Fitting Instructions - Herth+Buss ELPARTS Einbauhinweis

Fitting Instructions

Electronic signal equipment with loudspeakers for preferred road users
Country restriction Germany the H+B part number 56360190
(fire fighters, ambulances, police)
List of supplied materials
1 Control unit
2 high­performance loudspeakers
with mounts (for the part numbers
where this is appropriate)
1 cable with coupling piece
(available to purchase)
1 This documentation.
Installation instructions
The control unit must be installed
in the driver's cab.
The loudspeakers are designed for
indoor and outdoor installation:
Protection class IP66.
For the control unit and the loudspea­
kers, find a stable mounting point where
there are no engine vibrations and away
from heat sources (direct or indirect
- e.g. caused by the heat flow of the
radiator).
The control unit must be fixed to at least
two of the three available mounting
points when in use.
The loudspeakers must be mounted
stably with the holder or, for the NS
model, via the two M5 tapped holes on
the loudspeaker.
www.herthundbuss.com
Use
Always disconnect the battery before
carrying out any kind of work on the
electric circuit.
Use a cross­section of 1.5 to 2.5 mm
for connecting the cable.
For connecting the control unit, it is
advisable to use the cable with the
coupling piece available to buy as an
accessory.
The loudspeakers must be connected in
parallel with 12V on­board voltage and in
series with 24V on­board voltage
(see circuit diagram).
A 7.5A fuse must be used on the positive
power supply of the control unit.
Check the connections in accordance with
the electric circuit diagram, connect the
coupling piece with the plug of the control
unit and the battery.
56365021
2
Technical data:
4