Low Temperature Heat Pump Main Control Board by Sp

Built in 2008,Zhouju is a leading company with RD team and strong OEM, ODM ability in the filed of HVAC BLDC motor drivers control and other HVAC control systems, Located in Xianlin Science Technology Zone, Hangzhou City, Zhejiang Province, Nearby Xixi wetland Scenic. Our products ranges are air conditioning, Refrigerator, Kitchen Appliance and water treatment and customized module to complete products. Approved By ISO 9001:2008 in 2013.Zhouju Cover 5000 square meters with 3 production lines and  300 employees,Our annual sales volume reached to 100 Million RMB to Guarantee High Quality, Our 25 RD department engineers cooperate with Jilin University on theory and algorithm, company achieved the foundation of academician workstation in 2015 with professor Guo-the great master on auto industry, we have completed test instruments include Voltage Method & automatic pulse measurement systems, constant temperature and humidity test, EMC test, AOI test, FCT,ICT test.
 
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Specification:
1 Sine Wave,sensorless,FOC (field-Oriented Control) Drving technology;
2 Single Phase solution with PFC, while 3 phase solution without PFC 
3 Multi-choice of speed control: 0-10V, PWM, FREQ, TTL_UART,485, ModBus
4 Special Control Strategy for Heat Pump system: double oil-return step, Multi Forbidden Frequency, System Pressure Balance, and so on.
5 Completed Protection: Over-current(software+hardware),High/Low DC Voltage,loss of synchronism,IPM overheat,Discharge Temperature Overheat and so on; 
6 Power Input: 0.2kW to 10kW
7 Max Current Limitation
8 Max Power Input limitation