Two Speed Fan Controller

There are two methods for switching between speeds.

Two speed fan controller.

Spdt switch or relay connected to the dry contact input. By connecting the proper wires to the high and low speed terminals on the motor and switch you can control how fast or slow it turns once powered up. Two speed control dials individually set 0 10v sig nals which are then selected via an external switch relay or control system input contains an integral 24v control transformer equipped with a b stop auto switch which is used to set the two fan speeds accept an external selec tion signal or stop the control signal to the motor. How to wire up a 2 speed ford taurus electric fan the relays i used is the zettler az979 1a 12de for low speed and az979 1c 12d for hi speed.

Auto allows selection between fan speed a and fan speed b based on an external switching device status indicator key solid red. Rotary fan controls have manual low speed trim adjustment to ensure proper restart after power interruption. Controller is in auto mode and fan is oper ating at speed set by fan speed a dial. Click here to see the below controller installation.

If you install a ceiling fan without wiring it properly it may prove impossible to operate the fan without the light on and vice versa. Fan speed controls that include wall plates offer a variety of color choices including white ivory and stainless steel. The two speed control allows motor rpm fan speed to operate between two discreet speeds a or b. Fan and controller are powered but signal to control is 0v.

Wet voltage 115 230vac applied to the digital input terminal. A ceiling fan s wiring is integral when it comes to controlling its speed. 1801 waters ridge drive lewisville tx 75057. Slow speed start up and an independently adjustable ac fan speed.

Than use a 30 a. Copyright 2020 standard motor products inc designed developed by multimedia solutions. In order to control the fan s speed the fan needs its own system of wires separate from that of the lighting element. This project became a nice success and i used it for a couple years with flawless performance.