A
Anonymous
Apr 06, 2026
Rating: 3/5
Packaging was damaged
The box arrived crushed, but the unit inside was okay. Functionality is fine.
Description
Genuine Midea Air Source Heat Pump Modular Unit Wired Controller KJR-51/BMK-A (ROHS) Dedicated Control Panel for 3HP/5HP
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Brand | Midea |
| Model Number | KJR-51/BMK-A |
| Compatible Capacity | 3HP / 5HP Systems |
| Input Voltage | 220-240V AC |
| Material | ABS Plastic & Electronic Components |
| Certification | ROHS Compliant |
| Display Type | LED Digital Display |
| Connection Interface | Wired Terminal Block |
| Operating Temperature | -15°C to 50°C |
| Warranty Period | 1 Year Manufacturer Warranty |
5 reviews
A
Anonymous
Apr 02, 2026
Rating: 5/5
Fixed the E3 error
My system was throwing an E3 error. This controller fixed it immediately.
A
Anonymous
Mar 19, 2026
Rating: 4/5
Good part, tricky install
The controller itself is genuine and works well. Installation required some careful wiring.
A
Anonymous
Mar 18, 2026
Rating: 5/5
Exact match for my unit
Replaced the old controller on my 5HP Midea heat pump. Works flawlessly.
A
Anonymous
Mar 04, 2026
Rating: 5/5
Genuine OEM part
Definitely original Midea quality. Fits perfectly into the module unit.
5 FAQ
Q: How do I reset the controller after installation?
A: Power cycle the unit by turning off the breaker for 30 seconds.
Q: What is the input voltage requirement?
A: It operates on standard 220-240V AC supply.
Q: Is this compatible with 4HP systems?
A: This model is specifically designed for 3HP and 5HP systems. Please check your unit manual.
Q: Does it come with a wiring diagram?
A: Yes, a basic wiring schematic is included in the package.
Q: Is this suitable for outdoor installation?
A: This controller is housed within the module unit, not for direct outdoor exposure.
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