Niles Audio VCS-2D-HP User's Manual
Contents
1. a H I G H P O W E R S T E R E O V O L U M E C O N T R O L DS00134A VCS 2D HP 2 4 99 4 10 PM Page 7 Installation 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 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 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 The inputs of the VCS 2D HP are the connector 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 8 Figure 3 Wiring th2. 99 4 10 PM Page 1 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 G Silent When Off Niles controls completely silence your speakers when they are at the full off position G 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 G Mounting depth of only 2 9 16 Fits into standard 18 cu in 1 gang electrical boxes G Printed circuit board construction uses no hand wiring assuring high reliability G Tested Performance 100 tested electronically and acoustically for frequency response distortion and power handling 2 H I G H P O W E R S T E R E O V O L U M E C O N T R O L DS00134A VCS 2D HP 2 4 99 4 10 PM Page 4 G Isolated left and right channel grounds make it safe for use with any amplifier G May be used with 4 6 or 8 ohm speaker systems G Ideal for both home and commercial sound installations G Available colors White Bone Almond or Black G Proudly made in the USA G Ten ye
3. There are two ways to accomplish this 1 Drill through the lip of the box at the screw points 2 Cut notches into the lip with a pair of diagonal cutters 9 H I G H P O W E R S T E R E O V O L U M E C O N T R O L Figure 6 Loosening the Screws for a Flush Fit Figure 5 Installing the Connectors DS00134A VCS 2D HP 2 4 99 4 10 PM Page 3 Operation 1 Make sure the amplifier or receiver power is OFF and set the volume to minimum 2 Set the VCS 2D HP volume to maximum fully 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 4 Turn on the amplifier or receiver and select a source such as the tuner or CD player 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 amplifier If the sound becomes muddy or distorted you have reached the limit of your amplifier s volume capability and should quickly reduce the volume to avoid damaging your speakers 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 7 You can turn off the speakers by turning the knob on the VCS 2D HP f
4. 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 4 Tech Tip 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 H I G H P O W E R S T E R E O V O L U M E C O N T R O L DS00134A VCS 2D HP 2 4 99 4 10 PM Page 8 VCS 2D HP Mounting Location Convenient mounting locations for the VCS 2D HP are G Near entryways or exits G Near a desk G At your bedside G Close to a telephone G 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 sa
5. VCS 2D HP I N S T A L L A T I O N amp O P E R A T I O N G U I D E NILES M O D E L VCS 2D HP HIGH POWER STEREO VOLUME CONTROL VCS 2D HP DS00134A VCS 2D HP 2 4 99 4 10 PM Page 12 Introduction The VCS 2D HP is a wall mount Decora style speaker vol ume control It connects between the speaker level output of an amplifier speaker selector etc and a pair of speakers A perfect application for the VCS 2D HP is adjusting the volume of remotely located speakers The VCS 2D HP adjusts the volume of speakers connected to it by attenuating the amplifier signal Niles volume controls use autoformers instead of L pads for the volume controlling element The use of autoformers assures minimal internal power dissipation with virtually no power wasted as heat Features and Benefits The VCS 2D HP offers a number of improvements over other volume controls G High Power Handling Power handling 200 watts chan nel peak music power 100 watts per channel continuous G Premium 12 Step Control The VCS 2D HP uses a 12 position control which is superior to 10 position designs You get a broader range of adjustment there are 10 steps TABLE OF CONTENTS Introduction 1 Features and Benefits 1 Installation Considerations 3 Installation 8 Operation 10 Specifications 10 H I G H P O W E R S T E R E O V O L U M E C O N T R O L VCS 2D HP High Power Stereo Volume Control NILES DS00134A VCS 2D HP 2 4
6. ar parts and labor warranty Installation Considerations The VCS 2D HP is a Decora style module and is designed to use standard Decora style faceplates and mounting hardware Decora faceplates up to 6 gang with color matched plate screws are available from your Niles dealer 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 Only required if changing color of unit TOOLS REQUIRED No 2 Phillips Screwdriver 1 8 Standard Slotted Screwdriver 1 4 Standard Slotted Screwdriver Wire Stripper 5 64 Allen Wrench H I G H P O W E R S T E R E O V O L U M E C O N T R O L DS00134A VCS 2D HP 2 4 99 4 10 PM Page 5 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 Type of Speaker Wire For most applications we recommend
7. b 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 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 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 6 Figure 2 Removing the Decora style Insert TECH TIP Do not exert excessive pressure on the plastic mounting tabs H I G H P O W E R S T E R E O V O L U M E C O N T R O L DS00134A VCS 2D HP 2 4 99 4 10 PM Page 10 7 a Electrical Box b Speaker Wire 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 b c d e f g h
8. e Connectors VCS 2D HP From Amplifier Input To Speakers Output SPEAKERS RECEIVER Figure 4 Wiring Diagram H I G H P O W E R S T E R E O V O L U M E C O N T R O L DS00134A VCS 2D HP 2 4 99 4 10 PM Page 6 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 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
9. me 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 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 5 Figure 1 Removing the Knob H I G H P O W E R S T E R E O V O L U M E C O N T R O L DS00134A VCS 2D HP 2 4 99 4 10 PM Page 9 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 kno
10. ully counter clockwise or by pressing the ON OFF button on your speaker selector 10 H I G H P O W E R S T E R E O V O L U M E C O N T R O L SPECIFICATIONS Audio Power Handling 200 Watts channel peak music power 100 Watts channel continuous power Mounting In wall fits into most 18 cu inch single gang electrical boxes at least 2 3 4 deep Decora style faceplate Wiring Requirements Individual runs of 2 conductor speaker wire 14 22 gauge 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 Depth Behind Plate 2 9 16 DS00134A VCS 2D HP 2 4 99 4 10 PM Page 2 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 DS00134A VCS 2D HP 2 4 99 4 10 PM Page 11
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