«NPK Morsvyazavtomatica» LLC
Operating manual
Page 10
Select the installation site in compliance with operational constraints (operating
temperature and protection degree – IP).
2.2
U
SAGE PREPARATIONS
2.2.1
Safety features
While preparing the Product for operation, check it visually after unpacking; me-
chanical damage shall be absent.
Connection to power mains shall be provided only in compliance with input
power requirements.
Before connecting the Product shall be switched off and have a proper grounding.
While using the Product the staff shall follow “The technical rules for operation
of electric installation” and “Safety rules for operation of electric installation” while test-
ing electrical circuits and insulation resistance.
2.2.2
Visual check procedure
Before switching the units on, the staff shall:
–
observe visually the cable integrity and initial position of the controls on the
front panels;
–
check the absence of dust and dirt on the Product casing; clean with a soft cloth
if necessary;
– check that cable connectors are securely connected to the Product.
2.2.3
Directions for switching on
While connecting the PSU and preparing it for operation follow the steps below:
– transfer circuit breakers of main power and PSU on the power mains switch-
board to “OFF” position;
– connect deenergized cable of main power and SB to input terminals;
– transfer circuit breakers of main power and PSU on the power mains switch-
board to “ON” position;
– transfer a circuit breaker inside the Product casing to “ON” position (only for
PS-103-20);
– transfer a piano type switch to “ON” position;
– check that the Product is connected properly and main power is available by
green LED glowing on the piano type switch, located on the Product casing, dry contact
alarm shall be absent;