Midea Aurora MSABDU-18HRDN1-QRC8GW - Operation Modes and Functions

8.4 Operation Modes and Functions
8.4.1 Fan mode
(1) Outdoor fan and compressor stop.
(2) Temperature setting function is disabled,
and no setting temperature is displayed.
(3) Indoor fan can be set to
high/med/low/auto.
(4) The louver operates same as in cooling
mode.
(5) Auto fan:
a
b
c
d
5.0
4.0
2.5
1.0
6.0
T1-24
e
H
(H-L)*0.75+L
(H-L)*0.5+L
(H-L)*0.25+L
L
8.4.2 Cooling Mode
8.4.2.1 Outdoor fan running rules
T4
A+ DC_FAN_SUP_SPD_ADD
A DC_FAN_HI_SPD_ADD
B DC_FAN_MID_SPD_ADD
C DC_FAN_MIN_SPD_ADD
D DC_FAN_SLOW_SPD_ADD
E DC_FAN_SSLOW_SPD_ADD
19℃
17℃
26℃
25℃
23℃
22℃
20℃
45℃
43℃
28℃
8.4.2.2 Indoor fan running rules
In cooling mode, indoor fan runs all the time
and the speed can be selected as high,
medium, low and auto.
The indoor fan is controlled as below:
Setting fan
speed
Actual fan speed
H+(H+=H+G)
A H（=H）
B
C
M+(M+=M+Z)
D M(M=M)
E
F
L+(L+=L+D)
G L(L=L)
H
I
T1-Td ℃(°F)
L
L-(L-=L-D)
H
H-（H-=H-G)
M
M-(M-=M-Z)
4.5
3.0
1.5
4.5
3.0
1.5
4.5
3.0
1.5
The auto fan acts as below rules:
a
b
c
d
5.0
4.0
2.5
1.0
6.0
T1-Td
e
H
(H-L)*0.75+L
(H-L)*0.5+L
(H-L)*0.25+L
L
8.4.2.3 Condenser temperature protection
TP3+5
T3
Resume
Off
Decrease
TP3
TP3-3
Hold
---TP3<T3< TP3+5, the compressor frequency
will decrease to the lower level until to F1 and
then runs at F1.If TP3-3<T3< TP3, the
compressor will keep running at the current
frequency.
---T3< TP3-3, the compressor will not limit the
frequency and resume to the former frequency.
---T3> TP3+5 for 5 seconds, the compressor
will stop until T3< TP3-3.
8.4.2.4 Evaporator temperature protection
---T2<0℃, the compressor will stop and restart
when T2≥5℃.
---0℃≤T2<4℃, the compressor frequency will
be limited and decreased to the lower level until