Liebert Series 600 manual Wiring Inspection

9.0WIRING INSPECTION

ìï 9HULI\ýDOOýSRZHUýFRQQHFWLRQVýDUHýWLJKWï

ëï 9HULI\ýDOOýFRQWUROýZLUHýWHUPLQDWLRQVýDUHýWLJKWï

êï 9HULI\ýDOOýSRZHUýZLUHVýDQGýFRQQHFWLRQVýKDYHýSURSHUýVSDFLQJýEHWZHHQýH[SRVHGýVXUIDFHVñýSKDVHð WRðSKDVHýDQGýSKDVHðWRðJURXQGï

éï 9HULI\ýWKDWýDOOýFRQWUROýZLUHVýDUHýUXQýLQýLQGLYLGXDOñýVHSDUDWHñýVWHHOýFRQGXLWï

ý
Table 1	Power Wiring Terminals - Factory Supplied
			Connection Type
UPS Module Rating
	kVA	AC Input	AC Output	Battery	Neutral	Ground
338 - 1000		Lugs on circuit breakers, or bus		Bus bars for connecting hardware (1/2” on 1-3/4”
		bars (for field supplied lugs).		centers) are provided. A field supplied lug is
		Refer to installation drawings.		required.
Use 75ƒC copper wire. Select wire size based on the ampacities in Table 310-16(see Table 3 of this manual)
and associated notes of the National Electrical Code (NFPA 70).
Use commercially available solderless lugs for the wire size required for your application. Connect wire to the
lug using tool and procedure specified by the lug manufacturer.

Table 2	Torque Specifications
Nut and Bolt Combinations
		Grade 2			Electrical Connections
		Standard			with Belleville Washers
	Bolt Shaft Size	Lb-in		N-m	Lb-in	N-m
	1/4	53		6.0	46	5.2
	5/16	107		12	60	6.8
	3/8	192		22	95	11
	1/2	428		48	256	29
Circuit Breakers With Compression Lugs (For Power Wiring)
	Current Rating	Lb-in		N-m
	400 - 1200 Amps	300		34
Terminal Block Compression Lugs (For Control Wiring)
AWG Wire Size or Range		Lb-in		N-m
	#22 - #14	3.5 to 5.3	0.4 to 0.6

Use the values in this table unless the equipment is labeled with a different torque value.

Wiring Inspection 19