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QIACHIP KR2202 Instruction Manual AC 110V 220V 433MHz RF Remote Control Switch 2-CH Relay Receiver

QIACHIP KR2202 Product Diagram

Version: V1.0

Last Updated: 2025-05-27

Model: KR2202

Product Size

QIACHIP KR2202 Size Figure.webp

  • Receiver Length (L) x Width (W) x Height (H): 68mm x 48mm x 20mm
  • Housing Length (L) x Width (W) x Height (H): 75mm x 54mm x 25mm
  • Receiver hole horizontal spacing: 60mm; Vertical spacing: 42mm; Hole Diameter: Ø5mm

Component Description

QIACHIP KR2202 Component Description Figure

  • 1: Learning button
  • 2: Indicator light
  • 3: Antenna
  • L: Live wire
  • N: Neutral wire
  • NO: Normally open terminal
  • COM: Common terminal
  • NC: Normally closed terminal

Wiring Diagram

Disconnect power before wiring.

Figure 1

QIACHIP KR2202 Wiring Diagram 1

Figure 1: Wiring diagram for AC motors

  • Load: AC Motor

  • Input Power: AC 85V-250V

Figure 2

QIACHIP KR2202 Wiring Diagram 2.webp

Figure 2: Wiring diagram for DC motors

  • Load: DC motor
  • Input power: AC 85V-250V
  • External power supply: DC Power

Figure 3

QIACHIP KR2202 Wiring Diagram 3.webp

Figure 3: Wiring diagram for lamps

  • Load: lamp
  • Input power: AC 85V-250V

Function description and setting method

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

NOTE

  • When you use the first and second working modes, a remote control with at least two buttons is required.
  • When you use the third working mode, a remote control with at least three 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 off, 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.

Step 3

After the indicator light goes out, press another button (such as B) on the same remote control. The indicator light on the receiver will flash and then will turn on. 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 off, 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.

Step 3

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

(3) Latching mode

In this mode:

  • Press the remote control button (such as A), and the corresponding relay A on the receiver will turn on.
  • Press the remote control button (such as B), and relay B on the receiver will turn on while relay A on the receiver will turn off.
  • Press the remote control button (such as C), and the currently activated relay on the receiver 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 off, 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.

Step 3

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

(4) Reset function

  • When the KR2202 receiver is 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 on. The reset will be complete.

Electrical characteristics

Parameter Value
Input voltage AC 85V-250V
RF frequency 433.92MHz
Standby current 8.5 mA
Rated Load Max 1100W
Receiver sensitivity -108dBm
Operation mode Momentary mode/Toggle mode/Latching mode
Working temperature -10℃~70℃
Size 68x48x18mm

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.