QIACHIP KR2201BY Instruction Manual AC 110V 220V WIFI Ewelink Smart Remote Control Switch 1-CH Relay Receiver
Version: V1.0
Last Updated: 2026-02-04
Model: KR2201BY
Product Size
- Receiver Length (L) x Width (W) x Height (H): 80mm x 42mm x 30mm
Component Description
- 1: Antenna
- 2: Indicator light
- 3: Learning button
- L-In: Live wire input terminal
- N-In: Neutral wire input terminal
- L-Out: Live wire output terminal
- N-Out: Neutral wire output terminal
Wiring Diagram
Disconnect power before wiring.
Figure 1
Figure 1: Wiring diagram for Lamp
- Load: Lamp
- Input Power: AC 90V-250V
Figure 2
Figure 2: Wiring diagram for Water pump
- Load: Water pump
- Input Power: AC 90V-250V
Pairing with Ewelink APP
Step 1
Connect your phone to 2.4GHz WIFI and turn on Bluetooth.
Step 2
Long press the learning button on the receiver for more than 6 seconds until the indicator light flashes twice quickly and then stays on once, and the WIFI pairing mode will be successfully activated.
Step 3
Open the Ewelink APP. Tap "+" to add a device in the top right corner of the screen, and enter the password of the connected 2.4G WIFI.
Step 4
Tap the icon of the device that appears to start the pairing process, and then wait until the pairing is completed.
Compatible Pairing Mode
If you fail to enter Quick Pairing Mode (Touch), please try "Compatible Pairing Mode" to pair.
Step 1
Long press the learning button on the receiver for more than 5 seconds until the LED indicator flashes twice rapidly and then remains on steadily. Then release the button. Long press the pairing button for 5 seconds again until the indicator flashes rapidly. Subsequently, the device enters the compatible pairing mode.
Step 2
Tap "+" and select "Compatible Pairing Mode" on APP. Select Wi-Fi SSID with ITEAD-** and enter the password 12345678, and then go back to eWeLink APP and tap "Next". Be patient until pairing completes.
Pairing with RM2.4G remote control
Offline Pairing
Step 1
Press the learning button on the receiver twice in quick succession.
Step 2
The pairing can be completed by pressing the button of the remote control to be paired again.
To delete the paired remote control buttons, you need to go to the "eWelink Remote" page in the App settings for deletion.
Pairing within APP
Step 1
Click on the added device, then click the settings icon in the upper - right corner, and then select "eWelink Remote".
Step 2
Simply operate according to the prompts.
Electrical characteristics
| Parameter | Value |
|---|---|
| Input voltage | AC 90V-250V |
| WIFI frequency | IEEE 802.11 b/g/n 2.4GHz |
| Maximum Load Current | 30A |
| Rated Load | Max 3000W |
| Receiver sensitivity | -108dBm |
| Working temperature | -10℃~70℃ |
| Size | 80x42x30mm |
Warning
- L and N wires must not be reversed.
- When using wireless electronic devices, avoid proximity to metal objects, large electronic equipment, electromagnetic fields, and other sources of strong interference.