Viking VFR400 Bedienungsanleitung

Manual #5403548 Rev. W

8/17

VFR-400 Releasing Control Panel

Installation, Operation, and

Instruction Manual

Releasing Panel

for Sprinkler

and Clean Agent

Systems

(All specications subject to revision.)

VFR-400 • 5403548 • REV W • 8/17

Table of ConTenTs

Operating Instructions Form.........................................................................................................................................4

Design Guidelines............................................................................................................................................................4

General Description ........................................................................................................................................................5

System Features...............................................................................................................................................................5

Options Refer to Appendix A of the manual for product data sheets..................................................................7

Specications......................................................................................................................................................7

VFR-400 Visual Indicators: Visible with Door Closed ......................................................................................7

LCD ....................................................................................................................................................................8

VFR-400 Visual Indicators ................................................................................................................................8

Control Buttons ..................................................................................................................................................8

Circuit Parameters..........................................................................................................................................................9

Initiating Device Zones ......................................................................................................................................9

Dedicated Supervisory Zones.............................................................................................................................9

Notication/Release Circuits..............................................................................................................................9

Low/Missing Battery ..........................................................................................................................................10

Input Power ........................................................................................................................................................10

Backup Power Requirements .............................................................................................................................10

Service Use.........................................................................................................................................................11

Listings & Approvals..........................................................................................................................................11

Terminals ............................................................................................................................................................11

Relay Outputs .....................................................................................................................................................11

Auxiliary Power..................................................................................................................................................11

Annunciator Connection.....................................................................................................................................11

CA2Z Module (Class A Initiating Device Circuit).............................................................................................11

ARM-44 (Auxiliary Relay Module) ..................................................................................................................... 11

CAM Module (Class A Indicating Appliance Circuit) .......................................................................................11

ARM-1/ARM-2 Module (Auxiliary Relay Module)..........................................................................................11

RA-4410RC (Remote Annunciator) ...................................................................................................................11

RCDS-1 (Release Circuit Disconnect Switch) ...................................................................................................11

Basic Operation...............................................................................................................................................................11

Initiating Device Circuits Alarm Condition .......................................................................................................12

Alarm .................................................................................................................................................................12

Low Air Alarm....................................................................................................................................................12

Supervisory.........................................................................................................................................................12

Trouble Conditions .............................................................................................................................................13

Notication Appliance/Releasing Circuits .........................................................................................................13

Loss Or Reduction Of AC Power .......................................................................................................................13

Notication Appliance/Releasing Circuits .........................................................................................................13

Low Battery Voltage...........................................................................................................................................14

Loss of Auxiliary Power Output.........................................................................................................................14

To Silence the Buzzer or Outputs That Have Been Described As Trouble or Supervisory Bell........................14

To Silence A Signaling Appliance...................................................................................................................................14

To Reset an Alarm or Supervisory Condition.....................................................................................................14

To Reset A Trouble Condition ............................................................................................................................14

Lamp Test ...........................................................................................................................................................14

Remote Annunciator Model RA-4410RC Operation...................................................................................................15

Basic Operation ..................................................................................................................................................15

Installation Instructions .................................................................................................................................................15

Mounting Instructions ........................................................................................................................................16

Wire Checkout.................................................................................................................................................................16

Battery Size Requirements And Maintenance..............................................................................................................17

Inactive Circuits..................................................................................................................................................17

Battery Size Calculations ...............................................................................................................................................17-19

Connection Procedure for Battery Charging Current and Voltage ...........................................................................18

Connection Drawing for Central Station and Remote Station Operation ................................................................18

VFR-400 • 5403548 • REV W • 8/17

Wire Routing for VFR-400.............................................................................................................................................20

NEC Section 760-54. Installation of Conductors and Equipment.............................................................................20

Test Procedure ....................................................................................................................................................23

Test Procedure (Canada).....................................................................................................................................23

Programming Mode Instructions ..................................................................................................................................24

Panel Visual Display .......................................................................................................................................................24

History ................................................................................................................................................................24

Date/Time ...........................................................................................................................................................24

Password.............................................................................................................................................................25

Zone Disabled/Enabled ......................................................................................................................................25

Output Enable/Disable........................................................................................................................................26

One Man Walktest ..............................................................................................................................................26

VFR-400 Standard Program Information/Wiring Diagrams.....................................................................................27-78

