Installation - Danfoss PVG 32 Service Manual

Eauid
Elark
WWW.DAVIDCLARK.COM
TNSTALLATION/OPERATION INSTRUCTIONS
U38OO
MASTER STATION
DESCRIPTION
The U3800 Master Station
is
the heart
of
the David Clark Company Series 3800 Intercom
System. The
3800 adjusts automatically
for
12
or
24
VDC power source.
It
contains
system
on/off
and
volume controls, power input
and
a
remote output, system fuse, plus 2
headset
jacks.
INSTALLATION
1.
Select
a
mounting location where the headset cord
will
not interfere
with
the operator's
job
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WARNING
Caution should be taken
with
the
U3800 when selecting
a
mounting
position
so
that it's
at
least
2 feet
away
from
the transmitter
antenna.
2.
Mount
the U3800
by placing
one grommet between each
of the four mounting brackets
and
the mounting surface. Grommets are provided
with the module but fasteners are
not.
The
type
of
fastener selected
should be based on mounting locafion.
3.
A
C3820 Power Cord, twenty feet
in length, is
required
to connect a U3800 Master Station
to it's power source. The stripped
and tinned end
of the C3820 incorporates a fuse holder
with
a
2
amp
slo-blow fuse.
If
connecting to
a
vehicle's power source, consideration should
be given to whether you connect before or after the
ignition switch.
The red
wire
should be
connected
to DC positive (power)
and the
black wire should be connected to DC negative
(ground).
Connect the two
pin (male) connector of
the negative
(ground).
Connect the two
pin (male)
connector
of the power cord to the power input connector located on the Master
Station.
NOTE:
It
is recommended that
a
Noise Suppression
Kit,
such
as
Radio
Shack
PAI 270-030 or equivalent,
be
installed
on the
power line to the U3800 Master Station to help prevent
electrical
noise
from entering
the
intercom system. Install
the
filter
at the
point where power is derived.
4.
All
cords have
military type screw-on connectors. Install cords
as
follows:
Align
key-way slot
on cord connector
with
key
in
threaded connector on module.
Insert pins into socket
until firmly
seated.
Hand tighten swivel nut on cord connector.
5.
Connect Master Station to Remote Modules using (C3B-XX) Jumper Cords of desired
length.
&
a.
b.
c.
19s0sP-43
(10-ls)
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02015 David
Clark
Company Incorporated