Piusi EX50 Installation, Gebrauch Und Wartung Seite 28

Installation, use and maintenance
11 CONNECTIONS
11.1 ELECTRICAL CONNECTIONS
WARNING
WARNING
- During installation and maintenance make sure that power supply to the electric
lines has been turned off.
- Use cables with minimum sections, rated voltages and installation type that are suitable for
the characteristics indicated in paragraph "ELECTRICAL DATA" and the installation environ-
ment.
- The electrical connection terminal box compartment, schematised below, contains
the terminals to be connected to
- Always make sure that the cover of the terminal strip box is closed before switching on
the power supply, after having checked the integrity of the seal gaskets that ensure the IP55
protection grade. For those screws use a 10 nm clamping couple
WARNING
WARNING
NOTICE
WARNING
1/2" NPT
INLET
28 /156
BEFORE ANY OPERATION, ENSURE TO BE OUT OF POTENTIALLY EX-
PLOSIVE AREAS
IT IS THE INSTALLER'S RESPONSIBILITY TO CARRY OUT THE ELEC-
TRICAL CONNECTIONS IN COMPLIANCE WITH THE RELEVANT STAN-
DARDS.
Comply with the following (not exhaustive) instructions to ensure a prop-
er electrical connection:
All motors are equipped with a grounding terminal.
Make sure all the plant is properly grounded.
BE SURE TO USE A CABLE GLAND, WITH SUFFICIENT PROTECTION
GRADE (Exd)
IN THE EVENT OF INSTALLATION IN ZONES WHICH ARE NOT CLAS-
SIFIED, IT IS SUFFICIENT TO OBSERVE THE MINIMUM SAFETY STAN-
DARDS ALREADY MENTIONED IN THIS MANUAL.
- THE OWNER HAS THE RESPONSIBILITY TO VERIFY THAT ALL THE LO-
CAL AND NATIONAL REGULATIONS HAVE BEEN OBSERVED.
- ENSURE THAT THE CONNECTION CABLE TO THE POWER SUPPLY IS
PROTECTED FROM ALL HEAT SOURCES AND SHARP EDGES.
FAILURE TO OBSERVE THE ABOVE MENTIONED RULES CAN CAUSE
SERIOUS ACCIDENTS
Black Cable
Phase
Blue Cable
Neutral
GND
TERMINAL BOX
COMPARTMENT
Switch
EMI
Filter
M0218E