WIRING
It is recommended that installation and maintenance of this equipment should be done with reference to the current
edition of the I.E.E. wiring regulations (BS7671) by suitably qualified/trained personnel. These regulations contain
important requirements regarding safety of electrical equipment (for International Standards refer to I.E.C/ directive
IEC950).
Warning! Isolate the mains supply before commencing any work on the unit. Failure to do so could result in
serious injury or fatality.
The unit is fitted with three cable glands. The first gland on the left is for the mains supply the second is for the Load the
small gland on the right is for the enable input. Only one cable should be fitted per gland to prevent degrading the unit’s
IP rating.
The mains supply connects to the terminal block marked ‘LINE’. Connect the supply LIVE to the ‘L’ terminal, NEUTRAL
to the ‘N’ terminal and EARTH to the ‘E’ terminal.
The load connects to the terminal block marked ‘LOAD’. Connect the load LIVE to the ‘L’ terminal, NEUTRAL to the ‘N’
terminal and EARTH to the ‘E’ terminal.
If an external enable signal is used it should be connected to the terminal block marked ‘ENABLE’. If no enable input is
needed a wire link should be inserted into the Enable terminal.
Important! Ensure all earth wires are connected to maintain earth continuity.
Check all wiring and make sure the cable glands are tightened.
COMMISSIONING
Set the Secs Cermet (VR2) to a value between 1 and 5 seconds. Also if the Pedestal (VR1) needs to be used move it
to a position between 0-40% if it is not being used it should be at 0%. If an enable switch needs to be attached take the
link attached to the ENABLE terminal and fit the switch. Replace the lid and switch on the mains supply to the unit. The
soft start should start once it has been powered on if the link is fitted or when the ENABLE switch has been engaged.
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