Model PS20D630 20 Watt Amplified Horn Loudspeaker Installation
Contents
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3. Model PS20D630 20 Watt Amplified Horn Loudspeaker Installation and Operating Instructions DOCUMENT NUMBER PS20D630 OEM 01 REVISION 1 2 8th December 2008 TABLE OF CONTENTS SAFETY NOTES SYSTEM OVERVIEW INSTALLATION NOTES RECOMMENDED CABLE TYPE CONNECTION DETAILS TESTING ADJUSTING GAIN amp VOLUME CONTROLS TECHNICAL SUPPORT ILLUSTRATIONS amp DIAGRAMS MOUNTING BRACKET DIMENSIONS amp DRILLING DETAILS WIRING DRAWINGS BALANCED amp UNBALANCED TESTING USING A PERSONAL STEREO DEVICE e g MP3 Player REMOVING THE REAR COVER PCB SWITCHES amp VOLUME CONTROL LOCATIONS GAIN TABLE amp SWITCH SETTINGS DETAIL DOCUMENT NUMBER PS20D630 OEM 01REVISION 1 2 8 December 2008 Page 3 Page 4 Page 5 Page 5 Page 5 Page 7 Page 8 Page 8 Page 5 Page 6 Page 7 Page 7 Page 8 Page 8 Page 2 of 8 SAFETY PRECAUTIONS AN WARNING The warnings listed below may seem to be ridiculously obvious but please be sure to read and heed them carefully before installation and use Please observe the instructions in this manual as the conventions of safety symbols and messages should be regarded as very important We recommend that you keep this instruction manual handy for future reference AN CAUTION Use only a power supply with the specified output voltage and current as exceeding the specified limits could result in fire or other failures o avoid accidental air explosions do not use the unit around
4. es from jack plug as shown Connect shields of both cables and insert wire loop between shield and Green wire from loudspeaker unit as shown above OR connect link J1 on PCB inside loudspeaker unit see following text Switch on the AC power to the loudspeaker s power adapter and audio should be heard from the loudspeaker When the system is fully operational you should adjust the gain of the amplifier module and or the volume control to give the ideal output level The gain and volume controls are on the PCB inside the back cover of the loudspeaker unit see drawing on next page These should be set during commissioning using the audio from the system s source device Remove the four screws which hold the rear cover in place shown on the right Carefully remove the cover Take not to lose the screws or gasket and do not pull on the internal wiring Rear View DOCUMENT NUMBER PS20D630 OEM 01REVISION 1 2 8 December 2008 Page 7 of 8 To Set the Gain and volume level of the amplifier module 1 Remove the back cover of the loudspeaker On the PCB inside there is a 2 way DIP ODEL CDAYP20 REV 2 1 switch marked SW1 Gain ADVANCED VISUAL Set both of these switches to ON This H2 a sets the module to minimum gain 124b 2 Adjust the volume control anti clockwise for volume down or clockwise for volume up until the output level is adequate If the output level is insufficient set
5. gasoline thinner or other combustibles e Install the unit only in a location that can structurally support the weight of the unit and the mounting bracket Doing otherwise may result in the unit falling down and causing personal injury and or property damage e Ensure that the additional weight of any build up of snow or ice on the speaker cannot cause the unit to fall causing personal injury and or property damage Be sure to mount the bracket securely using appropriate fixings If extreme force is applied to the unit it could fall causing personal injury and or property damage e Tighten each fixing securely Ensure that the bracket has no loose joints after installation so as to prevent accidents that could result in personal injury e Attach a safety wire to the unit when mounting in locations high above the ground Failure to do so could result in personal injury or property damage if the speaker should later fall for any reason e Avoid mounting the unit in locations exposed to constant vibration The mounting bracket could be damaged by excessive vibration potentially causing the speaker to fall which could result in personal injury Avoid installing the unit in excessively dusty locations or in locations exposed to heaters solvents acid alkali smoke or steam as excessive exposure to these factors could result in speaker failure fire or electric shock Do not operate the unit for an extended period of time with
6. he maximum power output is approximately 8 Watts RMS DOCUMENT NUMBER PS20D630 OEM 01REVISION 1 2 8 December 2008 Page 4 of 8 INSTALLATION The unit should be mounted where required by means of the supplied stainless steel U bracket Mounting Bracket Dimensions mm Front View 152 3 Holes 1 1 mm Dia Advanced Visual Solutions Limited When installing the speaker be sure the drain hole Is positioned facing the ground Without the drain hole positioned correctly rain could flood the Drain Hole Centre speaker causing it to fail Cone IMPORTANT NOTE The power adapter is not weatherproof It should be mounted in a dry area no more than 10 metres away from the loudspeaker unit Do not apply mains to the power adapter yet Terminate the audio signal and DC power connections to the flying lead of the loudspeaker unit Ensure that the chosen termination method is waterproof The cable type we recommend is BELDEN TYPE 8723 or equivalent The connections are as follows BALANCED LINE INSTALLATION Wire Colour Connect To RED 18VDC BLACK OVDC WHITE Audio Signal HOT GREEN Audio Signal COLD SHIELD Do not connect Earth at signal SOURCE end UNBALANCED INSTALLATION Wire Colour Connect To RED 18VDC BLACK OVDC WHITE Audio Cable Signal Core GREEN Loop to SHIELD SHIELD Audio Cable Screen See following sample drawings DOCUMENT NUMBER PS20D630 OEM 01REVISION 1 2 8 December 2008 Page 5 of 8
7. nced although unbalanced signals may be used and an internal selector jumper is provided to allow for either In Balanced mode the audio input of the unit is transformer isolated This prevents Ground loop hum and also provides isolation from the cable of up to 500 Volts DC The unit has switchable gains of 12 18 24 and 36db and is suitable for signal levels ranging from 500mV p p to 3000mV p p and has a nominal input impedance of 1KQ The loudspeaker s frequency response dynamic range and dispersion pattern are optimised for the transmission of human speech The unit is weatherproof to IP65 rating If the unit is disassembled during installation or servicing care must be taken to ensure that glands and gaskets are correctly refitted The unit is supplied with a 2 metre flying lead This is a shielded 2 pair type cable During final termination do ensure that the wiring connections are protected from the ingress of moisture If the wire terminations are not adequately protected premature failure of this unit or other associated equipment is almost certain The unit is supplied complete with a switched mode power adapter This has a universal input rating of 90 gt 280Volts AC 50 gt 60Hz and a regulated output of 18Volts DC 1100mA This unit will operate with a regulated supply Voltage range of 9 Volts DC to 18 Volts DC Operating at Voltages lower than 18 Volts will reduce the maximum power output e g at 12 Volts DC t
8. the gain to the next highest gain according to the following table and repeat the procedure with the volume control This may be done at all gain settings until an adequate output level is just achieved Setting the gain to the minimum required will minimise any unwanted noise pickup That s it You may now replace the rear cover As this speaker unit is weatherproof to IP65 care must be taken during the replacement of the back cover to ensure that glands and gaskets are correctly refitted and watertight DOCUMENT NUMBER PS20D630 OEM 01 REVISION 1 2 8 December 2008 Page 8 of 8 th
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