SA-500-20 28V Manual
Carson Manufacturing Co., Inc.
5451 North Rural Street
Indianapolis, IN 46220
Phone: (888) 577-6877 Fax: (317) 254-2667
www.carsonsirens.com
SA-500-20
28 VOLT
SIREN AMPLIFIER
OUTPUT
YELP
WAIL
MAN/PHSR
HORN
RAD
PA
SA-500
STBY
RADIO
VOLUME
O
F
F
O
N
INSTALLATION AND OPERATING
INSTRUCTIONS
Carson is a trademark of Carson Manufacturing Company, Inc.
Sound Hazard - Sound level from siren speaker (>120dBA @ 10 feet) may cause hearing damage.
Do not operate siren without adequate hearing protection for you and anyone in immediate vicinity.
(Ref. OSHA 1910.95 for occupational noise exposure guidelines)
Page 2 of 8
SA-500-20 28 Volt Installation and Operating Instructions
INSTALLATION INFORMATION
MODEL: SA-500- ______________________
SERIAL NO: __________________________
OPTIONS
______ Auxiliary Input Selection
PURCHASE DATE: _____________________
______ Two-Tone Selected
DEALER: _____________________________
______ Phaser Disabled
INSTALL DATE: ________________________
______ Horn Disabled
INSTALLER: __________________________
______ Yelp Override Selected
_____________________________________
______ Short Manual Selected
_____________________________________
______ HRC2 Selected
_________________________________________________ Cutout connection/polarity
_________________________________________________ Auxiliary connection/polarity
Model and serial number located on bottom of unit
TABLE OF CONTENTS
GENERAL DESCRIPTION ....................................................................................3
SPECIFICATIONS .................................................................................................3
INSTALLATION .....................................................................................................3
SAFETY PRECAUTIONS .................................................................................3
UNPACKING .....................................................................................................4
MOUNTING .......................................................................................................4
OPTION SWITCHES.........................................................................................4
ELECTRICAL CONNECTIONS.........................................................................5
OPERATION..........................................................................................................6
GENERAL .........................................................................................................6
SELECTOR SWITCH ........................................................................................6
MAN/PHSR .......................................................................................................6
HORN ................................................................................................................6
MICROPHONE..................................................................................................6
VOLUME CONTROLS ......................................................................................6
AUXILIARY INPUT ............................................................................................6
CUTOUT ...........................................................................................................6
HORN RING CYCLER 2 (Optional) ..................................................................6
SERVICE ...............................................................................................................7
PROBLEMS ......................................................................................................7
PARTS ..............................................................................................................7
RETURN ...........................................................................................................8
LIMITED WARRANTY.......................................................................................8
NOTICE
Due to continuous product improvements, we must reserve the right to change any specifications and information,
contained in this manual at any time without notice.
Carson Manufacturing Co., Inc. makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Carson Manufacturing Co., Inc. shall not be liable for errors contained herein or for incidental or consequential
damages in connection with the furnishing, performance, or use of this manual.
05/07/05
CP4930B
SA-500-20 28 Volt Installation and Operating Instructions
Page 3 of 8
GENERAL DESCRIPTION
The SA500 Siren Amplifier is a premium unit designed for single or dual 100W speaker use. The
primary operating modes are Yelp, Wail, Standby and Radio. A Noise Canceling PA Override and
push-button Horn Override are available in all modes except Radio. Another push-button is provided for push-on/push-off Phaser operation in the Yelp and Wail modes, and Manual siren control in the Standby mode. Auxiliary input is provided for connection to horn ring circuit or switch.
Latching siren cutout input is provided for connection to a door switch, etc. to stop siren tones
when exiting the vehicle. Radio and PA volume controls are provided on the front panel. The
front panel is backlit with LED's for night visibility. An internal 8-Position DIP switch allows selection of various options. This compact unit utilizes short circuit, high voltage, and reverse polarity
protection systems for maximum service life. Output indicator light on face for diagnostics.
