1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Solem BL-IP1 9V Battery-Powered Irrigation Programmer. The BL-IP1 is a single-station irrigation controller designed for efficient water management, featuring Bluetooth connectivity for easy programming via a mobile device. Please read this manual thoroughly before using the device to ensure proper function and longevity.
2. Safety Information
- Always disconnect the power source (battery) before performing any maintenance or wiring.
- Ensure all electrical connections are secure and protected from moisture. Although the device is waterproof, proper installation is crucial.
- Do not immerse the entire unit in water. It is designed to withstand outdoor elements, but not prolonged submersion.
- Use only a 9V alkaline battery of the specified type. Do not mix old and new batteries or different battery types.
- Keep the device out of reach of children.
- Do not attempt to open or repair the unit yourself. Refer to qualified personnel for service.
3. Package Contents
Verify that all components are present in the package:
- Solem BL-IP1 Irrigation Programmer (1 unit)
- Instruction Manual (this document)
- Mounting hardware (screws/anchors, if included)
Note: A 9V battery is required for operation and is typically not included.
4. Setup
4.1 Battery Installation
- Locate the battery compartment on the unit.
- Open the battery compartment cover.
- Insert a new 9V alkaline battery, ensuring correct polarity (+/-).
- Securely close the battery compartment cover to maintain waterproofing.
4.2 Mounting the Programmer
The BL-IP1 is designed for outdoor installation. Choose a location that is easily accessible for maintenance and within 10 meters of where you will typically program it via Bluetooth.
- Use the integrated mounting holes on the unit to secure it to a wall or sturdy surface using appropriate screws.
- Ensure the unit is mounted vertically with the wiring connections facing downwards to prevent water ingress.
4.3 Wiring Connections

Image: The Solem BL-IP1 irrigation programmer showing the main unit with a screw-on cap on the right and colored wires (yellow, black, orange, red) extending from the bottom, indicating connection points for irrigation valves. The model name 'BL-IP' is visible on the unit's body.
The BL-IP1 is a single-station programmer. Connect your 9V latching solenoid valve to the designated terminals. Refer to the wiring diagram provided with your solenoid valve for specific connections.
- Connect the common wire from your valve(s) to the 'C' terminal.
- Connect the hot wire from your single valve to the '1' terminal.
- Ensure all connections are tight and protected from moisture.
4.4 Bluetooth Pairing
- Download the official SOLEM app from your mobile device's app store (iOS or Android).
- Enable Bluetooth on your mobile device.
- Open the SOLEM app. The app will automatically search for nearby BL-IP1 devices.
- Select your BL-IP1 from the list of discovered devices to establish a connection.
- Follow the on-screen prompts within the app to complete the pairing process.
5. Operating the Programmer
All programming and control of the BL-IP1 are performed via the SOLEM mobile application.
5.1 Setting Up Watering Programs
- Once connected to your BL-IP1 in the app, navigate to the 'Programs' or 'Schedules' section.
- Create a new program by specifying:
- Start Times: When watering should begin.
- Run Times: How long the valve should remain open for each watering cycle.
- Watering Days: Which days of the week the program should run.
- Save the program. The settings will be transmitted to the BL-IP1 unit.
5.2 Manual Operation
The app typically allows for manual activation of the valve for a specified duration. Look for a 'Manual Run' or 'Quick Run' option within the app interface.
5.3 Rain Delay Function
If available in the app, you can set a rain delay to temporarily suspend watering for a set number of days, preventing overwatering during rainy periods.
6. Maintenance
- Battery Replacement: Replace the 9V battery annually or when the low battery indicator appears in the app. Use only high-quality alkaline batteries.
- Cleaning: Periodically wipe the exterior of the unit with a damp cloth to remove dirt and debris. Do not use harsh chemicals or abrasive cleaners.
- Winterization: In regions subject to freezing temperatures, remove the BL-IP1 unit from its outdoor location, disconnect the battery, and store it indoors in a dry, frost-free environment. Drain any water from the irrigation lines to prevent damage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not connecting via Bluetooth. | Bluetooth is off on mobile device; device out of range; low battery; app issue. | Ensure Bluetooth is enabled. Move closer to the unit (within 10m). Replace battery. Restart the app or mobile device. |
| Watering program not starting. | Incorrect program settings; low battery; valve issue; wiring problem. | Verify program start times, run times, and days in the app. Replace battery. Check valve operation manually. Inspect wiring connections. |
| Valve not opening/closing. | Faulty valve; wiring issue; insufficient power. | Test the valve directly if possible. Re-check wiring. Ensure battery is fresh. |
| App crashes or freezes. | Outdated app version; mobile device memory issues. | Update the SOLEM app to the latest version. Close other apps on your mobile device. Restart your mobile device. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | BL-IP1 |
| Power Source | 9V Battery (not included) |
| Connectivity | Bluetooth (up to 10 meters range) |
| Number of Stations | 1 |
| Dimensions (L x W x H) | 14 x 9 x 5.5 cm (5.5 x 3.5 x 2.2 inches) |
| Weight | 335 grams (0.74 lbs) |
| Material | Steel |
| Operating Temperature | 20 Degrees Celsius |
| Water Resistance | Waterproof (designed for outdoor use) |
9. Warranty and Support
For warranty information, please refer to the documentation provided at the time of purchase or visit the official SOLEM website. If you encounter issues not covered in this manual or require further assistance, please contact SOLEM customer support through their official channels.
Manufacturer: Solem