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II. Control System
6. Indoor unit PCB option code
II
28
Operation method Applicable button Indicating state
❋ Step 4
Method)
Input the third digit of option code
by pressing the temperature
adjustment button (down).
example) 021
E31142285
Result)
If 1 is displayed, go to the step 5.
❋
Step 5
Method)
Input the fourth digit of option
code by pressing the fan speed
adjustment button.
example) 021E
31142285
Result)
If E displays, go to step 6.
❋
Step 6
Method)
Input the fifth digit of option code
by pressing the On timer button.
example) 021E3
1142285
Result)
If 3 displays, go to step 7.
DVM E-D/B(chapter2)-E<03759 3/21/02 7:33 PM Page 28