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timeSWITCH 150 24-hour timer
Operating and installation instructions
1 Safety
1.3 General safety information
1.3.1 Risk caused by inadequate
qualifications
The following work must only be carried
out by competent persons who are suffi-
ciently qualified to do so:
– Set-up
– Dismantling
– Installation
– Start-up
– Decommissioning
• Proceed in accordance with current
technology.
The competent person must be approved
at the time by the “Health and Safety
Executive”.
1.3.2 Danger caused by short-circuits
If a short circuit occurs, this may present
a danger to you and others, and cause
material damage.
• Before performing work on the device,
switch off the power supply and secure
it against being switched on again..
• Only take the timer from the base after
disconnecting it from the power supply.
1.3.3 Danger caused by improper
operation
Improper operation may present a danger
to you and others, and cause material
damage.
• Carefully read the enclosed instructions
and all other applicable documents,
