Midea MCA3U-09HRFN1-M(C) User Manual

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16.3.8 Condenser high temperature T3
protection
---55°C(131°F)<T3<60°C(140°F), the
compressor frequency will decrease to the
lower level until to F1 and then runs at F1.If
T3<54°C(129.2°F), the compressor will keep
running at the current frequency.
---T3<52°C(125.6°F), the compressor will not
limit the frequency and resume to the former
frequency.
---T3>60°C(140°F) for 5 seconds, the
compressor will stop until T3<52°C(125.6°F).
16.3.9 Evaporator low temperature T2
protection
---T2<0°C(32°F), the compressor will stop and
restart when T2≧5°C(41°F).
---0°C(32°F)≦T2<4°C(39.2°F), the compressor
frequency will be limited and decreased to the
lower level
---4°C(39.2°F)≤T2≤7°C(44.6°F), the
compressor will keep the current frequency.
---T2>7°C(44.6°F), the compressor frequency
will not be limited.
16.4 Operation Modes and Functions
16.4.1 Fan mode
(1) Outdoor fan and compressor stop.
(2) Temperature control is disabled and no
temperature setting is displayed.
(3) Indoor fan can be set to 1%~100%, or low,
medium, high and auto.
(4) The louver operates same as in cooling
mode.
(5) Auto fan:
In fan-only mode, AC operates the same as
auto fan in cooling mode with the temperature
set at 24°C.
16.4.2 Cooling Mode
16.4.2.1 Outdoor fan running rules
T4
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
28℃(82.4°F)
19℃(66.2°F)
17℃(62.6°F)
26℃(78.8°F)
25℃(77°F)
23℃(73.4°F)
22℃(71.6°F)
20℃(69°F)
16.4.2.2 Indoor fan running rules
In cooling mode, indoor fan runs all the time
and the speed can be selected as 1%~100%,
or low, medium, high 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(8.1)
3.0(5.4)
1.5(2.7)
4.5(8.1)
3.0(5.4)
1.5(2.7)
4.5(8.1)
3.0(5.4)
1.5(2.7)
Auto fan in cooling mode acts as follow:
For MCD1-24HRFN1-MT0W(GA)
T1-Tsc
100%
80%
60%
40%
20%
0°C (0°F )
0.5°C (0.9°F )
1.0°C (1.8°F )
1.5°C (2.7°F )
3.5°C (6.3°F )
4.0°C (7.2°F )
1%
-0.5°C (-0.9°F )
Turbo
High
Medium
Low
Silence

Midea MCA3U-09HRFN1-M(C) Specifications

General

Brand	Midea
Model	MCA3U-09HRFN1-M(C)
Category	Air Conditioner
Language	English