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QIACHIP KR2201-4 Instruction Manual AC 110V 220V 433MHz RF Remote Control Switch 1-CH Relay Receiver

QIACHIP KR2201-4 Product Diagram

Version: V1.0

Last Updated: 2025-07-27

Model: KR2201-4

Product Size

QIACHIP KR2201-4 Size Figure

  • Receiver Length (L) × Width (W) × Height (H): 55mm × 33mm × 18mm
  • Housing Length (L) × Width (W) × Height (H): 65mm × 38mm × 20mm

Component Description

QIACHIP KR2201-4 Component Description Figure

  • 1: Learning button
  • 2: Indicator light
  • 3: Antenna
  • L-Out: Output Live wire terminal
  • N-Out: Output Neutral wire terminal
  • L-In: Input Live wire terminal
  • N-In: Input Neutral wire terminal

Wiring Diagram

Disconnect power before wiring.

Figure 1

QIACHIP KR2201-4 Wiring Diagram 1

Figure 1: Wiring diagram for Lamp

  • Load: Lamp

  • Input Power: AC 85V-250V

Function description and setting method

(1) Momentary mode; (2) Toggle mode; (3) Latching mode; (4) Reset function.

  • When you use the third working mode, a remote control with at least two buttons is required.
  • When pairing a second remote, you don't need to press the button on the receiver 8 times again to reset it.
  • Once the receiver and transmitter are paired and a working mode is selected, the receiver will retain this mode even if powered off and on again.
  • The following working modes require the use of QIACHIP brand remote controls (transmitters) and controllers (receivers/wireless remote control switches). Compatibility with other brands is not guaranteed.

(1) Momentary mode

In this mode:

  • Press and hold the remote control button (such as A), and the corresponding relay on the receiver will turn on.
  • Release the remote control button (such as A), and the corresponding relay on the receiver will turn off.

How to set momentary mode

Step 1

Click the learning button of the receiver once. The indicator light on the receiver will turn on, and the receiver will enter the setting state.

Step 2

Press the button on the remote control (such as A) once. The indicator light on the receiver will flash and then will turn off. The momentary mode will be set successfully.

(2) Toggle mode

In this mode:

  • Press the remote control button (such as A), and the corresponding relay on the receiver will turn on.
  • Press the remote control button (such as A) again, and the corresponding relay on the receiver will turn off.

How to set toggle mode

Step 1

Click the learning button of the receiver twice. The indicator light on the receiver will turn on, and the receiver will enter the setting state.

Step 2

Press the button on the remote control (such as A) once. The indicator light on the receiver will flash and then will turn off. The toggle mode will be set successfully.

(3) Latching mode

In this mode:

  • Press the remote control button (such as A), and the receiver's relay will turn on.
  • Press the remote control button (such as B), and the receiver's relay will turn off.

How to set latching mode

Step 1

Click the learning button of the receiver three times. The indicator light on the receiver will turn on, and the receiver will enter the setting state.

Step 2

Press the button on the remote control (such as A) once. The indicator light on the receiver will flash and then will turn on.

Step 3

After the indicator light turns on, press another button (such as B) on the same remote control. The indicator light on the receiver will flash and then turn off. The latching mode will be set successfully.

(4) Reset function

  • When the KR2201-4 receiver will be reset, all paired transmitters will be unpaired and will no longer be able to control the receiver.

How to reset

Click the learning button on the receiver 8 times. The indicator light will flash and then will turn off. The reset will be complete.

Electrical characteristics

Parameter Value
Input voltage AC 85V-250V
RF frequency 433.92MHz
Maximum Load Current 10A
Rated Load Max 2200W
Receiver sensitivity -108dBm
Operation mode Momentary mode/Toggle mode/Latching mode
Working temperature -10℃~70℃
Size 55x33x18mm

Note: Rated Load breakdown by scenario: resistive load 2200W, LED light 300W, inductive load 500W, capacitive load 200W, incandescent lamp 2200W, energy-saving lamp 300W.

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.