Installation Instructions for Model PA500F
Contents
1. CABLE CHASSIS PC BOARD REO 5 7 25 7 P3 6 023 5 VOLTS PS 6 145 6 war P2 3 32 6 RADIO gt o REM HL YEL 5 13 95 13 BLU P2 2 22 7 MANUAL gt M H L P5 25 P3 7 03 2 WAI BLU gt PINK 3 2 L arn 5 0 250 veL P3 8 5523 1 YELP pae 5 4 5 14 wkT BLK P2 4 142 5 HI LO P2 1 J2 it 5522 8 PEAK 5 8 5 3 2 5 3 7 AIR HORN GRN 8 ERN 3 2 gt 145 FRONT VIEW i2 H 10 H 4050 WHY R27 i R M H L 33K i i RI 55 5 n 3 5 ORK 542 22542 pap P3 4 RATE OSCILLATOR i FRONT VIEW W 1 5 CRIG 184738 i BV H TAP X CONTROL P5 4 5525 4 2 SILVER NOTES 1 UNLESS OTHERWISE SPECIFIED 7B zip cORD PORK ALL RESISTORS ARE IN OHMS 596 1 4W K 000 MEGOHM P5 5 J5 5 wHT GRN PI iJI B ALL CAPACITOR VALUES ARE IN MICROFARADS UF GOLD gt gt i 2 4 DESIGNATES PRINTED CIRCUIT BOARD GROUND DM 3 DESIGNATES CHASSIS GROUND 5 4 4 DESIGNATES 8 0175 REGULATED PASOOFH 0 2 RED J5 P2 8 J2 13 P5 IRED JS I 2 8 52 1 MIC AUDIO wr L js i x 85 2806 15 2 GRN P2 6 42 3 PTT 7 P5 3 45 32. PIN 103 BLK 3 H i PAL l e 07 ER wuN A i SILVER ii RADIO CORD PE am i 255A2071 REV I 1295 TB2 EXTERNAL RED 1201 4 ALERTE GRA 201 1 201 1 P5 9 WHT HI E a GNO POS COM 0 P202 2 J202 2 ji PWR PWR R202 H T8201 047 58W SPKR YEL o 24 2 BLK 100 SPKR RED SPKR COM F a202 C202 2N5885 Y 0 005 i 8202 5 4021 io CR20 2 C2042 C203 P202 1202 4 SAGT 440 1 0 00 gt gt 12 R2 1 0 47 i ew Figure 5 3 Model PA500F Schematic Diagram 290C20 56 Printed in U S A
3. P2 5 542 4 GND Ris SHED 4 i m cio SHIELD 5 5 6 mz Cis T i i E 22 H H H H AUDIO INPUT STAGE 18 150 i wy H 9123 ic R35 5 44 12 P4 B BRN 4201 3 P201 3 UNI H CS lt lt E H PI 7 Lil 2 EXTERNAL GAIN CONTROL AUS 150 5 14 3 4 6 GRN 201 2 1 201 2 i 10 005 i e R49 lt E T Pi 6 Il 3 TURN ON DELAY NETWORK jo 95 a c Ad Ix 5 286109 H H i P3 5 313 4 IGNITION INPUT POS 10 286103 H H H 4 l 0 003 71 PA EJ b oa orc r tna ene 1 H 0 L CL I 14 87 P4 1 8 l h n l WHT VEL h H H i H 22017 P2017 H 41 P4 5 pen 4201 5 P201 5 i MR A 89 e i Peta Vere OUTPUT AMPLIFIER i CONTROL T WEAD i Biol INTERNAL 052 1083 PIOI 3 Il 3 AIR T on H IGNITION waT ioi 6 5 6 PRP kat Potter MAN OFF i PIQI 5 1 5 f SIREN i i PEO y RED i FEM NOTE 102 2 42 2 IGNITION RED IF OPTIONAL PIO2 gt J2 i GROUND BLK JUMPER 0101115 x ADDED THE FOIL PI02 3 gt 42 5 HORN WHT YEL PATH OF JUIO2 PIOZ 4 42 4 RING ver MUST BE CUT i MICROPHONE
4. The power cable assembly located in the accessory kit is a 4 wire cable terminating in an orange edge connector This connector should be installed on the mating 4 pin connector J2 located on the Control Head PC board and should be ori ented so that the wires protrude toward the middle of the board The following paragraphs describe the installation of the leads at the other end of the power cable 1 Horn Ring figure 3 3 If the horn ring will not be used to control siren operation fold back and insulate the YEL and WHT YEL wires in the power cable and disregard the procedure in this paragraph However in order to utilize the Tap II and Press and Hold features of the siren the following procedure must be performed a Locate the wire that connects the vehicle horn ring switch to the horn or horn relay Cut this wire b Splice the yellow wire in the power cable to the horn ring side of the wire that was cut in step a Insulate the splice with a wire nut supplied CAUTION The horn ring transfer circuit of the siren is capable of switching a maximum of 2 amperes Some vehicles do not have a horn relay and consequently will draw more than 2 amperes when the vehicle horn is activated Consult your vehicle service manual or a qualified mechanic to determine the current required to activate the horn If it is less than 2 am peres perform the procedure in step c If it is greater than 2 amperes perform steps d t
5. Sound Hazards Your hearing and the hearing of others in or close to your emergency vehicle could be damaged by loud sounds This can occur from short exposures to very loud sounds or from longer exposures to moderately loud sounds For hearing conservation guidance refer to federal state or local recommendations OSHA Standard 1910 95 offers guidance on Permissible Noise Exposure effective sirens and horns produce loud sounds which may in certain situations cause permanent hearing loss You should minimize your exposure times and wear suit able hearing protection During Installation DO NOT connect this system to the vehicle battery until ALL other electrical connections are made mounting of all components is complete and you have verified that no shorts exist Be sure the siren amplifier and speaker s in your installation have compatible wattage ratings In order for the electronic siren to function properly the ground connection must be made to a solid chassis component and not to an insulated point 3 1 e Sound output will be severely reduced if any objects are in front of the speaker If maxi mum sound output is required for your appli cation you should ensure that the front of the speaker is clear of any obstructions e Install the speaker s in a location which pro vides maximum signaling effectiveness and minimizes the sound reaching the vehicle s occupants e Installation of two spe