VFR-400 Custom Program Information/Water Based Extinguishing.......................................................................79-82

VFR-400 Custom Program Information/Water Based Extinguishing.......................................................................83-88

2-Wire Smoke Detector And Synchronization Module Compatibility Data .............................................................89

4-WIRE HEAT DETECTOR COMPATIBILITY IDENTIFIER “A” ......................................................................91

Viking Firecycle normally closed heat detectors..........................................................................................................91

4-Wire Smoke Detectors/Devices ...................................................................................................................................92

Appendix a: Product Datasheets of optional Equipment............................................................................................94

VFR-400 • 5403548 • REV W • 8/17

This is the safety alert system. It is used to alert you to potential personal injury hazards. Obey all safety messages

that follow this symbol to avoid possible injury or death.

OPERATING INSTRUCTIONS FORM

1. Fill in the name, address and telephone number of the servicing agency on the instruction sheet provided. Frame and place

the sheet adjacent to the control panel at eye level.

2. The following documentation shall be delivered to the owner or their representative upon nal acceptance of the system:

• An owner’s manual and installation instructions covering all system equipment.

• Wiring diagrams

• A detailed description of the programming and operating sequence of the system.

*Locate the panel and all system components in the following nominal environment:

*Indoor heated installation only, preferably an interior wall.

*Verify that the wire sizes are adequate for all initiating, notication, and release circuits.

*Make certain the panel is properly grounded.

*Remove all electronic assemblies prior to any drilling, ling, reaming, or punching of the enclosure. When possible make all cable

entries from the sides, bottom, or rear of the cabinet. Verify that they will not interfere with the batteries or other components.

*The panel and system must be tested and maintained in accordance with all local and national codes and ordinances.

Fire Alarm System Limitations

Smoke detectors may not detect smoke when the smoke does not reach the detector. Such as smoke within walls, on the other

side of walls, on other oors, behind closed doors, explosions, etc. Smoke detectors will not operate if they are not properly

connected to the re/release panel. The detectors and bases must be UL/ULC listed as being compatible with the panel. The

detectors have a visible ashing light that indicates power is supplied to the detectors.

Notication appliances may not alert people if the people are not able to hear or see the appliances such as if they are in separate

areas of the building or room.

A re alarm/release panel will not operate without electrical power. The panel must have sufcient backup battery capability to

power the panel for a specied amount of time in the event of an AC power failure. The batteries and release panel shall be tested

and maintained in accordance with the testing and maintenance requirements of NFPA72.

In order for emergency forces, (Fire departments, etc.), to respond to events associated with this panel, the panel must transmit

trouble, supervisory, and alarm signals to a monitoring facility either directly or through a main building re panel.

A problem in an audible or visual device may not be apparent when the panel is in a normal condition.

• The detection and suppression system employing this release panel must be designed by people trained and competent

in the design and layout of re alarm and/or suppression systems for special hazard locations. The system shall be designed

and installed in accordance with all local and national codes and ordinances as well as the approval of the Authority Having

Jurisdiction. Only trained, qualied and competent individuals should install, program and/or service the VFR-400.

Competent people would be aware of these warnings, limitations, and requirements.

• High voltage electrocution hazard. Do not handle live AC wiring or work on the device while ac power is active.

This manual is designed to help with the specication, installation, and programming of the VFR-400 release panel. It is

imperative that this manual be completely read and understood before the installation or programming of the panel. Save this

manual for future reference.

• Zones programmed as MANUAL RELEASE will override any cross zoning features. If it is desired to not have a manual

release override the cross zoning, program the zone as DETECTION and map accordingly. That detection zone shall have a

maximum 30 second pre-discharge time.

DESIGN GUIDELINES

People trained in the design of special hazard systems shall determine the selection and placement of the initiating devices and

notication appliances connected to the VFR-400. This responsible party shall also be familiar with the premises being protected.

The equipment shall be installed in accordance with the manufacturers instructions, the applicable version of NFPA 72 and all local

codes and ordinances. For systems employing cross zoning of two smoke detectors for the activation of the release circuit, this can

include but is not limited to the installation of photoelectric and ionization types of detectors on separate zones. One of each type

WARNING

CAUTION

VFR-400 • 5403548 • REV W • 8/17

of detector on separate zones shall be installed in the coverage area selected for a single detector (not to exceed 0.7 times the linear

spacing). The detectors would be installed in close proximity to each other.

