Emerson GXT 10KVA user manual Connecting Nfinity to Maintenance Bypass with transformer

Cable Installation

Figure 11 Connecting Nfinity to Maintenance Bypass with transformer

Input 2

Input 1

Flexible

conduit

					120	120
					208
TB2	NFINITY MAINTENANCE BYPASS CABINET				TB6	240
L1		WITH TRANSFORMER			1
L2					2
					3
G	Remove these two				4
TB1	wires for dual source				G
	(see NOTE below)
L1
L2					G
G	TB3		TB4	TB5	G
GEC	L1 L2	G	1 2 3	1 2 3	4
			208	240

L1 L2

TB1

Ensure that both tap selectors are set to the correct input voltage

G 1 2 3

TB2

NFINITY UPS

1 2 3 4 5

TB3

GEC

See Nfinity user manual for details on connecting GEC.

NOTE

1.SINGLE-SOURCEFEED—If feeding the Maintenance Bypass Cabinet from a single source, the input connection may be made to either TB1 or TB2.

2.DUAL-SOURCEFEED—If feeding the Maintenance Bypass Cabinet from a dual source, the UPS input supply connection must be made to TB1 and the bypass input supply connection must be made to TB2. The jumpers between TB1 and TB2 must be removed.

3.If connected equipment is a combination of 208 VAC and 120 VAC, use a three-phase panel board connected to the output terminal TB6.

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