – 132 °C (270 °F)
terminal block mounted in the back box. A            formed automatically:                                  416219 Spot Detector – 163 °C (325 °F)
high pitch sounder is threaded into the cover                                                               416220 Spot Detector – 182 °C (360 °F)
and plugged into the PC board. The PC board          1. The Alarm LED will flash, the internal sounder      416213 Spot Detector Package (one
is encapsulated to provide added protection             will pulse at a rate of two times per second.                required per detector)
against moisture and dust. An RS232 connector           The alarm relay will transfer resulting in remote   416214 Spot Detector Cable Clamp
is provided for field programming from a PC             alarm operation, and the shutdown time delay                 Package (for use with protective
and for data retrieval from a trouble and alarm         begins. (The operator can repeat the shutdown                tubing) – one required for each
event history file. The PC board assembly               time delay if the DELAY button is pressed                    detector
contains a DIP switch for optional manual               before the shutdown time delay has expired).        416762 Spot Detector Cable Clamp
programming functions without the use of a PC.                                                                       Package (for use without protective
                                                     2. After the shutdown time delay has expired,                   tubing) – one required for
Internal connections                                    the Alarm LED pulse rate and the sounder                     each detector
The internal battery is connected to the PC             pulse rate will change to four times per sec-       416215    Flex Protective Tubing – 100 ft.
board via a single plug. The external power             ond. The shutdown relay will transfer result-                (30.5 m)
is connected to the field connection terminal           ing in equipment shutdown (when provided),          416221 Spot Detector Bracket – one
strip located in the back box.                          and the discharge time delay begins (when                    required for each detector
                                                        set).                                               416784 AMP Crimp Tool (required for
The field connection terminal strip located in                                                                       spot detector assembly)
the back box is a 16 position terminal block         3. After the discharge time delay has expired,         416113 Pneumatic/Linear Detector, 35 ft.
containing the following terminations:                  the control module release circuit operates,                 (10.7 m) (Model 808-DRV)
                                                        resulting in the fire suppression system            416216 Cable Assembly, 15 ft. (4.6 m)
Position         Circuit Description                    actuation.                                                   (for pneumatic/linear detector)
1                + External 12/24 VDC Power                                                                 416378 Mounting Clips Package for
2                – External 12/24 VDC Power          After system discharge, the Alarm LED and                       Pneumatic/Linear Detector
3                + Detection Input                   sounder will continue to pulse at a rate of 4                   Sensing Element (includes 100
4                – Detection Input                   times per second for 30 seconds. After that,                    clips)
5                + Manual Input                      it will switch to the trouble mode and pulse           417055 Wire, 200 °C, 18 AWG-2 w/Shield
6                – Manual Input                      once every 10 seconds.                                          and Drain Wire 500 ft. (152 m)
7                + Release Input                                                                            56691    Nylon Cable Ties (Pkg. of 20)
8                – Release Input                     If manual actuation is performed through               56692    Rubber Sleeves (Pkg. of 20)
9                Trouble Common                      operation of the manual input circuit, the first       71820    Splicing Device (for linear detection
10               Trouble N.O.                        time delay will be by-passed and either                         wire)
11               Alarm N.O.                          immediate release will occur or the second             419780 Power Wiring Assembly – 15 ft.
12               Alarm Common                        time delay will begin.                                          (connector on one end only)
13               Alarm N.C.                                                                                 419781 Power Wiring Assembly – 15 ft.
14               Shutdown N.O.                       If manual actuation is performed by operating                   (connector on both ends)
15               Shutdown Common                     the mechanical actuator, the fire suppression          419782 Power Wiring Assembly – 10 ft.
16               Shutdown N.C.                       system will immediately discharge. The shutdown                 (connector on both ends)
                                                     function will take place through the pressure          423520 Battery Shipping Assembly
                                                     switch circuit (if provided).                          419783 Battery Connection
                                                                                                            423541 Release Circuit Test Module
                                                     Approvals                                              423522 Operation and Maintenance
                                                     FMRC (JI0B8A8.AF). CE marked.                                   Manual



Ardent Limited
Unit 3, Becklands Close, Bar Lane, Roecliffe,        Tel: +44 (0)870 162 5400
Boroughbridge, N. Yorkshire,                         Fax: +44 (0)870 162 5410
United Kingdon Y051 9LS                              www.ardent-uk.com                                        ANSUL and CHECKFIRE are registered trademarks.

								
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