The responsible party shall also determine the theory of operation regarding the programming sequence.

GENERAL DESCRIPTION

The model VFR-400 is a listed and approved, microprocessor based re control/releasing panel. It is primarily designed for use

as a releasing panel for pre-action, Surere®, Firecycle® III, and deluge, water based extinguishing systems. They may also be

used as stand alone re control panels. These units comply with NFPA 11, NFPA-13, NFPA-15, NFPA-16, NFPA-72, and NFPA-

750, 12, 12A, and 2001.

The VFR-400 complies with UL Standard 864, ULC S527, Canadian Electrical Code Part 1 C22.1, ULC S524, FM, CSFM,

NYMEA and is RoHS Compliant.

ADDITONAL INFORMATION

For Firecycle operation see Viking technical data sheet F_051304, F_051404 or F_051504.

For SureFire operation see Viking technical data sheet F_051604 or F_051704.

SYSTEM FEATURES

• Four Class B Initiating zones. Each initiating zone can be set up for any of the following:

· Alarm Zones

· Detection alarm zone

· Waterow

· Linear Heat Detection up to 700 ohms per zone.

· Manual Release

· Viking Firecycle Detectors (Zone 1 only)

· Supervisory Zones

· Supervisory

· Tamper

· Low Air Supervisory

· High Air

· Low Air Alarm

NOTE: Only zones programmed as Detection, Waterow, Linear Heat, Manual Release, Firecycle and Low

Air Alarm can be mapped to outputs programed as release.

NOTICE TO USERS, INSTALLERS, AUTHORITIES HAVING JURISDICTION, AND OTHER INVOLVED PARTIES

This product incorporates eld-programmable software. In order for the product to comply with the requirements in the Standard for Control Units and Accessories

for Fire Alarm Systems, UL 864, certain programming features or options must be limited to specic values or not used at all as indicated below.

Programmable Feature or Option Permitted in UL 864: Y/N Possible Settings Setting Permitted in UL 864

VFR-400 Panel Programs #6 - #9

Employing Firecycle Detector No Programs 1-24 Programs 1,2,3,4,5,10,11,12,20-24

VFR-400 Panel Program #13 - #15 No Programs 1-24 Programs 1,2,3,4,5,10,11,12,20-24

VFR-400 UK Panel Programs #17 - #19 No Programs 1-24 Programs 1,2,3,4,5,10,11,12,20-24

VFR-400 Panel Program #16 - Employing

Firecycle Detector No Programs 1-24 Programs 1,2,3,4,5,10,11,12,20-24

VFR-400 Panel Custom Programs - Employing

Firecycle Detector Selection No

Firecycle, Detection, Waterow,

Linear Heat Detection, Manual

Release.

Detection, Waterow, Linear Heat

Detection, Manual Release.

NY Abort (Mode 3) No Mode 1, 2, 3, or 4 Modes 1 and 2

30-Second Abort (Mode 4) No Mode 1, 2, 3, or 4

Abort on Pre-action or Deluge Systems No Supervisory, Tamper, Low air,

High Air, Abort

Supervisory, Tamper, Low Air, High

Air

VFR-400 • 5403548 • REV W • 8/17

• Remote Annunciator Output for connection to RA-4410RC:

· RS-485 communication, (2-wire shielded cable required)

· Regulated 24VDC annunciator power

• Two Supervisory Zones, Class B. These zones can be set up for any of the following:

· Supervisory

· Tamper

· Low Air Supervisory

· High Air

· * Abort (Supervisory zone 1 only)

NOTE: * Abort on a water-based extinguishing system is not a UL Listed function.

• Four Class B Output circuits. Each output can be set up for any of the following:

· Notication Appliance circuit

· Releasing circuit

· Supervisory Bell circuit

· Trouble Bell circuit

· One Abort Circuit (Available in Chemical Mode only) Programmable for four different operating modes

· ULI – Stops the pre-discharge timer at 10 seconds

· IRI – Abort must be activated before the second alarm is received

· NYC (not UL listed) A one time operation that adds 90 seconds to the remaining predischarge time

· * 30 Second Abort (stops or reverts the pre-discharge timer at 30 seconds)

NOTE: * Not a UL Listed function

· Nineteen Standard Programs for water based systems or custom program capability

