a) GND stud for grounding
Before you connect the amplifier to external grounding, you should advise with a
licensed electrician and confirm such kind of connection is allowed by your national
standards and regulations for electric safety, fire safety, and lightning protection.
Simultaneous connection to the earth grounding and protective earth may be
inadmissible or may fall under special requirements in some countries!
DANGER
Never use the gas installation pipes for grounding. This can cause an EXPLOSION!
DANGER
Do not use the steam-heating or water-supply network pipes for grounding! You may
expose to dangerous voltage not only yourself but also other people using the same
installation.
WARNING
This amplifier needs to be grounded.
When installing or replacing the unit, the ground connection must always be made first
and disconnected last.
Note that the grounding system may have to withstand currents over 15 A with
insignificant voltage drop on it. Therefore, it may be necessary to improve it
considerably, i.e., to become less resistive, with heavier leads and lower-resistive ground
path.
Use a green and yellow ground wire to connect the wing-nut grounding stud of the
amplifier (on the rear panel, marked GND) to the station's grounding system.
(See Figure 2-4 | Rear panel - Connections, Pos. (a))
The grounding leads should be at least 4 mm² (AWG 11 or SWG 13).
If no other data is available, in order to avoid conduction of a lightning strike with all
resulting consequences - death, injury, fire, equipment damage, destruction, etc., please,
read and understand clearly:
• ACOM 03AT User's Manual
Pay particular attention to Sections 2-3 Remote Unit Installation in the downloaded manual;
• ACOM 04AT User's Manual
Pay particular attention to Appendix 1 – Lightning Protection in the downloaded manual.
The documentation is available for download at www.acom-bg.com.
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