Commax Dp-ra01 — Installation Manual

Locate the terminal blocks on the back of the Room Station, labeled (1) and (2).

Metal or plastic plate to secure the handset to the wall.

Have an assistant press the call button on the outdoor door station. The DP-RA01 should emit an electronic chime. Pick up the handset and verify that clear, two-way audio communication is established.

Ultimate Installation Guide for the Commax DP-RA01 Intercom System commax dp-ra01 installation manual

Once all physical connections are complete, switch the main AC power back on to test the system functionality.

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Check the AC power connection. Ensure the wires are securely fastened to terminals (1) and (2). Locate the terminal blocks on the back of

The Commax DP-RA01 utilizes a straightforward terminal block on the back of the unit. Strip roughly 5mm of insulation off your connection wires before inserting them into the terminals.

⚠️ Do not run your low-voltage intercom signal cables parallel to high-voltage AC mains power lines inside the walls. Keep them at least 12 inches (30 cm) apart to avoid severe hum, buzz, and audio interference. 🧱 4. Step-by-Step Hardware Installation

Press the call button on the outdoor door station. The indoor handsets should ring with a distinct xylophone chime. The DP-RA01 should emit an electronic chime

Use solid copper cables rather than stranded aluminum cables to prevent voltage drops and audio degradation over long distances. 3. Wiring Diagram and Terminal Identification

Mount your Commax outdoor station at the entrance. Wire its Terminals 1 and 2 back to the indoor handset, ensuring the polarity matches perfectly (1 to 1, 2 to 2). Seal the edges of the outdoor unit with silicone to prevent rainwater ingress. 🚀 5. Testing and Initial Operation

Double-check that Terminal 1 connects to Terminal 1, and Terminal 2 connects to Terminal 2. Broken relay loop or insufficient lock power.