Midea 9V SERIES, Service Manual

Page: 34 / 43

32
10min.
Condition 2: The current of compressor is more than I
defrost
continuously more than 7s. The value of
I
defrost
is depending on the exactly machine.
Model I
defrost
(A)
MS9V-07CR-QB6+MS9V-07HR-QB6 3.0
MS9V-09CR-QB6+MS9V-09HR-QB6 3.5
MS9V-12CR-QB6+MS9V-12HR-QB6 5.0
MS9V-18CR-QB + MS9V-18HR-QB6 8.5
Defrosting actions
：
Compresso r
4 way valv e
Outdoor f an
Indoor fan
O n
O ff
On
Off
On
Off
On
O ff
45s
40s
10s
25S
23s
7.5m in Setti ng defro sting time
During the defrosting mode, if the machine stopped or transferred to other mode, the defrosting mode
will stop, and all the defrosting conditions will be cleared.
8.4.3.5 High evaporator coil temp.T2 protection:
Refer the outdoor fan and compressor control rules during high evaporator protection to the following
chart.
While TE7=60
℃ ,TE 8=5
3
℃,TE 9=50℃ for
7k model.