Hired-Hand Emergency Back-Up and Alarms: Secondary Sensing System Expansion - Manual (Page 30)

Manual No. 4801-3001 Rev 7-08 Secondary Sensing System Expansion 30 of 46
13.4 S
3
Expansion PCB179 Circuit Board Layout
Aux 1,
Aux 2,
& Control
Jumpers
Net Term
Jumper
Connection for
Stand-Alone
Option Board
3 Amp Slow-Blow Fuse – F2
(for Evolution Back-Up Power Supply)
Back-Up
System
to S
3
PCB168
Local Net
to S
3
PCB168
HH.Net
Alarm / Siren
Aux 1, Aux 2,
& Control
Sensors
Vent
Override
Tunnel
Override
BAT-
AC2
AC1
BAT+
Power
Supply
Connections
to S 3 PCB184
3 Amp Slow-Blow Fuse – F1
Primary DC Power Supply Fuse to PCB179 from PCB184
(Battery backup power does not connect to this fuse.)