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Section 3 - Installation (ATSC EC701HP Transmitter)
Section 3
Installation
3.1
Introduction
This section provides general information for planning the installation of the EC701HP transmitter,
such as recommendations regarding Shelter, Tower, Antennas, Cables, Grounding, Power Line,
Prevention against Transients, etc.
3.2
Inspection
The package and the equipment must be inspected upon delivery in order to detect eventual
visible damages. If there are signs of violation or physical damage (which points to transportation
problems), the corresponding evidences should be described in the delivery documentation
provided by the transport company. Such notice would be used to establish the responsibilities
for the product integrity.
Hitachi Kokusai Linear carries out operating tests at the factory on every transmitter in order to
ensure proper operation after delivery to the user. Nevertheless, if the equipment does not operate
after the start-up and there is no evidence of transportation damage, it might be necessary to
send the equipment back to the factory for repair or replacement. In such a case, please get in
contact with Hitachi Kokusai Linear Equipamentos Eletrônicos S/A's Technical Support
Department.
3.3
Installation Recommendations
3.3.1 Preventive Protection
Voltage transients with a duration of micro and nano-seconds are a constant challenge for the
solid state circuits. The downtime and the equipment maintenance make the preventive protection
the best warranty against these surges.This protection can be in many forms, from isolation
transformers and no-breaks to the more efficient but more expensive AC Voltage Protectors.
Since lightning is the most common cause of transients, AC Voltage Protectors are the best
choice.
An efficient AC Voltage Protection must be able to dissipate the energy to a low voltage, sufficient
to guarantee the protection of the eletronic components. The protection must be always placed
transversely to the AC line, even during blackout periods.In addition, it must be immediately and
automatically turned-on and ready in case of repeated transients.
Manual Rev. 0.0 - March 2018
3
3-1
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