M O
D
E L
VCS-2D-HP
VCS-2D-HP
HIGH POWER STEREO VOLUME CONTROL
NILES
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of attenuation instead of 8. Steps 11-6 attenuate -3 dB per
step; steps 5-2 are -6 dB per step. Step 12 is “full-on” and step
1 is “full-off”. The VCS-2D-HP delivers “POP-FREE” switching
between all steps.
● Silent When Off – Niles controls completely silence your
speakers when they are at the full-off position
● Removable Connnectors – The connectors on the VCS-
2D-HP are removable and accommodate up to 14 gauge
speaker wire. The connectors simplify your installation:
• The speaker wires are easier to attach—no heavy
control to hold onto.
• The control may be removed without disconnecting
any wiring.
• ”Wire-Guard” barriers between each connector
terminal reduce the chance of a short-circuit.
● Mounting depth of only 2 9/16”. Fits into standard 18 cu. in.
1-gang electrical boxes.
● Printed circuit board construction uses no hand wiring,
assuring high reliability.
● Tested Performance – 100% tested, electronically and
acoustically, for frequency response, distortion and power
handling.
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● Isolated left and right channel grounds make it safe for
use with any amplifier.
● May be used with 4, 6, or 8 ohm speaker systems.
● Ideal for both home and commercial sound installations.
● Available colors: White, Bone, Almond, or Black.
● Proudly made in the USA
TOOLS REQUIRED
● Ten year parts and labor warranty.
• No. 2 Phillips
Screwdriver
• 1/8" Standard
Slotted Screwdriver
In st allat ion Con sid erat ion s
• 1/4" Standard
Slotted Screwdriver
The VCS-2D-HP is a Decora-style module and is designed to
use stan d ard Decora-style facep lates an d m oun tin g
hardware. Decora faceplates (up to 6-gang) with color-
matched plate screws are available from your Niles dealer.
• Wire Stripper
*
• 5/64" Allen Wrench
P-Rings and Electrical Boxes
The mounting depth of the VCS-2D-HP is 2 9/16”. When
installed, the unit extends 2 5/16” behind the sheetrock wall
(assuming 1/ 2” sheetrock). For installation, you must choose
between a standard light switch plaster ring (p-ring) or a
standard 18 cu. in. (or larger) electrical box. Suitable p-rings
and electrical boxes are available from your Niles dealer or
local electrical supply company. Using the p-ring is best
because it gives you unobstructed access to the full depth
3
*
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Only required if changing color of unit.
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of the wall. In some instances, the use of a p-ring may be
inappropriate, such as in a retro-fit (existing) installation, or
when building codes require that wall devices be enclosed
in electrical boxes. Contact your local building code and
inspection department if unsure.
"Tech Tip"
Type of Speaker Wire
For most applications, we recommend you use 16 or 18
gauge, stranded copper speaker wire for the VCS-2D-HP
connections. For wiring runs longer than 80 feet, 14 gauge
wire is recommended. Using speaker wire larger than 14
gauge for the VCS-2D-HP connections is not recommend-
ed —the wire may not fit into the connectors. Never use
solid-core, aluminum, or “Romex” type wire with the VCS-
2D-HP. When running speaker wires inside walls, most
states and municipalities in the U.S. specify that you must
use a special type of speaker wire. Usually, the requirement
is that the wire has a specific “CL” fire rating, such as “CL-
2” or “CL-3”. Consult your Niles dealer, building contractor,
or local building and inspection department if unsure about
which type of wire is best for your application.
