Timeguard NSLDD1000, Installation & Operating Instructions Manual

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4. Installation
• Ensure the mains supply is switched off and the circuit supply
fuses are removed or the circuit breaker turned off.
• An isolating switch should be installed to enable the power to be
switched ON & OFF for maintenance purposes.
• Open the unit by gently prying the “ears” on each side of the unit
(See diagram “A”). This can be done without a tool, but if you prefer use
a flat blade screwdriver, but be careful not to damage the clips. The front
cover is hinged at the top and the front cover will swing open upwards.
• Mark the position of the fitting holes using the unit as a template.
Drill out the mounting holes taking care to avoid any joists, electrical
cables or water/gas pipes that may be hidden beneath the surface.
Insert the rawl plugs into the holes.
• Pass the 230V 50Hz mains supply and load cables through the cable
entry points on the unit, ensuring the grommet(s) is used to maintain
the IP rating of the sensor.
• Fix the unit to the wall using the correct screws for the
rawl plugs installed.
• Terminate the cables into the terminal block ensuring correct polarity
is observed and that all bare conductors are sleeved (See section 5.
Connection Diagram).
• Attach the supplied cable clamp ensuring not to overtighten.
• Close the front cover.