Application areas: automotive thermal management system; main purpose: air conditioning controller (ECU) by sending Lin digital signal to the control board, control the rotation of the rotor parts, through the transmission of the silk rod and nut, the rotary movement of the rotor parts into the valve needle along the axial straight line movement, so as to adjust the flow area of the valve port, regulating the flow of refrigerant.

Product features

1、Synchronized correction, over-voltage, under-voltage, over-temperature protection, cross protection, no-load detection:

2、Support the LIN bus to update the firmware;

3, support the slave node configuration function;

4、Support valve needle real-time blocking monitoring.

Technical parameters:

1、Applicable medium: R134a / R1234yf;

2, rated capacity: 0.7 Ton to 5Ton;

3, ambient temperature: -40 ° C to 120 ° C;

4、Operating voltage: 12V/24V;

5, Maximum working differential pressure: > 2.5 MPa @ 9V;

6, external leakage performance < 1.5 g/y@2.0MPa;

7, internal leakage performance: < 300 mL/min (@ 1.0 MPa AP air);

8、Communication mode: Lin control;

9, electrical connector: three-pin / four-pin;

10, stepper motor poles: 20 poles / 24 poles;

11、Protection level: IP6K9K.