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diffusers etc), direct sunlight, rain, humidity, excessive dust, mechanical vibrations
and jolts.
•
in conformity with the safety standards in force the protection provided to
prevent contact with the electrical parts is guaranteed by installing the system
correctly. All protective parts must be mounted and secured in place so that they
cannot be removed without the aid of a tool.
1.3
WIRING AND ELECTRICAL CONNECTION
Referring to the wiring diagram:
•
the function managed by relay K2 is subject to parameter u0
•
the serial port (upon request) is the communication port with the monitoring
system (serial interface, via TTL - transistor – transistor logic - with a MODBUS
communication protocol) or with the programming key; the port must not be used
simultaneously for both purposes.
Warnings when wiring and connecting to mains supply:
•
do not use electrical or compressed air driven screw drivers for the
terminals