Product Detail

• NO: Normally open pin
• COM: Common pin
• NC: Normally closed pin
• Learning button on receiver – for programming modes and resetting
• Indicator LED on receiver – provides visual feedback
• Antenna on receiver – extend for better signal reception
• 2 x Key fob transmitters – with 27A 12V battery included
• Wiring connectors (if applicable)

Wiring Diagram

• Input terminals: Connect AC 90V-250V Live (L) and Neutral (N) from power source
• Output terminals: Connect Live (L) and Neutral (N) to appliance (e.g., light bulb)

Warning

• Always disconnect power before installation or maintenance to prevent electric shock. Installation should be performed by a qualified electrician or in accordance with local electrical codes.
• Ensure the input voltage (AC 90V-250V) matches your electrical system.
• Do not exceed the maximum load capacity of 1500W or 10A.
• Do not expose the receiver to moisture, extreme temperatures, or corrosive environments. The receiver is not waterproof unless explicitly stated.
• Keep the device and remote controls out of reach of children and pets.
• Usually the receiver and transmitter have been paired with each other in factory. If not, please reprogram them.
• Reset before you want to change the operating mode.
• After reset, all the remote controls cannot work anymore.
• Replace the battery in time when the remote transmitter voltage is low.
• Slightly stretch the antenna on the receiver for better signal reception.

Operating Mode

The product is pre-configured in Latched mode. You can change the mode by following the programming steps below.

Momentary Mode

Press and hold a button → output is active
Release the button → output turns off

How to program:

1. Press the learning button on the receiver 4 times. The indicator light will flash.
2. Press button A on your remote control.
3. Wait approximately 3 seconds. The indicator light will flash, confirming successful pairing in Momentary mode.

Toggle Mode

Press a button once → output turns on
Press the same button again → output turns off

How to program:

1. Press the learning button on the receiver 2 times. The indicator light will flash.
2. Press button B on your remote control.
3. Wait approximately 3 seconds. The indicator light will flash, confirming successful pairing in Toggle mode.

Latched Mode

Press button A → output turns on
Press button B → output turns off

How to program:

1. Press the learning button on the receiver 3 times. The indicator light will flash.
2. Press button A on your remote control (for ON).
3. Press button B on your remote control (for OFF).
4. Wait approximately 3 seconds. The indicator light will flash, confirming successful pairing in Latched mode.

Set Default State (On/Off)

To set whether the relay defaults to ON or OFF when power is restored:

1. Press the learning button on the receiver 7 times. The indicator light will flash.
2. The receiver will toggle between default ON and OFF states. The indicator light will confirm the selected default state.

Reset

To clear all stored remote control codes from the receiver, press the learning button 8 times. The indicator light will flash, confirming that all codes have been cleared.

Troubleshooting

If the receiver and transmitter cannot operate normally, try the following steps:

• Device not responding to remote: Check if receiver is properly powered (indicator light active). Ensure remote battery is not depleted. Verify remote is paired correctly. Clear all codes and re-program if unsure. Check for obstructions or excessive distance.
• Device turns on/off unexpectedly: This could be due to interference. Try clearing all codes and re-pairing. Ensure no other 433MHz devices are operating nearby.
• Indicator light on receiver does not turn on: Check power supply and wiring connections. Verify circuit breaker is not tripped.

Maintenance

Battery replacement (remote control): The remote uses a 27A 12V battery. If the indicator light does not illuminate or range decreases:

1. Carefully open the remote control casing.
2. Remove the old 27A 12V battery.
3. Insert a new 27A 12V battery, ensuring correct polarity.
4. Close the casing securely.

Cleaning: Wipe the receiver and remote control with a dry, soft cloth. Do not use liquid cleaners or solvents.

Contact

• WhatsApp: +86 15812381273
• Email: linktrol@icloud.com

If there is any question about the products, please contact us first. We will do our best to solve your problem. Thank you.