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Quick Details

  • Type: Refrigerator Parts
  • Place of Origin: Jiangxi, China (Mainland)
  • Brand Name: JJHT
  • Operating Temperature(°C):: -40~+85
  • Input Voltage(V):: AC220V/50HZ
  • Ambient humidity: 20%-80%
  • Standby power(W): 0.5W

Packaging & Delivery

Delivery Time 15 days

Most popular intelligent digital display temperature controller for air conditi

Most popular intelligent digital display temperature controller for air conditi

 Newest freezer pcb control intelligent digital display electronic thermostat


Product Description

Technical Parameter:


1.Component of Controller 

   Consists of the power supply board and display board, power frequency transformer      produce power on the power supply board, display board consist of microcomputer        control chip, LED display(include driver),buzzer(include driver) and press                         button.


2. Safe performance

    Pass the safe performance inspection standard of home appliance EMC


3. Main component request

    MCU use high cost perfomance famous semiconductor company STM8 series.

       conversion accuracy is 10 units.


4. Relay

    Relay use the products from Xiamen Hongfa, the rating current, voltage is      

    10A/277VAC, compared with the control of load has a sufficient remain.

 5. PCB
     The main control board and display board use FR-4, thickness: 1.2mm
      ±0.15mm; brush moistureproof paint on the back.
6. Press button
    Use mechanical buttons, cooperate with panel button after installation button rapid          response, stability is good.
7. Product function
    1) Temperature accuracy 0.5°C, temperature range -50°C-63°C
    2) Temperature setting of refrigeration and freezer and LED display program
    3) Refrigeration temperature loop setting:8°C-7°C-6°C-5°C-4°C-3°C-2°C-8°C
    4) Freezer temperature loop setting: -12°C-14°C-16°C- -18°C- -20°C- -22°C-     
        -24°C- -26°C- -28°C- -30°C- -12°C
   5) Parameter setting, power cut memory
   6) Sensor fault alarm
   7) Alarm elimination program
   8) Operated in fault program
   9) Button lock fuction
  10) Digital display on-off fuction
  11) Compressor delay start protect fuction
  12) Compressor long time operation protect function


Company Information

Jiujiang Hengtong Auto-control Device Co.,Ltd. is a private joint-stock company, established in November 2000. The company covers an area of 80,000 Square meters , It is a beautiful and comfortable place for us in working here.


Hengtong main products include thermostats, water pump, thermostat assembly, LED light board, capillaries, which are mainly used in refrigerators, freezers, water dispensers, household air conditioners, car air conditioners, environmental conditioning, fryers, ovens, washing machines , dishwashers and other appliances, the company has more than 1,500 employee, 25 lines for low temperature products, with an annual low temperature thermostat 40 million pieces; 10 lines for  high temperature products, with an annual output of high-temperature thermostat 20 million pieces; 4 lines for thermostat assembly (including injection molded parts and LED lights), with an annual temperature assembly 20 million sets; 4 production lines  for LED assembling, with an annual 40 million sets of  LED lights , 4 production lines for pumps, annual pump 10 million pieces;4 production lines for the capillary tube, with an annual 1000 tons capillary; 20 injection molding machines.


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