LG Multi V 5, Service Manual

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48
MUL
TI V 5 Outdoor Unit Service Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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PROTECTION CONTROL
Pressure Protection Control
Pressure Protection Control
Pressure Control in Cooling Mode
Pressure Range Compressor Fan
3G•SVL Stop Stop
Pd > 547.5 psi -15 Hz / 10 seconds 530VHFRQGV
3G•SVL Frequency Hold* 530VHFRQGV
3G•SVL +]RUOHVVVHFRQGV 530VHFRQGV
Pd < 504.7 psi Normal Control
Table 12: High Pressure Control in Cooling Mode.
* Frequency Hold = Frequency (or RPM) is not increasing (can decrease).
Table 13: Low Pressure Control in Cooling Mode.
Pressure Range Compressor Fan
3V”SVL Stop (one [1]) minute later) Stop
3V”SVL -15 Hz / 10 seconds -100 RPM / 10 seconds
Ps > 21.8 psi Frequency Hold* -100 RPM / 10 seconds
Ps > 23.2 psi +]RUOHVVVHFRQGV -100 RPM / 10 seconds
Ps > 27.6 psi +]RUOHVVVHFRQGV -100 RPM / 10 seconds
Ps > 31.9 psi Normal Control
* Frequency Hold = Frequency (or RPM) is not increasing (can decrease).
Pressure Control in Heating Mode
Pressure Range Compressor Fan
3G•SVL Stop Stop
Pd > 495.3 psi -15 Hz / 10 seconds -50 RPM / 10 seconds
Table 14: High Pressure Control in Heating Mode.
Table 15: Low Pressure Control in Heating Mode.
Pressure Range Compressor Fan
3V”SVL Stop Stop
3V”SVL -15 Hz / 10 seconds 530VHFRQGV
3V”SVL Frequency Hold* 530VHFRQGV
3V”SVL +]RUOHVVVHFRQGV 530VHFRQGV
3V•SVL Normal Control Normal Control
* Frequency Hold = Frequency (or RPM) is not increasing (can decrease).