6. of control cable at Control Head Input Voltage Polarity Standby Current Operating Current Control Head amp Ampl Frequency Range Cycle Rate Voltage Output approx Audio Frequency Range Harmonic Audio Distortion 300 3000Hz Operating Temperature Range Dimensions HWD Control Head Amplifier Module Net Weight Shipping Weight approx SECTION II SPECIFICATIONS 11 Vdc to 16 Vdc Negative ground electrical systems only 520mA incl panel lights 13 3A 1A at 13 6V with 5 5 ohm load 500 to 1500 Hz nominal Wail 12 cycles min Yelp 180 cycles min Hi Lo 60 cycles min 62V peak to peak 300 to 10KHz 10 max all power levels from 1 2 to 50 watts frequency response 3dB 30 C to 65 C 3 x 6 X 2 3 1 4 x 4 1 2 x 7 3 8 4 1 2 pounds 6 pounds 2 1 SECTION III INSTALLATION SAFETY MESSAGE TO INSTALLERS OF ELECTRONIC SIRENS WARNING The lives of people depend on your safe instal lation and servicing of Federal products It is important to read and follow all instructions shipped with the products In addition listed below are some other important safety instruc tions and precautions you should follow Before Installation Qualifications To properly install an electronic siren you must have a good understanding of automo tive electrical procedures and systems along with proficiency in the installation and service of safety warning equipment
7. screws are to be used drill 3 16 holes at the drill position marks Drill 9 32 holes at the position marks if the 1 4 20 cap screws lockwashers and nuts will be used Secure the Amplifier to the mounting surface using the mounting hardware including lockwashers 3 2 3 3 CONTROL HEAD INSTALLATION WARNING When installing equipment inside air bag equipped vehicles the installer MUST ensure that the equipment is installed ONLY in areas recommended by the vehicle manufacturer Failure to observe this warning will reduce the effectiveness of the air bag damage the air bag or potentially damage or dislodge the equipment causing serious injury or death to you or others The Control Head is designed to be flush mounted in any relatively flat surface To install proceed as follows A Select a location for the Control Head on the mounting surface that does not impair the drivers ability to safely drive the vehicle as he operates the siren The selected location should afford good visibility and free accessibility to the Control Head controls B Place the mounting template supplied in the accessory kit over the selected mounting loca tion Scribe a mark for each of the four mounting holes Also scribe a cut mark along the heavy dark line on the template CAUTION Take care not to damage wires or linkages located behind the dashboard while perform ing steps C and D C Drill four 0 120 diameter 31 drill m
8. 2 4 3 ON OFF SWITCH The ON OFF switch controls all power to the Model PA5OOF Depressing the switch to ON illumi nates the Control Head and activates a relay within the Amplifier which allows power to be applied to the Amplifier electronic circuitry 4 4 AIR HORN MANUAL SIREN SWITCH The AIR HORN MANUAL SIREN switch activates the electronic air horn sound up in any selected position except RADIO and the peak and hold sound in the STBY position 4 5 TAP II FUNCTIONS Tap II allows the driver to change the audible siren sound via the vehicle s horn ring This feature is especially effective for clearing traffic The chart below demonstrates how the horn ring can be used to change the siren sound TAP II FUNCTIONS Selector First Horn Second Horn Switch Ring Tap Ring Tap Position Produces Produces Wail Yelp Wail Yelp Wail Yelp 4 6 PRESS AND HOLD FUNCTION Additional alternate sounds can be activated when the Selector switch is set to STBY or HI LO While depressing and holding the horn ring and the Selector switch set to STBY peak and hold siren will sound In the HI LO position the air horn will sound Releasing the horn ring will cause the siren to revert back to the original function The TAP II functions can also be activated by depressing the MANUAL SIREN switch as shown below 1st Tap 2nd Tap Selector MANUAL MANUAL WAIL Yelp Wail YELP Wail Yelp HI LO Air Horn Hi Lo NOTE Peak and hold siren and
