Midea MSH-07CRN1, MSH-07HRN1, MSH-09CRN1, MSH-09HRN1, MSH-12CRN1, MSH-12HRN1 Manual page 294

10.5.5 Current protection
Current up
Current down
11.5.6 Rated capacity test
Set mode to cooling mode
Set temp. to 17°C
Set fan speed to high speed
Push turbo button 5 times in 10 seconds.
Using special remoter controller
After 5 hours, cancel rated capacity test
Turbo function
Increasing frequency of compressor
After operating 30 minutes, return automatically to the mode and temp. previously selected.
10.6. Dehumidifying mode
10.6.1. The 4-way valve is off
10.6.2. the indoor fan is fixed in breeze speed
10.6.3. Compressor run in low frequency
10.6.4. Low room temperature protection:
When room temperature decreases to below 10¡ æ , compressor and outdoor fan will stop(indoor fan
is Breeze). Dehumidifying operation will be resumed when room temperature restores to over 12¡ æ .
10.6.5. At dehumidifying mode, the anti-freezing function of the indoor heat exchanger is the same as that of
cooling mode.
10.7. Heating mode
10.7.1. Generally, the 4-way valve is open at heating mode, but it is closed at defrosting. 4-way valve must
delay 2 minutes compared with compressor if the compressor changed into non-heating mode or
turned off. 4-way valve doesn't delay in dehumidifying mode.
10.7.2. Generally, the outdoor fan is turned off with the on-off action of compressor in heating mode, except
for the defrosting mode or the end of defrost.
10.7.3. Action of compressor and outdoor fan motor at heating mode: compressor must run for 7 minutes
after starting and then judge temperature. Meanwhile other protections are still valid.
Room temp. up
Room temp. down
10.7.4. Indoor Fan actions at heating mode
Indoor Fan can be set at HIGH/MID/LOW/AUTO by using a remote controller, but Anti-cold wind
Model Current
MSH-12HRDN1 I>12 A
10.5A<I<12A
I< 10.5A
MSH-09HRDN1 I>11.5 A
8.5A<I<11.5A
I< 8.5A
Condition
T> Ts+3
T<Ts+3
T< Ts+2
T>Ts+2
Compressor
Off
Decrease frequency of compressor
On
Off
Decrease frequency of compressor
On
Compressor Outdoor fan
Off Off
On On
On On
Off Off
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