Operation Manual

OmegaGTPlus / BetaGTPlus Measurements
68
false parameter is noticed during the RCD autotest, then individual parameter test has
to be used for further investigation.
RCD auto test menu
RCD autotest procedure
RCD Autotest steps Notes
Ì Select the RCD test function.
Ì Set Auto test mode.
Ì Select rated I
ΔN
(if necessary).
Ì Connect tested device to the test socket of the
instrument (see figures above).
Ì Connect test lead from PRCD socket of the instrument
to the secondary side of tested PRCD, terminal L.
Ì Press the TEST key. Start of test
Ì Test with I
ΔN
, 0° (step 1).
RCD should trip-out
Ì Re-activate RCD.
Ì Test with I
ΔN
, 180° (step 2).
RCD should trip-out
Ì Re-activate RCD.
Ì Test with 5×I
ΔN
, 0° (step 3).
RCD should trip-out
Ì Re-activate RCD.
Ì Test with 5×I
ΔN
, 180° (step 4).
RCD should trip-out
Ì Re-activate RCD.
Ì Test with ½×I
ΔN
, 0° (step 5).
RCD should not trip-out
Ì Test with ½×I
ΔN
, 180° (step 6).
RCD should not trip-out
End of test.
Step 1 Step 2