Haztec EuroMax 8-8114 Series, Installation Manual, Page: 2 / 8

Haztec International Ltd ∙ Moorfield Road ∙ Leeds ∙ LS19 7BN ∙ UK
T: +44(0)113 202 9115
∙ info@haztec.uk ∙ www.haztec.uk
8-8114-X EuroMax
Siren PA Amplifier
M352.1.0 - 2 - November 2021
Connection Instructions:
▪
Main wiring harness
Colour Connect to Function
Red Positive [+] via fuse Main feed
Black Negative [-] Earth/Ground
Brown
Speaker 1 Speaker output
1
Speaker 2 Speaker output
1
Brown Common Speaker common
White Horn switch Vehicle horn switch
2
Orange Horn Vehicle horn
Yellow Interlock Siren is enabled when positive [+] applied
Violet (x2) Radio Radio re-broadcast (RRB)
1
Use only one of these wires and insulate the other. See ‘Speaker connectivity’
2
Can be positive or negative switched
▪
Speaker Connectivity
➢
Connect speaker to one of the speaker outputs and the common wire
➢
Normal speaker positive feed is ‘Speaker 2’. However, if the vehicle charging
voltage can exceed 14.4VDC or 28.8VDC (for 24V versions) use ‘Speaker 1’
▪
Horn Input
➢
Connecting the white wire to the vehicle horn switch enables the horn to change
to siren tone
(Fig. 1)
➢
If the vehicle horn is to be muted when the siren is active, break into the vehicle
horn circuit between the horn and the switch. Connect the orange wire to the
horn and the white wire to the switch
(Fig.2)
➢
When the siren is in use relay contacts in the amplifier will open to mute the horn