Description

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Application	Automotive Cooling System
Product Name	Radiator Cooling Fan
Brand Name	Neutral
OEM	7700653324 7700785115 7700828623 7700828624 7701040630 7700696488 7700728083 77007520277 700756582 7700757924 7700769131
Material	PA66
Warranty	12 months/3000 hours
MOQ	20 PCS
Packing	neutral packing or customized packing
Payment	T/T
Type	Aftermarket
Place of Origin	Jiangsu, China (Mainland)

The electronic fan speed adjustment of the 1991-2001 Renault 19 is mainly achieved through the following methods:

1. Mechanical temperature control switch adjustment

The electronic fan of this model may use a bimetallic temperature control switch or electronic temperature controller, which controls the fan speed through physical contacts:

When the water temperature rises to the preset threshold (such as 90 ℃), the low-speed gear is triggered;

When the temperature further increases (such as 95 ℃), switch to high gear and automatically turn off after cooling down.

2. Forced linkage of air conditioning system

When the air conditioning compressor is working, the electronic fan will be forced to start (usually at high speed) to ensure heat dissipation from the condenser. Adjusting the air conditioning temperature or wind speed at this time may indirectly affect the fan load.

3. Circuit speed regulation limit

If manual adjustment of the speed is required, it may be necessary to change the circuit impedance through external capacitors or resistors (such as series capacitors to reduce the speed), but such modifications may affect the stability of the original vehicle circuit and should be handled with caution.