LG R410A - Protection Control Mechanisms

Service Manual 97
Function
3.1 Pressure protection control
3.1.1 Pressure control on cooling mode
■ High pressure control
■ Low pressure control
3. Protection control
StopStopPd ≥ 3513 kPa
Normal controlFrequency holdingPd ≥ 3186 kPa
+10Hz/2sec.-5Hz/2sec.Pd > 3382 kPa
Hot gasFanCompressorPressure Range
Frequency
holding
Normal controlPs
≤ 216 kPa
OffNormal control
Ps ≥ 373 kPa
On
-10Hz/2sec.-5 Hz/2sec.
Ps ≤ 203 kPa
before
1min
StopStop
Ps ≤ 203 kPa
after 1min
Hot gasFanCompressor
Pressure Range