19
August 2017
Installation and Maintenance Manual
E2K-402-0817 Rev. 2
M2CP Wiring Diagram Symbols
Figure 25 Reversing Contactor
Mechanical
Interlock
R5
10
R2
9
C
ZR4C2 R6
O
22 21
C
R4
22 21
ZR3C1
R5
Showing Open and Close coils, Mechanical Interlock, and Electrical Interlock Contacts O
(21, 22) & C (21, 22)
Figure 26 Nuisance Trip
C2
TO1
To prevent (TSO) contact tripping when valve has been jammed closed - LSC contact allows
valve to open slightly. Contact then open, ensuring torque protection for remaining travel
Figure 27 Circuit Breaker
21L1
43L2
65L3
Figure 28 Selector Switch N.C. & N.O. Double Break
Local
OFF
Remote
(hand) (auto)
D
S1
CS2
15
S3
14
S5
16
S6
17
18
S7
19
S4
Section 6: M2CP Wiring Diagram Symbols
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