KYORITSU 5406A - TESTING

 17 
6.3. TESTING
(1)SettheTESTFUNCTION
・NOTRIPTEST..............×1/2:Maxtime1000ms
・TRIPTEST.....................×1:Maxtime1000ms
・FASTTRIPTEST..........×5:Maxtime200ms
・DCTEST........................DCTEST:Maxtime1000ms
・AUTORAMPTEST......AutoRampTEST(
)
   :20%〜110% of the Rated Tripping
Current(I⊿n).
   Maxtime300ms×10.
(2)PresstheTESTBUTTON
・NOTRIPTEST..............The breaker should not trip.
・TRIPTEST....................The breaker should trip.
・FASTTRIPTEST..........The breaker should trip.
・DCTEST........................The breaker should trip.
・AUTORAMPTEST.......The breaker should trip. Check Trip out
CurrentandTripoutTimeatmeasuredtrip
outcurrent.
(3)Pressthe0°/180°switchtochangethephaseandrepeatstep(2).
(4)Changethephaseagainandrepeatstep(2).
●BesuretoreturnthetestedRCDtotheoriginalconditionafterthetest.

 WARNING
● Ifthevoltagebetweenphaseandearthexceedsapprox.260V,
"VL-PE"isshownontheLCDwhenthetestbuttonispressed,
andthemeasurementishalted.Disconnecttheinstrumentfrom
the mains supply and check the voltage between phase and
earthif"VL-PEHi"isindicated.
● Iftheoverheatsymbolappearsonthedisplay(
)disconnect
theinstrumentfromthemainssupplyandallowtocooldown.
● When makinga testwith therange largerthan theRCD rated
trippingcurrentorwhenwiringisnotcorrect,itcanhappenthat
RCDtripsand"no"isshownonthedisplay.
● When the Uf voltage rises to UL value or greater, the
measurement is automatically suspended and "Uf Hi" is
displayedontheLCD.
MAKE SURE TO KEEP CLEAR OF EARTHED METAL DURING THE
OPERATIONOFTHESETESTS.