Emerson Nfinity 208 - Manual (Page 18)

Installation
14
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.
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.
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.
1
2
3
4
5
Setup 1 - 208 VAC
208
Grounding Electrode Conductor
(Field connection must be made)
L
L
GEC
Max output current = 96A
Connected Equipment
Ground
Connected Equipment
Ground
208
UPS Output TB3 Panel Board Input
Grounding Electrode Conductor
(Field connection must be made)
1
2
3
4
5
L
L
GEC
G
1
2
3
4
5
Setup 2 - 120 VAC
120
N
208 VAC also
available
as shown
connected
in Setup 1
Grounding Electrode Conductor
(Field connection must be made)
Max output current = 83A
each 120 VAC circuit
L
L
GEC
120
Connected Equipment
Ground
Note: L2 to N
is 88 VAC
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).
208 120
UPS Output TB3 Panel Board Input
120
1
2
3
4
5
L2
GEC
N
L1
L3
Grounding Electrode Conductor
(Field connection must be made)
G
1
2
3
4
5
Setup 3 - 240 VAC
240
120 VAC also
available as shown
connected in Setup 2
Grounding Electrode Conductor
(Field connection must be made)
Max output current = 83A
L
L
GEC
Connected Equipment
Ground
240
120
120
UPS Output TB3 Panel Board Input
1
2
3
4
5 GEC
N
L
L
Grounding Electrode Conductor
(Field connection must be made)
G