Wire size is
expressed by it's
AWG (American
Wire Gauge)
number. The lower
the AWG number,
the larger the wire,
i.e., 12 AWG wire is
physically larger than
14 AWG.
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VCS-2D-HP Mounting Location
Convenient mounting locations for the VCS-2D-HP are:
● Near entryways or exits
● Near a desk
● At your bedside
● Close to a telephone
● Near other wall controls (see caution next page)
DO NOT INSTALL THE VCS-2D-HP INTO ELECTRICAL
BOXES WITH 110 VOLT DEVICES
Some states or municipalities allow devices such as the VCS-
2D-HP to be installed into the same electrical box as 110 volt
devices, provided a “low-voltage partition” is used between
the devices. We do not recommend this. Speaker wires can
act as an “antenna” for electrical noise. Locating speaker
wires too close to a light switch or dimmer may cause a
“popping” or “buzzing” sound to be heard through the
speakers. If you must locate the VCS-2D-HP near electrical
devices, install it in a separate metal electrical box, ground
the box to the electrical system ground, and route the
speaker wires several feet away from the electrical wiring.
Figure 1
Removing the Knob
Changing the Color of the VCS-2D-HP
The Decora-style insert and knob on the VCS-2D-HP are
removable, allowing fast and easy color changes as needed.
Inserts and knobs are available in a variety of colors. If you
need to change the color of the VCS-2D-HP:
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1. Obtain the VCS-2D-HP knob and Decora-style insert in
the desired color from your Niles dealer.
2. Holding the VCS-2D-HP control as shown in (Figure 1),
make sure that the knob is turned completely counter-
clockwise, to the off position. Note the current position of
the knob; this will ensure that you install the new knob in
the same position as the old one. Next, using a 5/64” allen
wrench/driver, locate the two set screws on the side of the
knob and carefully loosen both screws until the knob may
be removed. It is not necessary to completely remove the
screws from the knob.
3. Next, holding the control as shown in (Figure 2), locate
the two plastic mounting tabs at the top rear of the Decora-
style insert. Using two fingers, simultaneously press both
tabs down (towards the center of the insert) and forward
(away from you) until the insert pops free from its mount-
ing slots.
Figure 2
Removing the
Decora-style Insert
4. Locate the new Decora-style insert. Hold the control so
that it is facing you. Insert the two bottom tabs into the
bottom slots first, followed by the two tabs on the top. Snap
the insert into place by carefully pressing on the front of the
insert.
"TECH TIP"
Do not exert
excessive pressure on
the plastic
mounting tabs.
5. Locate the new knob. Place the new knob onto the shaft
and align it to the same position as the old one. Secure the
knob to the shaft by tightening the two set screws on the
side of the knob. Holding the VCS-2D-HP as shown in
(Figure 1), check the alignment of the knob by turning it
through all positions.
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a
b
e
c
d
f
g
(a) Electrical Box
(b) Speaker Wire
h
(c) VCS-2D-HP Volume Control (supplied)
(d) Snap-on Color Insert (supplied)
(e) Knob (supplied)
(f) Device Screws (2 supplied)
(g) Decora Wallplate (supplied)
(h) Faceplate Screws (2 supplied)
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In st allat ion
If you are installing the VCS-2D-HP into an existing wall,
take time to consider any possible obstructions which may
be hidden inside the wall, such as wood and metal studs;
electrical, telephone or other types of wiring; plumbing;
conduit; old wall safes; etc.
Figure 3
Wiring the Connectors
1. Install the electrical box or p-ring in the usual manner.
2. Run all the necessary wiring to the VCS-2D-HP. Label the
wires for future reference.
RECEIVER
3. Make the connections to the VCS-2D-HP. Locate the
connectors for the VCS-2D-HP (remove them if they are
plugged in). Next, strip 1/4” of insulation from the end of
each wire. Tightly twist the end of each wire until there are
no frayed ends. Insert each wire into the appropriate hole
on the removable connector blocks; secure the wiring to
the connectors by tightening the small connector screws.
Be certain that proper phasing is observed —connect the
positive terminals on the VCS-2D-HP to the positive termi-
nals on the amplifier and speakers; the negative terminals
on the VCS-2D-HP to the negative terminals on the amplifi-
er and speakers. See (Figures 3 and 4).
