Model 6820 / 6820-EVS Installation Manual
3.6
Board Assembly Diagram
AC Power
Input
Battery
Connection
Figure 3-2 shows the circuit boards and annunciator. If you should need to remove the control board for repair,
do so by removing the nuts that hold the heat sink bracket to into the cabinet. Then lift the control board out of
the cabinet.
SLC
SLC
PGM
Figure 3-2 Model 6820/EVS Assembly
Phone Lines
3-5
LS10144-001SK-E
NAC
Circuits
Flexput
Relays
Trouble
Relay
SBUS
In/Out
EXT. COMM