Three Mode WiFi Switch

Product Overview

The EWB4CH-B1 is a three-mode WiFi switch designed for smart home automation. It supports Wi-Fi 2.4GHz, Bluetooth connectivity, and manual control via an external button interface.

Parameters:

• Input Voltage: DC/AC 7V~32V
• Max. Current: 2000W/10A/gang
• Max. Load: 3500W/16A/4gang
• Wireless: Wi-Fi 2.4ghz b/g/n + Bluetooth
• Frequency Radio: 2.4G
• Working Temperature: -20°C~70°C
• Size: 81*76*28mm

Checklist Before Using the Device:

• Your smartphone or tablet has connected to a 2.4g WiFi with internet.
• Bluetooth of the phone is enabled.
• You have the correct WiFi password.
• Your smartphone or tablet must have access to the App Store or Google Play.
• Your router is MAC-open.

User Guide

Account Registration:

1. Start with the "EWelink" APP.
2. Register an EWelink account. If you have an EWelink account, just log in.

Add Device Flow to Mobile APP:

1. After installation, power the device. Hold down the Reset button (pairing button) for 6 seconds until the Network indicator blinks quickly (blinking twice and on).
2. Tap '+' on the Ewelink app.
3. Select Bluetooth Pairing.
4. Keep the phone close to the device.
5. Wait a minute; when the device is found, click "Connect".
6. Select your WiFi, enter your WiFi password, and then click "Save" in the upper right corner to wait for the connection to succeed.
7. When the network indicator is on, the device is online.

Inching / Interlock Switch Settings:

1. Click the switch name on the app.
2. Navigate to "Inching Settings" or "Interlock" from the device menu.
3. Set inching duration: Click "Inching Settings", set the desired inching duration.
4. Enable interlock: Click "Interlock", set the interlock function.

Remote Control Matching:

1. From the Ewelink app, navigate to the device settings and select "eWelink Remote".
2. Click the upper button to enter the learning state.
3. Press the button of your 2.4G remote control.
4. Loosen the remote control buttons; matching is successful.

Note: External switches can only be self-recovery switches.

Troubleshooting

Solutions for the failure of product matching and offline:

• Check if your WiFi is 2.4GHz.
• Ensure the WiFi password is correct.
• Restart the device and router.
• If none of the above is resolved, try adding the device again using a personal hotspot from another phone.

For further assistance, access the "Guide" or "Ewelink support" within the app's "Message" or "Profile" sections.

FCC Compliance Information

FCC Warnning: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.

Caution: Any changes or modifications to this device not explicitly approved by the manufacturer could void your authority to operate this equipment.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.