9. ER INSTALLATION A Secure both mounting brackets to the chassis with 10 thread forming hex head screws 2 for each bracket as shown in figure 3 1 CAUTION The Amplifier is NOT waterproof It must be mounted in a location which is sheltered from falling rain snow standing water etc Also it must be installed in an adequately venti lated area Never install near heater ducts Do not mount the Amplifier under the vehicle s hood B Select a suitable mounting location for the Amplifier Some possible mounting locations are in the equipment cabinet under the front seat or in the trunk under the rear deck near the rear seat speak ers if vehicle is so equipped Keep in mind that the control cable is 10 feet long and the power cable is 8 feet long C Using the chassis mounting brackets as templates scribe four drill position marks at the mounting location CAUTION Before drilling holes in ANY part of a vehicle be sure that both sides of the mounting sur face are clear of parts that could be damaged such as brake lines fuel lines electrical wiring or other vital parts D The mounting hardware supplied in the siren accessory kit provides the siren user with a choice of mounting hardware thread forming screws with lockwashers or 1 4 20 cap screws with lockwashers and hex nuts Consequently the holes drilled in the mounting surface must be appropriate for the mounting screws selected If the thread forming
10. LL other electrical connections are made and mounting of all components is complete Verify that no short circuits exist before con necting to the Positive battery terminal A Control Cable The control cable is designed to be installed between the Amplifier and the Control Head It consists of a 9 conductor cable a 3 conductor audio cable and clear zip cord To install the control cable proceed as follows 1 Install the control cable connector to the mating connector on the Amplifier 2 Route the control cable toward the Control Head WARNING Before drilling holes in ANY part of a vehicle be sure that both sides of the surface being drilled are clear of parts that could be dam aged such as brake lines fuel lines electrical wiring linkages or other vital parts 3 3 3 Ifrouting the cable requires drilling a hole in sheet metal or other material drill a 5 8 hole in the material Install 5 8 grommet not supplied or similar protective device in the hole to protect the cable from damage which sharp edges could cause 4 Connect the wires from the 9 conduc tor cable and 3 conductor audio cable to the terminal block TB1 installed on the Control Head PC board The PC board is silk screened to identify both cables audio and control and wire colors are also identi fied for ease of installation 5 The clear zip cord which is also part of the control cable can be used to allow incoming radio messag
11. PRICE 4 00 FEDERAL SIGNAL CORPORATION Emergency Products MODEL PA500F ELECTRONIC SIREN SERIES B INSTALLATION AND SERVICE INSTRUCTIONS LIMITED WARRANTY The Signal Division Federal Signal Corporation Federal warrants each ESO new product to be free from defects in material and workmanship under lt gt normal use and service for a period of two years on parts replacement and one year on labor from the date of delivery to the first user purchaser REZI dd ASAA During this warranty period the obligation of Federal is limited to repairing or replacing as Federal may elect part or parts of such product which oc after examination by Federal discloses to be defective in material and or Em workmanship Federal will provide warranty for any unit which is delivered transported prepaid to the Federal factory or designated authorized warranty service center for examination and such examination reveals a defect in material and or workmanship This warranty does not cover travel expenses the cost of specialized equipment for gaining access to the product or labor charges for removal and re installation of the product Lamps flash tubes or batteries are not covered under warranty This warranty does not extend to any unit which has been subjected to abuse misuse improper installatio
