PDA200E Induction Loop Installation Manual
Contents
1. O ojojo Un Balanced Line ojo Page 5 Fitting Outreach Plates Outreach plates can be daisy chained together and connected as a single line level input Mounting Outreach plates Outreach plates should be mounted on a 25 mm single gang box 1 Run the 2 pair screened audio cable supplied in kits from the PDA200E to the first Outreach plate and secure with an appropriate gland 2 Connect the PDA200E to the Outreach Plates in accordance with V on PDA200E to V on the Outreach Plate GND on PDA200E to GND on the Outreach Plate L on PDA200E to AU on the Outreach Plate L on PDA200E to AU on the Outreach Plate 3 Connect the second Outreach Plate if required to the first Outreach Plate as described above 4 Fit the Outreach plate to the outlet box using the screws provided 2nd Outreach Plate ist Outreach Plate So 2 m AU_BUS_IN BUS Q L a ALBIN aa rion akekee NB For installation of Outreach plates purchased before Jan 2003 please contact your supplier Connecting the Alert Function To trigger the alert signal close a switch across pins ALT and V on the al2. doo y uBnoiuu uo ZHYZ 8 SAejd payeanoe u uA U9IUA I qQioop B o p iIA u q sey 19661 yee ay uu ls s ss ippeB oljqnd e wo p J ul AOOL 8 pue dv Solu payunow jem OM J00ZYAd 84 olu 9 1ID D IIA LWY 5 ISIS s aS my O O Ils 6686868 e HOH WS w j yea ae noez JBIINSN 2 2 lt Buu surely Q W S S VA Wd W014 p J Bul AOD p lo uuoo jou Q eds qe5 doo ul A00L wwo uoydou p unow ys p e s s jyn uS UA wajshs jdwex ue SMOUS DIJEWAUOS SIU L INVUISYIS IJMWLXI 300ZU d Page 2 PDA200E Induction Loop System Installation Guide Important Information This system must only be installed and maintained by a suitably skilled and technically competent person THIS EQUIPMENT IS A PIECE OF CLASS 1 EQUIPMENT AND MUST BE EARTHED The installation guide must not be accessible to the user No responsibility can be accepted by the manufacturers or distributors for any misinterpretation of these instructions or for the compliance of the system as a whole Equipment guarantee This equipment is not guaranteed unless the system is installed and commissioned in accordance with national standards by an approved and competent person or organisation PDA200E Amplifier System Information Audio Frequency Induction Loop Systems AFILS offer clear sound to peopl
3. the base of the unit This equipment is designed for permanent mains connection and must not be connected using a plug and socket Document No DCP0002129 JC 28 04 04 Rev 6 PDA200E Induction Loop System Installation Guide Connecting Inputs Microphones Microphones can be wired direct to the PDA200E Mic input as shown below Balanced mics should be wired as GND MIC and Mic which carries the 12V phantom power Non balanced mics ie AMT after removal of 3 5mm jack plug AML and AMD should be wired as live to Mic screen to Gnd and MIC linked to GND Connect to electret mic ND z Ofoyololfolfolfo ololfo Balanced Mic Connect to electret mic OJOJOIOJOIOJOJ LOROLO Un Balanced Mic Line Level Unbalanced line level inputs should be wired as diagram below with live to Lin screen to Gnd and Lin linked to GND Balanced Line level should be wired as the outreach plate omitting the V connection Line Level IN GND LIN Lin GND
4. for the compliance of the system as a whole The manufacturers policy is one of continuous improvement and we reserve the right to make changes to product specifications at our discretion and without prior notice E amp OE Document No DCP0002129 JC 28 04 04 Rev 6 PEOLSAO s leoIpu Ajusuewsad uo 1ju uino ye d saBessed pnol ul Ajjeuolsieo90 S1 yDIIJ 46 juano yead y Jey os AHNp 18S Z uonp ip su jduupxg doo7 uono npu JOOTVGd O O B 5 SAUQ DJ uan JO g Ajayewxosdde yoeq Aou p u u a6essed pnol u uo s uio5 snf jun y JO Uu03 y uo e 1uBIl LUI BU JEU os 343 JOS L OAD JOAS 8 uo J s Lgj FPA O9IN IIN uoydou ys p LWY y Bed uo p l ie p SI UOBWIOJUI Bsn pue uono uuo2 sulen ma 2 ion Loop System Installation Guide o 3sn3 Fih NW 1 no peyunow ajqeo S uu p ocue equn p u s 2100 a Buls M 19q JaQi00q Z 9 u pj g Be ajqeo opne pauselos Jed UML Document No DCP0002129 JC 28 04 04 Rev 6 u sng NY u sng NY ejd yoeauino le q uog nno
