Syncing occurs automatically when you open the Fitbit App on your Android device and have your Zip nearby. Force Sync You can also Force Sync your Zip through the Device Settings to get your trackerâs latest data synced to your Android device.f your iOS deviceâs screen is off, your Zip will not sync in the background until you wake your iOS device from sleep. Force Sync You can also Force Sync your Zip through the Devices menu if you want to get the latest data synced. To Force Sync your Zip: 1. Open the Fitbit App.
And in 1902, a 25-year-old engineer from New York named Willis Carrier invented the first modern air-conditioning system. The mechanical unit, which sent air through water-cooled coils, was not aimed at human comfort, however; it was designed to control humidity in the printing plant where he worked.
Non-ozone depletion refrigerant such as R-410a has been used in newer air conditioning systems. History Of Air Conditioner and Refrigeration. 1  1820 Ice was first artificially made as an experiment. 2  1824 Michael Faraday discovered the principles for the absorption type of refrigeration.3  1834 Jacob Perkins invented the first artificial ice manufacturing machine which led to our modern compression systems. 1913 The first international refrigeration expo is held in Chicago. 2  1928 The discovery of Freon refrigerant by Thomas Midgley, Jr. 3  1930 The White House is air-conditioned. 4  1946 The demand for room air conditioners began to increase with more than 30,000 units produced on this year.