Guardall V12AM - Security Sensor Installation Manual

Overview

Connector Block

Note: If internal EOL resistors in use connect the loop to terminals 3 and 10

Switches

No.	Function	FACTORY DEFAULTS
1	LED Enable
2	Pulse Count
3	PIR Gain 1
4	PIR Gain 2
5	HS EOL1
6	HS EOL2
7	Mode
8	AM Sensitivity
9	AM On/Off
10	Not Used

Knockout Holes:

1. Corner mounted
2. Flush mounted
3. Wall mounted using LPB2 brackets

For the off-the-wall tamper to be operational, screw must be fitted in either A* or B*

Coverage Diagrams

Initial Installation

The V12AM is designed to tolerate a wide range of environments, however, the normal professional installation guidelines should be followed:

1. Avoid the main false alarm sources:

• Sunlight shining directly onto the detector,
• Heat sources within a zone,
• Strong air draughts onto the detector.
  Mount the detector on a stable surface which is not subject to vibration. Large objects placed in front of the detector will cause significant changes in coverage.

2. Preparation & Mounting
   • Loosen the cover screw and remove the front cover. Grip the PCB at the connector block and pull forward while easing the retaining clips apart. Lift the module clear from the clips on the rear moulding.
   • Decide on the mounting position and cable routing. The recommended mounting height is 2.3 m (7ft 6in). If required by the application, the detector can be mounted at other heights and the lens adjusted accordingly (see Checking V12AM Coverage section (d).
   • Push out cable entry and appropriate mounting hole knock-outs (A for corner, B for flush mounting, C for low profile bracket).
   • Fit the rear moulding to the wall.
3. Wiring
   • Run cables through the cable entry hole.
   • Holding it by the connector block, fit the PCB into the rear moulding by inserting it into the lower retaining clips and clicking firmly into position.
   • Connect the wires to the PCB terminal block.
   • Guardall standard EOL resistors (8K2) can be enabled by setting switches 5 and 6 ON. For NEOL applications or operations with other resistor values, switch 5 and 6 OFF. Connect EOL loop between terminals 3 and 10 of the connector block.
     
     
   • Do not re-fit front cover at this stage.

Pulse Count

The Pulse Count setting is factory enabled (switch 2 ON). The first detection will cause a short LED flash (if enabled, see section 5c). A second detection within 25 seconds is required to generate a unit alarm. If it is required that every detection generates a unit alarm then the Pulse Count setting should be disabled (switch 2 OFF).

PIR Gain

The Guardall V12AM is set for a detection area of 15m x 15m. To decrease the range to 10m x 10m BOTH switches 3 AND 4 must be moved to the 10m setting. The normal coverage instructions should also be followed.

Checking V12AM Coverage

Note that there will be a short delay (about 1 second) between movement and a unit alarm being generated while the V12AM validates the intruder signature.
Proceed with coverage checks as follows:

1. Check the Anti-Mask is disabled (switch 9 OFF).
2. Ensure that the voltage at terminals 1 and 2 is between 9 V and 16 V dc.
3. Enable the LED by ensuring switch 1 is set ON (as supplied) or by taking the Test Input high. Note the Control Input must be low.
4. Adjust the coverage: The declination of the zones can be adjusted vertically by loosening the main lens locking screws and moving the main lens. Declination of the zones is indicated on the module as follows:
   1. Main zones horizontal
   2. Normal position to give maximum range of 15m at 2.3 m (7ft 6in) mounting height.
   3. Main zones fully declined to give approximately 6 m (20ft) range at 2.3 m (7ft 6in) mounting height.
      The horizontal coverage can be adjusted when corner mounted by loosening the wall mounting screws and adjusting the unit as required.
5. Tighten main lens screws, then walk test the protected area checking that alarms are indicated at the control panel. Finally fit the front cover and tighten the cover screw if not using Anti-Mask.

Alarm Memory

This feature can be used provided switch 1 is OFF. Connect an output from the control panel to the V12AM Control Input with the following characteristics:

• System Set - Control Input High
• System Unset - Control Input Low.

Should an alarm occur when the system is set, the LED will not illuminate but the alarm will be memorised. When the system is subsequently unset, the LED will light constantly until the memory is reset. If the Test Input is high, the LED will not light continuously, but the detector can be walk tested normally without losing its alarm memory. Memory reset occurs the next time the system is set (Control Input High).
Note that the state of the Control Input also effects the operation of Anti-Mask and the unit's self diagnostic tests.

Anti-Mask (AM)

To enable the AM function of the V12AM set switch 9 ON.
AM sensitivity settings (switch 8):

1. Standard sensitivity:
   Switch 8 ON (as supplied) is suitable for most applications.
2. High sensitivity:
   Switch 8 OFF is recommended for higher security applications.

Modes of operation (switch 7):

1. Standard mode (switch 7 ON as supplied): The Auxiliary Output will be activated after 45 seconds of a continuous mask condition. The mask will be shown on the LED, if it is enabled. This can be reset by a unit alarm after 3 seconds provided the mask has been removed.

Guardall Limited
Lochend Industrial Estate
Newbridge
Edinburgh EH28 8PL
Technical Hotline: 0131-333-3802
Website: www.guardall.co.uk

Documents / Resources

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