Installation Guides
Simple Setup. Reliable Performance.
Get the best performance from your AutoSensor products with our installation guidance.
Whether you're installing a new automatic sensor tap, replacing a control box, fitting a battery box or setting up a touchless soap dispenser, use the guides below to help ensure your product is installed correctly and safely.
Important: Installation requirements vary between products. Always check the instructions and specifications supplied with your specific AutoSensor model before beginning installation.
Choose Your Installation Guide
Automatic Sensor Taps
Before You Begin
Before installing your automatic sensor tap, make sure you have:
- A compatible water supply
- Suitable hot and/or cold water connections
- Access beneath the basin or sink
- The correct power source for your model
- Any supplied control box, solenoid valve or connection cables
- Appropriate plumbing tools
Turn off the water supply before starting any plumbing work.
Typical Installation Process
1. Turn Off the Water Supply
Close the hot and cold water isolation valves before disconnecting or installing any plumbing components.
2. Prepare the Basin
Check that the tap mounting hole is suitable for your AutoSensor tap.
Clean the installation area before fitting the new tap.
3. Install the Tap
Position the tap through the mounting hole.
Fit the supplied washer and mounting hardware underneath the basin and secure the tap firmly.
Do not overtighten the fittings.
4. Connect the Water Supply
Connect the water inlet hose or hoses according to your specific model.
Make sure all connections are properly secured.
5. Connect the Sensor System
Connect the sensor cable to the appropriate control box or solenoid valve connection.
Ensure connectors are fully inserted and correctly matched.
Never force incompatible connectors together.
6. Connect the Power Supply
Depending on your AutoSensor model, power may be supplied using:
- Batteries
- Mains power
- A compatible power adapter
Follow the power specification supplied with your product.
7. Turn the Water Back On
Slowly reopen the water supply.
Inspect all plumbing connections carefully for leaks.
8. Test the Sensor
Place your hands within the sensor detection area.
The water should activate automatically and stop shortly after your hands are removed.
Test the tap several times before completing the installation.
Control Box Installation
AutoSensor control boxes manage the connection between the sensor, power supply and water-control system.
Some AutoSensor control boxes support both battery and mains-powered operation.
Before Replacing a Control Box
Check:
- Model number
- Voltage
- Connector type
- Sensor connector
- Solenoid connector
- Power connection
- Existing wiring configuration
Do not assume that every AutoSensor control box is compatible with every sensor tap.
Installation Steps
1. Switch Off the Water Supply
Turn off the water before disconnecting the existing system.
2. Disconnect the Power
Remove the batteries or disconnect the power adapter before working on the control box.
3. Photograph Existing Connections
Before removing your existing control box, take a clear photograph of all connected cables.
This can make reconnecting the new unit much easier.
4. Disconnect the Old Control Box
Carefully disconnect:
- Sensor cable
- Solenoid connection
- Battery box
- Power adapter, where applicable
Avoid pulling cables directly from the wire.
5. Position the New Control Box
Install the control box underneath the sink or basin in a secure location.
Keep it away from areas where standing water may accumulate.
6. Reconnect the Components
Connect the sensor, solenoid valve and power components to their corresponding connectors.
Make sure each connection is secure.
7. Restore Power
Install the required batteries or reconnect the correct power supply.
8. Test the Tap
Turn the water supply back on and test sensor activation several times.
Check underneath the basin for leaks or loose connections.
Battery Box Installation
Battery boxes provide low-voltage power for compatible automatic sensor taps.
Installation Steps
1. Check Battery Requirements
Confirm the battery type and quantity required by your battery box.
Do not mix:
- Old and new batteries
- Different battery brands
- Different battery types
2. Insert the Batteries
Install each battery according to the polarity markings inside the battery holder.
Check the + and − positions carefully.
3. Close the Battery Box
Securely close the battery box to help protect the batteries and internal contacts.
4. Connect the Battery Box
Connect the battery-box cable to the corresponding power connector on the control box or sensor system.
Do not force the connector.
5. Secure the Battery Box
Place or mount the battery box somewhere accessible underneath the basin.
Avoid positioning it where water may collect.
6. Test the Sensor Tap
Activate the sensor several times to confirm normal operation.
Solenoid Valve Installation
The solenoid valve controls water flow when it receives a signal from the sensor system.
Before Installation
Confirm that the replacement valve matches:
- Voltage
- Connector type
- Water-flow direction
- Pipe connection size
- Existing sensor/control system
Installation Steps
1. Turn Off the Water
Never remove a solenoid valve while the water supply is active.
2. Disconnect the Power
Disconnect the battery or mains power supply.
3. Note the Water-Flow Direction
Check the flow-direction marking on the valve.
Installing the valve backwards may prevent correct operation.
4. Remove the Existing Valve
Carefully disconnect the plumbing connections.
Have a towel or container available for residual water.
5. Install the Replacement Valve
Fit the new valve in the correct flow direction.
Secure all plumbing connections.
6. Connect the Electrical Cable
Connect the solenoid cable to the corresponding control-box connection.
7. Restore the Water Supply
Slowly reopen the isolation valve and inspect the installation for leaks.
8. Restore Power and Test
Reconnect the power supply and test sensor operation.
