Introduction
The TrolMaster DSD-1 Dry Contact Station is a versatile plug-and-play module designed to integrate various devices with your TrolMaster control system. It provides a dry contact output, allowing you to control equipment that requires a simple on/off signal, such as pumps, fans, or other environmental devices. This manual provides detailed instructions for the setup, operation, and maintenance of your DSD-1 module to ensure optimal performance and longevity.

Image: The TrolMaster DSD-1 Dry Contact Station, a compact black module with a standard US power outlet and indicator lights.
Package Contents
Before proceeding with the installation, please verify that all items are present in your package:
- 1 x TrolMaster DSD-1 Dry Contact Station
- 1 x Cable Set (specific to your region/application)
- 1 x Instruction Manual (this document)
Safety Information
Please read and understand all safety warnings and instructions before using this product. Failure to do so may result in electric shock, fire, or serious injury.
- Do not expose the device to water or high humidity.
- Ensure the power supply matches the device's specifications.
- Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
- Keep out of reach of children.
Setup
Follow these steps to set up your DSD-1 Dry Contact Station:
- Mounting: Choose a suitable location for the DSD-1 module, ensuring it is away from direct moisture and extreme temperatures. The module can be mounted using screws or placed on a flat surface.
- Connecting to the Control System: Connect the DSD-1 module to your TrolMaster Hydro-X or other compatible control system using the provided RJ12 cable. Insert one end of the RJ12 cable into the DSD-1's input port and the other end into an available port on your main controller or a TrolMaster device station.
- Connecting the Controlled Device: The DSD-1 provides a dry contact output. Connect the device you wish to control to the dry contact terminals on the DSD-1. Refer to your controlled device's manual for specific wiring instructions for dry contact inputs. Ensure all connections are secure.
- Powering On: Once all connections are made, plug the DSD-1 into a standard power outlet. The indicator lights on the module will illuminate, indicating it is receiving power and communicating with the control system.
- Configuration in Control System: Access your TrolMaster control system's interface. Navigate to the device setup section and add the DSD-1 module. Configure the desired on/off schedules or conditions for the dry contact output according to your application.

Image: An overview of TrolMaster control systems, including Aqua-X, Hydro-X, and Carbon-X, demonstrating the ecosystem the DSD-1 integrates with.
Operating Instructions
The DSD-1 Dry Contact Station operates under the control of your main TrolMaster system. Once configured, its operation is largely automated.
- Status Indicators: Observe the LED indicators on the DSD-1 module. These typically show power status and communication activity. Refer to your main controller's manual for specific indicator meanings.
- Manual Override (if applicable): Some TrolMaster systems allow for manual override of connected modules. Consult your main controller's manual for instructions on how to manually activate or deactivate the dry contact output.
- Scheduled Operations: The primary function of the DSD-1 is to execute scheduled tasks or respond to environmental conditions as programmed in your TrolMaster control system. Ensure your schedules are correctly set for the connected device.

Image: A close-up of the TrolMaster DSD-1 module, showing the "PROGRAM" text, indicating its programmable nature within the system.
Maintenance
The DSD-1 Dry Contact Station requires minimal maintenance to ensure reliable operation.
- Cleaning: Periodically wipe the exterior of the module with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Connection Check: Regularly inspect all cable connections (RJ12 and dry contact wiring) to ensure they are secure and free from corrosion or damage.
- Firmware Updates: Check the TrolMaster website or your main controller's settings for any available firmware updates for the DSD-1 module. Follow the instructions provided by TrolMaster for safe updating.
Troubleshooting
If you encounter issues with your DSD-1 Dry Contact Station, refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| DSD-1 not recognized by main controller. |
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| Connected device does not turn on/off. |
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| Indicator lights are off. |
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Specifications
| Feature | Detail |
|---|---|
| Model Number | DSD-1 |
| Product Dimensions | 4 x 4 x 4 inches |
| Item Weight | 1 pound |
| Input Voltage | Standard AC (region dependent) |
| Output Type | Dry Contact |
| Compatibility | TrolMaster Hydro-X and compatible control systems |
| Manufacturer | TrolMaster |
Warranty and Support
For warranty information and technical support, please refer to the official TrolMaster website or contact their customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
TrolMaster Official Website: www.trolmaster.com
Customer Support: Refer to the website for contact details.








