Klimaire KSIL024-H219 Service Manual - Manual (Page 46)

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The units run with T3 ＜ 37 ºF for 80 minutes and T3 keeps lower than TCDI +35.6 ºF for more than 3
minutes. While TCDI = 21 ºF.
----T4 ＜ 32 ºF,
If the 1 st condition and 2 nd condition items are satisfied, then the program judges if T2 has decreased
more than 9 ºF. When T2 has decreased more than 9ºF, enters the defrosting mode.
----No matter what value T4 is, if the machine runs with T3 ＜ 37 ºF for more than 120 minutes and T3
keeps lower than TCDI 39ºF for more than 3 minutes, the machine will enter defrosting mode no
matter if T2 drops more than 41 ºF or not.
Condition of ending defrosting:
If any one of the following items is satisfied, the defrosting will finish and the machine will turn to
normal heating mode.
----T3 rises to be higher than TCDE 34 ºF.
----T3 keeps being higher than TCDE 35.6 ºF for 80 seconds.
----The machine has run for 10 minutes in defrosting mode.
While TCDE1=27 ºF, TCDE2=14.4 ºF for 18k, 24k models. TCDE1=21.6 ºF, TCDE2=14.4 ºF for other
models.