Panasonic NR-BW464VS - Compressor Locked Protection

NR-BW414 / NR-BW464
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4.2 Protection for compressor locked
1
• After starting 2 sec., does IC detect rpm <5r/sec>?
• After starting from 2 ~ 10 sec., does PCB detect
rpm over 120r/sec?
2
IC orders to stop compressor for 10 min.
3
IC cancels to stop compressor after 10 min.
4
After restarting, does “Stop compressor” occure 10
times within 2 min?
5
IC cancels to stop compressor. Normal operating.
7
Does system protection cycle for 333 times?
8
IC orders to stop compressor completely.
YES
NO
YES
SYSTEM PROTECT CONTROL CYCLE
1
st
time
OPERATE each 7min X 10 times
COMPRESSOR 1hour STOP OPERATE each 7min X 10 times
SYSTEM PROTECT CONTROL CYCLE
333
rd
time
STOP COMPRESSOR
NO
YES
NO
• Normal operating.
• IC continues to stop compressor until 1 hour.
• IC indicates Self diagnosing sign.
6
After 1 hour.