Timeguard PDWM1500 - Manual (Page 5)

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5. Installation
Do not attempt to install if you are suffering from nausea or dizzy spells or on
medication with similar side effects. If in any doubt, consult a qualified electrician.
After choosing a suitable location (see previous section) install the unit as follows:
The unit is suitable for connection to a 230 V ac 50Hz electricity supply. It is
suggested that 3-core round flexible cable of 1.5 sq. mm gauge is used. An isolating
switch should be installed to switch the power to the unit ON & OFF. This allows the
sensor to be easily switched off when not required or for maintenance purposes.
This product can be fitted to standard 16mm UK back boxes.
Make sure the Lux and Time Controls are at the bottom of the product
when installed.
IMPORTANT
Switch off the electricity at the fuse box by removing the relevant
fuse or switching off the circuit breaker before proceeding with the
installation. All fittings should be installed by competent person in
accordance with IEE Wiring Regulations (BS7671)