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Danfoss DEVItector II V2, User Manual

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Danfoss DEVItector II V2 User Manual Download Page 25

DEVItector™ II V2

User Guide

BC421332622232en-010101

2022.07 | FEC | ©Danfoss | 25

Fig. 25

: Step 3: Trace the area around the marks of step 2. (shown as yellow areas around marks X).

Fig. 26

: An alternative tracing direction along lanes marked 

 will result in the same search area marked 

.

Summary of Contents for DEVItector II V2

Page 1: ...Intelligent solutions with lasting effect Visit devi com User Guide DEVItector II V2 Tracing and correcting faults in electric heating cable systems...

Page 2: ...ety markings 8 User Interface of Magnetic tracer on crutch 9 User interface of Magnetic tracer Hand held 9 Tracers safety 9 6 Menus of DEVItector II V2 10 7 Troubleshooting a heating system installati...

Page 3: ...protection provided by the equipment may be impaired Warning against operation when wet or in wet conditions IP class of each part of DEVItector ll V2 is 20 IP First number protection against solid o...

Page 4: ...oubleshooting process Tracing hidden heating cables Locating a fault within a few centimeters An installed and faulty heating cable is shown on Fig 1 It is most likely that you do not know the layout...

Page 5: ...rates a magnetic field around the conductors from the burner terminals along the cable to the fault location Tracer The tracer is a magnetic sensor which is an open transformer comprising a ferromagne...

Page 6: ...and a type conforming to German standards Schuco type Note The main supply cord and main plug must comply with national regulations 4 Two identical mechanical keys to lock unlock the mains supply with...

Page 7: ...switch A backlit button to turn ON OFF the mains supply Also the Safety Key must be engaged to operate the HVU 3 Safety Key Lock Must be engaged to enable the mains supply Insert key not shown and tur...

Page 8: ...ating cables while these cables and their accessories are disconnected from the mains supply or from building installation WARNING Hazardous live voltage on terminals Keep hands away from terminals an...

Page 9: ...counterclockwise to decrease amplification Offset The regulator zero balance allows in some cases to compensate for induction of a signal reflected by the pointer indicator Volume Controls the acoust...

Page 10: ...VU How to navigate is explained on the pages below Fig 15 Start Menu displayed during initialization after power on After initialization the Main Menu is displayed The menu has no user interaction The...

Page 11: ...hlighted the arrow is not shown on the display The character indicates a digit e g A representing 1 23A Please note that the Burn Run display depends on whether you press the Safety Button or not Safe...

Page 12: ...the display 4 From the power on menu press the knob dial once 5 The main menu will appear in the display Start Menu After power on the controller software initializes itself and reports the progress i...

Page 13: ...ob to select menu item Trace 2 Press the knob once to enter the tracing menu 3 Select a proper value of the tracing voltage Setup menu 1 From the main menu turn the knob to select menu item Setup 2 Pr...

Page 14: ...step 5 4 Repair or replace the controller thermostat 5 Check the output of the controller thermostat If it is missing continue with step 4 6 If no faults appeared in the above tests the heating eleme...

Page 15: ...les Note Only heating cables with two or more conductors can be handled by the DEVItector The tracing prin ciple is based on an electrical return path within the heating cable So keep in mind that Sin...

Page 16: ...n combination of heating cable and type of fault Cable Fault Disruption of Short circuit between Screen Conductor L or N Screen and Conductor Conductors L and N Single conductor with screen Will not s...

Page 17: ...creen The carbon bridge is then used for tracing In case of a single conductor 1 the burning is straight forward In case of a twin conductor 2 one of two situations may occur 2A The carbon bridge conn...

Page 18: ...tracing No burning is required unless the short circuit is unstable Fault no 4 Screen conductor short circuit The resistance of the heating cable is OK It is possible to measure a finite resistance b...

Page 19: ...nfinite or too high resistance The insulation resistance also shows a fault and it is possible to measure a finite resistance between conductor and screen In this case the connection between conductor...

Page 20: ...n overload protection modes Burning mode A software controlled reversible thermofuse monitors two power resistors If their temperature exceeds 75 C the display will show the message Power Resistors Ov...

Page 21: ...nt 12 Select menu DC and activate highlight the circular indicator in the display The role of the DC current is to form the carbon bridge 13 Select Start and activate by pressing and releasing the kno...

Page 22: ...along the cable keeping track by means of the readout of the meter It is important always to keep the tracer lengthwise to the cable If the tracer is turned 90 in relation to the cable the read out w...

Page 23: ...nnection you will thus have found it quickly If it does not then proceed to Step 2 Step 2 Trace the floor along parallel lanes as shown on Fig 24 starting at the cold tail It doesn t matter which dire...

Page 24: ...2622232en 010101 24 Danfoss FEC 2022 07 Fig 23 Step 1 Sketch showing a room having two heating elements of which only one is faulty Fig 24 Step 2 Trace the floor along parallel lanes a distance D 50 c...

Page 25: ...2622232en 010101 2022 07 FEC Danfoss 25 Fig 25 Step 3 Trace the area around the marks of step 2 shown as yellow areas around marks X Fig 26 An alternative tracing direction along lanes marked will res...

Page 26: ...You will have to rely on acoustic localization d Unable to burn a carbon bridge this may be the case for a cable having silicone as primary insulation You will have to rely on acoustic localization Co...

Page 27: ...acoustic signal The amplitude indicates the proximity to the heating cable Connection coupling The electric connection between the conductive cold and resistive warm parts of a complete heating cable...

Page 28: ...Voltage Pulses 1 3 pulses sec Tracing Mode Trace Frequency 1 8 kHz Tracing Voltages No load 5 10 15 20 25 30 35 40 V RMS Short Circuit Currents 80 160 240 320 400 480 560 640 mA RMS Measuring Readout...

Page 29: ...by Intertek according to EN IEC 61010 1 with amendments EN IEC 61010 2 030 with amendments and EN IEC 61326 1 with amendments Environment For HVU tracer mode indoor and outdoor use Temperature range...

Page 30: ...thout undue delay and proof of purchase is provided Please note that the WARRANTY CERTIFICATE must be filled in stamped and signed by the authorized installer performing the installation Installation...

Page 31: ...ector II V2 As a holder and or user of a DEVItector II V2 I accept the responsibility for the devitector units and I am aware of possible consequences which may result from its use As a holder and or...

Page 32: ...08091600 BC421332622232en 010101 Danfoss FEC 2022 07 32 DEVItector II V2 User Guide Danfoss A S Nordborgvej 81 6430 Nordborg Syddanmark Denmark...

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