The interior layout features a physical strip containing nine numbered terminal connection points. Correct matching to these terminal blocks ensures proper voltage pathways for audio transmission and entry triggers. Terminal Number Function Name Electrical Description Speaker Output
Tighten the terminal screws firmly. Ensure no stray copper strands are touching adjacent terminals to prevent short circuits. Universal Conversion and Cross-Reference Chart
The 1131 handset typically uses 5 active terminals. If you are replacing an old unit, it is highly recommended to before disconnecting it. Description 1 Speech In Speaker (Receives audio from the entrance panel) 2 Speech Out Microphone (Sends audio to the entrance panel) 6 Common Ground/Common return for the system 9 Lock Door Release (Triggers the electric lock) CA Call Electronic call signal (The buzzer/speaker ring) urmet 1131 manual full
Before diving into the details of the manual, it's crucial to obtain a full copy of the Urmet 1131 manual. You can find the manual on the manufacturer's website or through online resources. Make sure to download the correct version of the manual, as different versions may exist for various regions or device revisions.
In some older Urmet systems, the colors of the wires may not be standardized. Always refer to the wire terminal number from the old unit, not the color. 4. Typical Wiring Diagram (4+n) The interior layout features a physical strip containing
Proper wiring is critical when replacing an older unit. The Urmet 1131 uses specific terminal markings to ensure voice and lock functions work correctly: Description Input for the electronic ring signal. 1 Receives audio from the outdoor panel. 2 Microphone Sends audio to the outdoor panel. 6 Ground (0V) Common ground for all functions. 9 Lock Release Operates the electric door strike. 10 Lock Common Common terminal for the lock switch (often linked to 6). Installation Instructions
Used to power additional monitors or CCTV cameras where the main intercom system requires a separate power source. Ensure no stray copper strands are touching adjacent
The Urmet 1131 is a classic 4+N (five-wire) analog intercom handset designed for traditional audio door entry systems.
Short out Terminal 6 and Terminal 9 with a small piece of insulated wire. If the door opens, the handset button is faulty. If it does not open, the issue lies in the building's central power supply or external lock wiring. Issue 3: Low Volume or High-Pitched Screeching (Feedback)