SPECIFICATIONS
Input Voltage
Input Current
Standby Current
18 - 32 VDC (negative ground)
4 AMPS (@28 VDC - single 100W speaker)
8 AMPS (@28 VDC - dual 100W speakers)
Less than 100 ma
Audio Frequency
200Hz - 10 kHz + 3db
Audio Distortion
Less than 7% (@1 kHz - single 100W speaker)
Audio Output
40 watts (@28 VDC - single 100W speaker)
Audio Input
400 ohms + 10%
Output Power
105 WATTS RMS MAX. (30 VDC - single 100W speaker)
180 WATTS RMS MAX. (30 VDC - dual 100W speakers)
700Hz - 1500Hz (Two-Tone and Horn = 435 & 585Hz)
Siren Frequency
Tones/Cycle Rates
High Voltage Protection
Horn
Wail
Yelp
Phaser
109 CPS
13 CPM
190 CPM
15 CPS
32 - 36 VDC will cause siren output to cease, resume at normal
Two-Tone
60 CPM
Short Circuit Current
50 AMPS (supply circuit must be capable of supplying this)
Operating Temp.
Controls
Connections (10-Pin Conn)
Size
-15° F to +140°F
4-position rotary mode switch (Yelp, Wail, Standby and Radio).
Momentary push-button Horn switch.
Momentary push-button Manual/Phaser toggle switch.
Front panel PA and Radio volume controls.
Auxiliary input connection programmable for positive or negative activation.
Cutout input connection programmable for positive or negative latching operation.
Internal 8-Position DIP switch option selector.
(2) Positive, (2) Negative, (2) Speaker, (2) Radio, Cutout, Auxiliary
6-1/8" Wide, 5-7/8" Deep, 2-1/8" High
Weight
4-1/2 LBS.
INSTALLATION
Proper installation of the unit is essential for years of safe, reliable operation. Please read all
instruction before installing the unit. Failure to follow these instructions can cause serious damage to the unit or vehicle and may void warranties.
SAFETY PRECAUTIONS
For the safety of the installer, vehicle operator, passengers and the community please observe
the following safety precautions. Failure to follow all safety precautions and instructions may
result in property damage, injury or death.
Qualifications - The installer must have a firm knowledge of basic electricity, vehicle electrical
systems and emergency equipment.
Sound Hazard - Sound level from siren speaker (>120dBA @ 10 feet) may cause hearing damage.
Do not operate siren without adequate hearing protection for you and anyone in immediate vicinity.
(Ref. OSHA 1910.95 for occupational noise exposure guidelines)
Mounting - Mount the unit for easy access by the vehicle operator. DO NOT mount in air bag
deployment area. Assure clearances before drilling in vehicle. To prevent internal damage
mounting bolts must not enter case more than 1/4".
CP4930B
05/07/05
Page 4 of 8
SA-500-20 28 Volt Installation and Operating Instructions
Wiring - Use wiring capable of handling the current required. Make sure all connections are tight.
Route wiring to prevent wear, overheating and interference with air bag deployment. Install and
check all wiring before connection to vehicle battery.
Testing - Test all siren functions after installation to assure proper operation. Test vehicle operation to assure no damage to vehicle.
Keep These Instructions - Keep these instructions in the vehicle or other safe place for future
reference. Advise the vehicle operator of the location.
UNPACKING
Inspect contents for shipping damage. If found alert carrier immediately. Contents should include unit with attached microphone, mounting bracket, microphone bracket with 2 screws, 2
mounting bolts, removable terminal block plug, and these instructions. Contact supplier immediately if any components are missing.
MOUNTING
The mounting bracket supplied can be installed above or below the unit. Choose a mounting
location convenient to the operator and away from any air bag deployment areas. Inspect behind
mounting area for clearance. Assure adequate ventilation to prevent overheating. Consider wire
routing and access to connections, as well as microphone bracket placement. Install mounting
bracket to vehicle using 1/4" hardware (not supplied).
If mounting in a rack or console, make sure that mounting bolts do not enter case more than 1/4".
OPTION SWITCHES
SIDE VIEW
Various options can be selected by turning on
COVER REMOVED
or off any of 8 DIP switches internally
mounted on the right side of the PC board.
Cover Removal - The cover is held in place
FUSE
by a snap-fastener on the back of the unit.
Hold the unit with the front case flange on the
edge of a hard surface and press hard on the
back of the unit. The chassis will slide out the
front of the cover.
OPTION SWITCHES
Cutout Input Polarity - The cutout input is
normally activated by connecting to positive.
To activate by connecting to negative turn off "CUT_P".
