Functions and control
When refrigerating, it is needed to satisfy
F-MIN-d(compressor’s Min_hz)< F<F-MAX-d(compressor’s Max_hz)
When heating, it is needed to satisfy
F-MIN-r (compressor’s Min_hz)< F<F-MAX-r (compressor’s Max_hz)
PID control :
The innital frequency Sn is determined by Pn . We can calculate Hzoutf according to the value of
Kp ,Ki ,Kd, Out_gain,Pn.Then , Fn = Sn + Hzoutf. The value of Fn is calculated in each sample time (60
seconds),and Fn is adujusted
●
according to
previous frequency of Sn and filtered output of Hzoutf.
7.1.2 The outdoor fan control (Exchange fan)
When the fan is
●
changed among every airflow speed (including stop blowing), in order to avoid the
airflow speed from skipping frequently, it must be kept under each mode for over 30 seconds, and then
●
it can be changed to another mode (when refrigerating, the time is changed to 15 seconds).
7.1.2.1 The outdoor DC fan control
Within three minutes of compressor starting, the compressor is controled according to the ambient
temperature.
Tao
(℃)
Tao <22
℃
22
℃
< Tao <29
℃
Tao
≥
29
℃
Refrigeration/dehumidification
500rpm
600rpm
700rpm
Tao
(℃)
Tao <<10
℃
10
℃
< Tao <16
℃
Tao
≥
16
℃
Heating
800rpm
760rpm
400rpm
After 3 minutes, the compressor is controled according to the ambient temperature and the frequency
of the compressor.
Refrigeration/dehumidification
<51 Hz
51-70 Hz
≥
70 Hz
frequency
(
Hz
)
≤
22
500rpm
600rpm
700rpm
22
22-
29
500rpm
600rpm
760rpm
Tao
(℃)
29-38
600rpm
700rpm
800rpm
≥
38
800rpm
Heating frequency
(
Hz
)
<51 Hz
51-90 Hz
≥
90 Hz
≤
10
760rpm
850rpm
950rpm
Tao
(℃)
10
●
-17
400rpm
760rpm
800rpm
≥
17
400rpm
16
Domestic air conditioner
Содержание AS25THMHRA-C
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Страница 79: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Страница 82: ...7 Domestic Air Conditioner Removal Procedure Lift up the exchanger and remove it Lift up the exchanger 1 2...
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Страница 144: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...
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Страница 147: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...
Страница 148: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...
Страница 149: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
Страница 150: ...Removal Procedure 7 Domestic Air Condition...
Страница 151: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...
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Страница 203: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3...
Страница 206: ...2 7 Domestic Air Conditioner Removal Procedure Lift up the exchanger and remove it 1...
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Страница 268: ...Removal Procedure 1 Removal of Outdoor panel RPHVWLF LU RQGLWLR...
Страница 269: ...Removal Procedure 2 Domestic Air Condition...
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Страница 271: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR...
Страница 272: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR...
Страница 273: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
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Страница 275: ...Removal Procedure 5 Removal of compressor and heat exchanger RPHVWLF LU RQGLWLR...
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Страница 291: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
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Страница 401: ...3 Domestic air conditioner s t n i o P e r u d e c o r P p e t S Remove the fixting screws then lift the electrical box...
Страница 407: ...9 Domestic air conditioner s t n i o P e r u d e c o r P p e t S Remove the fixing screw then lift the valve set...
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Страница 422: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1...
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