Midea M5OF-48HFN1-M - Outdoor Fan Control; Cooling Mode

20
4) If the compressor cumulative running time
reaches 120 minutes and T3<-15℃.
Defrost Stop Conditions
If any one of the following conditions is satisfied,
defrosting ends and the unit returns to normal
heating mode:
----T3 rises above than TCDE1℃.
----T3 remains at TCDE2℃ or above for 80
seconds.
----The machine runs for 10 consecutive minutes
in defrosting mode.
Defrosting Action：
o ff
on
C o o l -F9
10S
30S
T im e A
10S
4 -w a y v a lv e
d e f r o st i n g
D e fr o s t in g o v e r
c o m p r e ss o r
In d o o r fa n
O u td o o r fa n
E X V o p e n
fre q u e n c y
M a x 10 m i n u te s
fre q u e n c y
C o m p r e ss o r s t o p s
o ff
A n ti -c o ld c o n t r o l
o ff
480P
480P f o r 2 4 0s
Condition of ending defrosting:
If any one of following items is satisfied,
defrosting will stop and the machine will turn to
normal heating mode.
① T3 > TempQuitDefrost_ADD ℃;.
② The defrosting time achieves 10min.
③ Turn to other modes or off.
5.4.3 Outdoor Fan Control
5.4.3.1 Cooling Mode
Under normal operating conditions, the system
chooses the running fan speed according to the
ambient temperature:
O utdoor temperature
℃
45
43
S upper high fan speed
28
26 High fan speed
25
23
M iddle fan speed
22
20
L ow fan speed
19
17
S upper low fan speed
10
9
B reeze fan speed
0
-1 F fan speed
-5
-6
G fan speed
-10
-11
H fan speed
I fan speed
When low ambient cooling is in effect::
Outdoor fan speed control logic (low ambient
cooling)
When T4 <15 ℃ (59 ℉) and T3 < 30 ℃ (86 ℉),
the unit enters into low ambient cooling mode.
The outdoor fan chooses a speed according to T3.
When T3≥38 ℃ (100.4 ℉) or when T4≥20 ℃
(68 ℉ ), the outdoor fan chooses a speed
according to T4 again.
38
E x it lo w a m b ie n t c o o lin g
m o d e , r u n w ith h ig h fa n
fo r 1 m in u te
Low
30
27
23
o ff