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MANDATORY
Do not exceed a maximum of 8.6 bar inlet pressure. Should this happen or be subject to
happen, it is necessary to install a pressure regulator upstream the system.
4.3.3. Electrical
There are no user-serviceable parts in the AC transformer, motor, or controller. In the event of a
failure, these should be replaced.
•
All electrical connections must be completed according to local codes;
•
make sure power source matches the rating on the unit;
•
use only the 12 VAC power supply transformer that is supplied;
MANDATORY
Plug the supplied transformer in an AC 220-230 V, 50/60 Hz power supply. The use of any
other power supply than the one supplied void the warranty of all electronic parts of the
valve.
MANDATORY
The unit must be plugged into an outlet.
MANDATORY
Make certain the electrical supply cannot be turned off accidentally and is not controlled by
a wall switch.
CAUTION
Due to some house using piping as a source of electrical grounding, a grounding strap must
be installed when required.
CAUTION
Electrical components are not waterproof.
•
the power outlet must be grounded;
•
to disconnect power, unplug the AC cable from its power source;
•
do not use any extension cord;
•
locate cord where it cannot be accidentally unplugged or cause any bodily harm.
Ref. MKT-IM-037 / B - 17.12.2018
Installer Manual Evolio 255 - Installation
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