APC PM4 user manual 1875

8. Use an AC voltmeter to check all voltages to ensure that the proper unit type has been installed for the service rat-
ing being protected.		1(875	$/
￿￿￿￿￿￿0RXQWLQJ	$			0RXQWLQJ
+ROH￿￿￿￿SODFHV￿				)ODQJH￿￿￿￿SODFHV￿
				'RRU￿/DWFK
				￿￿￿SODFHV￿
				1HXWUDO
				&RQQHFWRU
*URXQG		*5281'		6XUJH￿0RGXOH
&RQQHFWRU				￿ZLWKRXW￿/('￿
3KDVH￿$				6XUJH￿0RGXOH￿ZLWK
3KDVH￿%	%			/('￿￿￿￿SODFHV￿
3KDVH￿&
&RQQHFWRUV	3+$6(￿&			5HWDLQLQJ
				6FUHZ￿￿￿￿SODFHV￿

)XVH

￿￿￿SODFHV￿

Not to exact scale. Door remove for clarity.

Phase A

Phase B

Neutral

Ground

Phase C

)LJXUH￿￿￿￿%DVLF￿30￿￿DQG￿30￿￿&RQILJXUDWLRQ￿DQG￿:LULQJ￿'LDJUDP

￿￿￿3KDVH￿:<(￿￿￿￿:LUH￿￿SOXV￿*URXQG￿

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