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Federal Signal Corporation 2-120, Installation, Operation & Service Manual

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Federal Signal Corporation 2-120 Installation, Operation & Service Manual Download Page 11

4 

 
 

SECTION II 

SPECIFICATIONS 

 

 

2-1.   MODEL

 

2

. 

 

 

Power Requirements ...................................................................... 120Vac/dc, single-phase 24A. or 

240Vac/dc, single-phase 12A. 

 

Physical 

 

 

Diameter ........................................................................... 18" (46 cm) 

 
 

 

Height   ............................................................................. 25.5" (65 cm) 

 
 

 

Shipping Weight. .............................................................. 85 lb. (36 kg.) 

 
 

Miscellaneous   

 

 

Sound Output .................................................................... 102dBC at 100 ft. 

(30.5m - Model 2) 

 

 

Motor Type ....................................................................... Single phase ball bearing, universal 

series 120Vac/dc, or single phase ball 
bearing universal series 240V ac /dc 

 
 

Power   ............  ............................................................................. 2 HP 

 
 

Top Frequency 

 

 

Single Tone ...................................................................... 533Hz (60Hz) or 444Hz (50Hz) 

 
 
 

Operating Temperature .................................................................. -30° C to 65° C 

Summary of Contents for 2-120

Page 1: ...2 120 2 240 FEDERAL SIGNAL CORPORATION S MODELS Outdoor Warning Sirens INSTALLATION OPERATION SERVICE MANUAL Copyright 2006 Federal Signal Corporation 255154R 07 13 ...

Page 2: ...nges to devices and specifications detailed in the manual at any time in order to improve reliability function or design The information in this book has been carefully checked and is believed to be accurate however no responsibility is assumed for any inaccuracies ...

Page 3: ...r when an emergency condition exists they cannot provide the intended audible warning It is imperative that knowledgeable people who are provided with the necessary information are available at all times to authorize the activation of the sirens When sirens are used out of doors people indoors may not be able to hear the warning signals Separate warning devices or procedures may be needed to effec...

Page 4: ... test the siren system to confirm that it is operating properly Test the system regularly to confirm that it will be operational in an emergency If future service personnel do not have these warnings and all other instructions shipped with the equipment to refer to the siren system may not provide the intended audible warning and service personnel may be exposed to death permanent hearing loss or ...

Page 5: ...r labor changes for removal and re installation of the product The Federal Signal Corporation warranty shall not apply to components or accessories that have a separate warranty by the original manufacturer such as but not limited to batteries Federal will provide on site warranty service during the first 60 days after the completion of the installation when Federal has provided a turn key install...

Page 6: ...G Read and understand the information contained in this manual before attempting to install or service the siren Pay careful attention to the following notices located on the equipment NOTICES EXTERNALLY PLACED ...

Page 7: ...l Description 3 SECTION II SPECIFICATIONS 2 1 Model 2 4 SECTION III INSTALLATION 3 1 Siren Location 5 3 2 Physical Installation 6 3 3 Electrical Connections 11 3 4 Preoperation Checks 12 SECTION IV CIRCUIT DESCRIPTION 4 1 Siren Control Description 13 SECTION V SERVICE AND MAINTENANCE 5 1 General 14 5 1 A Minimum Recommended Inspection 14 5 1 B Annual Inspection 14 5 2 Corrective Maintenance 15 ...

Page 8: ...en models enables them to produce a high sound level while making moderate demands on the power source 1 3 SIREN DESCRIPTION The Model 2 Siren Figure 1 1 is a 102dB single tone siren The Model 2 siren mechanism is enclosed in a sheet metal housing A conical dome is mounted on the top of the housing and two truncated conical cowls are attached to the housing approximately one third and two thirds a...

Page 9: ...applications or any other process that can be controlled via relay contacts The microprocessor based controller contains the following features Synthesized Radio Receiver Low Band High Band or UHF 3 separate models Two Tone and DTMF Decoders Up to 4 Individually Programmable Output Relays Siren Tone Generator Push Buttons for Local Control Contact Closure Inputs for Land Line Control RS232 Program...

Page 10: ...The steady signal is frequently used as a Civil Defense Alert signal The wailing signal is often used as a Civil Defense Attack However the signal can be used for any desired indication These signals are shown graphically in Figure 1 2 for both single tone and dual tone vertical siren models Figure 1 2 Signal Characteristics ...

Page 11: ...er 18 46 cm Height 25 5 65 cm Shipping Weight 85 lb 36 kg Miscellaneous Sound Output 102dBC at 100 ft 30 5m Model 2 Motor Type Single phase ball bearing universal series 120Vac dc or single phase ball bearing universal series 240V ac dc Power 2 HP Top Frequency Single Tone 533Hz 60Hz or 444Hz 50Hz Operating Temperature 30 C to 65 C ...

Page 12: ...e height of the siren Optimum sound propagation conditions exist when there are no obstructions in the sound path the terrain is flat and the air is calm Under these conditions each time the distance from the siren is doubled the sound level decreases by approximately 8dB For example the sound level 100 feet 30 5m from a Model 2 is 102dB at 200 feet 61m the sound level drops to 94dB at 400 feet 12...

