Vighnaharta GDS-24-2 User And Installation Manual Download Page 1 | Manualshive

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Gas Detection System GDS-24-2/4 User and Installation Manual

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GDS-24-2/4

U S E R A N D I N S T A L L A T I O N M A N U A L

Mfg. By:

Vighnaharta Technologies Pvt. Ltd.

2nd Floor,Karanjkar Estate,S.N.11/11,Nanded Gaon,Pune-411041
Contact no.: +919011033259 (Landline) Sales: +919011033260
Email: [email protected] | Website: http://www.vighnaharta.in

Vighnaharta Technologies Pvt. Ltd.

2nd Floor,Karanjkar Estate,
S.N.11/11,Nanded Gaon,
Pune-411041
Tel no.: +919011033259, Sales: +919011033260
Email: [email protected] | Website: http://www.vighnaharta.in

Prepared By: Rajesh C
Reviewed By: Shraddha K
Approved By: Nikhil K

Doc No.: GDS-24-2_4_UM_1_0
Rev. No.: 1_0
Eff. Date.: 23-May-2019

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Summary of Contents for GDS-24-2

Page 1: ...act no 919011033259 Landline Sales 919011033260 Email sales vighnaharta in Website http www vighnaharta in Vighnaharta Technologies Pvt Ltd 2nd Floor Karanjkar Estate S N 11 11 Nanded Gaon Pune 411041 Tel no 919011033259 Sales 919011033260 Email sales vighnaharta in Website http www vighnaharta in Prepared By Rajesh C Reviewed By Shraddha K Approved By Nikhil K Doc No GDS 24 2_4_UM_1_0 Rev No 1_0 ...

Page 2: ...Gas Detection System GDS 24 2 4 User and Installation Manual Page 2 of 30 This page is intentionally left blank ...

Page 3: ... 2 Mounting the Panel 13 2 3 Battery Installation 14 3 Panel Wiring 16 4 Field Wiring Diagram 19 4 1 Initiating Device Circuit IDC 19 4 2 Siren Circuit 20 4 3 Relay Outputs 20 4 4 Resettable 24VDC output 21 5 Maintenance 22 5 1 Walk Test 22 5 2 Servicing 22 5 2 1 Periodic inspection and test of system 22 5 3 Do s and Don ts 23 5 3 1 Do s 23 5 3 2 Don ts 24 6 System Programming 26 6 1 Menu Options ...

Page 4: ...GDS 24 4 10 Figure 5 Mounting details of GDS 24 2 13 Figure 6 Mounting details of GDS 24 4 14 Figure 7 Battery connections viewed from above 15 Figure 8 Internal Wiring of GDS 24 2 16 Figure 9 Internal Wiring of GDS 24 4 17 Figure 10 J2 J7 Pin out 17 Figure 11 J4 Pin out 18 Figure 12 J3 Pin out 18 Figure 13 J12 Pin out 18 Figure 14 GDS 24 2 4 Typical Zone Connections 19 Figure 15 Siren Typical Con...

Page 5: ...0 List of Tables Table 1 Technical Specifications of GDS 24 2 8 Table 2 Technical Specification of GDS 24 4 9 Table 3 Controls for GDS 24 2 4 11 Table 4 LED Indications for GDS 24 2 4 11 Table 5 CPU BOARD BOTTOM J2 AND J7 CONNECTIONS 18 Table 7 J3 J4 and J12 Connections 19 ...

Page 6: ...er and Installation Manual Page 6 of 30 Abbreviations GDS 24 2 4 Gas detection System with 2 4 Input Zones IDC Initiating Device Circuit NAC Notification Appliance Circuit ACK Acknowledge MCP Manual Call Point PFC Potential Free Contact ...

Page 7: ...st effective and is available in two variants 2 input zones and 4 input zones The panel includes a large 16 x 2 LCD display local buzzer LEDs for keypad for manual operation and configuration It is compatible with almost all makes of gas detectors and heat detectors with potential free outputs which continuously monitor for trouble and gas condition GDS 24 2 Gas detection panel 24V operated 2 inpu...

