20
August 2017
Installation and Maintenance Manual
E2K-401-0817 Rev. 1
Wiring Diagram Symbols for MCP
Figure 23 Pushbuttons N.O.
OPEN
5
8
Cs
Os
6
7
CLOSE
Momentary N.O. Contact connects control voltage to reversing contactor coils.
Seal-in contacts Cs and Os on contactor allow actuator to go to extremes of travel without
continued holding down of button.
Figure 24 Pushbuttons N.C.
STOP
Momentary N.C. Contact
Figure 25 Terminal Points
X1
Factory wired by EIM
Figure 26 Circuit Plug & Receptacle
Figure 27 Space heater
SPACE
HEATER
Heater in Switch Compartment is standard
Figure 28 Phase Sentry
Contact made only when Power Voltage phase is proper to L1, L2, & L3. Damage to valve is
prevented if Voltage is improperly eld connected.
Section 7: Wiring Diargram Symbols for MCP
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