Midea MSH-07CRN1, MSH-07HRN1, MSH-09CRN1, MSH-09HRN1, MSH-12CRN1, MSH-12HRN1 Manual page 265

8.7 Dehumidifying mode
8.7.1 The 4-way valve is off at dehumidifying mode
8.7.2 Compressor and Indoor Fan actions in dehumidifying mode
NO
1
2
3
Repeat on and off cycle.
8.7.3 Low room temperature protection:, When room temperature decreases to below 10 ,
compressor and outdoor fan will stop(indoor fan is Breeze). Dehumidifying operation will
be resumed when room temperature restores to over 13 .
8.7.4 At dehumidifying mode, the anti-freezing function of the indoor heat exchanger is the
same as that of cooling mode.
8.8 Heating mode
8.8.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting
mode. 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.
8.8.2 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.
8.8.3 Action of compressor 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
8.8.4 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 function prevails.
Conditions Indoor Fan
TA ≥ TS+2
TS ≤TA TS+2
TA TS
Condition
T> Ts+3
T<Ts+3
T< Ts+2
T>Ts+2
Compressor and Outdoor Fan
LOW ON 6 minutes
BREEZE OFF 4minutes
LOW ON 5minutes
BREEZE OFF 5minutes
LOW ON 4minutes
BREEZE OFF 6minutes
Compressor
Off
On
On
Off
23
Outdoor fan
Off
On
On
Off