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When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed are
memorized by the indoor electronic control P.C.board. The “AUTO RESTART FUNCTION” sets to work the moment power
has restored after power failure.Then, the unit will restart automatically. However if the unit is operated in “I FEEL CON-
TROL.” mode before power failure, the operation is not memorized. In “I FEEL CONTROL.” mode, the operation is decided
by the initial room temperature.
How to set “AUTO RESTART FUNCTION”
1Turn off the main power for the unit.
2Removed the electronic control P.C. board and the display P.C.board. (See page 60 and 62.)
3Cut the RESISTOR JR07 (MSH-07/09/12) or JR06(MSH-18/24) on the indoor electronic control P.C.board.
C11
52C
CN201
CN112
CN121SW
CN111
IC101
CN211
CN151
JR07
JR06
CN102
CN151
CN112 CN111CN121
CN101
BZ
SW
52C
IC101 RA102
IC141
CN211
C11CN201
Operation
1If the main power (220/240V AC) has been cut, the operation settings remain.
2After 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.)
Note:
•The operation settings are memorized when 10 seconds have passed after the remote controller was operated.
•If main power is cut while AUTO START/STOP timer is active ,the timer setting is cancelled when auto restart function
works.
•If the unit has been off with the remote controller before power failure, the auto restart function does not works as the
power button of the remote controller is off.
•To prevent breaker off due to the rush of startting current, systematize other home appliance not to turn on at the same
time.
•When more than one air conditioners are connected under the same power system,compressor starting current as large
as that for all the compressors used flows at a time as soon as the units restart automatically.
Therefore, the specific counter-measures are required to prevent main voltage drop or the rush of starting current after
power failure by providing the system to allow the units to start in regular succession.
MSH-07/09/12
MSH-18/24
5. AUTO RESTART FUNCTION
MSH-07NV - MSH-09NV -
MSH-12NV - MSH-24NV -
MSH-18NV -
E3
E2E2
E2E2
OB207t-2qxp 25/9/97 8:55 PM Page 46