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5.2 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.?
• Normal operating.
• IC continues to stop compressor until 1 hour.
• IC indicates Self Diagnosing sign.
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?
6
After 1 hour.
8
IC order to stop compressor completely.
YES
YES
SYSTEM PROTECT CONTROL CYCLE
1st time
SYSTEM PROTECT CONTROL CYCLE
333rd time
STOP COMPRESSOR
OPERATE each 7min X 10 times COMPRESSOR 1hour STOP OPERATE each 7min X 10 times
NO
NO
NO
YES
NR-CY54AG_CY557G.indd 8NR-CY54AG_CY557G.indd 8 6/27/2559 BE 4:44 PM6/27/2559 BE 4:44 PM
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