5. B Dynamic range gt 70 dB Noise lt 67 dB CMRR gt 84 dB Distortion lt 0 33 THD 1 kHz 0 dBu Mains voltage 230V AC 10 20 Dimensions LxHxD Weight 273 mm x 200 mm x 77 mm 2 9 kg Power consumption lt 80 VA Output drive current Max peak gt 8A EBU PPM gt 5 5A Sine 1 kHz gt 2 1A RMS Loop coverage 120m Loop impedance 0 2 to 20 Indicators Power on Green LED Audio in limit Red LED Loop Drive Yellow LED Document No DCP0002129 JC 28 04 04 Rev 6 PDA200E Induction Loop System Installation Guide Outreach Plates Outreach input plates may be connected to the line input increasing the number of inputs and allowing them to be installed in convenient places You cannot connect two sources directly to one input as the sound quality will be severely degraded APM Omni directional mic for wall ceilings or can be mounted in desks and includes on board mic to line level converter which allows plate to be connected to the line input APXL APXM XLR Plate for electret microphones or mixing desks Available in Line and Microphone level versions APQL APQM 1 4 Jack socket Plate for electret microphones or mixing desks Available in Line and Microphone level versions If APQM is used with a radio microphone Phantom power must be disabled i e jumper removed Outreach Plates Available APM APJ APX APL APQ Omni directional room mic for wall ceiling 3 5 mm mono jack p
6. This document should be incorporated in the maintenance manual Do not leave with the system operator PDA200E Induction Loop System Installation Guide Range Tech n ical Features a Fully automatic compressor limiter controls The PDA200E is a current mode induction loop SUDUL leve amplifier with the following features Balanced microphone and line level controls Phantom power on microphone input for 2 Up to 120m coverage ideal for most electret microphones applications a Straightforward internal screw connections 100 ne input rom eevee a Ideal for electrical contractors no audio Larger Coverage from smaller cable due to 20 loop drive connectors I m Complete with full instructions and loop a Wall mounted for permanent installation fitted sticker Internal controls avoid user tampering g Contractor kits available for retail offices m Mid range tone control to improve intelligibility places of worship etc a Alert input amp tone generator for door bells fire a Additional line and microphone inputs using alarms etc Outreach plates PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLING AND OR MAINTAINING THIS EQUIPMENT These instructions are general and cannot be considered to cover every aspect of loop amplifier installation No responsibility can be accepted by the manufacturers or distributors of this loop amplifier for any misinterpretation of an instruction or guidance note or
7. akes the sound more warm Close the lid Secure using the 2 Allen bolts supplied Test the system Apply a test signal and check that the system works satisfactorily Ideally the RxTI loop listener should be used or a national health hearing aid Walk round the room and note areas where the signal is weak BS7594 acknowledges that it may not be possible to cover all areas These areas should be marked to show the system is not available Page 7 Technical Specification PDA200E Microphone input Impedance Balanced 8kQ Unbalanced 5kQ Sensitivity 65 dB Phantom power 12V d c 5 mm plug on screw connectors Sensitivity 65 dB Line level input Impedance Balanced gt 20kQ Unbalanced 16kO Sensitivity 0 dB 100V line input For direct connection to 100V line PA systems Impedance gt 20kO Sensitivity 40 dB Input level control Line to 3 dB Microphone to 45 dB Tone control Mid range tone control with cut and boost function Frequency 1 kHz Cut 17 dB Boost 17 dB Alert input For audible alert tone triggered by switch to 12V DC Voltage input 12V DC 250 mA for triggering alert input and providing auxiliary power for outreach plates Performance Bandwidth 100 Hz 5 kHz 0 d
8. arf must be kept out of the enclosure and great care must be taken not to damage the wiring or components If removing lid remove the four wiring loom connecting blocks cat FUSE TOL N N Note Transformer is fitted with a thermal fuse in the primary r G The metal lid may be removed screws at the top of the front panel using the 3 mm Allen key supplied for ease of mounting undo the i Page 4 Mains Wiring Neutral Earth 230V AC FREN r Fuse 1A HRC Mains Wiring Connect mains to the PDA200E The 230V a c cable MUST enter the enclosure via one of the knock outs at the top right hand corner of the enclosure This equipment requires fixed wiring using three core cable no less than 0 75 mm and no more than 2 5 mm fed from a 3 Amp fuse spur fitted with an all pole isolating switch with at least a 3mm gap on each contact located no more than 3 metres from the amplifier Wire as in the diagram Correctly terminate the mains input lead using the fixed mains connector on
