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NOVATEK-ELECTRO
ET-485
4 MAINTENANCE AND SAFETY MEASURES
4.1
Safety measures
4.1.1 ЕТ-485 IS OPERATING A POTENTIALLY LETHAL VOLTAGE;
Power off the unit, as well as any
other units connected to it, before maintenance, trouble-shooting or installation works.
4.1.2 The unit is not designed for operation under impact or vibration conditions.
4.1.3 Do not expose the inner electric components of the unit, as well as input contacts of terminal blocks and sockets,
to water.
4.1.4 Do not operate the unit in aggressive environment with the presence of acids, alkalies, oils, etc. in the air.
4.1.5 Switching, adjustment and maintenance of the unit should be conducted by the qualified personnel, who is familiar
with the provisions of this user manual.
4.2.6 The following regulations should be enforced while operating and maintaining the unit: GOST 12.3.019-80,
"Operational regulations of Electrical Installations", and "Safety Regulations for the Operation of Electrical
Installations".
4.2 Maintenance procedure for
ЕТ-485
Suggested maintenance interval – every six month.
The maintenance procedure includes visual inspection to verify the connection of cables to the ЕТ
-485 terminals, as
well as the absence of fractures and cracks on the case.
All safety regulations provided under section 4.1 should be enforced during the maintenance.
5 SWITCHING OF ЕТ-485
