Midea MSEAAU-09HRFN1(SB) Service Manual page 32

Kids Star Inverter
10.4.3.2 Outdoor fan running rules
The outdoor unit will be run at different fan speed according to T4.
For different outdoor units, the fan speeds are different
10.4.3.3 Indoor fan running rules
When the compressor is on, the indoor fan can be set to Au, 20,40,60,80 or F.
When indoor unit coil temp. is low, the anti-cold air function will start and indoor fan motor will run at
low speed, the speed can't be changed ,when the temp. is lower than setting value, the indoor fan
motor will stop.
When the indoor temp reaches the setting temp., the compressor will stop, the indoor fan motor will
run at setting speed.(The anti-cold air function is valid).
Auto fan action in heating mode:
T 1 -T s
10.4.3.4Defrosting mode
AC will enter the defrosting mode according to the value of temp. of T3 and the value range of temp.
change of T3 and also the compressor running time.
During the defrosting mode, the compressor keep running, indoor and outdoor motor will stop,' HS '
will be displayed.
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 15 minutes in defrosting mode.
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T 4
E
D
C
B
A
A +
DM16-01.01.23en
Service manual