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Section 1: Overview .......................................................................................................................................................... 6
1.1: Introduction........................................................................................................................................................................................................6
1.2: UL 864 Compliance...........................................................................................................................................................................................6
1.2.1: UL 864 9th and 10th Edition ..................................................................................................................................................................6
1.2.2: Programming Features Subject to AHJ Approval ..................................................................................................................................6
1.3: Related Documentation .....................................................................................................................................................................................6
Section 2: The FDU-80 Annunciator ................................................................................................................................ 7
2.1: Compatible Panels .............................................................................................................................................................................................7
2.2: Features of the FDU-80 .....................................................................................................................................................................................7
2.3: Components .......................................................................................................................................................................................................8
2.4: SW1 DIP Switch Settings ..................................................................................................................................................................................8
Section 3: Operation ....................................................................................................................................................... 10
3.1: Display Patterns ...............................................................................................................................................................................................10
3.2: Switch Functions .............................................................................................................................................................................................10
3.2.1: Key-switch............................................................................................................................................................................................10
3.2.2: Acknowledge/Step................................................................................................................................................................................10
3.2.3: Silence...................................................................................................................................................................................................10
3.2.4: Drill: Hold 2 Sec...................................................................................................................................................................................10
3.2.5: Reset .....................................................................................................................................................................................................11
3.3: LED Indicators.................................................................................................................................................................................................11
Section 4: Mounting ........................................................................................................................................................ 12
4.1: Annunciator Preparation ..................................................................................................................................................................................12
4.2: Semi-flush Mount Backbox .............................................................................................................................................................................12
4.2.1: Mounting in SBB-3 Three Gang Electrical Box...................................................................................................................................13
4.2.2: Mounting in Three Electrical Boxes Ganged Together ........................................................................................................................13
4.3: Surface Mount Backbox ..................................................................................................................................................................................14
Section 5: Electrical Connections................................................................................................................................. 15
5.1: Power Connections ..........................................................................................................................................................................................15
5.2: Specifications for the FDU-80.........................................................................................................................................................................15
5.3: EIA-485 Connections ......................................................................................................................................................................................16
Section 6: EIA-485 Shield Termination.......................................................................................................................... 17
6.1: Shield Not in Conduit ......................................................................................................................................................................................17
6.2: Shield in Full Conduit......................................................................................................................................................................................18
Appendix A: UL 864 8th Edition Applications .............................................................................................................. 19
A.1: Power Connections .........................................................................................................................................................................................19
A.2: EIA-485 Connections .....................................................................................................................................................................................20
Index ................................................................................................................................................................................. 22
FDU-80 Instruction Manual - P/N 51264:C2 4/24/2019
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