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8. Initial Setting Circuit (1(531)
• When power is supplied, the microcomputer reads the data in 1(531 (E
activation value and the rating and maximum speed of the compressor, etc. to their initial values.
• Data of self-diagnosis mode is stored in 1(531; data will not be erased even when power is turned off.
9. Temporary Switch Circuit
• The temporary switch is used to operate the air conditioner temporarily when the wireless remote control
is lost or faulty.
• The air conditioner operates in the automatic mode by pressing the temporary switch. If the power switch is set to OFF
then ON it also operates in the automatic mode when the temporary switch is pressed.
5V
Fig. 8-1
D V
5V
Temporary
r
switch
>-- ----- 1\/\J ,� ----- -----< 17 TEMPO RAR Y
OV
Fig . 9- 1
71
2
PROM) and sets the preheating
Microcomputer
MICROCOMPUT E R
SW
ov
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