12b-5
CONTROL SYSTEM
Revision 0
12B.3.4 Defrosting
• IFAN always run at the set speed.
• After COMP is on for 5 minutes, if (ICT <= -3ºC) during 1 minute, COMP and OFAN stop. If
(ICT > 7ºC), COMP and OFAN will resume to the normal operation.
Note: If ICT is invalid, defrosting protection cannot be activated
ICT (ºC)
+7
+1
0
-3
>= 5 min 1 min >= 5 min
COMP ON
OFF
OFAN ON
OFF