Rev.2013-08-25-01
4
•
Before carrying out repairs or maintanance on the ventilator sections make sure
that the power supply is disconnected and it could not be switched back on unexpectedly by
another person.
•
Before opening the fan section safety doors turn off the electrical power supply
of the motors using the safety switches mounted outside the fan housing.
•
Do not pull or bend cables. They might be under support (high) voltage.
•
All the elements that stay under support voltage after turning off the main switch
are marked with sign
•
Before carrying out repairs on the electrical board or other elements of the unit, turn
the power supply off and wait
10 minutes
before starting to work.
•
In any case do not touch electrical swiches, circuit-breackes or signal lamps with
wet hands.
•
Check regularly the insulation of the cables or duct joints are not damaged.
•
Check at least once a month the conditions of all signal lamps and protections, build in the
air handling unit and the electrical board, using electrical measuring instrument, only when
the power supply to the electrical board is turned off.
•
Do not touch terminals in the electrical board or unclad wires, because they might be
under pressure.
•
Be very careful when working with voltage over 25V for AC and 35V for DC.
•
Transportation and storage of the air handling unit and electrical board must be carried out
in temperature range between (-20°
С
) and (+40°
С
),
•
Extremely low/high temperature or high moisture level could shorten the life of the
electrical board and its elements, to cause damages, to warp or meld the plastic parts.
•
Handle carefully with the electrical board during installation, because its release could cause
damage.
•
Protect the unit from dust and contaminations, because they can cause prematurely wear of
some parts.
•
Do not use aggressive chemicals, solvents or abrasive detergents to clean the electrical
board.
•
Do not install the electrical board on places, where it will be exposed on conditions such
as:
- High dust level.
- Highly flammable materials, gases and solvents.
- Strong vibrations.
- Strong magnetic fields.
Summary of Contents for EVB - HiE
Page 2: ...Rev 2013 08 25 01 1 ...
Page 19: ...Rev 2013 08 25 01 18 ...
Page 20: ...Rev 2013 08 25 01 19 ...
Page 23: ...Rev 2013 08 25 01 22 9 2 Identification plate ...
Page 26: ...Rev 2013 07 25 01 25 ...
Page 27: ...Rev 2013 07 25 01 26 ...
Page 28: ...Rev 2013 07 25 01 27 ...
