29
8.8.6
Indoor evaporator high-temperature protection at heating mode
Condition
T= Indoor exchanger temp.
Compressor Outdoor
fan
T<TE8 On
On
TE8<T<TE7 On
Off
Indoor exchanger temp. up
T>TE7 Off
Off
T>TE9 Off
Off
Indoor exchanger temp. down
T<TE9 On
On
8.8.7. The louver opens to Standard Angle ANGLHEAT when power is on for the first time
8.9
Defrosting operation (Available for heating only).
8.9.1
Defrosting condition: Defrosting starts when either of the following
①
&
②
:
①
A and B are satisfied:
A: The compressor keeps running for 40 minutes or more.
B: The temperature difference of evaporator and room temperature meets one of the following:
℃
Temp. of evaporator---room temp.
Fan speed is high
≤
TH
DEFROST
Fan speed is mid
≤
TM
DEFROST
Fan speed is low
≤
TL
DEFROST
Breeze
Meet only if it is Breeze
②
Calculate from the end of latest defrost, evaporator high temp. protection only closes outdoor fan
with the compressor still running. Add up to 90 minutes.
8.9.2 Defrosting time
(a) For defrosting condition
①
leading to frost
——
both condition A and B are satisfied, if B is
satisfied before A, this can be regarded as severe frosting, and the defrosting time is 10 minutes,
or the defrosting time is 7.5 minutes.
(b) For defrosting condition
②
leading to frost, the defrosting time is 10 minutes.
(c) For any case leading to frost, if A/C defrosts for 7.5 minutes three times, the forth defrosting time is
10 minutes.
→
7.5-minute defrost
→
7.5-minute defrost
→
7.5-minute defrost
→
10-minute defrost
→
8.9.3 Ending condition of defrosting
If one of following conditions is satisfied, end the defrost and turn into heating mode:
A. The defrost time has reached to 7.5 or 10 minutes.
B. The compressor current has reached to
I
DEFROST
or above,
I
DEROST
differs in different models.
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