Protection Operations In Cool And Dry Modes - Technibel MCAF92R5TA Technical Data & Service Manual

5-6 Protection Operations in Cool and Dry Modes

1. Indoor Coil Defrost Protection
The in-coil defrost protection can prevent the ice formation at the in-coil when the ambient
temperature is low.
o
ICT [ c]
+5
+2
+1
0
-1
OFAN
COMP
IFAN
t1 = 5 min minimum for each COMP starting
t2 = OFAN cycling (alternate between ON and OFF every 30 sec) for 20 min maximum
t3 = COMP and OFAN stop for 10 min minimum
t1 t2
ON
OFF
ON
OFF
ON
OFF
t3
20