Det-Tronics UD20 FlexVu Explosion-Proof Universal Display Unit - Manual (Page 2)

Table Of Contents
APPLICATION ........................................................................................1
DESCRIPTION .......................................................................................1
HART Communication .....................................................................2
Magnetic Switches ...........................................................................2
Device Enclosure .............................................................................2
Device Display .................................................................................2
Logging ............................................................................................2
Output Test .......................................................................................2
Real Time Clock ...............................................................................2
IMPORTANT SAFETY NOTES ...............................................................3
INSTALLATION .......................................................................................3
Identification of Vapor(s) to be Detected ..........................................3
Identification of Detector Mounting Locations ..................................3
Device Mounting Orientation ............................................................4
Sensor Separation ...........................................................................4
WIRING ..................................................................................................4
Power Supply Requirements ............................................................4
Wiring Cable Requirements .............................................................4
Wiring Procedure ..............................................................................4
CALIBRATION ........................................................................................6
General Calibration Information .......................................................6
Calibration Procedure .......................................................................7
Input Trim .........................................................................................7
SPECIFICATIONS ..................................................................................7
DEVICE REPAIR AND RETURN ......................................................... 10
ORDERING INFORMATION ................................................................ 10
APPENDIX A —HART COMMUNICATION .......................................... 11