Page 8: ...attery low voltage 23 VDC and battery cut at 22 VDC Stand by battery backup up to 8 hrs 1 2 Technical Specifications of GDS 24 2 Power Supply 180 264VAC 47 63Hz DC Output Voltage 24 27 Volts DC 1 2 A max Battery Charging Voltage 27 Volts DC nominal Battery Charging Current 200mA max Battery Type For GDS 24 2 2 x 12VDC 1 2Ah Sealed Lead Acid Batteries Number of Gas Detection Zones 2 Available curre...

Page 9: ...ion Zones 4 Available current for Gas Detectors 1 8 Amp Display Large 16x2 character LCD Display Sounder Siren output rating one output 0 3 Amp Relay contacts and ratings Three Potential Free Relay Contacts 1 Fire 1 Valve Control 1 Fault 2A Max contact ratings Keypad 6 Keys Operating Temperature 0 C to 50 C Humidity 5 to 90 RH Storage Temperature 10 C to 70 C Dimensions GDS 24 4 440mm x 325mm x 10...

Page 10: ...al Page 10 of 30 1 4 Controls and Indications Figure 2 Controls Indications for GDS 24 2 Figure 3 Controls Indications for GDS 24 4 Figure 3 4 shows the controls and indications on the GDS 24 2 and GDS 24 4 The details of these are given in following sections ...

Page 11: ... key 5 Yes Reset the system OR Enter numeric values 5 during configuration OR Num Key 0 Yes Scroll Right OR Enter numeric values 0 during configuration Table 3 Controls for GDS 24 2 4 1 4 2 LED Indications No Indication LED Colour Description 1 System ON Green This indication shows system is Power ON 2 Mains Fail Yellow When Mains Fail Occurs ON 3 Battery Fault Yellow When Battery is Low OR Batter...

Page 12: ...enus so on The LCD is mainly used for different indications and for the programming of the panel listed as below Alarm Indications Fault Indications Zone modes View history events Panel Configuration setting Change user admin password 1 4 4 Buzzer Indication A buzzer provides separate and distinct sounds for Alarm Faults and Walk Test Alarm Continuous Buzzer ON Fault 1 sec ON and 5 sec OFF Walk Te...

Page 13: ...physical damage and damage by electrostatic discharges 4 It is advisable to wear a wrist strap designed to prevent the build up of static charges within the body before handling any electronic circuit boards 5 Never insert or remove boards or components with the power on 6 This system works at 0 C to 50 C and at a relative humidity of 90 RH However the useful life of the system s standby batteries...

Page 14: ...ing that the wall is flat at the chosen location The top fixing is a keyhole slot and fitting a screw here and hanging the box first will assist in marking the remaining fixing points 7 Screws or bolts of a minimum of 5mm diameter and 40mm long must be used to mount the enclosure in all three mounting positions 8 Ensure the enclosure and the inner parts of the panel are given sufficient protection...

Page 15: ...as Detection System GDS 24 2 4 User and Installation Manual Page 15 of 30 5 BATTERY CONNECTIONS SHOULD BE MADE ONLY AFTER APPLYING MAINS POWER TO THE PANEL Figure 6 Battery connections viewed from above ...

Page 16: ...nnections from the SSM241 2BC are also given to J2 3 MF and J2 4 G of CPU PCB respectively which is used for detection of AC fail Below figure shows the internal wiring diagram of the panel GDS 24 4 The AC Mains connections from external supply are given to PCB RASS_1052 Out of two output connections from PCB RASS_1052 one AC mains connection is given to Power Supply and another mains connection g...

Page 17: ...and from the panel are at the top as well as bottom of CPU PCB The pin out of J2 and J7 is given below Figure 9 J2 J7 Pin out Connector No Connection Name Description J2 1 V 24V DC from Power Supply J2 2 V GND from Power Supply J2 3 MF Mains Fail connection from power supply C connector J2 4 G Mains Fail connection from power supply E connector ...

Page 18: ...VDC 24V DC Output for detector supply J12 2 24VDC Ground J3 1 Zone 1 Positive connection for Zone 1 J3 2 Zone 1 Negative connection for Zone 1 J3 3 Zone 2 Positive connection for Zone 2 J3 4 Zone 2 Negative connection for Zone 2 J3 5 Zone 3 Positive connection for l Zone 3 J3 6 Zone 3 Negative connection for Zone 3 J3 7 Zone 4 Positive connection for Zone 4 J3 8 Zone 4 Negative connection for Zone...

