For the USB device access, replacement, maintenance operations must be carried out by professional staff. Wireless control allows you to control your air conditioner using your mobile phone and a wireless connection. When turning off the unit from COOL, AUTO (COOL), or DRY modes, the air conditioner will continue operate at very low power to dry up condensed water and prevent mildew growth. If the unit loses power, it will automatically restart with the prior settings once power has been restored. Not all the functions are available for the air conditioner, please check the indoor display and remote control of the unit you purchased. Regularly inspect and clean air filters.Ī guide on using the infrared remote is not included in this literature package.Limit energy usage by using TIMER ON and TIMER OFF functions.To further optimize the performance of your unit, do the following: Please set the vertical air flow louver to its maximum angle (vertically to the floor), and set HIGH fan mode. If the air conditioner operates in excess of this figure, the surface of the air conditioner may attract condensation. NOTE: Room relative humidity less than 80%. When outside temperature is below 32☏ (0☌), we strongly recommend keeping the unit plugged in at all time to ensure smooth ongoing performance. When your air conditioner is used outside of the following temperature ranges, certain safety protection features may activate and cause the unit to disable.įOR OUTDOOR UNITS WITH AUXILIARY ELECTRIC HEATER User manual of Cooper&Hunter CH-NG09MIA115VI (20 pages) Operating temperature SUBMITTAL DATA SHEET CH NG09MIA115VI:O - (English).If you decide to replace your thermostat, consider our latest Thermostat Buying Guide with a basic overview of thermostats, various types to consider including programmable and smart thermostats plus links to our reviews of popular brands like nest, ecobee, Sensi, Honeywell, Lennox, Trane, and more.Cooper&Hunter CH-NG09MIA115VI - Cooling and Heating Solutions - Use Manual - Use Guide PDF. Search the manual for the thermostat troubleshooting section to see if this issue is discussed along with a solution for fixing it. If you don’t have it, search online by the brand and model – whatever information you can locate on the thermostat or inside the cover. The Thermostat is Brokenīefore calling it a lost cause, check the thermostat manual. Blow it out of the thermostat or gently brush it with a soft-bristled, small paint brush to remove the dust. Is the thermostat in a dusty area? Remove the cover to look for dust. If for some reason, you’re trying to set it higher or lower, it won’t change temperature from the low or high setting. Most thermostats have a set range of about 40 to as high as 99 degrees Fahrenheit. The Upper or Lower Temperature Setting Is Reached Occasionally, low battery power will lead to malfunctions in a thermostat including making it so that the thermostat won’t change temperature settings when you want it to. The system would have to be much too big to achieve those kinds of temperatures. A properly sized HVAC system won’t heat your home above 85 or cool it below 55. Why would an installer do this? Because they didn’t want the system to work harder than it should. Many thermostats can be programmed with high or low limits, so once set to that point, the thermostat won’t change temperature any further. The Installer Set High or Low Temperature Limits Sometimes it’s not that easy, and you have to use a thin wire or straightened paperclip to push into the reset hole. The Thermostat Needs to Be Resetĭoes it have a reset button? Try pushing that. You’ll have to switch the mode to Heat or Cool/AC in order to manually override the programmed temperature. You may notice that on the website and mobile apps you can’t make any temporary changes to the current Set Temperature.” Lux says, “If your thermostat is in Auto mode, Heat or Cool modes will be automatically activated within the range of your heating and cooling schedules. This is true, for example, with most Lux smart thermostats. That’s because in Auto mode, the thermostat uses pre-programmed temperature ranges. When you choose Auto mode on some models, you can’t change thermostat temperature. You can always search for the thermostat’s manual online, and it should have instructions on what to do if the thermostat won’t change temperature, starting with trying to unlock it. Similar techniques work for other brands. Press the plus “+” and minus “-“ buttons simultaneously and hold for 3-4 seconds to unlock the thermostat. Then press the Hold button to unlock the thermostat. Press and release the Next button three times. Press the ring a second time, and enter the PIN. Press the thermostat’s ring, and the Locked icon will appear.
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