Invest MSC-24/QD FP, Service Manual

Page: 29 / 37

27
8.13 Sleep function mode
8.13.1 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:
1) After pressing ECONOMIC or SLEEP button on controller, the machine will turn into sleep
mode.
2) When cooling, the setting temperature rises 1 (be lower than 30 ) every one hour, 2 hour
later the rising stops and indoor fan is fixed as low speed.
3) When heating, the setting temperature descends 1 (be lower than 30 ) every one hour, 2
hour later the descending stops 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 on
time.
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 than
7 hours, sleep function will be cancelled when reaching the setting time. If the timing time is more than 7 hours, the
machine will not stop until reaches the setting off time in sleep mode.
8.14 Auto-Restart function
The indoor unit is equipped with auto-restart function. In case of a sudden power failure, the setting conditions before
the power failure will be restored. The unit will resume the previous operation setting automatically after 3 minutes when
power returns.
8.15 Ionizer function(optional)
The indoor unit is equipped with Ionizer, which is controlled by the CLEAN AIR button on the remote
controller
when 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 indoor
fan stops running due to malfunctions or anti-cold-wind. When indoor fan restarts after malfunctions being
eliminated and anti-cold-wind being released, Ionizer will be available again.