Power
input
Block Diagram
Compression LED
Output Current LED
Output
MLC Adjust
Drive
Loop
output
90V-264V UPS
XP
BCS75US13C
Fuse
Input 1
Input 2
MLC
AGC
DC power to
system
Twist together
Twist together
Low Z Speaker feed
Low Z Speaker feed
Input 1
Input 2
Inputs
HLS-2B
In
1
HLS-2B
In
2
INSTALLATION
Tools
You will require the following:
Location
The amplifier should be mounted where :
!
it is protected from drips or sprays of water
!
it is not vulnerable to mechanical damage
!
the controls can be accessed through the open cover.
The unit must be close to the loop; when used on a lift, it is typically mounted on
top of the lift car.
Connections
GENERAL:
Open the cage clamp terminals using a flat bladed screwdriver. See
Layout drawing for location of each terminal and details of its operation.
LOOP:
Connect the loop cable ends to the loop output connector. make sure that
the feed cable (the 2-wire section between the amplifier and loop) is tightly
twisted together and less than 3m in length. In lifts, the loop connecting wires
2
should not be less than 2.5mm (AWG 12) area. See below for loop design
INPUTS:
Connect inputs as shown in the diagram.
For all inputs, use twisted pair cables, preferably with screen.
AC
POWER:
The HLS-2B can be supplied in 115VAC or 230VAC versions.
Check that the version you have is compatible with your power supply.
Isolate external AC power source before working on power connections
Connect incoming AC Earth to the ‘Protective earth terminal’. See
SAFETY
notes 4 & 5.
Connect the incoming Live and Neutral to the relevant terminals, as marked.
!
Phillips screwdriver
!
Small flat blade scewdriver
!
Rachet crimp tool