Page 19: ... the field wiring connections for GDS 24 2 GDS 24 4 4 1 Initiating Device Circuit IDC No of Initiating circuit 2 4 Zone Type Class B Wire Size 1 5sqmm armoured FRLS cable Operating Voltage 24 VDC nominal max Connector J3 Monitoring Device 4 7 K Ω 1 W EOL Resistor to be connected in series with detector 820 Ω 1 W Figure 13 GDS 24 2 4 Typical Zone Connections Total available Current for connecting G...

Page 20: ...t RST There are three relay outputs with potential free contacts 1 Alarm Relay This relay is activated when the panel detects an alarm from the detectors connected to its zones 2 Valve Control Relay The 24V supply to the valve can be routed through the potential free contacts of this relay The valve control relay operation is configurable as Pulsed type or Latchable type through keypad In case of ...

Page 21: ...e relay will turn off and ON during reset This can be used to reset the supply or signal passed through this relay when the panel is reset 4 4 Resettable 24VDC output Figure 15 24VDC Resettable Supply The 24VDC Resettable Supply can provide up to 450mA of current to power the detectors from the panel This can power up to 8 detectors In case of more detectors need to be powered from the panel the F...

Page 22: ...cally and will come back to normal condition In this way multiple sensors in a single loop can be tested Note Repeat Walk test after every 3 months 5 2 Servicing Following are the servicing check list of GDS panel Maintenance servicing are required twice a year for each panel Sr No Check point or maintenance point OK Not OK Remark 1 Clean each Gas detector using soft cloth 2 Check panel operation ...

Page 23: ...ion and freedom from false alarms Every 4 years Replace sealed lead acid batteries If the operating temperature exceeds 25o C continuously then the battery may need to be replaced sooner Pre Check list for call Check mains supply of system Check supply voltage of panel Check panel operation on battery backup mode Check all Indicators are showing results as per action are taking place in the Panel ...

Page 24: ...tention to record keeping There are several different types of records that are important to maintain Every Gas Alarm System should have what is called a Record of Completion document that is maintained up to date with any and all system changes made over the life of the system Other important records include built drawings user manuals written sequence of operation and servicing charts 5 3 2 Don ...

Page 25: ...bility of your life safety and business continuity depends upon this person 5 DON T forget to consider the Gas system when your facility changes One thing is for certain your building will eventually change and each time it does the Facility Manager must not forget to evaluate the impact those changes will have on the Gas detection systems protecting the building Other types of Gas detection syste...

Page 26: ...nter in MENU function Factory default panel do not have any password If user enables Auto Key Lock function only that time panel will ask password Factory default password is 1111 To enter into Programming mode do following steps 1 Press MENU key it will ask for password If Auto Key Lock function is enable system will ask password 2 Enter FOUR digits numeric password 3 After entering the password ...

Page 27: ...t be configured as Walk Test mode If Gas alarm condition occurs then the system indicates as a WT ALARM If any zone is open then system indicates WT OPEN WT means Walk Test 3 DISABLE This mode is used to disable the zone The system does not scan the input signal from Gas detectors heat detectors etc Similar functioning is applicable to Zone 2 3 4 configurations 6 1 2 NAC After entering in the NAC ...

Page 28: ...y default it is set as a DISABLE Use LEFT and RIGHT keys to ENABLE DISABLE Auto Key Lock function After changing the mode press ENTER key to save the changes 6 3 Password Change This function is used to SET keypad password Without entering password user cannot enter the MENU function By default it is set as a 1111 If user want to change keypad password please follow below steps a Press ENTER key b...

Page 29: ...icate Zones in Alarm 2nd line indicates type of event occurred in system like Alarm or fault The zone Alarm status is visually indicated by respective zone Alarm LED Common Twin Alarm LED turns ON Internal buzzer produces steady sound for Alarm indication NAC turns ON till system silence or reset action is carried out by user OR till silence time is not completed The fixed Alarm output of the rela...

Page 30: ...is activated The system is able to recognise faults in Zone circuit NAC circuit Mains fail Battery Low cut etc The system faults are shown on LCD as shown below For example Fault Zone1 Open Fault NAC Open NAC Open FAULT 1 1 The System operation for the fault condition is given below LCD shows fault message Respective zone fault LED turns ON Fixed Fault output of the relay PFC Relay gets activated ...

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