NR-BW415 / NR-BW465
5.2 Protection for compressor locked
• After starting 2 sec., does IC detect
rpm < 5r/sec.?
1
• 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.
After restarting, does "Stop compressor"
4
occure 10 times within 2 min.?
IC cancels to stop compressor.
5
Normal operating?
7
Does system protection cycle for 333 times?
8
IC order to stop compressor completely.
SYSTEM PROTECT CONTROL CYCLE
OPERATE each 7min X 10 times
YES
NO
YES
1st time
COMPRESSOR 1hour STOP
NO
•
Normal operating.
•
IC continues to stop compressor until 1 hour.
YES
• IC indicates Self Diagnosing sign.
6
After 1 hour.
NO
SYSTEM PROTECT CONTROL CYCLE
333rd time
OPERATE each 7min X 10 times
- 9 -
STOP COMPRESSOR