Auxiliary Input Polarity - The auxiliary input is normally activated by connecting to positive. To
activate by connecting to negative turn off "AUX_P".
Auxiliary Input Function - The auxiliary input normally activates the Horn function. To activate
the Man/Phsr function with the auxiliary input turn on "AUX_I".
Two-Tone - Two-Tone can replace Phaser by turning on "T-T".
Phaser Disable - The Phaser function can be completely disabled by turning on "P_I".
Note: when Phaser is disabled the Man/Phsr pushbutton will toggle between Wail and Yelp.
Horn Disable - The Horn function can be completely disabled by turning on "H_I".
Yelp Override - Causes the Man/Phsr function to toggle to Yelp with selector switch in Wail
mode. Turn on "YLP_O".
Short Manual - The Manual function can be set to immediately cut off when the Man/Phsr
pushbutton is released. Turn on "SM".
Horn Ring Cycler 2 (HRC2) - Turn on “T-T” and “P_I” to enable this feature. Also connect the
auxiliary input to the horn ring or other switch. While the siren is in standby, tap the horn ring to
bring the unit out of standby into Wail tone. Repeatedly tapping the horn ring will cycle through
Wail, Yelp, and Phaser tones. Tapping the horn ring twice quickly will stop the siren tones and
return the unit to standby. Pressing and holding the horn ring will produce Horn tone until released. Then the siren will return to its previous siren tone or standby.
NOTE: Earlier models with S/N lower than 04190000 have a different version of HRC. In this
case the siren tones cycle through Standby, Wail, Yelp, and Phaser. The tone is stopped by cycling to Standby.
05/07/05
CP4930B
SA-500-20 28 Volt Installation and Operating Instructions
(2) #22 AWG BLU
Connect to output
jack, terminals or
speaker of radio
(2) #18 AWG BRN
(#16 - 2 SPKR)
2 - SPKR - Connect for
same phase (+ to +)
#22 AWG WHT (See below)
#22 AWG GRN (See below)
#14 AWG RED
Use second lead
for 2 - SPKR
RADIO
+
BAT
-
→
→
→
→
→
→
→
→
→
→
••••••••••
#14 AWG BLK
Use second lead
for 2 - SPKR
SPKR
SPKR
POS
POS
RAD
RAD
AUX
CUT
NEG
NEG
ELECTRICAL CONNECTIONS
Electrical connections to the unit are made
using a removable terminal block plug
located on the back. A label on the unit
identifies the terminal function.
You
should install the plug on the unit before
wiring. If the unit needs service the plug
can be easily removed without unwiring.
The power supply of the unit must be capable of delivering peak currents up to 50
amps for adequate short circuit protection
and reliable operation.
The preferred
source is directly at the vehicle battery.
The unit is internally fused.
Attach leads by stripping 3/8", inserting
into plug and clamp by tightening screw.
Make sure the screw is tight and the wire
can't be pulled out. Failure to adequately
tighten the screw can result in improper operation or burning the connector and wire.
Page 5 of 8
CONNECTIONS AT REAR OF UNIT WITH
10-PIN TERMINAL BLOCK PLUG (CP4688-10)
Wire Size and Termination - The diagram shows the minimum wire size used for each connection, along with recommended lead color. If the wire is longer than 10 ft. use the next larger wire
size. Use only high quality crimp connectors for installation on the vehicle.
Auxiliary Input Connection The Auxiliary Input allows activation by an external source of
either the Horn or Man/Phsr
function. The adjacent diagram
shows three connection examples. See OPTION SWITCHES
section for programming details.
NOTE: Permanent disconnection of the vehicle horn is NOT
recommended.
+VDC
HORN
RING
SWITCH
+VDC
HORN
RING
SWITCH
SPLICE
Added
SPDT
Switch
HORN
AUX
HORN
AUX
AUX
ADDED
DOOR
SWITCH
+VDC
DOOR
SWITCH
SPLICE
DOME
LIGHT
CUT
+VDC Switching
example
CP4930B
-VDC
switching
example
Must set AUX_P
option switch
+VDC Switching examples
Cutout Input Connection - The Cutout Input turns
off any siren tone output when activated, and remains
off until a control is activated or changed. The adjacent diagram shows two connection examples. See
OPTION SWITCHES section for programming details.
