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Page 10 of 20 Text artwork 990-9030 Rev. A. Equipment Handbook for the Low Voltage Disconnectors series
COMMISSIONING
Stage 1 - Preparation
7 Proceed as follows:
7.1 Check that the pre installation test (if required) has been carried out as detailed in Para 4.
7.2 Check that the installation has been carried out satisfactorily as detailed in Paras 5 and 6.
Stage 2 - Power up sequence
8 Proceed as follows:
8.1 Set the KEYSWITCH to the NORMAL position.
8.2 Switch on the external power system and check that the contactor is energised (a click can be
heard) and the dc voltage is present at the negative output terminal with respect to (wrt) the
TB1 AUX. terminal (terminal 3).
Stage 3 - Output connections
9 To connect the dc output cable to the unit, proceed as follows:
9.1 Switch off the external power system and check that the contactor is de-energised.
9.2 If required, connect the appropriate monitor and LVD alarm cables to TB1 and TB2
9.3 Remove the circular plate from the top and feed the dc output cable into the unit.
9.4 Connect the negative cable to either the internal negative output plate (for 15000218
15000408, 15000409 and 15000248) or the external NEGATIVE OUT busbar (for
15000264). Note that the unit does not require a positive common output cable.
9.5 Refit the plastic plate using five screws and washers and close the door.
9.6 Power up the system as detailed in Para 8.
Stage 5 - Completion
10 Power up the unit and check for correct operation.
11 Complete all site documentation.