4 Information on the installation and operation
lant boilers with or without hot water
supply.
The timer is installed at the front of
Vaillant ecoTEC combi boilers.
Any other use or extended use is consid-
ered to be other than intended. The
manufacturer/ supplier is not liable for
any resulting damage. The heating engi-
neer and/or the owner alone bear the
risk. Intended use includes the observ-
ance of the operating and installation
manual.
Any improper use is forbidden!
12
All Vaillant boilers are equipped with an
anti-freeze thermostat.
Note!
This timer is not suitable for
being used together with an
external anti-freeze thermostat.
timeSWITCH 150 24-hour timer installation manual