Seaward 250 PrimeTest User Manual

Page 35

PrimeTest 250+

Operating Instructions

Mains status

No mains

Earth fault

Flash

OFF

Flash

Whenever reSet is displayed on the LCD press the
reset button on the RCD.

The PrimeTest 250+ will perform a IΔn (30mA) 0°
test, the operating time of the RCD will be shown on
the PrimeTest 250+ LCD. If the test passes then the
PrimeTest 250+ will perform a IΔn (30mA) 180° test. As
long as the tests continue to pass the PrimeTest 250+
will continue to test both 0° and 180° at IΔn (30mA).

3.10

Performing a 3-Phase Sequence

The PrimeTest 250+ can be used to measure R

and earth leakage current on 3 phase equipment
when used with the optional 3 phase adaptor
accessory.

•

Visually inspect the appliance and mains cord

for signs of damage.

• If the appliance passes a visual inspection

proceed with the electrical tests.

•

Refer to the documentation supplied with the 3

phase adaptor and connect the adaptor in line

with the 3 phase equipment under test.

•

Connect the 3 phase adaptor test lead to the

mains input socket 9 (refer to fi gure 2) on the

PrimeTest

250+.

• Connect

the

test probe to an exposed

conductive part on the 3 phase equipment.

•

Press the 3 phase key on the PrimeTest 250+

to being the test.

• If there is a contact voltage present on the

conductive parts of the equipment under test,

the test is terminated and a Volt on test Probe

warning message is shown on the display.