Tomar 4090 Series Installation And Wiring Download Page 1

  

IS0608-00 

  

06-25-15 

 

 

 

 

TOMAR Electronics, Inc 

2100 W. Obispo Ave.  Gilbert, AZ  85233 USA 

800-338-3133   www.tomar.com 

 

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4090 SERIES AND DETOC SERIES  

DETECTOR INSTALLATION AND WIRING 

 

ENSURE THAT ALL POWER SOURCES ARE DISCONNECTED FROM THE CABINET END 
OF THE M913 CABLE BEFORE INSTALLATION OF THE DETECTORS. 

 

INSTALLATION 

The 4090/DETOC series detector is equipped with a 3/4” female NPT threaded base for mounting and an 
internal terminal block for wiring termination. Any mounting that is stable and allows the M913 detector 
cable to enter through base can be used. 

The Strobecom II system and the 4090/DETOC detectors use electronic methods for range control. For 
maximum range setting flexibility the detectors should be mounted with the sight tube(s) parallel to the 
slope of the roadway approach.  

Final tilt/swivel adjustments in each detector head alignment may be done via an adjustable ball joint. 
Loosen the ring holding the ball joint to adjust the direction of the detector. When the desired position is 
obtained, finger-tighten the ring holding the ball joint. DO NOT over-tighten or use a tool to tighten as this 
may damage the holding mechanism. 

 

WIRING

 

Remove the 4 screws securing the top of the detector unit to gain access to the internal terminal block. 
Connect the orange, blue, yellow, and drain wires of the M913 detector cable per the label inside the 
detector. To insure proper operation, the bare drain wire must be connected to the proper connector 
inside the unit. The terminal block is equipped with wire clamping screws and no lugs or other connectors 
are necessary.  

The 4090/DETOC series are fully protected from damage due to miswiring. However, system startup 
problems due to miswired heads can be difficult and expensive to troubleshoot. Double-check the wiring. 
Then secure the top of the 4090/DETOC to the base using the 4 screws removed earlier. DO NOT over-
tighten the screws as the base may be damaged. 

 

 

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