Mixer Valve Installation
Mixer valves allow hot and cold water to be combined before reaching the sensor tap.
Typical Connection
Hot Water → Mixer Valve
Cold Water → Mixer Valve
Mixed Water → Sensor Tap / Solenoid System
Installation Guidance
Turn off both hot and cold water supplies before installation.
Connect the hot and cold supplies to their correct mixer-valve inlets.
Connect the mixed-water outlet to the appropriate tap or sensor-system inlet.
Restore the water supply slowly and check all connections for leakage.
Adjust the mixer until the desired outlet temperature is reached.
Important
Always verify the inlet markings before connecting hot and cold water.
Take appropriate precautions against excessively hot water, particularly in commercial, educational, healthcare or public environments.
Automatic Soap Dispenser Installation
Wall-Mounted Dispensers
1. Choose the Installation Position
Select a flat surface with sufficient clearance underneath the dispenser.
Position the unit where customers can comfortably place their hands beneath the sensor.
2. Mark the Mounting Position
Use the mounting points on the dispenser or supplied template to mark the fixing locations.
3. Check Behind the Wall
Before drilling, make sure there are no:
- Electrical cables
- Water pipes
- Hidden services
behind the drilling area.
4. Install the Wall Fixings
Use fixings appropriate for the wall material.
5. Mount the Dispenser
Secure the dispenser firmly to the wall.
6. Install the Batteries or Power Supply
Follow the product's specified power requirements.
7. Fill the Dispenser
Add the compatible soap or liquid specified for your model.
Do not overfill the reservoir.
8. Prime and Test
Activate the dispenser several times until the product dispenses normally.
Sensor Module Replacement
If you're replacing an infrared sensor module, compatibility is especially important.
Before ordering or installing a replacement, compare:
- Connector shape
- Number of connector pins
- Cable length
- Sensor dimensions
- Voltage
- Control-box compatibility
Replacement Process
Disconnect the water and power supply.
Remove the existing sensor carefully.
Connect the replacement sensor to the corresponding control box.
Restore power and test the sensor before permanently securing all components.
After Installation
Once installation is complete, perform these checks.
Water Connections
Check every water connection for leaks.
Inspect again after the system has been operating for several minutes.
Sensor Operation
Activate the sensor repeatedly and make sure:
- Water starts correctly
- Water stops correctly
- Detection distance is consistent
- The system does not activate unexpectedly
Power Connections
Make sure:
- Battery polarity is correct
- Connectors are fully inserted
- Cables are not trapped or stretched
- Electrical components are protected from water
Final Check
Run the system several times before leaving the installation unattended.
Troubleshooting After Installation
The Sensor Tap Does Not Activate
Check:
- Water supply is open
- Batteries are installed correctly
- Batteries have sufficient charge
- Power adapter is connected
- Sensor cable is connected
- Solenoid cable is connected
- Sensor surface is clean
Water Runs Continuously
Check:
- Nothing is positioned permanently in front of the sensor
- Sensor surface is clean
- Solenoid connections are correct
- Valve is installed in the correct direction
- Control-box connections are secure
Turn off the water supply if continuous flow cannot be stopped.
Sensor Works Intermittently
Check the batteries first.
Low battery power can cause inconsistent sensor behaviour.
Also inspect:
- Loose connectors
- Damaged cables
- Dirty sensor surface
- Incorrect sensor positioning
No Water Comes Out Even Though the Sensor Activates
Check:
- Isolation valve is open
- Water supply is available
- Solenoid valve direction
- Water inlet connections
- Filters or aerators for blockages
The Tap Activates By Itself
Clean the infrared sensor and remove reflective or moving objects immediately in front of it.
Very reflective surfaces or objects positioned within the detection area can sometimes interfere with infrared sensor operation.
Installation Safety
For your safety, always follow these precautions.
- Turn off the water supply before carrying out plumbing work.
- Disconnect power before working on electrical components.
- Never connect a component to an incompatible voltage.
- Keep electrical connections protected from water.
- Never force incompatible connectors together.
- Check all water connections for leaks after installation.
- Follow the instructions supplied with your specific product.
Mains-Powered Products
If your installation requires connection to fixed mains electrical wiring, use a suitably qualified electrician.
Plumbing Work
If you are not confident modifying water connections, we recommend using a qualified plumber.
Need Help Identifying Your Product?
Not sure which control box, battery box, solenoid valve, sensor or replacement component you need?
Send our team:
- A clear photograph of the existing product
- A photograph of its connector
- Any model numbers or labels
- A photograph of the complete installation
- A short description of the problem
This helps us identify the most suitable replacement component before you order.
Need Installation Support?
Our UK-based support team is available to help with product compatibility and installation questions.
Email: support@autosensor.co.uk
Phone: 07495 128739
When contacting us about an existing installation, please include your product model number and photographs whenever possible.
Important Installation Disclaimer
These guides provide general installation guidance only.
Exact installation methods, electrical requirements, connector configurations and plumbing arrangements vary between AutoSensor products and installations.
Always follow the instructions supplied with the specific product. Where installation involves fixed electrical wiring, significant plumbing modifications or circumstances in which you are unsure about safe installation, use an appropriately qualified professional.