QC/T 773-2006Technical specifications for electric cooling fans of automotive radiators (English PDF)

1 Scope

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, storage and preservation of electric fan for automobile radiator (hereinafter referred to as “fan”).

This standard is applicable to fans on automobile engine radiator for discharging the heat therefrom due to driving load. Reference may be made to this standard for fans with brush (DC motor) which have electronic speed controller.

This standard is not applicable to the electronic module of automobile radiator electric fan.

2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.

GB/T 1236 Industrial fans - Performance testing using standardized airways (idt ISO 5801: 1997)

GB/T 2423.17 Basic Environmental Testing Procedures for Electric and Electronic Products - Test Ka: Salt Mist (eqv IEC 68-2-11: 1988)

GB 18655 Limits and methods of measurement of radio disturbance characteristics for the protection of receivers used on board vehicles (idt IEC/CISPR25: 1995)

QC/T 413-2002 Basic technical requirements for automotive electric equipment

QC/T 29106 Technical specification of low-voltage electric harness for motor vehicles

3 Requirements