External Speaker Wiring; Regency ® Model 4720 Control/Communicator Installation Manual (P/N 150476, Rev. A) Revised; Commercial Bell Wiring - Regency 4720 Installation Manual

Regency ® Model 4720 Control/Communicator Installation Manual (P/N 150476, Rev. A) Revised 10/98

Commercial Bell Wiring

Figure 10.2a:

External Speaker Wiring

10.3
Terminal 4 (Ext. Spkr.) of the Model 4720 is designed for use with an 8-Ω, 15-W speaker. Connect the
speaker between Terminals 4 and 7 as shown in the diagram below. DO NOT cut Jumper J1 on the Model
4720. If the board has a shunt block, leave it in the right ("in") position. An external speaker is NOT
permitted for UL commercial installations. It is only permitted in UL Residential installations. The Ademco
713 is a suitable UL Listed speaker.

External Speaker Wiring

Figure 10.3a:
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