18
GB
MAINTENANCE
WARNING:
1) Before to execute any maintenance operation
on the device, on the load or on their
connections, disconnect it from the power line
by a mechanical circuit breaker.
2) These devices are connected to dangerous
power lines, for these reasons:
- installation, wiring and maintenance must be
executed by qualified personnel;
- all warnings contained in this manual must
be complied.
3) Do not execute any dielectric strength or
insulation resistance test on the power
terminals.
These types of test could damage the power
semiconductors.
4) During continuous operation, the heat sink could
reach a temperature higher than 80 °C (176 °F)
Before execute any operation on the device,
you have to be sure that its temperature is
decreased to an acceptable value.
MAINTENANCE
1) REMOVE POWER FROM THE DEVICE BY
USING A MECHANICAL CIRCUIT BREAKER
2) Using a vacuum cleaner or a compressed air
jet (max. 5 kg/cm
2
) remove all deposit of dust
and dirt which may be present on the heat sink
and on the terminals.
3) To clean external plastic or rubber parts use
only a cloth moistened with:
- Ethyl Alcohol (pure or denatured) [C
2
H
5
OH] or
- Isopropil Alcohol (pure or denatured)
[(CH
3
)
2
CHOH] or
- Water (H
2
O)
4) Verify that there are no loose terminals (see
paragraph GENERAL NOTES FOR WIRING).
5) Before switch ON the power, be sure that the
device is perfectly dry.
6) Turn the power ON.
ESR-AC10A.p65
2/8/02, 2:21 PM
18
2 rue René Laennec 51500 Taissy France
Fax: 03 26 85 19 08, Tel : 03 26 82 49 29
E-mail:[email protected]
Site web : www.hvssystem.com