Carrier 42LUVH055N Service Manual

278.12 Timer function8.12.1 Timing range is 24 hours, and the minimum resolution is 15 minutes.8.12.2 Timer on. After turning off, the machine will turn on automatically when reaching the setting time.8.12.3 Timer off. After turning on, the machine will turn off automatically when reaching the setting time.8.12.4 Timer on/off. After turning off, the machine will turn on automatically when reaching the setting “on” time, andthen turn off automatically when reaching the setting “off” time.8.12.5 Timer off/on. After turning on, the machine will turn off automatically when reaching the setting “off” time, andthen turn on automatically when reaching the setting “on” time.8.12.6 The tolerance of Timer is 1 minute per hour.8.13 Sleep function mode8.13.1 Operation time in sleep mode is 7 hours. After 7 hours the machine quits this mode and turns off.8.13.2 In cooling, heating or auto mode sleep function is available.8.13.3 Operation process in sleep mode is as follow:After pressing ECONOMIC or SLEEP button on controller, the machine will turn into sleep mode.When cooling, the setting temperature rises 1℃(be lower than 30℃) every one hour, 2 hour later the rising stops andindoor fan is fixed as low speed.When heating, the setting temperature descends 1℃(be lower than 30℃) every one hour, 2 hour later the descendingstops and indoor fan is fixed as low speed, and anti-cold-wind is available.8.13.4 If user uses timer on function in sleep mode, sleep function will pause and not resume until reaches the setting ontime.8.13.5 When user uses timer off function in sleep mode(or sleep function in timer off mode), if the timing time is less than7 hours, sleep function will be cancelled when reaching the setting time. If the timing time is more than 7 hours, themachine will not stop until reaches the setting off time in sleep mode.8.14 Auto-Restart functionThe indoor unit is equipped with auto-restart function, which is carried out through an auto-restart module. In caseof a sudden power failure, the module restores the setting conditions before the power failure. The unit will resumethe previous operation setting (including Mode, Fan speed, Temperature, ON/OFF) automatically after 3 minutes whenpower returns.8.15 Ionizer/Plasma dust collector function(optional)The indoor unit is equipped with Ionizer, which is controlled by the CLEAN AIR button on the remote controllerwhen the unit is turned on. Press the CLEAN AIR button to activate the function. Press it again to stop the function.During the time when Ionizer being controlled by remote controller, Ionizer will be turned off automatically, if indoorfan stops running due to malfunctions or anti-cold-wind. When indoor fan restarts after malfunctions beingeliminated and anti-cold-wind being released, Ionizer will be available again.