1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Urmet 926/3 Electronic Intercom Power Supply Unit. Please read this manual thoroughly before attempting any installation or use. Keep this manual for future reference.
Figure 1: Urmet 926/3 Electronic Intercom Power Supply Unit. This image shows the compact design of the power supply, typically housed in a grey or white plastic casing with connection terminals visible.
2. Safety Information
Always observe the following safety precautions to prevent injury and damage to the unit or connected equipment.
- Electrical Hazard: Installation must be performed by a qualified electrician in accordance with all local and national electrical codes.
- Power Disconnection: Ensure the main power supply is disconnected before commencing any installation, wiring, or maintenance work.
- Voltage Compatibility: Verify that the input voltage matches the specifications of the power supply unit.
- Environmental Conditions: Do not expose the unit to moisture, extreme temperatures, or direct sunlight. Install in a dry, well-ventilated area.
- Proper Wiring: Use appropriate gauge wiring for all connections to prevent overheating and ensure stable operation.
- No User Serviceable Parts: Do not attempt to open or repair the unit. Refer all servicing to qualified personnel.
3. Package Contents
Carefully unpack the box and ensure all items are present and undamaged. If any items are missing or damaged, contact your supplier immediately.
- Urmet 926/3 Electronic Intercom Power Supply Unit (1x)
- Instruction Manual (this document)
4. Setup & Installation
Installation should only be carried out by a qualified professional. Ensure all power is disconnected before proceeding.
- Mounting: Select a suitable, dry, and well-ventilated location for mounting the power supply unit. Use appropriate fasteners to secure the unit to a wall or electrical panel.
- Input Power Connection: Connect the main AC power supply to the designated input terminals on the Urmet 926/3 unit. Refer to the wiring diagram provided with your intercom system for specific terminal assignments. Ensure correct polarity and secure connections.
- Output Connection to Intercom: Connect the output terminals of the Urmet 926/3 to the intercom system's power input. This unit provides 38VA power, which is suitable for compatible Urmet electronic intercom systems. Double-check the wiring diagram for your specific intercom model to ensure proper connection.
- Grounding: Ensure the unit is properly grounded according to local electrical regulations.
- Final Check: Before restoring power, visually inspect all connections to ensure they are secure, correctly wired, and free from any short circuits.
- Power On: Restore power to the circuit. The intercom system should now receive power from the Urmet 926/3 unit.
Note: A detailed wiring diagram specific to your intercom system is crucial for correct installation. If you do not have one, consult your intercom system's manual or a qualified technician.
5. Operating Instructions
The Urmet 926/3 is a dedicated power supply unit designed to provide stable power to compatible Urmet electronic intercom systems. Once correctly installed and connected, the unit operates automatically when power is supplied to the circuit.
- Automatic Operation: The power supply unit will provide the necessary 38VA power to the intercom system as long as it receives input power.
- No User Controls: This unit does not feature user-adjustable controls or switches. Its function is solely to convert and supply power.
- Intercom Functionality: Refer to your specific Urmet intercom system's manual for instructions on its operation, as the power supply unit only facilitates its function.
6. Maintenance
The Urmet 926/3 power supply unit requires minimal maintenance. Regular inspection can help ensure its longevity and reliable performance.
- Power Disconnection: Always disconnect the main power supply before performing any maintenance.
- Cleaning: Periodically clean the exterior of the unit with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Inspection: Annually inspect the wiring connections for any signs of loosening, corrosion, or damage. Ensure the unit's casing is intact and free from cracks.
- Ventilation: Ensure that the area around the unit remains clear to allow for proper ventilation and prevent overheating.
- Professional Check: For any concerns regarding internal components or electrical performance, consult a qualified electrician.
7. Troubleshooting
If your intercom system is not functioning correctly, perform the following basic troubleshooting steps. Always disconnect power before inspecting connections.
| Problem | Possible Cause | Solution |
|---|---|---|
| Intercom system has no power. | No main AC power to the Urmet 926/3 unit. | Check the circuit breaker or fuse for the power supply circuit. Ensure the main power switch is ON. |
| Intercom system has no power. | Loose or incorrect wiring connections to the Urmet 926/3. | Disconnect power, then inspect and secure all input and output wiring connections. Refer to the installation section. |
| Intercom system has no power. | Faulty Urmet 926/3 unit. | If power is confirmed at the input terminals and connections are correct, the unit may be faulty. Contact a qualified technician for diagnosis and replacement. |
| Intercom system functions intermittently. | Unstable power supply or loose connections. | Check all wiring connections for tightness. Ensure the input power is stable. Consult an electrician if the issue persists. |
If these steps do not resolve the issue, do not attempt further repairs. Contact a qualified electrician or Urmet customer support.
8. Specifications
Key technical specifications for the Urmet 926/3 Electronic Intercom Power Supply Unit:
- Model: 926/3
- Manufacturer: Urmet
- Output Power: 38VA (Volt-Amperes)
- Compatibility: Designed for Urmet electronic intercom systems
- ASIN: B07D3XMHKV
- Batteries/Piles: Not included, not required
- Availability of Spare Parts: Information unavailable
9. Warranty & Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your Urmet distributor or reseller. Keep your proof of purchase for warranty claims.
Manufacturer: Urmet
Website: www.urmet.com (Note: This is a general Urmet website, specific regional support may vary.)





