Daikin LXE10E-A18C Service Manual And Parts List page 13

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(4)Defrosting Interval Automatic Changing Function
What is the Defrosting Interval Automatic Changing Function?
This is a function to measure the time required for defrosting operation with the "long timer"and,
according to the measurement, changes intervals of the defrosting operation. If a lapse of time after
turning OFF the power supply is less than 48 hours, the intervals of defrosting operation immediately
before turning OFF the power supply and elapsed time after the completion of defrosting operation
will be maintained. If a lapse of time after turning OFF the power supply is 48 hours or more, the
intervals of defrosting operation will be reset to the default value of 6 hours and the elapsed time
after the completion of defrosting operation will be reset to zero, respectively.
＊Caution
If the defrosting operation is performed according to any timer other than the long timer (e.g. short
timer or out-range timer), the defrosting operation counter will be reset to zero.
Conditions to use the Defrosting Interval Automatic Changing Function:
In order to use the defrosting interval automatic changing function, the following conditions should be
both satisfied.
¡ The defrosting interval automatic changing function is set to "ON" while in optional function
setting mode.
For details of the optional function setting, refer to information on page 19.
¡ The set temperature falls within the range of -2.0˚C ≦ +6.0˚C.
Details of Defrosting Interval Automatic Changing Function
To make the interval shorter:
If defrosting operation for a period of 40 minutes or more is performed consecutively two times or
defrosting operation for a period of 60 minutes or more is performed once, make the defrosting
operation interval shorter by 1 step with the "long timer".
Example:
6-hour interval before change → 3-hour interval after change
・
12-hour interval before change → 9-hour interval after change
・
To make the interval longer:
If defrosting operation for a period of 20 minutes or less is performed consecutively two times,
make the defrosting operation interval longer by 1 step with the "long timer".
Example:
3-hour interval before change → 6-hour interval after change
・
9-hour interval before change → 12-hour interval after change
・
Resetting of Contents of Defrosting Interval Automatic Changing Function
If a lapse of time after turning OFF the power supply is 48 hours or more, the intervals of defrosting
operation will be reset to the default value of 6 hours and the elapsed time after the completion of
defrosting operation will be reset to zero, respectively.
Procedure for counting a period of time during when the power supply is kept OFF
The period of time during when the power supply is kept OFF is counted in increments of 30 minutes.
Example: When a lapse of time after the completion of defrosting operation is 5 hours and 29
minutes and the interval of defrosting operation is set to 6 hours, if the power supply is turned OFF
once and ON again after a lapse of 47 hours and 59 minutes, counting of a period of time will be
restarted by taking the lapse of time as 5 hours (discarding the time less than 30 minutes) to start
defrosting operation 1 hour after the power supply is turned ON.
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