Wolo 4000-2 User Manual

ALERT™ 4000-2

ELECTRONIC SIREN & PA SYSTEM

Model 4000-2

Your purchase of a Wolo electronic siren, ALERT 4000-2, is the perfect choice for reliable service.

ALERT 4000-2 is manufactured with the nest materials and each siren is tested to meet our high standards,
ensuring a perfect working siren controller. Wolo’s quality workmanship and components are your assurance
that this product will provide years of dependable service. If you need help with installation or in using
your new Wolo siren, our technicians are available to answer your questions, Monday thru Friday, from
9 AM to 4 PM EST at 1-888-550-4676.

Before installation of the siren is attempted, it is important to read these instructions completely. The lives of
people are dependent on the proper installation of this product. The person installing this siren must have
advanced knowledge of the proper method for installation of safety warning equipment, connecting and
securing wires to a vehicle’s electrical system and knowledge of the vehicle’s electrical system. Again, read
this manual completely and note any messages marked “IMPORTANT” or “WARNING’’. A safe installation
will prevent serious injury or damage to the vehicle.

SOUND HAZARD

IMPORTANT: This siren, like all effective sirens, produce a powerful audible sound that could cause

permanent hearing loss. Note: Hearing loss can occur from short exposure to very loud sounds and or long
exposure to moderate loud sounds. To protect your hearing and the hearing of others in or close proximity
to the emergency vehicle using this siren, always use proper ear protection. Refer to federal, state, local
municipality regulations and OSHA Standard 1910.95 for guidelines of “Permissible Noise Exposure’’.

INSTALLATION RECOMMENDATIONS

• The speaker should be mounted facing forward on the vehicle. To obtain maximum sound output, make sure
that the speaker is unobstructed. The siren’s sound can be severely reduced if objects are in front or blocking
the speaker.

•IMPORTANT: Installation of siren controller and wire routing must be out of the deployment path of vehicles air
bags.

• The siren controller must be installed in a location that will ensure safe operation of the controls and microphone.

• The siren’s controller must be mounted in a location that will provide good ventilation. Never install siren
controller close to a vehicle’s heater duct.

• Before drilling any surface for mounting of the siren controller or for routing wires, carefully inspect the desired
location to ensure that there are no components, wires and or any other vehicle parts that could be damaged
by drilling.

• Before connecting the siren controller to the vehicle, carefully review the vehicle’s shop or build manual to

ensure the connection point will not affect the circuit or the vehicle’s operation.

IMPORTANT: Failure to follow all safety precautions and installation procedures outlined in these instructions

could result in property damage to the vehicle, serious injury or death to you or others.

MOUNTING SIREN CONTROLLER Fig. 1

1. IMPORTANT: Do not connect the siren

controller’s wires to any vehicle power point until
mounting of the controller is completed.

2. WARNING: If the vehicle is equipped with

air bags, the installer MUST consult the
vehicle’s shop or build manual to ensure that
siren controller and it’s wires will not affect
deployment of air bags. This siren must be
installed only in a location recommended by
vehicle manufacturer. If necessary consult

manufacturer for their recommendation.

Failure to adhere to this warning could result
in damage to the air bag and or reduce the
effectiveness of the air bag, which could result
in bodily injury, or death to driver or others.

3. The swing bracket included has been designed

to mount to the siren controller either from the

top for hanging under dash or bottom for top
surface mounting.

CAUTION

• Before drilling any surface for mounting siren controller or for routing wires, carefully inspect the desired location
to ensure that there are no components, wires and or any other vehicle parts that could be damaged by drilling.

• The siren controller must be mounted in a location that will provide good ventilation. Never install siren controller
close to a vehicle’s heater duct.

4. Using the swing-mounting bracket as a template, mark the locations of mounting holes to be drilled.

5. Drill holes on the marked locations using a 7/32” drill bit.

6. Secure the swing-mounting bracket to the desired location using the hardware provided: 2-screws, at-

washers, lock-washers and nuts.

7. The siren controller is secured to the mounting bracket using the hardware provided, screws, lock-washer.

Tilt and position the siren controller so that it is easily reachable by user. Tighten the two screws that secure
the siren controller to the swing bracket.