From Amplifier (Input)
VCS-2D-HP
To Speakers (Output)
The input s of t he VCS-2D-HP are t he connect or pins
labeled “AMPLIFIER.” The outputs are the connector pins
labeled “SPEAKERS.” Be sure not to reverse these connec-
tions or the VCS-2D-HP will not function properly.
SPEAKERS
Figure 4
Wiring Diagram
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4. Plug the connectors into the VCS-2D-HP as shown in
(Figure 5)
5. Secure the VCS-2D-HP to the electrical box or p-ring.
Insert the 11/4” long device screws into the oblong-shaped
screw holes on the top and bottom of the VCS-2D-HP.
Note that the oblong shape of the screw holes allow you to
position the VCS-2D-HP so that it is vertical. Position the
VCS-2D-HP so that the screws are aligned with the thread-
ed holes in the electrical box or p-ring. Tighten the screws
using a phillips screwdriver. DO NOT OVER-TIGHTEN. In
some instances, you may need to loosen these screws several
turns to allow the VCS-2D-HP to fit flush with the Decora
cover plate. See (Figure 6).
Figure 5
Installing the
Connectors
6. Use the shorter plate screws to fasten the Decora faceplate
to the VCS-2D-HP. DO NOT OVER-TIGHTEN THE PLATE
SCREWS OR YOU MAY DAMAGE THE FACEPLATE. Line up
all the screws in the same direction for a finished look.
NOTE: Certain “old work” or “retro-fit” boxes, such as the
Carlon B225R, have a plastic “lip” which interferes with the
Decora faceplate screws. This lip prevents you from being
able to tighten these screws completely. To make the clear-
ance necessary for these screws, you must remove the parts
of the lip causing the interference. There are two ways to
accomplish this:
Figure 6
Loosening the Screws
for a Flush Fit
1. Drill through the lip of the box at the screw points.
2. Cut notches into the lip with a pair of diagonal cutters.
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SPECIFICATIONS
Op erat ion
Audio Power
Handling
200 Watts/channel
peak music power
100 Watts/channel
continuous power
1. Make sure the amplifier or receiver power is OFF and set
the volume to minimum.
2 . Set th e VCS-2 D-HP vo lu m e to m axim u m (fu lly
clockwise).
3. If you are using a Niles speaker selection system, locate
the ON/OFF button which corresponds to the speaker pair
you wish to play. Set it to the ON position.
Mounting
In-wall, fits into most
18 cu. inch single-
gang electrical boxes
at least 2 3/4” deep,
Decora-style faceplate
4. Turn on the amplifier or receiver and select a source,
such as the tuner or CD player.
Wiring Requirements
Individual runs of
2-conductor speaker
wire, 14-22 gauge
5. Slowly turn up the amplifier or receiver volume and set it
to a comfortable (not maximum) listening level. Be careful
not to overdrive or "clip" your am plifier. If the sound
becomes muddy or distorted, you have reached the limit of
your am plifier’s volum e capability and should quickly
reduce the volume to avoid damaging your speakers.
Unit Dimensions
1 5/8" wide x 2 5/8"
high
Face Plate Dimensions
Decora wall plate;
2 3/4” wide x 4 1/2”
high
6. Adjust the volume of the speakers to the desired listening
level using the VCS-2D-HP. If all the speaker pairs in your
system are equipped with Niles volume controls, you can
leave the amplifier or receiver volume set at one position
and use the Niles controls exclusively.
Depth Behind Plate
2 9/16”
7. You can turn off the speakers by turning the knob on the
VCS-2D-HP fully counter-clockwise, or by pressing the
ON/OFF button on your speaker selector.
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NILES ®
Niles Audio
Corporation
www.nilesaudio.com
12331 S.W. 130 Street
Miami, Florida, 33186
Tel: (305) 238-4373
Fax: (305) 238-0185
©1999 Niles Audio Corporation. Niles and the Niles logo are registered
trademarks of Niles Audio Corporation. Decora® is a registered trademark of
Leviton Manufacturing Company. DS00134A
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