Baldor mn722 manual Motor Connections, Contactor, Series 22H

Motor Connections Motor connections are shown in Figure 3-5.

Figure 3-5 Motor Connections

		Baldor
		Series 22H
		Control
	T1	T2	T3
Note 1
	A1	B1	C1
Note 2	*Optional		*
	Load
	Reactor
	A2	B2	C2

Notes:

1.Metal conduit should be used. Connect conduits so the use of Load Reactor or RC Device does not interrupt EMI/RFI shielding.

2.See Line/Load Reactors described previously in this section.

3.Use same gauge wire for Earth ground as for L1, L2 and L3.

Optional components not provided with 22H Control.

Note 1				Note 3
		T2	T3
	T1		G
	* AC Motor			See recommended terminal tightening torques in Section 7.

M-Contactor	If required by local codes or for safety reasons, an M-Contactor (motor circuit contactor)
	may be installed. However, incorrect installation or failure of the M-contactor or wiring
	may damage the control. If an M-Contactor is installed, the control must be disabled for
	at least 20msec before the M-Contactor is opened or the control may be damaged.
	M-Contactor connections are shown in Figure 3-6.
	Figure 3-6 Optional M-Contactor Connections

		T1		T2			T3
	M		M			M
					T2		T3
					T1		G
M=Contacts of optional M-Contactor					* Motor

	* M-Contactor	* Optional
To Power Source		RC Device
(Rated Coil Voltage)		Electrocube
		RG1781-3

*J1

M Enable

7Note: Close “Enable”

8	after “M” contact closure.
9	See recommended terminal

tightening torques in Section 7.

MN722 Receiving & Installation 3-15