Domestic Air Conditioner
course of self-detection, there’s no such limitation)
Sensor detection methods: 100 times (one cycle of procedure run is one time, and about 5ms,
detection method for each time: continuously sampling for 8 times, then order them and take the
mean value of the middle 2 values), take the mean value.
TTC˄ć˅
110 Abnormal stop
Decreasing the frequency rapidly˄1HZ/second˅
100
Decreasing the frequency slowly (1HZ/10seconds)
98
93 The frequency doesn’t change.
Increasing the frequency (1HZ/10second)
90
Increasing the frequency˄1HZ/1second˅
TTC>=110ć lasts for 20 seconds. Overheating protection of air-blowing, alarm malfunction to the
indoor, others don’t last.
5.2.6.2˖TC high temperature-preventing control of the indoor heating unit˖
Tpg_indoor is the highest value of the effective indoor unit (start it and it is in accord with the running
state).
The indoor heat exchanger sensor tests the temperature of the indoor heat exchanger. If the
temperature is higher than 55 , decrease the rotate speed of the compressor and do the highć
temperature-preventing protection of the indoor heat exchanger; if the temperature of the indoor heat
exchanger is lower than 47 , recover to the normal control.ć
TC Thecompressorstops
Fgh_t1ˉ2 Fgh_t1 65ć
N Decreasing the frequency rapidly Fgh_t2 59ć
Fgh_t2ˉ2 P Decreasing the frequency slowly
Fgh_t3 54ć
Fgh_t3ˉ2 Q Prohibiting increasing the frequency
Fgh_t4 51ć
Fgh_t4—2 R Increasing slowly Fgh_t5 47ć
Fgh_t5—2
Normal
N˖Decreasing at the speed of 1HZ/1 second
P˖Decreasing at the speed of 1Hz/10 seconds
Q˖Continue to keep the last-time instruction cycle
R˖Increasing at the speed of 1Hz/10seconds
AS09/12GS2ERA 1U09/12BS1ERA-SM
Function and control
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