· Five Standard Programs for Chemical based systems or custom program capability

· User selectable between Water Based or Chemical Extinguishing

· Releasing Zones can be set up for either normal or cross zoning operation

· All circuits inherently power limited per NEC 760 and UL 864 Section 14.4

· Initiating Circuit Disable feature

· Output Disable feature*

· One-Man Walktest feature with automatic 30 minute restoration and releasing circuit disable

· Class B Abort circuit available in Chemical mode. Three Abort modes available

· Pre-Discharge timer from 0-60 seconds available in Chemical mode only

· Manual Release 0-30 seconds predischarge timer in Chemical Mode only

· Notication Appliance Circuits can be programmed to operate upon 1st or 2nd alarm in Chemical Mode for pre-discharge signal

· Diagnostic Indicators

· Signal Silence button

· Manual Event scroll buttons

· Automatic resound of silenced Alarm/Trouble/Supervisory signals after 24 hours

· Built-in Trouble buzzer

· Common Relay Contacts for Alarm/Trouble/Supervisory/Waterow

· 32 Character Liquid Crystal Display (LCD)

· 34 LED Display

· AC, Alarm, Supervisory, Trouble, Alarm silenced LED's (Pre-discharge/discharge LED)

· User Generated Banner Message

· User Generated Zone Labeling

· 24 or 90 hour Battery Standby available (Where required by FM and Others)

· 24 Hour Clock

· Password Protection

Abort does not function and has no effect on panel operation from zones programmed as MANUAL

RELEASE. Zones programmed as DETECTION containing manual release stations shall not be a part of a

cross zone function and shall have a maximum 30 second pre-discharge time delay.

*NFPA 72 prohibits the use of a software disconnect for RELEASE CIRCUITS. A physical means of disconnecting a

RELEASE CIRCUIT shall be used, such as the Potter RCDS-1.

CAUTION

WARNING

VFR-400 • 5403548 • REV W • 8/17

Specications

VFR-400 HOUSING

Type - 18 gauge sheet steel with hinged, removable, locked door

Size - 18 1/2" x 14 5/8" x 4 3/4"

Finish - red cabinet with logo.

Knockouts - 4 - ½" and 2 - ¾" on top; 1 - ½" and 1 - ¾" each side; 2 - ½" and 1 - ¾" back

VFR-400 Visual Indicators: Visible with Door Closed

AC LED - Green

Signal Silenced - Amber

System Alarm LED - Red

System Supervisory LED- Amber

System Trouble LED - Amber

Pre-discharge/Discharge LED - Red

32 Character Alpha-Numeric Liquid Crystal Display (LCD)

Red alarm per zone

Amber trouble LED per zone

Common required systems status LED's

This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance with the

instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits

for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable

protection against such interference when operated in a commercial environment. Operation of this equipment in a residential

area is likely to cause interference in which case the user at his own expense will be required to take whatever measures may

be required to correct the interference.

· Remote annunciator output

· Resettable 4-wire smoke detector power

Options Refer to Appendix A of the manual for product data sheets.

1. CAM - Module to convert one Class B Indicating Appliance Circuit to one Class A circuit.

2. CA2Z - Module to convert two Class B Initiating Device Circuits to two Class A circuits.

3. ARM-1 - Module to provide non-supervised 4PDT Relay designed to be activated by 24VDC Indicating and/or Releasing,

polarity reversing circuits.

4. ARM-2 - Module to provide two Form C contacts activated by Indicating or Releasing, polarity reversing circuits

5. ARM-44 - Module to provide 8 independent Form C relay outputs. Contact manufacture for data sheet 5401202.

6. RA-4410RC – Remote annunciator provides 34 LED’s for each zone in alarm supervisory or trouble, each output activated

or in trouble, Power On, Power trouble, System trouble, Earth fault, Supervisory, Supervisory trouble, Alarm, Signal Silence

and Pre-discharge/Discharge. The RA-4410RC can be mounted in a 4 gang electrical box or use a surface mount back box

such as the BB-RA-44R. Contact manufacture for data sheet 5401175.

WARNING

VFR-400 • 5403548 • REV W • 8/17

LCD

A 2 line 32 character alpha-numeric liquid crystal display shows the condition, status and circuit for all

Alarm, Supervisory and Trouble conditions:

CONDITION STATUS CIRCUIT

Alarm <user Dened Message> (Up To 10 Characters)

Trouble Disabled Output #1

Supervisory Acknowledged Output #2

Tamper Silenced Output #3

Low Air Output #4

High Air Battery

A.C.