MOMENTARY
FOOT
SWITCH
CUT
-VDC
switching
example
Must set CUT_P
option switch
05/07/05
Page 6 of 8
SA-500-20 28 Volt Installation and Operating Instructions
OPERATION
Sound Hazard - Sound level from siren speaker (>120dBA @ 10 feet) may cause hearing damage.
Do not operate siren without adequate hearing protection for you and anyone in immediate vicinity.
(Ref. OSHA 1910.95 for occupational noise exposure guidelines)
GENERAL
This unit is designed for easy operation under the stress associated with high-speed pursuit.
Most siren functions are accessible with one simple motion without repetitive activation of
switches or automatic timed switching that can interfere with desired operation.
SELECTOR SWITCH
The rotary selector switch controls the primary operating
mode of the siren.
Yelp - A rapidly changing tone used in congested areas.
Wail - A slower changing tone used on highways.
Stby - A silent mode that allows Manual, Horn and Public
Address operation.
Radio - Also known as Radio Repeat, this mode amplifies
a radio speaker input for re-broadcast outside the vehicle.
No siren tones or PA operation are available in this mode.
YELP
WAIL
STBY
RADIO
MAN/PHSR
This momentary push-button switch provides a very rapid changing tone (Phaser) when the selector switch is in the Yelp or Wail positions. This tone is used at intersections and very highly congested areas. Pressing the button once changes to the Phaser tone and pressing again changes
the tone back to Yelp or Wail.
With the selector switch in the Stby position this switch
provides Manual siren tone control, rising when pressed
and falling when released. This is used to momentarily
alert motorists or in low noise areas.
Phaser may be replaced by Two-Tone or disabled.
MAN/PHSR
HORN
See OPTION SWITCHES section.
HORN
This momentary push-button switch provides a simulated air-horn tone while pressed. This can
be used to supplement the normal vehicle horn and is useful at intersections or in low noise areas.
This tone overrides other siren tones. Horn may be disabled. See OPTION SWITCHES section.
MICROPHONE
The attached noise-canceling microphone is used for public address operation and overrides any
siren tone when the button on the side (PTT) is pressed.
VOLUME CONTROLS
Controls are provided for radio repeat volume and public address
volume. These should be set when the vehicle is parked. Set
the RAD volume with the selector switch in the Radio position
and the radio volume set to desired level. Set the PA volume to
the maximum level with no feedback (squeal).
VOLUME
H
L
RAD
H
L
PA
AUXILIARY INPUT
During installation an auxiliary input may be connected to the horn ring or other switching device.
It provides the same operation as pressing the Horn button or optionally the Man/Phsr button.
CUTOUT
During installation, a cutout input may be connected to a door switch. It turns off any siren tone
when the door is opened. The siren tone will continue to be cut off even when the door is closed.
Changing any switch or input will restore normal function.
HORN RING CYCLER 2 (Optional)
Available while selector switch is in standby, repeatedly tapping the horn ring or other switch will
cycle through Wail, Yelp, and Phaser tones. Tapping the horn ring twice quckly will stop siren
tones. Holding the horn ring produces horn. See OPTION SWITCHES section for further details.
05/07/05
CP4930B
SA-500-20 28 Volt Installation and Operating Instructions
Page 7 of 8
SERVICE
This unit is designed to provide years of reliable service under even the worst conditions. Many
times there may appear to be a problem with the unit when the true problem is in the speaker(s)
or improper installation. The following chart shows typical symptoms and possible causes.
A blown internal fuse doesn't necessarily mean that the unit is bad. If a speaker or speaker lead
is shorted the internal fuse will blow before the unit is damaged. Disconnect the SPKR leads and
replace the fuse. If the OUTPUT light comes on (dim lighting to see) with power on and Yelp
selected it is OK. Check the speaker(s) or leads for possible shorting.
PROBLEMS
Symptom
Possible Cause
Check
No power or siren Power switch not turned on
output
Bad speaker(s)
Connector loose
Internal fuse blown
Loose connection at power source
No siren tone High Voltage Protection
PA works
Mic button stuck
Cutout activated
Cutout Polarity Option set wrong
No PA
PA volume not set properly
Selector in Radio position
Distorted siren
Speaker assembly loose
sound
Intermittent Aux Input connection
Low vehicle voltage
Intermittent siren High Voltage Protection
tone
Connector loose
Bad power connection
Mic button activation
Circuit breaker in supply connection
Does backlighting come on?
