AUX ASW-09A4/E Series, Service Manual

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8.Function Exposition
The remaining-heat expelling function when the air-condition is powered off
when TE>35 C, the indoor fan motor will run at slight speed;
when TE<35 C, the indoor fan motor will be off, and it will keep expelling the remaining heat
for no more than 10 seconds, during which the indoor fan motor will stop running immediately
if TE<35 C.
a).heating mode
when TE >57 C for 10s,the outdoor fan motor will be off;
when TE>64 C for 10s,the compressor will be off;
when TE<52 C and after the duration of 3-minute protection, it will return to normal.
b).the temperature protection is only available when the TE sensor works well.
10. Over-heat Protection
a).At heating mode, this function can only available if the following conditions are satisfied:
(1)TE<48 C
(2)TA<22 C
(3)TS-TA>3 C
4.The compressor keeps running at heating mode foe 4 minutes.
b).It will quit the function if one of the following conditions is satisfied:
(1)TA>22 C
(2)S-TA<2 C
(3)TE>52 C
c)Either compressor or indoor fan motor does not work, it will quit the function automatically.
d)It will quit the function when shifting modes or cutting off the power.
e)If the function is quitted while the compressor is running, it can only be restarted after 1
minute.
8-8 The accessorial electric heater function
8-9 Intelligent defrost function
a).This function can only be available if all the following conditions are satisfied.
2.1)When the heating mode lasts for 5 minutes or 5 minutes after the defrosting, try to capture
the maximum difference between TE and TA. The difference should be more than 5C and last
for at least 3 minutes;
2)the compressor keeps running continuously for at least 5 minutes;
3)the compressor runs totally for at least 45 minutes;
4)TE<48 C
When defrosting, the sleep indicator will keep glinting:
1.1)the outdoor fan motor is in over-heat protection and stops running;
2
the outdoor fan motor is restarted to work for at least 10 minutes;
3) the compressor keeps running totally over 45 minutes;
4)the compressor keeps running continuously for at least 20 minutes;
5)TE<48 C
Remark: if fan speed modification is applied, the temperature will be modified down
for -1 C when the indoor fan motor lowers a grade; and up for 1 C when it rises a grade.