Safety - Wilo Yonos MAXO Installation And Operating Instructions Manual

3

Safety

3.1 Intended use
Use
Circulation of liquid in the following application areas:
◾ Hot-water heating systems
◾ Cooling and cold water circulation systems
◾ Closed industrial circulating systems
◾ Solar installations
Permitted liquids
Heating water in accordance with VDI 2035
◾
◾ Water-glycol mixtures in maximum ratio 1:1
The delivery rate of the pump is compromised by the
admixture of glycol due to the changed viscosity. This is
to be considered during pump adjustment.
Use other fluids only after approval from Wilo.
Permitted temperatures
➜ Fig.
3
Misuse
Never allow unauthorised persons to perform work.
◾
◾ Never operate the pump outside of the specified limits
of use.
◾ Never carry out unauthorised conversions.
Use exclusively authorised accessories and authorised
◾
spare parts.
◾ Never operate with phase angle control.
3.2 Operator responsibilities
◾ Keep children and people with reduced physical, sensory
or mental capacities or limited experience away from the
pump.
◾ Have all work carried out by qualified personnel only.
◾ At the installation site ensure protection from electrical
dangers and from touching hot components.
◾ Have defective gaskets and connecting cables replaced.
3.3 Safety instructions
Electrical current
DANGER
The pump is operated electrically. An electric shock may
be a danger to life!
◾ Have only qualified electricians carry out work on electri-
cal components.
◾ Before all work deactivate power supply and guard
against accidental switch-on.
◾ Never open control module and never remove operator
controls.
Operate pumps exclusively with intact components and
◾
connection pipes.
Safety
EN
17