12. TBY hold the AIR HORN MANUAL SIREN switch in the MANUAL SIREN position and adjust R57 for 1400Hz at the siren output B Removal for Servicing To remove the electronic assembly located inside the Amplifier chassis for servicing proceed as follows see figure 5 1 1 Remove the four 10 thread forming hex head screws which secure the Amplifier chassis to the mounting brackets two screws on each bracket Lift the Amplifier away from the mounting brackets 2 Remove the four hex head screws on the amplifier s bottom which secure the cover to the Amplifier chassis HOUSING CHASSIS MOUNTING BRACKET REMOVE TWO SCREWS SECURING BRACKET TO FRONT OF CHASSIS TYPICAL BOTH ENDS 29042616 02 REMOVE FOUR SCREWS TOSLIDE OUT CHASSIS FOR SERVICING BOTTOM VIEW HOUSING CHASSIS 29042616 03 Figure 5 1 Chassis Removal 3 Remove the cover by sliding it away from the connector end of the chassis C Removal of Circuit Board The PC Board is secured to the chassis by four Phillips head screws Unplug the four wafer connectors before removing the screws 5 2 D Replacement of Output Transistors Failure of one or both of the output transis tors Q201 Q202 is usually the result of a defective speaker short circuited voice coil Rebroadcast of the unsquelched radio or music for long periods will also have a detrimental effect on the output transis tors and is therefore not recommended Federal recommend
13. air horn are the Press and Hold features SECTION V SERVICE AND MAINTENANCE SAFETY MESSAGE TO PERSONNEL SERVICING FEDERAL SIGNAL ELECTRONIC SIRENS The lives of people depend on your safe servicing of Federal products It is important to follow all instructions shipped with the products In addition listed below are some other safety instructions and precautions you should follow e Read and understand all instructions in this manual before servicing electronic siren properly service an electronic siren you must have a good understanding of automotive electrical systems and emer gency signalling procedures e effective sirens and horns produce loud sounds which may cause in certain situations permanent hearing loss You should take appropriate safety precau tions such as wearing hearing protection e DO NOT connect this system to the posi tive terminal of the battery until servicing is complete and you have verified that there are no short circuits to ground Inorder for the electronic siren to func tion properly the ground connection must be made to a solid chassis compo nent and not to an insulated point Failure to follow all safety precautions and instructions may result in property damage serious injury or death to you or others 5 1 GENERAL Most of the component electronic parts used in the Model PA500F are standard items that can be obtained from any radio or electronics
14. akers requires wiring Speakers in phase e DO NOT install equipment or route wiring or cord in the deployment path of an air bag e Locate the control head so the vehicle controls and microphone can be operated safely e When drilling into a vehicle structure be sure that both sides of the surface are clear of any thing that could be damaged e If wiring is shorted to vehicle frame high current conductors can cause hazardous sparks resulting in electrical fires or flying molten metal After Installation e After installation test the electronic siren speaker system and light system to ensure that it is operating properly e Test all vehicle functions including horn operation and vehicle light systems to ensure proper operation e After testing is complete provide a copy of these instructions to the instructional staff and all operating personnel e File these instructions in a safe place and refer to them when maintaining and or re installing the product Failure to follow all safety precautions and instructions may result in property damage serious injury or death to you or others 3 1 UNPACKING After unpacking the Model PA500 F examine it for damage that may have occurred in transit If the equipment has been damaged file a claim immedi ately with the carrier stating the extent of the damage Carefully check all envelopes shipping labels and tags before removing or destroying them 3 2 AMPLIFI
15. es to be rebroadcast over the outside speaker To make this feature available merely connect the zip cord across the two way radio s speaker B Speaker The unit is designed to operate with either one or two low power 58 watt or high power 100 watt 11 ohm impedance speakers A speaker is not included as part of the electronic siren FEDERAL speakers are weather proof and may be installed in any convenient loca tion on the roof fender behind the grille etc Any special mounting instructions applicable to the type of speaker you have selected will be found in the Speaker carton Connect the speaker s to the siren using user supplied two conductor cable having 18AWG or larger conductors Connections from the speaker should be made at the terminal strip above the control cable plug as shown in figure 3 2 When using a low power 58 watt speaker one of the speaker leads should be connected to the COM terminal and the other lead should be connected to the LO PWR terminal High power 100 watt speakers should be connected to the COM and HI PWR terminals When two speakers are used it is necessary to connect the speakers in parallel and in phase for optimum performance On Federal speakers this can be accomplished by connecting the two speaker leads marked 1 to the COM terminal on the siren and the two leads marked 2 to the HI PWR or LOW PWR terminal as applicable as shown in figure 3 2 C Power Cable
