Timeguard NSLDD1000, Installation & Operating Instructions Manual

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• The Dusk setting determines at which light level the NSLD1000 will turn
its connected load “ON”. Turning this setting fully clockwise allows you
to test the circuit during daylight.
• Connect the unit to the mains and switch power ON.
• After a short delay, the unit will switch ON. This is indicated by the
red LED (See diagram “C”). Any attached lights will also illuminate.
7. Setting up for Automatic Operation
• The TIME control determines how long the lamp remains illuminated
after activation. There are 4 designated “time on” settings 2, 4, 8 hours
and dusk until dawn.
• The DUSK (LUX) control determines the level of darkness required
for the unit to start operating. The setting is best achieved by the
procedure below;
1. Set the Dusk control knob fully clockwise and the Time control to the
required number of hours or dusk/dawn.
2. When the ambient light level reaches the level of darkness at which
you wish the lamp to become operative (i.e. at dusk) SLOWLY rotate
the control in an anti-clockwise direction until a point is reached
where the lamp illuminates.
3. Leave the control set at this point.
• At this position the unit should become operative at approximately
the same level of darkness each evening.
• Observe the operation of the unit. If the unit is starting to operate too
early (i.e. when it is quite light) adjust the control slightly anti-clockwise.
If the unit starts to operate too late (i.e. when it is very dark). Adjust the
control slightly clockwise.
• Continue to adjust until the unit operates as desired.