Functions and control
20
Domestic air conditioner
the compressor decreases at the speed of 0.1HZ/second.
During the starting process of the compressor, if the AC current is greater than 7.5A, the frequency of
the compressor increases at the prohibited speed.
During the starting process of the compressor, if the AC current is greater than 6.5A, the frequency of
the compressor increases at the speed of no faster than 0.1HZ/second.
Remarks: when the outdoor temperature is high, there’s compensation for AC current protection.
(1) When the outdoor environment temperature is higher than 40 , AC current protection value
decreases by 2A/1A(09K/12K).
(2) When the outdoor environment temperature is higher than 50 , AC current protection value
decreases by 3A/2A(09K/12K).
7.1.5.5 Anti-freezing protection of the indoor heat exchanger
When refrigerating/heating, prevent freezing.
Tpg_indoor is the minimum value of the effective indoor unit (start it and it is in accord with the running
state).
11 //ice5
ice3 10
Increasing slowly
8 //ice2
Keeping the frequency
ice_temp_3 8
7
ice_temp_2 6
Decreasing slowly
ice_temp_1 4
Decreasing rapidly ice_temp_1
2
Stop
When Tpg_indoor ice_temp_1, the frequency of the compressor decreases at the speed of
1HZ/1second.
When Tpg_indoor ice_temp_2, the frequency of the compressor decreases at the speed of
1HZ/10seconds.
When Tpg_indoor begins to rise again, and ice_temp_2 Tpg_indoor ice_temp_3, the frequency
of the compressor doesn’t change.
When ice_temp_3 Tpg_indoor ice3 , the frequency of the compressor increases at the
speed of 1HZ/10seconds.
For example, Tpg_indoor 0
last for 2 minutes, and then the outdoor unit will stop, and report
underload malfunction, but don’t send malfunction report to the indoor.
The compressor stops for more than 3 minutes, Tpg_indoor> ice2 , the compressor
recovers.
7.1.5.6 The frequency limitation of modification rate
In the field which is controlled by high frequency, if the modification rate is not high enough, the
control-driven chip will enter into weak magnetic control, this will help to relieve the problem of
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 149: ...Removal Procedure 4 Removal of fan motor brcked and partition RPHVWLF LU RQGLWLR...
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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...
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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 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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