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Z-AVT-1 (ALARM)
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Z-AVT-1 (ALARM)

Price per Unit (piece): R1 888 (including 15 % tax)

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DESCRIPTION

The compact ZAVT-1 module adds fail-safe operation to Zeitronix Zt-2 Wideband Systems. The ZAVT-1 contains a loud 95 dB rated buzzer and bright red LED for notifying the driver of a problem. Fail-safe operation is achieved using the optional relay to trigger a boost solenoid, methanol water injection or ignition cutoff.

The Zt-2 Wideband controller will monitor user set levels triggering the ZAVT-1 Warning/Trigger box and optional relay if one or a combination of values exceeds limits. Trigger a failsafe condition on any Zt-2 input including AFR, Boost, RPM, TPS, EGT, Oil/Fuel Pressure, Air/Water temperatures and more. Create a failsafe gauge/display with the Zt-2 controller watching both displayed values and any other connected sensors or inputs. This simple failsafe safeguard is a great way to protect your engine, hardware and time investment.

APPLICATIONS

Audio-visual warnings and the fail-safe trigger can be activated using any of the Zeitronix Zt-2 parameters. Each parameter has user settable levels which the Zt-2 controller will monitor.

Activation can occur through the following methods:

Simple Warnings:  One or more single parameters exceed limits.  
       Example: Boost greater than 7 psi or EGT greater than 1100 F

Complex Warnings: All parameters listed must exceed values.
       Example: AFR greater than 12.6 and RPM greater than 3500

Both "Simple" and "Complex" warnings may be used at the same time.

Parameter Monitoring:

  • AFR too rich     Detect AFR too rich (AFR below a given value).

  • AFR too lean    Detect AFR too lean (AFR above a given value).
    Note: A combination of AFR too rich and AFR too lean alarms can be used to tune for a specific AFR window.

  • Boost too high  Detect boost above a given value.

  • EGT too high    Detect EGT temperatures above a given value.

  • RPM too high   Detect RPM above a given value.
    NOTE: Create a simple shift-light or use with AFR to detect a lean condition during performance driving.

  • TPS too high    Detect TPS above a given value.

  • USER1 Input too high  Detect USER1 input above a given value.

  • USER1 Input too low    Detect USER1 input is lower than a given value.

  • USER2 Input too high  Detect USER2 input above a given value.

  • USER2 Input too low    Detect USER2 input is lower than a given value.
    NOTE: USER1 and USER2 may be connected to oil/fuel pressure sensors, an air temperature sensor, water/transmission/oil temperature sensor or other 0-5 volt output sensors.

INSTALLATION

PIN # ZAVT-1 WIRE COLOR CONNECTS TO FUNCTION
1 RED Zt-2 RED Switched +12V Power
2 BLACK Zt-2 BLACK Ground
3 BLUE Zt-2 WHITE/BLUE STRIPE Input
4 WHITE NEGATIVE SIDE OF RELAY Optional Relay Trigger

The Audio Visual Warning and Trigger Box alarm is activated by the Zeitronix Zt-2 Wideband AFR Meter. A single Warning Output wire (white with blue stripe) provides the warning/trigger/fail-safe signal and connects to the ZAVT-1 blue wire.

The audio part of the alarm can be deactivated by adjusting the switch SW1 inside the box. 
The visual alarm and a relay trigger are always active.

SOFTWARE SETUP

Open the Zeitronix Logging Software. Connect the Zt-2 Wideband AFR Meter into a PC COM port and power up the Zt-2. Make sure the log graphs are shown on the screen. Then open the Warnings and Triggers menu by selecting "Hardware" then "Warnings:: Setup..." or by pressing the 'w' key.

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Parameters can be selected for use in a Simple or a Complex Warning.
A Simple Warning will be triggered when any of selected parameters exceed preset warning levels.
A Complex Warning will be triggered when all selected parameters exceed preset warning levels.

In an example below a warning will be activated if the Boost exceeds 7 psi.
A warning will also be activated if the AFR mixture is leaner than 12.5 AND the RPM is greater than or equal to 6500.
 

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Many other warning combinations can be set by using the ZDL software.

The alarms are saved in the Zt-2 flash memory and kept after disconnecting a PC laptop or disrupting power.

Zt-2s manufactured after Jan 22 2007 have additional alarm duration feature, which keeps the alarm active after the alarm condition is removed. The alarm duration can be setup between 0-240 seconds.

The Zt-2 has a single warning output wire. Simple and complex warnings both activate the ZAVT-1 using this warning output wire.


OPTIONAL RELAY CONNECTION

The Zeitronix ZAVT-1 box is capable of triggering an optional relay at a preset warning level. Connect the ZAVT-1 WHITE wire ONLY to the negative side of the relay; otherwise, leave the WHITE wire unconnected and protected from accidental connection to any other signal.
Relay wire colors correspond to relays purchased from Zeitronix.

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COMPATIBILITY

ZAVT-1 is compatible with the Zt-2 Wideband AFR Meter REV 9 or higher. Zt-2s purchased after May 9 2006 are compatible and support Simple Warnings. Zt-2s purchased after September 1 2006 support both Simple and Complex Warnings. You can check the Zt-2 compatibility by accessing the warnings feature in the Zeitronix Data Logging Software Version 2.0.8 or higher. To do this open pen the Zeitronix Logging Software. Connect the Zt-2 Wideband AFR Meter into a PC COM port and power up the Zt-2. Make sure the log graphs are shown on the screen. Open the Warnings and Triggers menu (v2.0.18 or choose "warnings setup" from the "Hardware" menu in the version 3 software. The following message is displayed if an incompatible Zt-2 AFR Meter is detected. See the hardware compatibility pagefor information on a possible upgrade to support this feature.

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