Checking Converter Dc Link Voltage In Case Of Compressor Operating - LG Multi V5 Service Manual

CHECKING CONVERTER DC LINK
VOLTAGE IN CASE OF COMPRESSOR OPERATING
Please refer to the Safety Precautions on pages 4-7 for more detail to prevent injury or death regarding the operation and service
WARNING
troubleshooting of the Multi V product.
Figure 83: Checking Converter DC Link Voltage.
One Compressor
P
Table 92: Converter DC Link Voltage Measurements.
Check
3-Phase / 3-Wire / 220V
DC Link
Voltage
3-Phase / 3-Wire / 460V
212
Two Compressors
N
Multi-Meter
Mode
Black Red
N
DC
N
Due to our policy of continuous product innovation, some specifications may change without notification.
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P
N
Measured Value
Normal Abnormal
P 310V±20%
P 650V±20%
Figure 84: Multi-Meter (Note the
Probe Color).
Red
Black