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Operation
Portection from overheating of power module
• If the temperature of the heat sink TH. reaches over Toff, the Compressor stop instantly.
• It will be limited the compressor operating frequency according to the heat sink TH.(refer to below FIG.)
• It will be blink 4 times, when the thermistor is open or short, also the temperature is over Toff.
∆T = (T off - T on)
T1 = T on + ∆T
T2 = T on + 2 * ∆T
T off °C
T2 °C
T1 °C
T on °C
COMP
Free
Fc-1
Freq.
Portection from overheating of compressor
• If the temperature of the discharge pipe of compressor reaches over 130°C or below -30°C the compressor
stop instantly.
• It will be limited the compressor operating frequency according to the compressor dome TH.(Refer to below
Fig.)
• Temperature range by COMP SPEC varies by 10°C.
T off °C
T3 °C
T2 °C
T1 °C
-13 °C
COMP Freq.
Fh min
40 Room Air Conditioner
Fc-2
Fc-1
Fc-2
D-Pipe Temp.
Free
Fc-1
Fc-2
OFF
Heat Sink Temp.
No.
1
2
3
4
5
6
7
8
OFF
Free
∆T = (T off - T2)/2
No.
T1 = T2 - 2 * ∆T
T3 = T2 + ∆T
1
2
3
4
5
6
7
8
Fc-2
Fc-1
Free
MODEL
T on
AS-W0964DH0/GH0
95
AS-W1264DH0/GH0
95
AS-W1865DH0
85
AS-W1224DH0
85
AS-W1424DH0
85
AS-W1825DH0
85
AS-W096E1G0
85
AS-W126E1G0
85
MODEL
T on
AS-W0964DH0/GH0
95
AS-W1264DH0/GH0
95
AS-W1865DH0
98
AS-W1224DH0
95
AS-W1424DH0
95
AS-W1825DH0
98
AS-W096E1G0
100
AS-W126E1G0
100
T off
105
105
95
95
95
95
95
95
T off
105
105
108
105
105
108
110
110
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