16. hould avoid operating the siren controls while the vehicle is in motion Continuing Education File these instructions in a safe place and refer to them periodically Give a copy of these instructions to new recruits and trainees Failure to follow these safety precautions may result in property damage serious injury or death to you to passengers or to others 4 1 GENERAL controls utilized during normal operation of the Model 5 are located on the Control Head see figure 4 1 4 2 SELECTOR SWITCH The Selector switch is a five position rotary switch used to select the mode of operation The following are positions on the Selector switch A RADIO In this position incoming radio messages are amplified by the siren and rebroadcast over the outside speaker B STBY In this position it is possible to operate the siren by activating the AIR HORN MANUAL SIREN switch The siren can also be activated by means of an auxiliary switch such as the horn ring button refer to paragraph 4 6 C WAIL In this position the siren produces a continuous wailing sound up and down in fre quency D YELP In this position a continuous rapid warbled tone is generated E HI LO In this position a two tone sound will be heard This distinctive tone may be reserved for any special indication situation dd AIK HORN d 29042039 Figure 4 1 Control Head Front View 4
17. hrough j 29042011 Figure 3 2 Speaker Connections c Splice the white yellow wire in the power cable to the horn side of the cut wire Insulate the splice with a wire nut supplied d Obtain an SPST relay of suffi cient contact current capacity to activate the vehicle horn Refer to figure 3 3 while performing the follow ing steps e Mount the relay in a suitable location f Connect the horn side of the wire cut in step a to the relay contact terminal g Determine the sense of the vehicle s horn ring activation circuit i e does the horn circuit require a switched positive voltage or switched ground for activation h Connect the relay wiper terminal to the positive or negative potential determined in step g i Connect the white yellow wire in the power cable to one end of the relay coil j Connect the other end of the relay coil to the opposite potential of that connected to the wiper in step h 2 Ignition a Connect the wire marked TGNI TION to the vehicle ignition or accessory circuit This connection will supply power to the Control Head panel lights and two way radio control head whenever the vehicle ignition key switch is in the position TO HORN OR WHT VEL HORN RELAV CONTROL CABLE ASSEMBLY TO HORN SWITCH YEL 2904 73 8 Figure 3 3 Horn Ring Connections b Connect the wire marked GROUND directly to the vehicle frame The Control Head can no
18. n or which has been inadequately maintained nor to units which have problems relating to service or modification at any facility other than the Federal factory or authorized warranty service centers THERE ARE NO OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL FEDERAL BE LIABLE FOR ANY LOSS OF PROFITS OR ANY INDIRECT OR CONSEQUENTIAL DAMAGES ARISING OUT OF ANY SUCH DEFECT IN MATERIAL OR WORKMANSHIP S FEDERAL SIGNAL CORPORATION 290421978 UU IA IRIA IAIA ol ell URP RU UR IMI TAMA IAN TID OO OO SP USOS SISSE VOV S Sv Se SPP SP SES SPP SS SCISSORS SPP SS S US UU USUS III TIN SECTION I GENERAL DESCRIPTION 290426 6 06 Figure 1 1 Model PA500F Electronic Siren The Federal Model PA500F is a precision built efficient and economical full featured electronic siren of advanced design It provides wail yelp and hi lo siren tones as well as the Tap II feature public address PA radio rebroadcast and an air horn sound The siren may be installed in negative ground vehicles with 12 volt electrical systems It is pro tected against failure modes including reversed polarity by a fuse that is replaceable without tools No c
