KVH Industries TracVision HD7 Installation Manual page 15

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Grounding Requirements
Proper grounding of the TracVision system to
ship's ground is critically important, as it protects
the equipment from lightning and electrostatic
discharges (ESD).
In a standard installation with a connection to
single-phase AC power, the antenna system is
normally connected to ship's ground through the
ground wire of the ACU's power plug. As an
alternative, you may run a separate ground wire
from the ACU's chassis to ship's ground, or
mount the equipment within a grounded
equipment rack.
WARNING
Failure to ground the TracVision system
properly to ship's ground will cause an
unsafe floating ground condition, risking
damage to the antenna and electric shock,
potentially resulting in DEATH. In a
floating ground condition, the difference
between the equipment's chassis ground and
the ship's ground can measure well over
100 volts, when it normally should not
exceed 25 volts. Therefore, always measure
the difference in potential between chassis
ground and ship's ground to make certain
that there is no dangerous floating ground
condition, even if the ground pin of the
vessel's AC power plug appears to be intact.
Connect Power to the System
Follow the steps below to connect power to the
TracVision system.
a. Before you begin, disconnect vessel power
and be sure the vessel is properly grounded
in accordance with marine standards.
b. Connect the supplied AC power cord to the
ACU (see Figure 26).
c. Plug the ACU's power cord and the SWM
power inserter's power cord into the vessel's
120 VAC power supply. Although the ACU
can run on 240 VAC, the SWM power inserter
is only rated for 120 VAC.
Connect Power
Figure 26 Power Wiring
SWM
Power
Inserter
AC Input
ANTENNA
ETHERNET
AC INPUT
FUSE
3.15A 100-240V~
160W MAX
250V~
FAST ACTING 50/60 HZ
This device complies with Part 15 of the FCC rules. Operation is subject
CAUTION to the following two conditions: (1) This device must not cause harmful
RISK OF ELECTRIC SHOCK interence, and (2) This device must accept any interference received,
DO NOT OPEN including interference that may cause undesired operation.
Vessel 120 VAC
Power Supply
Ship's Ground
ACU
RS232
Tested to comply
with FCC Standards Wi-Fi
Meets requirements
KVH and TracVision are registered
trademarks of KVH Industries, Inc.
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