Midea MSH-07CRN1, MSH-07HRN1, MSH-09CRN1, MSH-09HRN1, MSH-12CRN1, MSH-12HRN1 Manual page 177

8.4.4 Indoor Fan actions at heating mode
Indoor Fan can be set at HIGH/MID/LOW/AUTO by using a remote controller,
Anti-cold wind function 1.
Indoor exchanger temp. up
Indoor exchanger temp. down
Anti- cold air protection 2 ( when the room temp. satisfy the setting temp.)
Room temp. up
Room temp. down
Auto wind
Room temp. up
Room temp. down
Indoor evaporator high-temperature protection
Indoor exchanger temp. up
Indoor exchanger temp. down
8.5 Defrosting mode
8.5.1 Conditions of defrost:
Defrosting starts when either of the following :
T3 lower than 0°c, lasts for more than 40 minutes, provided that the time period when the
temperature is lower than -3°c consecutively reaches 3 minutes.
Calculate from the end of latest defrost, evaporator high temp. protection only closes outdoor fan
with the compressor still running. Add up to 90 minutes
.
8.5.2 Conditions of defrost ending:
Defrosting ends when either of the following :
The time gets to 10 minutes;
T3>20°c
Condition
T= Indoor exchanger temp.
T<TE1
TE1<T<TE2
T>TE2
T>TE3
TE4<T<TE3
T>TE4
T=evaporator pipe sensor temp.
T<TE14+2¡ æ
T> TE14+2¡ æ
T> TE14
T< TE14
Condition
T=Indoor Temp.-Setting Temp.
T<2¡ æ
T>2¡ æ
T> 0¡ æ
T<0¡ æ
Condition
T= Indoor exchanger temp.
T<TE8
TE8<T<TE7
T>TE7
T>TE9
T<TE9
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Indoor fan speed
Off
Low speed
Setting fan speed
Setting fan speed
Low speed
Off
Indoor fan speed
Low speed or stop
Setting speed.
Setting speed.
Stop after 15 seconds Low speed
Indoor fan speed
Med. speed
Low speed.
Low speed.
Med. speed
Compressor
On
On
Off
Off
On
Outdoor fan
On
Off
Off
Off
On