Siemens MCC-3298 user manual External trips Enable/disable phase unbalance, Capability

3 Operating the SAMMS-LV Device

Function	Function Description	Range		Step Size
Number
F0	Select ambient temperature.	0 - 70º C		5º C
F1	Display (or change for SAMMS-LVE)	0 - 9999		1
	the control circuit number,
	Enable/disable incomplete sequence
	status.
F2	Display the size for single-speed	1A, 1B, 1C, 2A, 2B, 3,		As shown
	controller, or the high-speed size for	4, 5, 6
	two-speed motor controllers.
F3	Display the low-speed size for	1A, 1B, 1C, 2A, 2B, 3,		As shown
	two-speed controller. F3 is OFF for	4, 5, 6, OFF
	single-speed motor controllers.
F4	Select the full-load current setting (IFLC )	1A:	0.3 - 1.5A	0.1A
	for the size for single-speed motor	1B:	1.2 - 6A	0.1A
	controller or the high-speed size for	1C:	4.8 - 24A	0.1A
	two-speed motor controllers.	2A:	10 - 36A	1A
		2B:	10 - 45A	1A
		3:	20 - 90A	1A
		4:	40 - 135A	1A
		5:	80 - 270A	1A
		6:	160 - 540A	2A
F4A	Display the primary current if 5A	Function of size in F2		Function of size in F2
	secondary CT's are used.
F5	Select the full-load current setting (IFLC )	1A:	0.3 - 1.5A	0.1A
	for the low-speed size for two-speed	1B:	1.2 - 6A	0.1A
	motor controllers. F5 is OFF for single	1C:	4.8 - 24A	0.1A
	speed motor controllers.	2A:	10 - 36A	1A
		2B:	10 - 45A	1A
		3:	20 - 90A	1A
		4:	40 - 135A	1A
		5:	80 - 270A	1A
		6:	160 - 540A	2A
F5A	Display the primary current if 5A	Function of size in F3		Function of size in F3
	secondary CT's are used.
F6	Select the service factor.	1 or 1.15		N/A
F7	Select the overload trip class.	2-23		1
F8	Enable/disable autoreset of overload	ON/OFF		N/A
	and external trips.
F9	Enable/disable phase unbalance	ON/OFF		N/A
	protection.
F10	Display the time to wait until the motor	Real Time Value		1s
	can be restarted. Applies after an
	overload trip with the winding or
	housing temperature above the
	maximum allowed for restarting.
F11	Enable/disable the emergency restart	ON/OFF		N/A
	capability.

Table 3.8 Motor control and protection functions (page 1 of 3)

Default Value

40º C

N/A

N/A

N/A

0.3A

1.2A

4.8A

10A

10A

20A

40A

80A

160A

OFF (denotes SAMMS sensors in use)

0.3A

1.2A

4.8A

10A

10A

20A

40A

80A

160A

OFF (denotes SAMMS sensors in use)

1.15

10 OFF

ON

N/A

OFF

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