TC12 Installation, Commissioning & Maintenance Handbook
2.3
2.3.1 Safety Tests on the TC12 Instation
2.3.1
ark ilar capable of 1000 V).
CD Tester (e.g. Seaward RC500).
2.3.1 afet
to
ment -
2.3.1.3 Pre-test
Cescription of rry out a visual inspection to check
p firmly.
2.3.1
2.3.1
2.3.1
to the Earth wire of the Instation
ry
COMMISSIONING
.1 Test Equipment Required
Multimeter (e.g. Fluke 77 or similar).
Com Insulation Meter 1905 (or sim
Clare R133R10 Earth Continuity Tester (or similar).
R
.2 S y Considerations
Statutory and Company legislation relating to safety must be followed. During
testing hazardous voltages will be present, only qualified personnel are allowed
operate the equipment with hazardous voltages present.
ELECTRIC SHOCK RISK - hazardous voltages are present within the equip
observe any warning labels and do not remove any protective covers.
Inspection
heck that the correct fuses are fitted to the Instation (see section 2.4.9 for a
fuses fitted to the Instation). Cad
all earth connections are made and that the associated screws are done u
Check that the mains cables are plugged into each PSU PCB and PC used.
.4 Outline of Tests to be Performed
he sequence of tests will be: T
(1) Earth Continuity Check
2) Insulation Check (1000 V DC Test) (
(3) RCD Test.
.5 Earth Continuity/Insulation Resistance Test Set Up
The Instation is disconnected from the mains during these tests.
.6 Earth Continuity Test Procedure
Connect one probe of the Earth Continuity Tester
mains cable. Connect the other probe to the following points (it may be necessa
to find a suitable place to test without paint) and make sure the reading is below
0.5 Ohms:
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666/HE/43100/000 Page 44 Issue 9