9. e who wear hearing aids fitted with a telecoil AFILS transmit the amplified sound e g music speech etc to the hearing aid and minimise distracting and annoying background noise Page 3 General precautions Do not test wiring with an insulation tester Megger with any equipment connected as the 500 Volt test voltage will destroy these devices totally Unpacking Upon receipt of the amplifier shipment please inspect for any damage incurred in transit If damage is found please notify your supplier and the transport company immediately State date nature of damage and whether any damage was noticed on the shipping container prior to unpacking Please give the waybill number of the shipping order The unit should not be placed in areas 1 with poor ventilation 2 exposed to direct sunlight 3 with high ambient temperature or adjacent to heat generating equipment 4 with high humidity or dust levels 5 susceptible to vibration 6 on the exterior of a building A basic system comprises a PDA200E amplifier and sound source The PDA200E is supplied separately or as part of a kit with Outreach plates The PDA200E has direct inputs for microphones and other sound sources These inputs can be expanded by fitting several Outreach plates All kits include a PDA200E amplifier and 6m of Belden 8723 cable per Outreach plate PDA200E Kits AKM1 Meeting seminar room kit AKL1 Lecture room kit AKT1 TV Music L
10. ert header The alert in put can also be connected to fire alarms doorbells Connecting the 100V line This should be wired into the termination block as shown in the diagram on Page 2 of the manual Ensure that the cables are connected in accordance with the colour coding shown Document No DCP0002129 JC 28 04 04 Rev 6 PDA200E Induction Loop System Installation Guide Installing the Loop Cable The loop cable should be laid in a single turn and wired into the Termination block as shown in the diagram on page 2 of the manual In the vast majority of cases loop cables are normally mounted horizontally around the perimeter of the room to be covered either at ceiling or floor height They may also be installed under carpet by using flat loop cable Do not install the loop cable closer than 1 2M to a hearing aid position Input from VA system t 100V Lin 1 0mm Single core lt 2 pair screened audio cable Bi e g Belden 8723 2 Loop cable Typical PDA200E Installation This system mounts the loop cable and amplifier above the suspended ceiling and utilises two wall mounted microphones APM The system also connects direct to the 100V speaker line of a public address or voice alarm system in order to receive general paging messages and emergency announcements Overspill and more complex installations Overall length The magnetic field is not confined to the area within the loop and the signal may be
11. heard in ad jacent areas such as a corridors and up to three times the width of the loop away lt 2 m 4 p 2m4 If this is a problem there are special designs of loop that can reduce the overspill field The AFILS British Standard BS 7594 suggests several technically complex solutions that are reasonably effective but are rarely employed due to high cost 0 75m Overall width A low cost but effective method to reduce overspill is to make a smaller loop typically in the centre of a room The smallest practicable loop for floor or The amplifier may be connected to any point on the loop ceiling mounting up to 3 metres high is 2 metres ee square This will provide a reasonable field at head The pattern should be spaced approx 2m from the height above the loop and up to four metres away nearest wall next pattern prongs of the fork should in all directions be spaced approx 2m apart and should be approx 2m wide prongs should extend approx 0 75m off This loop may be installed above a suspended the base of the fork ceiling or in plastic conduit in the floor Flat cable may be used under carpet Ifthe loop user is confined to a bed for example in a hospital or a nursing home then the loop pattern In larger installations overspill can be reduced by should take into account the position of the user and laying the loop in an electric grill pattern Each the field strength
