Vector-LP Radio Beacon Transmitter Technical Instruction Manual
Page
2-15
Section 2 Preparation for Use and Installation
Issue 1.1
(c) Determine which remote control
inputs are being applied and then
determine, if applicable, whether they
are differential or single-ended input.
See section 2.2.12 (Remote Control
Circuits), for more information on the
type of input.
(d) Cut each wire to the required length
and, if the wire is being terminated at
a terminal block, remove 3/8” (9.5
mm) of insulation from the end of
each conductor; if the wire is being
terminated in one of the connectors,
remove 1/8” (3.2 mm) of insulation
from the end of each conductor.
(e) Insert the control/monitor wiring into
the applicable terminals of the remote
interface PWB (A3). Ensure the
terminal block securing screws are
firmly tightened and the adjacent
wires do not touch (short).
(f) If the optional modem kit (Nautel Part
# 195-3032) is being used, verify
connectors P7 and P8 are connected
to the modem and connect the phone
line to the modem.
(g) If a Nautel ATU-LP or ATU500 is
being used, complete the serial
connection to the ATU (transmitter
connections detailed in Table 2-3) as
detailed in the ATU-LP or ATU500
Technical Instructions Manual. Also,
provide the ATU’s dc input source by
connecting a separate cable between
the transmitter’s 24 V source [TB1-1
(+) and TB1-3 (ground), see Figure
MD-1] and the associated ATU’s dc
input (see ATU manual).
2.3.7 Installing Ac Power Wiring
NOTE
The following procedures assume the ac
power is supplied from a single-phase,
50/60 Hz ac power source between 170
and 270 V ac (for VR250) or between 90
and 270 V ac (for VR125).
(a) If an interface protection unit was
purchased, route the ac power wiring
from the ac power source (service
entrance) to the interface protection
unit, noting that it should be located
close to the building’s ac entrance. If
an interface protection unit was not
purchased, Nautel recommends that
all ac power wiring pass through one
or more ferrite toroids positioned near
the transmitter’s power connection.
(b) Connect the transmitter’s ac input
(U5, see Figure 2-2) to the interface
protection unit, if purchased, or to ac
power source. If the deluxe or short
cabinet was purchased, connect the
ac input to TB1 (see Figure MD-1B or
MD-1D). An ac line cord (Nautel Part
# JN50) is included in the ancillary kit
or cabinet kit.
2.3.8 Installing Dc Power Source
Wiring (optional)
Connect the wiring from the dc power
source to the appropriate terminals of TB1
(see Table 2-6).
(a) Disconnect the dc power.
(b) Connect the dc power source to TB1
of the transmitter s shown in Table
2-6. Ensure wiring is securely
tightened. If the short cabinet was
purchased, disregard Table 2-6 and
connect dc power source wiring to
TB2-1 (+) and TB2-2 (-) of the
cabinet.
Table 2-6:
Dc Power Connection
TERMINAL CONNECTION
TB1-1 Battery
(+)
TB1-2 Battery
(-)
TB1-3 Charger
In
TB1-4 Charger
Out
(c) Apply dc power. Verify the voltage
between TB1-1 and TB1-2 is the
battery’s nominal voltage [24 V dc
(VR125 only) or 48 V dc].
