Setting up your Urmet 1131 uniphone is straightforward if you follow the manual's instructions. The system is designed for the "4+N" method, meaning the building's vertical riser uses 4 common wires (call, ground, audio lines) plus N individual apartment wires. The manual emphasizes that this model and is not compatible with older systems (Mod. 1130, 1030, 930, 730, 630) that use a traditional buzzer.
: Designed to replace older Urmet models like the 1130 (buzzer type) if a jumper is set for electronic call. : Standard 9-terminal layout labeled 1 through 10, plus device.report Wiring Terminal Map urmet 1131 manual full
Crucial Step. Before removing the old handset, mark each wire with tape or a marker, noting which terminal number it was connected to. If the wires are all one color, trace them back or label them rigorously. Setting up your Urmet 1131 uniphone is straightforward
For the complete technical sheet and diagrams, you can download the Urmet 1131 Wiring Instructions (PDF) or view the Urmet 1131 Diagram to see the exact terminal layout. 1130, 1030, 930, 730, 630) that use a traditional buzzer
Based on the official manual and various installation reports, here is the terminal identification for the Urmet 1131 series:
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