LG AS-W096ERH0 - Portection from Overheating of Power Module; Portection from Overheating of Compressor

Operation
- 35 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
• 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.
• 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.
Portection from overheating of power module
Portection from overheating of compressor
T off °C
T2 °C
Heat Sink Temp.
T1 °C
T on °C
COMP
Freq.
Free OFF FreeFc-1 Fc-1Fc-2 Fc-2
∆T = (T off - T on)
T1 = T on + ∆T
T2 = T on + 2
*
∆T
D-Pipe Temp.
COMP Freq. Free Free
Fh min
OFFFc-1 Fc-1Fc-2 Fc-2
∆T = (T off - T2)/2
T1 = T2 - 2
*
∆T
T3 = T2 + ∆T
T off °C
T2 °C
T3 °C
T1 °C
-13 °C
1 AS-W096ERH0/BH0/VH0 85 95
2 AS-W126ERH0/BH0/VH0 85 95
No. MODEL T on T off
1 AS-W096ERH0/BH0/VH0 100 110
2 AS-W126ERH0/BH0/VH0 100 110
No. MODEL T on T off