Do you hear a "pop" when turned on?
Is the OUTPUT light on front panel coming on in Yelp?
Is an external fuse or circuit breaker used?
Are the negative leads connected to a good ground?
Input voltage must be less than highest rated voltage.
Does mic button release properly?
Does the siren work when Cutout input is disconnected?
Is the CUT_P option properly configured?
Have you tried turning the PA volume control?
PA is not available in the Radio position
Is the speaker bell or tip loose?
Is the Auxiliary Input used and wired properly?
Input voltage must be greater than lowest rated voltage.
Is the vehicle voltage regulator working properly?
Is the connector tight on the back of the unit?
Is there a loose connection on a power lead?
Is something lying on the microphone?
Is a circuit breaker used with at least a 50A rating?
Horn function
or
Manual or Phaser
stuck on
No Radio
Does the horn switch return fully when released?
Does the Man/Phsr switch return fully when released?
Is the Aux Input used and wired properly?
Is the AUX_P option properly configured?
Is the radio connected properly to the unit?
Can you here the radio in the vehicle?
Have you tried turning the RAD volume control?
Is the T-T option selected?
Is the AUX_I option configured properly?
Is the YLP_O option selected?
Is the P_I option selected?
Horn switch stuck
Man/Phsr switch stuck
Aux Input improperly connected
Aux Input Polarity Option set wrong
Unit not connected to radio
Radio volume too low
Wrong siren tone Two-Tone option installed
Aux Input set to wrong function
Yelp Override option installed
Phaser not work- Phaser disabled
ing
Horn not working Horn disabled
Is the H_I option selected?
PARTS
The following parts are available from Carson Manufacturing Company, Inc.:
Part
CP3966
CP3571
CP4688-10
CP4680-1
ATO/ATC 10A
CP4852
CP4750
CP3633
SR-15-1
CP4119
ED1558
CP4930
CP4930B
Description
Bolt, mounting, 1/4-20 X 3/8” (2 required)
Bracket, mounting
Connector, 10-pin Terminal Block Plug
Cover (not including chassis)
Fuse, 10 Amp Automotive
Knob, selector switch
Microphone, Noise Canceling w/Connector
Microphone Bracket with mounting Screws
Microphone Strain Relief
Transistor, output (2 required) (Industry standard TIP36C, Not Texas Instruments)
Hardware Kit (Connector, bolts, microphone bracket with screws)
Instruction Manual
05/07/05
Page 8 of 8
SA-500-20 28 Volt Installation and Operating Instructions
RETURN
If you have any questions concerning this or any other Carson product,
please contact our Technical Service Department at (888) 577-6877.
Many issues can be handled over the phone. We can also be reached via
e-mail at [email protected]
If a product must be returned for any reason, please contact our Technical
Service Department to obtain a Returned Merchandise Authorization number (RMA#) before you ship the product to Carson. Please write the RMA#
clearly on the package near the mailing label. Be sure to provide a return
address, contact and phone number, along with a brief description of the
problem.
LIMITED WARRANTY
Carson Manufacturing Company, Inc. warrants this new product to be free from defects
in material and workmanship, under normal use and service, for a period of five (5)
years from the date of delivery to the first user-purchaser.
During this warranty period the obligation of Carson Manufacturing is limited to repairing
or replacing, as Carson Manufacturing may elect, any part or parts of such product
which after examination by Carson Manufacturing is determined to be defective in material and/or workmanship.
This warranty does not cover labor charges for removal or re-installation of the product.
Fuses and lamps are not covered under this warranty.
This warranty does not extend to any unit that has been subjected to abuse, misuse,
improper installation or which has not been adequately maintained, nor to units which
have problems related to service or modification at any facility other than the manufacturer.
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 CARSON MANUFACTURING COMPANY, INC. BE LIABLE FOR ANY LOSS OF PROFITS OR ANY
INDIRECT OR CONSEQUENTIAL DAMAGES ARISING OUT OF ANY SUCH DEFECT
IN MATERIALS OR WORKMANSHIP.
05/07/05
CP4930B
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