Hired-Hand Emergency Back-Up and Alarms: Secondary Sensing System - Manual (Page 28)

Manual No. 4801- 2997 Rev 7-08 Secondary Sensing System 28 of 40
12.2 S
3
Circuit Board Layout
HH.Net
3 Amp Slo-Blow Fuse – F1 (for Main Power Supply to S-3)
Control,
Aux 2,
& Aux 1
Jumpers
Battery
Alarm / Siren Control, Aux 2, & Aux 1 Sensors
Net Term
Jumper
Connection for
Stand-Alone
Option Board
Tunnel
Override
Vent
Override
3 Amp Slow-Blow Fuse – F2 (for Evolution Back-Up Power Supply)
AC Power Connector Transformer
Back-Up System Local Net