Vaillant timeSWITCH 150, Operating And Installation Manual

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timeSWITCH 150 24-hour timer installation manual
GB, IE
Safety instructions and regulations 5
5 Safety instructions and
regulations
The device must be installed by an
approved company specialised in heating
engineering, which is responsible for
compliance with existing standards and
regulations. We accept no liability for
any damage caused by failure to observe
these instructions.
5.1 Safety instructions
Caution!
Risk of damage to the device by
short-circuits!
Before performing work on the
device, switch off the power sup-
ply and secure it against being
switched on again.
Only take the timer from the
base after disconnecting it from
the power supply.