Electrical; Mechanical - Pentair EVOLIO 255 740 Installer Manual

Installer manual Evolio 255 740-760 - Installation
4.3.3

Electrical

There are no user-serviceable parts in the 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.
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.
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.
4.3.4

Mechanical

CAUTION
Do not over-tighten the pipe to piping boss.
Do not put excessive force on the inlet, outlet or drain connections of the valve.
Prohibition
Do not use petroleum-based lubricants such as vaseline, oils, or hydrocarbon-based
lubricants.
Use only 100% silicone lubricants.
• All plastic connections should be hand-tightened. PTFE (plumber's tape) may be used on
connections that do not use an O-ring seal. Do not use pliers or pipe wrenches;
• existing plumbing should be in a good shape and free from limescale. In case of doubt, it is
preferable to replace it;
• all plumbing must be completed according to local codes and installed without tension or
bending stresses;
26 / 90 Ref. MKT-IM-037 / D - 25.10.2021