Mitsubishi Electronics MS24WN Air Conditioner User Manual


 
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How to release “AUTO RESTART FUNCTION”
1 Turn off the main power for the unit.
2 Pull out the indoor electronic control P.C. board and the display P.C.board. (Refer to page 40.)
3 Solder the Jumper wire or the Resistor 220 to the JR07 on the indoor electronic control P.C.board. (Refer to page 37.)
Operation
1 If the main power (115V AC) has been cut, the operation settings remain.
2 After the power is restored, the unit restarts automatically according to the memory. (However, it takes at least 3 minutes
for the compressor to start running.)
9-3. AUTO RESTART FUNCTION
When the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan
speed are memorized by the indoor electronic control P.C. board.
When the main power is turned off and then turned back on, the unit restarts automatically in the memorized set
conditions approximately after 3 minutes.
NOTE:
The operation settings are memorized when 10 seconds have passed after the indoor unit was operated with the remote
controller.
If the main power is turned off or a power failure occurs while AUTO START/STOP timer is active, the timer setting is
cancelled.
If the unit has been off with the remote controller before power failure, the auto restart function does not work as the
power button of the remote controller is off.
To prevent breaker off due to the rush of starting current, systematize other home appliances not to turn on at the same
time.
When some air conditioners are connected to the same power supply system, if they are operated before power failure,
the starting current of all the compressors may flow simultaneously at restart.
Therefore, special counter-measures are required to prevent the main voltage-drop or the rush of the starting current
by adding to the system that allows the units to start one by one. (time delay)
JR07
IC152
CN151
CN112
CN111
CN121
SW1
IC101
RA102
C11
CN201
CN211
TAB12
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