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7. Initial Setting Circuit (IC401)
When power is supplied, the microcomputer reads the data in IC401 or IC402 (E
●
preheating activation value and the rating and maximum speed of the compressor, etc. to their initial
values.
Data of self-diagnosis mode is stored in IC401 or IC402; data will not be erased even when power is
●
turned off.
Fig. 7-1
– 65 –
2
PROM) and sets the
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