EQUIPMENT:
FIRE
CLASS
PRECEPT EN
PUBLICATION:
FIRECLASS PREC EN INST
ISSUE No. & DATE:
3 13/09/18
PAGE 12 of 30
10.3
32 zone Panel Power Supply Details
Figure 12 shows the layout of the 32 zone Precept EN panel power supply.
Figure 12
– 32 Zone Panel Power Supply Layout
Secondary AC
Supply from
Transformer
28V, 0V DC
Power output
Mains
Fault
Output
Common
Fault
Output
4-way header for
connector to 32 zone
motherboard for DC
power, common fault
and mains fault
LED indicators for:
Mains fault, Internal Fault,
Battery/Charge Fault, Output O.K.
DC supply
output voltage
adjustment
potentiometer
[factory set].
Battery
Thermistor
connections
Battery
connections
FS1 Battery
Fuse [6.3A]