Pre-discharging Supervisory

Releasing Zone #1

Released Zone #2

Zone #3

Zone #4

Ground

VFR-400 Visual Indicators

In accordance with ULC S527 option B:

LED Annunciator Module

Red LED’s: Initiating Device Circuits Active (4),

Notication/Release Circuits Active (4)

Pre-Discharge/Discharge

Common Alarm (1)

Green LED: POWER ON

Yellow LED’s: Initiating Device Circuits Troubles (4),

Output Circuits Troubles (4)

Supervisory Initiating Zone (4)

Supervisory Bell Output Active (4)

(1) each: Supervisory 1/Abort: Supervisory 2, Power Trouble, Supervisory/Abort Trouble, System Trouble,

Earth Fault, Signal Silenced

CONDITION STATUS LED State

Trouble Non-Silenced Flashing

Trouble Silenced Steady ON

Alarm Non-Silenced Flashing

Alarm Silenced Steady ON

Supervisory Non-Silenced Flashing

Supervisory Silenced Steady ON

Pre-discharge Flashing

Discharging Steady ON

Control Buttons

• Signal Silence - Momentary, silences signaling circuits, (except those activated by zones programmed as WATERFLOW)

• System Reset - Momentary, resets all alarm circuits if condition has been corrected, removes power from initiating device cir-

cuits.

• Scroll Up - Scrolls LCD display to most recent events

• Scroll Down - Scrolls LCD display to previous event

• Alarm Signal Activation - Simultaneous press SCROLL-UP and SIGNAL SILENCE to sound or re-sound the Alarm

indicators.

• Releasing Service Signal Silence - Simultaneous press SCROLL-DOWN and SIGNAL SILENCE to Silence Outputs

designated as 2nd Alarm.

NOTE: TBL/SUP ACKNOWLEDGE is accomplished by scrolling through all events.

VFR-400 • 5403548 • REV W • 8/17

CIRCUIT PARAMETERS

All voltages regulated DC

Initiating Device Zones

For connection of dry contact initiating devices and compatible 2 wire smoke detectors. (All values nominal)

• 4 Class B (Class A module available)*

• Power limited, current limited to protect 2 wire smoke detectors

• Maximum 2 wire 24VDC smoke detector load per zone - 2.5 ma (Use only detectors that are listed in compatibility list.)

• Maximum Line resistance - 100 ohms (Except linear heat detection cable, 700 ohms per zone)

• End-of-Line Resistance - 5.1K ohms

• Normal standby current - approximately 4.0 mA

• Standby voltage - 25VDC maximum, 13.4 minimum

• Maximum short circuit current - approximately 36mA

• Maximum Impedance for Alarm - 1400 ohms

• Normal supervisory current - approximately 4mA

• Low current trouble activation - approximately 3.3mA

• Alarm activation current - approximately 10mA

• Ripple voltage - .4 VDC

• Maximum operating voltage range: 22.5 - 25.9V DC

• Frequency - continuous

* In programs 6-9, Zone 1 is a normally closed zone for Firecycle® Detectors

Dedicated Supervisory Zones

• For dry contact supervisory devices such as tamper, low air, or high air switches

• 2 Class B circuit, latching or non-latching

• Power limited, current limited

• End-of-Line resistance - 5.1K ohms

• Ripple Voltage - .1 VDC

• Frequency - continuous

• Maximum voltage - 25VDC

• Maximum short circuit current - approximately 36mA

• Maximum line resistance - 100 ohms

• Normal supervisory current - approximately 4mA

• Low current trouble activation - approximately 3.3mA

• Supervisory current condition - approximately 10mA

(Does not include power for any auxiliary devices)

Notication/Release Circuits

The indicating circuits of the VFR-400 are Non-coded. This allows the use of visual and audible appliances on the same circuit.

If temporal notication appliances are required for evacuation, selectable tone appliances shall be used.