12. late for unbal anced microphones XLR plate for hand mics mixing desks line level for TV sets or other audio 1 4 line or microphone level plate Outreach plates can be daisy chained together as illustrated below 1 mm Loop Cable 100 Volt line input from Public Address APJ 3 5 mm mono Jack Plate with phantom power for the connection of electret microphones APL Audio Plate with dual phono stereo to mono converter for use with TV set SCART lead 6 or audio equipment API AFILS Active indicator Shows that the AFILS system has power applied Accessories Available separately AMT Tie Clip Desk mic AMH Handheld mic AML Lectern mic AMD Desktop mic AMP Phantom powered condenser mi crophone AMR Handheld or Lavaliere radio micro phone APS SCART lead for APL plate Pro45 Hanging ambient microphone API AFILS Active indicator 1 mm Loop Cable 2 core A audio cable T amp E Twin amp Earth Direct input Page 8 230 V a c microphone 2 core 8255 Z aka stss 3 Amp luse spur fitted with an all pole isolating switch PDA200 E amplifier gt lt APJ T amp E Jack 2 rot Plate core v I wa 1 re ooo Alert input Gp 2 pair standard i audio cable k H 2 pair screened x 12 core I i 1 i L 2 pair std audio cable r g microphone APL Line APX APM Level XLR ceiling Plate Plate microphone St 2 vai va
13. le 2 pair std audio cable audio cable I I I I c Desk microphone SCART input from TV Outreach plates can be daisy chained together Document No DCP0002129 JC 28 04 04 Rev 6
14. of the loop and a loop pad may be pattern can be considered as a many pronged fork the simplest solution Page 6 Document No DCP0002129 JC 28 04 04 Rev 6 PDA200E Induction Loop System Installation Guide SECOND FIX Internal controls Three internal controls are located on the PCB which is mounted on the lid of the PDA200E The level control is used to set the input level into the amplifier Apply a typical audio source such as a CD or test signal and adjust so that the limit indicator on the front panel just comes on then move back approximately 1 8 of a turn If this indicator is either on constantly or not on at all with the signal present then the amplifier may need further adjustment If this level is set too high then the life span of the amplifier may be significantly shortened The drive control is used to increase or decrease the level of the output of the amplifier and should be set up after the limit has been set It should be set so that the peak current 3 indicator is either not on or is just occasionally flashing Adjusting this control to the point where the peak current 3 indicator is lit permanently may damage the amplifier The tone control is used to improve intelligibility of speech or make the sound more natural Turning the control clockwise boosts mid range by up to 17 dB to improve speech intelligibility Turning the control anti clockwise cuts mid range by up to 17 dB and m
15. ounge kit AKW1 Place of Worship 1 kit AKW2 Place of Worship 2 kit with radio microphone AKR1 Waiting room kit AKH1 Health amp Fitness Club kit AKU1 Retail unit kit Document No DCP0002129 JC 28 04 04 Rev 6 PDA200E Induction Loop System Installation Guide FIRST FIX Before any of the following is carried out ensure that the mains power supply is isolated Equipment Location All equipment must be sited indoors and MUST NOT be subjected to conditions likely to affect its performance such as damp salt air water extreme temperatures physical abuse etc Wall mounted equipment should be sited at an easily accessible height Remove knockouts Decide how the wiring will be brought into the panel and remove the required knockouts for cable entry a basic system would require three for mains microphone or outreach plates and loop cable If a knockout is removed fill the hole with a good quality cable gland Unused knock outs must be securely blanked off Observe proper segregation of wiring Mains loop and low power wiring must not come into contact eg feeding through the same gland or allowing wires of one type of connection to cross those of another If the 100V input is used these wires must also be segregated from the other inputs The PDA200E can be surface mounted using the three mounting holes in the unit base The mounting holes are designed for No 8 roundhead or countersunk wood screws Any dust or sw
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