Section 1: System Overview............................................................................................................................................. 7
1.1: General...............................................................................................................................................................................................................7
1.2: Features..............................................................................................................................................................................................................7
1.3: Start-up Procedure .............................................................................................................................................................................................8
1.4: Jumpers ..............................................................................................................................................................................................................8
1.4.1: Charger Disable Jumper (J1) ..................................................................................................................................................................9
1.5: LED Indicators ..................................................................................................................................................................................................9
1.6: Specifications ....................................................................................................................................................................................................9
Section 2: Installation ..................................................................................................................................................... 13
2.1: Backbox Mounting ..........................................................................................................................................................................................13
2.2: Chassis-Mounting in FACP Cabinets ..............................................................................................................................................................16
2.3: NAC Circuit Wiring ........................................................................................................................................................................................20
2.3.3: Mixing Class B and Class A NACs......................................................................................................................................................22
2.4: Mounting Addressable Modules ......................................................................................................................................................................23
2.5: Power-Limited Wiring Requirements..............................................................................................................................................................25
Section 3: Programming Options .................................................................................................................................. 29
3.1: DIP Switch Settings .........................................................................................................................................................................................29
3.2: Programmable Features ...................................................................................................................................................................................30
3.2.1: Input/Output Functions.........................................................................................................................................................................30
3.2.2: Synchronization Type...........................................................................................................................................................................30
3.2.4: Split Alarm and Silencing ....................................................................................................................................................................31
Section 4: Trouble Supervision...................................................................................................................................... 32
4.2: Trouble Reporting............................................................................................................................................................................................32
4.2.1: Normal/Standby ...................................................................................................................................................................................32
4.2.2: Alarm ...................................................................................................................................................................................................33
4.2.3: TB2: AC FAIL Contacts.......................................................................................................................................................................33
4.2.4: TB2: TROUBLE Contacts....................................................................................................................................................................33
4.2.6: Trouble Memory ...................................................................................................................................................................................33
4.2.7: Ground Fault Detection ........................................................................................................................................................................34
Section 5: Applications................................................................................................................................................... 35
5.3: Split Alarm and Selective Silence....................................................................................................................................................................37
5.3.1: Selective Silence...................................................................................................................................................................................37
5.3.2: Split Alarm Mode .................................................................................................................................................................................38
5.4: Connecting Multiple Units ..............................................................................................................................................................................39
6.1: Overview..........................................................................................................................................................................................................42
6.3: Calculating the System Current Draw .............................................................................................................................................................42
6.3.1: Overview...............................................................................................................................................................................................42
6.4: Calculating the Battery Size ............................................................................................................................................................................44
6.4.1: NFPA Battery Requirements ................................................................................................................................................................44
6.4.2: Selecting and Locating Batteries ..........................................................................................................................................................44
HPFF12 NAC Expander - P/N 53576:B3 10/1/2018
Table of Contents
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