The notication outputs do not provide synchronization. The notication appliances shall be compatible with the sync module

selected. The sync module shall be installed as per manufacturers instructions. Synchronization is limited to only one circuit and

not between circuits. Systems intended for the release of Halon 1301 as described in NFPA 12A, or clean agents as described in

NFPA 2001, shall have provision for a pre-discharge notication circuit. If the signal is required to be separate and/or distinct

from the evacuation signal, two notication circuits are required. One shall be programmed as FIRST ALARM. It will provide

a steady output upon activation of any initiating zone programmed as an alarm zone. This is the evacuation signal. If a temporal

signal is required, notication appliances that can produce a temporal tone shall be used. This allows the use of strobes and horns

on the same circuit. The other notication circuit shall be programmed as SECOND ALARM. It will provide a steady output upon

activation of a second initiating zone programmed as an alarm zone. This is when the pre-discharge timer would start and would

be the pre-discharge signal. If a temporal or other type of signal is required, notication appliances shall be used. This allows the

use of strobes and horns on the same circuit. If a separate signal for discharge were required, a third notication circuit would be

used that would be programmed to operate whenever the release circuit is activated.

Zones programmed as MANUAL RELEASE will activate outputs programmed as SECOND ALARM, even if the MANUAL

RELEASE zone is the rst alarm zone activated. SECOND ALARM is intended to be used as a pre-discharge signal for cross

zone applications. Refer to page 60 for a complete description of rst and second alarm requirements and operation.

• 4 Class B (Class A module available for notication)

VFR-400 • 5403548 • REV W • 8/17

• Reverse polarity upon activation

• Power limited, Current limited

• Outputs identied as Release are Special Application. All other outputs are Regulated 24 VDC, rated 1 Amp each, 2.5 Amp

total for all circuits.

• End-of-Line-Resistor - 5.1k ohms

• Frequency - continuous

• Maximum voltage - 27 VDC

• Ripple voltage - .3 VDC

• Maximum impedance: 3 divided by NAC current draw

• Maximum resistance for outputs programmed as RELEASING:

1 divided by the current draw of the solenoid when activated

• Normal standy supervisory current - approximately .38mA

• Low current trouble activation - .11mA

• High current trouble activation - .63ma

Release Abort Circuit

• Available chemical mode only

• 1 momentary non-latching Class B circuit

• Power limited, current limited

• Maximum loop resistance - 100 ohms

• End-of-Line-resistance - 5.1k ohms

• Frequency - continuous

• Normal supervisory current - approximately 4mA

• Low current trouble activation - approximately 3.3mA

• Abort current condition - approximately 10mA

• Maximum voltage - 23VDC

NOTE: Mode 3 is not UL Listed

Mode 1 – (ULI) Activation of the abort circuit stops the pre-discharge timer at 10 seconds. If there is less than 10 seconds

remaining, the time goes back to 10 seconds. Releasing the abort switch starts the timer at 10 seconds.

Mode 2 – (IRI) Operates the same as the ULI mode except the abort circuit only functions if the abort button is pressed before the

second alarm is received by the panel. The panel must be programmed for cross zoning for the IRI mode to function.

Mode 3 – (NYC) This mode is not UL listed. Activation of the abort circuit during the pre-discharge countdown adds 90 seconds

to the original pre-discharge time. This is a one-time feature. Repeated pressing of the abort button has no effect. The

pre-discharge timer resumes when the abort button is released.

Mode 4 – (30-Second Abort) This mode is not UL listed. Activation of the abort circuit stops the pre-discharge timer at 30

seconds. If there is elss than 30 seconds remaining, the timer goes back to 30 seconds. Releasing the abort switch starts

the timer at 30 seconds.

Low/Missing Battery

Causes battery and system trouble if battery falls below 22 volts. Battery circuit is fused and reverse polarity protection is provided.

Input Power

• Universal Input 120VAC, (60 Hz, 165VA) or 220VAC, (50 Hz, 185VA) 15 Amp Branch Line overcurrent protection required

• Power On indicator on LED annunciator module is extinguished on AC power loss (supervised)

• System trouble is also generated if voltage drops below 102V

Backup Power Requirements

• VFR-400 - Standby 121 mA, alarm 274 mA at 24VDC

Zones programmed as Manual Release cannot be aborted. If it is necessary to abort a manual station zone, program that zone as

Detection. Zones programmed as DETECTION containing manual release stations shall not be a part of a cross zone function

and shall have a maximum 30 second pre-discharge time delay.

If the pre-discharge timer is set at 0 the abort circuit will not stop the release circuit.

NFPA 12 prohibits the use of abort circuits on Suppression Systems employing carbon dioxide.

CAUTION

Andere Handbücher für VFR400

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