Instruction manual

3
- the mixing device Regumat ATTACK-OVENTROP is not installed in the system to ensure
temperature of return water into boiler at least at 65°C
- functional thermostatic valve is not installed in the aftercooling circuit of the boiler (WATTS
STS20), connected to the cold water source.
This device is not intended for usage by persons (including children) that are physically, sensually,
mentally or due to unsufficient experiences and knowledge unable to use it safely without being
under control or being instructed to use by person responsible for their safety. It is necessary not to
allow children to play with the boiler.
If the electrical cord is broken, it has to be replaced with special cord, available from
producer or service technician!
Be carefull while using the device! The Lambda probe works at high temperatures (300°C)
and by uncareful manipulation there is a danger of scorch!
Warning sign
This warning sign always appears in the instruction manual, when it is necessary to warn about
possible bodily injury and material damages, if this manual is not kept properly.
Two types of warning signs are used in this manual:
WARNING Warns about life-dangerous situations and situations that may cause bodily
injury and damages, in case that necessary actions were not kept.
ATTENTION warns about less safe work methods and processes that may cause bodily
injury or material damages.