Additionally, it sets the fan speed from 60-100 percent, depending on the coolant temperature. The Variable Speed Control also acts as a relay and lets you vary the temperature at which the fan or fans turn. It should not be used with fans that draw 28 or more continuous amps, such as Flex-a-lite part numbers 290, 295 or 480. The Flex-a-lite Cooling Control Module is ideally suited for any Flex-a-lite single fan, and can be also be used with some of our lower-amperage dual fans such as part numbers 330, 365 or 412. It also has an integrated air-conditioning control which turns the electric fan on whenever the air conditioning is on. It provides the same function as the 31147 Cooling Control Module with a higher amperage rating (40-amps at fan start-up). The Cooling Control Module is Flex-a-lite part number 31149. The Flex-a-lite Cooling Control Module is ideally suited for many Flex-a-lite single fans such as the Trimline, LoBoy and Lo-Profile product lines. This module is rated to manage 20-amps at fan start-up. It uses a stainless steel probe that inserts in the radiator fins to sense engine-coolant temperature. In addition to acting as a relay, it lets you vary the temperature at which the fan or fans turn on from approximately 180-240 degrees Fahrenheit with a simple knob from. The Adjustable Temperature Sensor is Flex-a-lite part number 31147.
Here’s a breakdown of what each of our controllers do so you can choose the one that’s best for you… : Many of our Flex-a-lite electric fans include a Flex-a-lite fan controller already, but the fans are also available without any controls. They turn the electric fans on and off, most of them provide the ability to adjust the temperature at which the fans turn on and almost all of them take the place of relays that other brands of fans require. Flex-a-lite fan controllers are much more than just a relay for your electric fans.
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