19. omponents protrude from the bottom of the siren to interfere with mounting arrangements The siren is made up of an Amplifier and a Control Head The Amplifier is suitable for mounting in a dry adequately ventilated location while the Control Head is designed for flush mounting in the vehicle interior A noise cancelling microphone is wired in to prevent loss or theft It provides high quality voice reproduction without feedback squeal The micro phone push to talk switch overrides any siren signal for instant PA use PA and radio volume are preset at the factory for maximum gain Radio interconnect wires are supplied as part of the control cable Additional cabling is not required The Model PA500F is designed to drive one or two 58 or 100 watt speakers Using two 100 watt speakers will provide maximum traffic clearing power The Tap II feature allows the driver to change the siren sound from wail to yelp or vice versa via the vehicle s horn ring or by activating the MANUAL SIREN switch on the Control Head Other special features of the Model PA500F include e High degree of reliability is achieved through the use of integrated circuits and silicon output transistors e Control panel is illuminated with non glare lighting e Newly designed printed circuit board provides improved performance and dura bility under a wide range of environmental conditions e Use of screw terminated terminal block for easy installation
20. ount ing holes at the marks scribed in step B TYPICAL MOUNTING ON BOTH ENDS OF SIREN OPTIONAL SURFACE MOUNTING 10 X 1 2 LG HEX HARDWARE CAP SCREW HEAD THD FRM SCREW TON AI35 08 4 LOCKWASHER AND HEX NUT OR THREAD FORMING SCREW 1 4 20 X 3 4 y HD CAP SCREW 70024000 12 4 14 TYPE A THD FRM aan TOIAIA I2 4 Ji CX SIREN CHASSIS 4 MOUNTING BRACKET m 8536C1011A 2 ie 1 4 SPLIT 2 7074 015 4 1 4 20 HEX NUT 7059A018 4 29042616 0 Figure 3 1 Mounting Bracket Installation D Using a keyhole saw or sabre saw saw into the mounting surface at the cutmark scribed in step B NOTE Before completing the Control Head installa tion perform the procedures in paragraph 3 4 Electrical Installation E With all wiring connections complete place the Control Head in position and secure to mounting surface with four 4 6B Phillips head thread forming screws supplied NOTE If it is desired or necessary three adhesive backed gasket strips are included with the accessory kit to prevent light from bleeding through the mounting between the Control Head and mounting surface 3 4 ELECTRICAL INSTALLATION WARNING Failure to observe this WARNING may result in fire burns or blindness If shorted to vehicle frame high current con ductors can cause hazardous sparks resulting in electrical fires or molten metal DO NOT connect this system to vehicle bat tery until A
21. s that both output transistors be replaced should only one device prove to be defective This practice will insure long periods of service between failures When installing new output transistors insure that the Sil Pad insulators are installed between the heatsink and transistors CAUTION Make certain that the speaker is not defec tive prior to installing the repaired PA500F E Testing After servicing is complete perform a test of all functions to ensure siren is operating properly BOTTOM VIEW T201 QUTPUT TRANSISTORS Q202 FISHPAPER MAIN BOARD 29042616 04 OUTPUT ASSEMBLY REMOVED FROM CHASSIS 8 BY FOUR SCREWS lt N 7 Figure 5 2 Internal View Heference Designation Q201 Q202 F1 DS1 2 3 5 3 REPLACEMENT PARTS LIST Description Transistor 2N5885 NPN Power Fuse 20A 3AG Lamp Panel Insulator Q201 Q202 Main Circuit Board with parts installed Output Circuit Board with parts installed Control Head Circuit Board with parts installed Chassis Cover Amplifier Assembly Control Assembly Accessory Kit Microphone Output Transformer 5 8 Part Number 125B432 148A127 149A117 235A123A 01 2001072A 200C907 200C908B 85361080A 85361081A 8536C1025B 85361030A 85361027A 258B577A 02 120C167A
22. st the electronic siren including horn operation to ensure that it is operat ing properly After testing is complete provide a copy of this manual to all operating personnel SECTION IV OPERATION SAFETY MESSAGE TO OPERATORS OF FEDERAL SIGNAL ELECTRONIC SIRENS AND LIGHT SOUND SYSTEMS WARNING The lives of people depend on your safe opera tion of Federal products It is important to read and follow all instructions shipped with the products In addition listed below are some other important safety instructions and precautions you should follow Qualifications e properly use an electronic siren and speaker s you must have a good understanding of general vehicle operation a high proficiency in the use of safety warning equipment and thorough knowledge of state and federal UNIFORM TRAFFIC CODES Sound Hazards e Your hearing and the hearing of others in or close to your emergency vehicle could be dam aged by loud sounds This can occur from short exposures to very loud sounds or from longer exposures to moderately loud sounds For hearing conservation guidance refer to federal state or local recommendations OSHA Standard 1910 95 offers guidance on Permissible Noise Exposure e All effective sirens and horns produce loud sounds which may in certain situations cause permanent hearing loss You should minimize your exposure times and wear suitable hearing protection Sound Limitations e Ma
