Kaysun KEM-30 DNH3, Technical Manual

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Note:
Working mode setting is valid only when the unit is power off.
4) Set clock
This time the hour of the clock will flash, it means the
current setting is the hour of the clock, press the or
to adjust, press key when finished, and then
the minute of the clock will flash, it means the current
setting is the minute of the clock, press the or
to adjust, press OK key when finished or wait for 7
seconds to be effective; during the setting process press
the Cancel key, then it will exit without saving.
Note:
For getting the correct timing on and timing off hour, please correctly set the clock!
14.3.3 Combination of key functions
1) HYSTERESIS setting function
a. Through the hysteresis setting, the system can adjust the load effectively.
b. The adjusting logic of cooling mode: (the parameter of δ1,δ2,Tj1 and Tj2 are decided by the outdoor unit)
c. The adjusting logic of heating mode: (the parameter of δ1,δ2,Tj1 and Tj2 are decided by the outdoor unit)