Midea ABSEU-A4-1511 Service Manual page 27

T3
Compressor Off
When high condenser temp. T3 is more than
setting value, the compressor will stop.
During the protection, the outdoor fan keeps
working.
7.4.3 Heating Mode
7.4.3.1 Compressor running rules:
When indoor room temp.T1 is higher than
setting value the compressor and outdoor fan
will shut off.
T1
7.4.3.2 Outdoor fan running rules:
The outdoor units have single fan speed. The
outdoor fan will run following the compressor
except when AC is in evaporator high temp.
protection in heating mode , condenser high
temp. protection in cooling mode ,defrosting
mode and the current protection.
7.4.3.3 Indoor fan running rules:
When the compressor is on, the indoor fan can
Compressor On
Off
On
be set to high/med/low/auto. And the anti-cold
wind function has the priority.
Auto fan action:
T1-TS
Low
The indoor fan speed will adjust according to
the value of T1-T .
S
7.4.3.4 Defrosting mode：
For MSABB-09ARN1-QB8,
MSABB-12ARN1-QB6， MSABD-18ARN1-QB8,
MSABA-07HRN1-QC2, MSABA-09HRN1-QC2,
MSABB-12HRN1-QC2, MSABD-18HRN1-QC2
models:
AC will enter the defrosting mode according to
the value of temp difference between T2 and T1,
and also the compressor running time.
During the defrosting mode, the compressor keep
running, indoor and outdoor motor will stop,
defrost lamp of the indoor unit will be lighted
" ." Will be displayed.
For MSABE-24ARN1-QB8W,
MSABE-24HRN1-QB8W ,
MSABF-36HRN1-RC0W models:
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,
defrost lamp of the indoor unit will be
lighted ." ." Will be displayed.
Medium