1. Introduction
The COMMAX DP-SS is an indoor audio intercom unit designed exclusively for use with COMMAX multi-unit door stations. This unit facilitates two-way audio communication with visitors at the door station and includes a function for door release. It is important to note that the DP-SS is an audio-only intercom and is not a telephone; it does not have a telephone jack and is not compatible with intercom systems from other brands.
This manual provides detailed instructions for the installation, operation, and maintenance of your DP-SS intercom unit.
2. Product Overview
Figure 2.1: Front view of the DP-SS intercom unit. This image shows the sleek white design of the unit with its handset resting in the cradle, connected by a coiled cord.
Figure 2.2: Top-down view of the DP-SS unit with the handset removed. This view highlights the speaker grille, microphone, and the prominent door release button on the base unit.
Figure 2.3: Rear view of the DP-SS unit. This image displays the back panel, including the terminal block for wiring connections and a label detailing the model number and basic wiring information.
3. Compatibility
The COMMAX DP-SS intercom unit is designed to be compatible exclusively with specific COMMAX audio intercom multi-apartment systems and door stations. It is not compatible with other brands or non-audio COMMAX systems.
- Compatible Door Stations: DR-nKM, DR-nKS, DR-nAM, DR-nAS, DR-nUM (where 'n' denotes the number of buttons, e.g., DR-4UM, DR-6UM, DR-8UM, DR-12AM).
- Compatible Multi-Apartment Systems: DR-nAM, DR-nKM, DR-nUM, DR-4UM, DR-6UM, DR-8UM, DR-12AM.
Figure 3.1: Examples of compatible COMMAX audio intercom lobby panels. This image illustrates the various door station models that can be used with the DP-SS unit.
4. Installation and Setup
4.1. Mounting
The DP-SS unit is designed for surface mounting. Ensure the mounting location is secure and allows for proper wiring access.
Figure 4.1: Mounting dimensions and procedure. This diagram provides visual guidance for installing the DP-SS unit on a wall surface, including key dimensions in millimeters.
- Secure the mounting bracket to the wall using appropriate screws.
- Connect the necessary wiring before attaching the unit to the bracket.
- Carefully align and attach the DP-SS unit to the mounted bracket.
4.2. Wiring
The DP-SS unit requires a 4-wire connection to the door unit and a 2-wire connection for the door lock mechanism. Power is supplied via DC12V/500mA.
Figure 4.2: Wiring diagram for DP-SS. This diagram illustrates the connections between the DP-SS unit, the COMMAX door station (e.g., DR-nUM), and the DC12V power supply, including terminals for door lock control.
- Identify the 4 wires from the door unit and connect them to the corresponding terminals on the DP-SS.
- Connect the 2 wires for the electric door lock to the designated terminals.
- Ensure the DC12V/500mA power source is correctly connected.
- Verify all connections are secure before applying power.
5. Operation
5.1. Receiving a Call
- When a visitor presses the call button on the outdoor door station, the DP-SS unit will ring.
- Lift the handset to answer the call and establish two-way audio communication with the visitor.
5.2. Door Release
- During an active conversation with a visitor, press the circular door release button located on the base unit of the DP-SS.
- This action will activate the electric door lock, allowing the visitor to enter.
5.3. Ending a Call
- To end the conversation, simply place the handset back into its cradle.
6. Maintenance
The COMMAX DP-SS intercom unit requires minimal maintenance to ensure optimal performance.
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Avoid using abrasive cleaners, solvents, or strong chemicals, as these can damage the surface.
- Environmental Conditions: Ensure the unit is operated within the specified temperature range of 0°C to 50°C (32°F to 122°F). Avoid exposing the unit to excessive moisture, direct sunlight, or extreme temperatures.
- Wiring Inspection: Periodically check the wiring connections at the back of the unit to ensure they remain secure and free from corrosion. Only perform this check when power to the unit is disconnected.
7. Troubleshooting
This section addresses common issues you might encounter with your DP-SS intercom unit.
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio during a call. | Loose or incorrect wiring; faulty handset; issue with door station. |
|
| Door release button not working. | Incorrect wiring for door lock; faulty door lock mechanism; unit not in active call. |
|
| Unit not ringing when call button is pressed. | No power; incorrect wiring; faulty door station call button. |
|
If the problem persists after attempting these solutions, please contact COMMAX customer support or a qualified technician.
8. Specifications
| Model | DP-SS |
| Power Source | DC12V / 500mA |
| Mounting Type | Surface mounted type |
| Wiring | 4 wires (to door unit) and 2 wires (for door lock) |
| Dimensions (with handset) | 70mm (W) x 210mm (H) x 80mm (D) |
| Distance (Max) | 100m (0.65Φ standard) |
| Operating Temperature | 0°C ~ 50°C (32°F ~ 122°F) |
| Product Dimensions (L x W x H) | 10.5 x 4.5 x 2.5 inches |
| Item Weight | 4.2 ounces (120 Grams) |
| Material | Plastic |
| Manufacturer | Commax |
| Country of Origin | Korea, Republic of |
9. Warranty and Support
9.1. Return Policy
This product is subject to a 30-day return policy from the date of purchase. Please refer to your retailer's specific return guidelines for details on refunds or replacements.
9.2. Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact your product vendor or COMMAX customer support. Contact information can typically be found on the product packaging or the vendor's website.
When contacting support, please have your product model number (DP-SS) and purchase details ready.