Page 13: ...ve the ground If the installation is less than 35 feet above the ground the sound intensity at close range may increase but the effective range of the siren may be reduced Conversely if the siren is located more than 40 feet above the ground the effective range of the siren may increase but the sound may skip over areas closer to the siren These variables may make it desirable to test the sound co...

Page 14: ...ch leg If necessary install shims between the siren legs and the pole g Wrap a cable or chain capable of bearing at least one ton around the pole siren combination at least three times Wrap the chain or cable around the legs of the siren Use the chain or cable in conjunction with a crane or hoist capable of lifting at least one ton to erect the pole in accordance with accepted practice h Install t...

Page 15: ...8 Figure 3 2 Typical Model 2 Pole Mounted Installation ...

Page 16: ...ren It will be reinstalled later d Mount the siren base plate assembly on the mounting surface using lag bolts or nuts and bolts as appropriate Do NOT replace the housing on the siren It will be replaced later If the siren is mounted directly on a roof without a platform or weight distribution mat be sure to install waterproof joints where the mounting bolts pass through the roof so that water doe...

Page 17: ...10 Figure 3 3 Typical Model 2 Platform Mount ...

Page 18: ...e knockouts can accommodate 1 2 conduit fittings others can accept 3 4 conduit fittings and still others can accommodate 1 conduit fittings These various sized knockout holes are provided because electrical wiring requirements are frequently unpredictable The diameter of the conduit required for the installation depends on the AWG size of the wiring used the type of insulation on the wiring and lo...

Page 19: ...ole mounted installations drive a metal rod or bar at least two feet 61 cm into the ground or as close as practical to the base of the pole For maximum protection use a separate continuous 10AWG or larger wire from the siren frame to ground and the cabinet of each control device to ground 3 4 PREOPERATION CHECKS After the siren has been completely installed perform the following checks before putt...

Page 20: ...rotection for the siren motor As shown in figure 3 4 the motor starter includes an overload relay The relay protects the motor starter and the motor in the event that excess current is drawn The overload relay is activated when there is sufficient current through one or more of its heaters to cause the heater s to expand enough to open the relay contacts The opening of the relay contacts opens the...

Page 21: ...e siren for proper operation at least once a month A daily test at noon curfew or other selected time is preferred This not only enhances the usefulness of the siren but also instills public confidence in the reliability of the warning system 5 1 B ANNUAL INSPECTION In order to minimize the possibility of siren failure inspection and maintenance at regular intervals is desirable Therefore it is re...

Page 22: ...ake sure that the cap seats properly However do not tighten the cap excessively or it may break C Model 2 Armature and Field Replacement 1 Armature a Turn off the power to the siren at the disconnect switch b Remove the siren housing from the mechanism c Disconnect the electrical power wiring from the siren motor d Remove the mechanism from the mounting surface If desired the legs can also be remo...

Page 23: ...ing from the motor housing f Arrange two spacers consisting of 4 x 4 102mm x 102mm lumber or similar material approximately 5 127mm apart on a solid work surface as shown in figure 5 2 g Sharply rap the motor housing against the spacers several times until the field drops out of the motor housing The motor housing is aluminum die casting As a result it can be broken or damaged Therefore use cautio...

Page 24: ...he two mounting holes in the body of the field as shown in figure 5 3 Be sure that the four wires are in the position shown in figure 5 3 k Set a length of 3 8 9 5mm steel bar stock approximately 5 127mm long or similar object on the field as illustrated in figure 5 3 Drive the field into the motor housing by firmly and squarely tapping the bar with a hammer See figure 5 3 Use caution to avoid cut...

Page 25: ...load Heater s Replace Motor starter inoperative Faulty motor starter control Replace coil winding Motor starter overload relay Reset relay tripped Faulty overload heater s Replace heater s Open circuit between disconnect Check wiring for con switch and motor tinuity Repair or re place wiring as nec essary Open circuit between control Check wiring for con equipment and motor tinuity Repair or repla...

Page 26: ...p L01 08 1 12 Rotor L01 21 1 13 Key 8247A057 1 14 Armature 120V 8247B041G 1 AR Armature 240V 8247B039G 15 Locking Ring Field L01 20 1 16 Field 120V 8247B042G 1 AR Field 240V 8247B040G 17 Spring Lockwasher Lower Bearing L01 11 1 18 Holder Brush 8247A021 2 19 Brush and Spring 8247A020 2 20 Cap Brush Holder 8247A022 2 21 Housing Motor L01 03 1 22 Legs L01 4A 3 23 Hanger Cable 8400A211 1 DO NOT ORDER ...

Page 27: ...22 Figure 5 6 Model 2 Parts Index ...

Page 28: ...s and Springs Power Pole 8217C182 11 2 sets 3 Contacts and Springs Interlock 8217C180 12 1 set 4 Coil 60 Hz 120 240V 8217C180 16 1 5 Overload Heaters K 58 120V 8217C182 20 1 Overload Heaters K 42 240V 8217C183 20 1 DO NOT ORDER PARTS BY ITEM NUMBER Give model voltage description and part number Federal Signal Corporation Signal Division 2645 Federal Signal Drive University Park Illinois 60466 ...

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