Electrical
Installation
Tester
Operating
the
Tester
17
Power-On Options
To select a power-on option, press
and the function key simultaneously and
then release the
button. Power-on options are retained when the tester is
turned OFF. See Table 8.
Table 8. Power-On Options
Keys
Power-On Options
Loop/Line Impedance I
K
limit. Toggles the I
K
limit between 10 kA
and 50 kA. The default is 10 kA.
Line and Neutral Swap mode. Two modes of operation are
available. You can configure the tester to operate in L-n mode or
L-n n-L mode, see Figure 7.
•
In L-n mode, the L and N phase conductors must NEVER be
reversed. This is a requirement in some regions including the
UK. The
icon appears on the display indicating that the
system L and N conductors are swapped and testing is
inhibited. Investigate and rectify the cause of this system fault
before proceeding. L-n mode also changes the RCD x1/2 trip
time duration to 2 seconds as required in the UK.
•
In L-n n-L mode, the unit allows the L and N phase conductors
to be swapped and testing will continue.
Note
In locations where polarized plugs and outlets are used, a
swapped lead icon
(
)
may indicate that the outlet was
wired incorrectly. Correct this problem before proceeding
with any testing.
Fault voltage limit. Toggles the fault voltage between 25 V and 50
V. The default is 50 V.
View the tester serial number. Primary display shows the initial
four digits and the secondary display shows the next four digits.