39
minutes. While TCDI
=
-
6
℃
.
----T4
<
0
℃
,
If the 1
st
condition and 2
nd
condition items are satisfied, then the program judges if T2 has decreased
more than 5
℃
.When T2 has decreased more than 5
℃
, enter the defrosting mode.
----No matter what value T4 is, if the machine runs with T3
<
3
℃
for more than 120 minutes and T3
keeps lower than TCDI+4
℃
for more than 3 minutes, the machine will enter defrosting mode no
matter if T2 drops more than 5
℃
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 TCDE1
℃
.
----T3 keeps to be higher than TCDE2
℃
for 80 seconds.
----The machine has run for 10 minutes in defrosting mode.
While TCDE1=15
℃
, TCDE2=8
℃
for 18k,24k models. TCDE1=12
℃
, TCDE2=8
℃
for other models.
Содержание WYB-GMFI SERIES
Страница 17: ...15 5 Wiring Diagram 5 1 Indoor Units 009 012 018 024 ...
Страница 18: ...16 5 2 Outdoor Units 009 012 018 ...
Страница 19: ...17 024 ...
Страница 42: ...40 Defrosting action For 18k 24k models Model FD FD1 018 90 100 024 ...