Mitsubishi Electric MS-18NN Series Service Manual page 21

8. TIMER OPERATION
1. How to set the timer.
(1) Press OPERATE/STOP (ON/OFF) button to start the air conditioner.
(2) Check that the current time is set correctly.
NOTE : Timer operation will not work without setting the current time. Initially "AM0:00" blinks at the current time display
of TIME MONITOR so set the current time, correctly with CLOCK SET button.
(3) Press ON or OFF TIMER button to select the operation.
ON-TIMER button ... AUTO START operation (ON timer)
OFF-TIMER button ... AUTO STOP operation (OFF timer)
(4) Press HR. and MIN. button to set the timer. Time setting is in 10-minute units.
HR. and MIN, button will work when ON or OFF TIMER button is flashing.
These marks disappear in 1minute.
When setting the ON timer, check that OPERATION INDICATOR of the indoor unit lights.
NOTE1 : Be sure to place the remote controller at the position where its signal can reach the air conditioner even during
TIMER operation, or the set time may deviate within the range of about 10 minutes.
NOTE2 : Reset the timer in the following cases, or the set time may deviate and other malfunctions may occur.
A power failure occurs.
The circuit breaker functions.
2. CANCEL
Timer setting can be cancelled with the ON or OFF TIMER button.
To cancel the ON timer, press the ON-TIMER button.
To cancel the OFF timer, press the OFF-TIMER button.
Timer is cancelled and the display of set time disappears.
PROGRAM TIMER
The OFF timer and ON timer can be used in combination.
" " display shows the order of the OFF timer and ON timer operation order.
(Example 1) The current time is 8:00 PM.
The unit turns off at 11:00 PM, and on at 6:00 AM.
START STOP
(Example 2) The current time is 11:00 AM.
The unit turns on at 5:00 PM, and off at 9:00 PM.
START STOP
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