Technibel Climatisation MCA72R5TA Technical Data & Service Manual page 26

I Defrosting Mode Timing Chart
Compressor
Outdoor fan
Solenoid coil
(4 – way valve)
Indoor fan
Standby lamp
Indoor heat
exch. coil
Tc° C
temp.
32° C
NOTE
*1: Refer to "5-7 Cold Draft Prevention".
Start of defrosting
60 seconds
ON OFF
ON
4 or 8 seconds
ON
Set speed
OFF ON
Max. 8 to 12 minutes
ON ON
OFF
OFF
OFF
26
Release of defrosting
60 seconds
OFF ON
ON
2 seconds
ON
LL
ON
Release of
cold draft prevention
Set speed
OFF
* 1