Midea MSH-07CRN1, MSH-07HRN1, MSH-09CRN1, MSH-09HRN1, MSH-12CRN1, MSH-12HRN1 Manual page 322

8 .8 Protection
8.4.7 3 minutes delay at restart for compressor.
8 .4.8 Sensor protection at open circuit and breaking disconnection
8.4.9 Fan Speed is out of c
Fan+300RPM)or too lo
information and can't returns to normal operation automatically.
8.4.10 Cross Zero signal error warning. If there is no Cross Zero signals in 4 minutes, the unit
stops and LED displays failure information and can't returns to normal operation
automatically.
8.4.11 The current protection of the compressor
Condition
Current up I< I
I
I
I
Current I
down
I
I
I< I
If compressor turns off for continuously 4 times due to current protection in 5 minutes
from Compressor On, the unit stops and LED displays failure information and can't
returns to normal operation automatically.
8.9 Fan-only mode
Fan speed is high/mid/low/ Auto
8.9 Cooling mode
The 4-way valve is closed at cooling mode.
The action of the compressor and the outdoor fan:
Room temp. up
Room temp. down
Auto fan at cooling mode:
Room temp. up
Room temp. down
Anti-freezing control to indoor evaporator at cooling mode( T: evaporator temp. )
ontrol. When Indoor Fan Speed is too high(higher than High
w(lower than 400RPM), the unit stops and LED displays failure
Indoor fan
RESTORE
<I< I
RESTORE FAN
<I<I
FAN 5MIN
<I< I
5MIN 3SEC
<I< I
5MIN 3SEC
<I<I
FAN 5MIN
<I< I
RESTORE FAN
RESTORE
Condition
T=Indoor Temp.
Ts=Setting Temp.
T> Ts+1
T<Ts+1
T> Ts
T<Ts
Condition
T=Indoor Temp.-Setting Temp.
T<3
3 <T<5
T>5
T> 3
1 <T<3
T<1
Condition
Temp.
Compressor
On On
On On
Low speed On
Off
Off
Off
Off
On On
Low speed On
On On
Compressor
On
Off
On
Off
Compressor
Time
Outdoor fan Remark
On
Off Heating mode
On Cooling mode
Off After 5 Minutes
Off After 3 Seconds
Off After 3 Seconds
Off After 5 Minutes
Off Heating mode
On Cooling mode
On
Outdoor fan
On
Off
On
Off
Indoor fan speed
Low
Med.
High
High
Med.
Low
Outdoor fan