Connect Power - KVH Industries V7 Installation Manual

Connect Power

11
Follow these steps to connect power to the
TracPhone V7 system.
The TracPhone system requires 3-wire single-
phase AC power (hot, neutral, and ground).
Voltage between hot-neutral and hot-ground
should each measure between 100-240 VAC.
Some large ships use two-phase, split-phase,
or delta power instead (3 wires: hot, hot, and
ground; no neutral). In this case, voltage
between hot-hot measures the proper voltage
(100-240 VAC), while hot-ground measures
only half the voltage (50-120 VAC). The
TracPhone system cannot operate on this
type of power. Attempting to run the
TracPhone system directly on two-phase,
split-phase, or delta power 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, if the vessel is limited to two-
phase, split-phase, or delta AC power, or if
there is a floating ground condition, you
MUST use a suitable isolation transformer to
supply single-phase power to the TracPhone
system (see Figure 31).
a. Before you begin, disconnect vessel power.
b. Be sure the vessel is properly grounded in
accordance with marine standards.
c. Connect the control unit and modem to the
supplied AC power strip using the adapter
cables provided in the kitpack (see Figure 32).
d. Strain-relieve all wires at the back of the
control unit and modem by securing them to
the attached strain-relief bracket(s) using tie-
wraps. Leave enough slack for serviceability.
16
WARNING
Figure 31: Single-Phase AC Power Input
TracPhone V7 Equipment
Ground
Neutral
100-240 VAC
Single-Phase
Power Input
NOTE: Ground fault protection devices cannot detect faults
behind an isolation transformer.
Figure 32: Power Wiring
Control Unit
AC Input
Modem
AC Pwr
J6
BUC PWR
J8
J1 J3 J2
J5
AC PWR Rx RF Tx RF USER
CONSOLE
ENET
MODEL: VMBR-1510 ArcLight J7
PART: 1234567 REV XXX ACU
J4
ENET
SERIAL: XX-XXXXXX
ACU
CAGE CODE: 12345
MTA
12 VDC
12V DC RSTR WAN LAN PHONE 2 PHONE 1
Switch
48V
8 7 6 5 4 3 2 1
+
POE 48V
Remote Service Module
Power
Power
SIM
Antenna On/Off Audio
Isolation Transformer
Ground
N
60-220 VAC
60-220 VAC
Shipboard
Two-Phase,
Split-Phase,
or Delta Power
Power
Strip
CAUTION
NO OPERATOR
SERVICEABLE
PARTS INSIDE,
DO NOT OPEN
AC/DC
Adapter
AC/DC
Adapter
AC/DC
Adapter
Vessel AC Power
115 or 230 VAC
Single-Phase