23. supply shop In order to reduce equipment down time Federal recommends that the entire printed circuit board Part No 2001072 be replaced The printed circuit boards are relatively inexpensive allowing you to keep an adequate supply in your repair shop The factory can and will service your equipment or assist you with technical problems should any arise that cannot be handled satisfactorily and promptly locally 5 1 Communications and shipments should be addressed to Service Department Federal Signal Corporation 2645 Federal Signal Drive University Park IL 60466 1 800 433 9132 In Illinois 1 708 534 3400 If any unit is returned for adjustment or repair it can be accepted only if we are notified by letter or phone in advance of its arrival Such notice should clearly indicate the service requested and give all pertinent information regarding the nature of mal function and if possible its cause 5 2 SIREN A General Any competent radio repairman or elec tronic technician should have little difficulty in tracing and correcting a malfunction should any occur For emergency replacement of any of the small components care must be used when soldering Heat easily impairs transistors capacitors and circuit boards It is therefore advisable to use longnose pliers or a similar heat sink on the lead being sol dered If IC13 or C21 are replaced it may be necessary to adjust R57 With the Selector Switch set to S
24. w be secured to the vehicle dashboard D Amplifier Power Connections Locate the fused power lead and ground lead in the accessory kit Both leads are 14AWG 1 Connect the spade tongue lug end of the ground lead to the NEG terminal of the Ampli fier Connect the other end of this lead to the vehicle chassis as close as practical to the Amplifier WARNING Before drilling holes in ANY part of a vehicle be sure that both sides of the surface being drilled are clear of parts that could be dam aged such as brake lines fuel lines electrical wiring linkages or other vital parts 2 Ifthe Amplifier is installed in the vehicle passenger compartment it will be necessary to drill a 5 8 hole in the vehicle firewall for the fused power lead 3 5 If necessary drill a 5 8 hole in the vehicle firewall Install a user supplied 5 8 grommet or similar device or material to protect the wiring and cabling against damage from rough edges 3 Route the fused power lead spade tongue lug end from an area near the battery to the Amplifier Do not connect to battery at this time If necessary pass the lead through the 5 8 hole that was drilled in step 2 4 Connect the spade tongue lug on the fused power lead to the POS terminal on the Ampli fier 5 Connect the ring terminal on the remaining end of the power lead directly to the positive terminal of the battery 3 5 TESTING AFTER INSTALLATION After installation te
25. ximum sound output will be severely re duced if any objects are in front of the speaker If your installation has obstructions in front of the speaker drive even more cautiously e Frequently inspect the speaker to ensure that it is clear of any obstruction such as mud or snow which will reduce maximum sound output 4 1 Signaling Limitations Be aware that the use of your visual and au dible signaling devices does not give you the right to force your way through traffic Your emergency lights siren and actions are REQUESTING the right of way Although your warning system is operating properly it may not alert everyone People may not hear see or heed your warning signal You must recognize this fact and continue driving cautiously Situations may occur which obstruct your warning signal when natural or man made objects are between your vehicle and others such as when you raise your hood or trunk lid If these situations occur be especially careful Driving Limitations At the start of your shift you should ensure that the light sound system is securely attached to the vehicle and operating properly If the unique combination of emergency vehicle equipment installed in your vehicle has resulted in the siren controls being installed in a position that does not allow you to operate them by touch only OPERATE CONTROLS ONLY WHILE YOUR VEHICLE IS STOPPED If driving conditions require your full atten tion you s
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