4. Refer to the circuit in Figure 14-5. What is the purpose of control relay CR in this circuit?

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4. Refer to the circuit in Figure 14-5. What is the
purpose of control relay CR in this circuit?
ncide diameter of
Transcribed Image Text:4. Refer to the circuit in Figure 14-5. What is the purpose of control relay CR in this circuit? ncide diameter of
L1
L2 L3
1M
PUMP
1.
1M
1M
2M
PUMP
2M
2
2M
CONTROL TRANSFORMER
OFF
ON
OL
FS2
FS1
1M
1M
OL
FS3
2M
BUZZER
2M
FS4
CR
WARNING LIGHT
RESET
CR
CR
గర
Transcribed Image Text:L1 L2 L3 1M PUMP 1. 1M 1M 2M PUMP 2M 2 2M CONTROL TRANSFORMER OFF ON OL FS2 FS1 1M 1M OL FS3 2M BUZZER 2M FS4 CR WARNING LIGHT RESET CR CR గర
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