User Manual

7
Note:
1. Polarity shown in active state at terminals 1 and 2 of ABHW-4S and 1-4 of ZIC-4A. Proper
polarity must be maintained or audible base will not operate properly. Each audible base
must be tested to verify operation.
2. Tone selection (refer to page 10 NOTE 4 for more information).
3. ABHW-4S terminals 5-6 are polarity insensitive. Line 1 and Line 2 can be either line of the
loop.
4. The wiring of ABHW-4S shown in the diagram is Style Z (Class A). It may also be wired as
Style Y (Class B).
5. ZIC-4A Notification Appliance Circuits provide 4 outputs that can be configured for Class A.
or Class B. Refer to the ZIC-4A Installation Instructions, P/N 315-033050.
6. EOL resistor, 24k ohms, 1/2 watt, 5%, P/N 140-820405.
Figure 2
Installation/Wiring Diagram for ABHW-4S Audible Powered by ZIC-4A (NAC of
FireFinder-XLS System)