Installation

OUTPUT CABLING

UPS Output Terminal Block (TB3)

Connection to External Panel Boards

208 VAC

If connected equipment operates at 208VAC only, use a single-phase panel board connected to the UPS as follows.

Setup 1 - 208 VAC

Max output current = 96A

Panel Board Input

UPS Output TB3

208

1

L 2

L 3

4

208

1

L 2

L 3

4

Grounding Electrode Conductor (Field connection must be made)

GEC 5

Grounding Electrode Conductor (Field connection must be made)

GEC 5

Connected Equipment

Ground

G

208 VAC and 120 VAC

If connected equipment is a combination of 208 VAC and 120 VAC, use a three-phase panel board connected to the UPS as follows.

Setup 2 - 120 VAC

Max output current = 83A

 

 

 

each 120 VAC circuit

L

 

1

 

 

 

 

120

 

 

 

2

 

 

L

 

3

120

 

 

 

 

 

 

 

 

 

Panel Board Input

 

UPS Output TB3

 

 

 

 

L3

 

1

 

 

 

 

 

120

208

 

L2

 

2

 

 

 

L1

 

3

Note: L2 to N

120

 

 

 

 

 

 

 

 

N

 

4

is 88 VAC

 

 

 

 

 

 

 

 

 

 

 

N

 

4

 

 

 

 

208 VAC also

 

 

GEC

 

5

 

 

 

available

Grounding Electrode Conductor

 

as shown

(Field connection must be made)

Grounding Electrode Conductor (Field connection must be made)

G

GEC 5

connected

in Setup 1

Connected Equipment

Ground

CAUTION: It is important for the installing electrician to clearly identify the connections for future reference. Refer to NEC 215-8 and 210-4(d).

240VAC and/or 120VAC

If connected equipment operates at 240VAC only or 120VAC only or is a combination of both, use a single-phase panel board connected to the UPS as follows.

Setup 3 - 240 VAC

Max output current = 83A

240

 

L

 

1

 

 

 

 

2

120 VAC also

 

L

 

3

 

 

 

 

available as shown

 

4

connected in Setup 2

 

Panel Board Input UPS Output TB3

 

 

 

 

L

 

1

 

 

 

 

 

120

240

 

 

2

120

 

 

L

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

4

 

 

 

 

 

 

 

 

 

 

Grounding Electrode Conductor (Field connection must be made)

GEC 5

 

 

 

 

5

Grounding Electrode Conductor GEC

 

 

 

(Field connection must be made)

Connected Equipment

Ground

G

14

Page 18
Image 18
Emerson user manual Setup 1 208 VAC, VAC and 120 VAC, Setup 2 120 VAC, 240VAC and/or 120VAC, Setup 3 240 VAC