3
It is recommended the EMC-3B Audio/Visual control panel is mounted on a conduit end box to facilitate
ease of wiring. Maximum cable length from conduit terminal box mounting position to terminals should not
exceed 300mm
External & Internal P.C.B. Features
Recommended Conduit Fixing & Cable Lengths
Key
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
Description
Printed Circuit Board Hinges
Protective mains insulation cover (
DANGER!
Risk of electric shock if removed)
Charge O.K. L.E.D.
Sounder -
High Efficiency L.E.D.`s
Alternative Conduit/Cable entry positions
Mounting Holes
2 x 1.2Ah 12VDC Batteries
Terminal Box Fixing/Cable Entry Holes (Recommended)
1A Mains Input Fuse
230VAC Mains Supply Terminals
1A Battery Charger Fuse
3.15A 24VDC Fuse
1A Control Fuse
Control Input/Output Terminals
Function D.I.L. Switches
Timer Selection Potentiometers
4A Relay Output Fuse
If the sounder is continuously active then check that the fuses are OK & the battery voltage is
within range (>28 or <20)