When the installation is finished, the dialog box shown below will open. Click the left mouse button on [Finish], to complete the installation of the driver.8. Connect the SCU-20 PC Connection Ca-ble to the USB jack on the computer. The SCU-20 PC Connection Cable will be rec-ognized automatically.
In a snow blower that is a single stage the auger is doing both tasks of bringing in the snow and blowing it out the chute. A two stage has a separate impeller that blows the snow out of the chute.
Single-Stage vs. Two-Stage Furnaces. Flexibility is the main difference between one-stage and two-stage furnaces. A furnace with single-stage heating contains a fixed gas valve and a single-speed blower motor. These furnaces are either on and running at full capacity or off. A model with two-stage heating contains a two-stage gas valve and a variable-speed blower motor. This allows the furnace to run at a lower setting in milder weather and a higher setting in very cold weather. Benefits of Two-Stage Heating