Tripp Lite SU10KRT3U Owner's Manual for SmartOnline Single-Phase 10kVA UPS 932 - Page 8

Connection

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Connection Wiring Warnings (Also read "Important Safety Instructions" at beginning of this document.) • Observe all applicable wiring and safety regulations, such as National Electrical Code (NEC) in the U.S., at all times. • Install an easily accessible disconnect switch in the installation wiring to cut off the UPS system's AC input during fires and other emergencies. • Fit cables with cable sleeves and secure them with connector clamps. • Tighten connections with a torque of 24-28 in-lb (2.7-3.2 N·m). • Make sure that all equipment is properly grounded. • Using cables of improper size may damage equipment and cause fire hazards. Choose appropriate cabling and protection circuits to make wiring connections. Ground conductors must be the same size and type as the power conductors. Recommended Cable and Protection Circuit Size INPUT CURRENT 200 - 240V (1Ø, 2-Wire + Ground) 56A - 6 AWG (16 mm2) OUTPUT CURRENT 200 - 240V (1Ø, 2-Wire + Ground) 50A - 6 AWG (16 mm2) OUTPUT CURRENT 120V (1Ø, 2-Wire + Ground) 2 x 50A - 6 AWG (16 mm2) OUTPUT PROTECTION CIRCUIT 63A Recommended Tools: Phillips Screwdriver, Needle-Nose Pliers Connect Transformer to PDU 1 Remove the junction box A covering the transformer's terminals. 2 The PDU B includes a preinstalled wiring harness C . Remove the junction box knockout second from the right D , remove the plastic nut from the end of the wiring harness, insert the end of the wiring harness through the knockout, insert the end of the wiring harness through the plastic nut E and tighten the nut to secure the end of the wiring harness to the junction box. 3 Use a screwdriver to secure the wires at the end of the wiring harness C to the corresponding terminals F on the transformer. The wires and terminals are labeled 1 through 6 for easy identification. Note: Using needle-nose pliers to manipulate the wires may ease installation. Corresponding Terminals Between Detachable PDU and Transformer Wiring Harness Label Transformer Terminal Labels 1 (1) FROM UPS (GROUND) 2 (2) FROM UPS L1 3 (3) FROM UPS L2(N) 4 (4) TO UPS L2(N) 5 (5) TO UPS L1 6 (6) TO UPS (GROUND) Detachable PDU (Preinstalled Connections) OUTPUT (GROUND) OUTPUT L1 OUTPUT L2 INPUT L2 INPUT L1 INPUT (GROUND) C A B D F 1-3 A D E C 2 Transformer Detail 201102089 93-2982.indb 8 Transformer Connection 8 7/11/2011 3:49:00 PM

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8
Connection
Wiring Warnings
(Also read “Important Safety Instructions” at beginning of this document.)
•
Observe all applicable wiring and safety regulations, such as National Electrical Code (NEC) in the U.S., at all times.
•
Install an easily accessible disconnect switch in the installation wiring to cut off the UPS system’s AC input during fires and other
emergencies.
•
Fit cables with cable sleeves and secure them with connector clamps.
•
Tighten connections with a torque of 24-28 in-lb (2.7-3.2 N·m).
•
Make sure that all equipment is properly grounded.
•
Using cables of improper size may damage equipment and cause fire hazards. Choose appropriate cabling and protection circuits to
make wiring connections. Ground conductors must be the same size and type as the power conductors.
Recommended Cable and Protection Circuit Size
INPUT CURRENT
200 – 240V
(1Ø, 2-Wire + Ground)
OUTPUT CURRENT
200 – 240V
(1Ø, 2-Wire + Ground)
OUTPUT CURRENT
120V (1Ø, 2-Wire + Ground)
OUTPUT PROTECTION CIRCUIT
56A – 6 AWG (16 mm
2
)
50A – 6 AWG (16 mm
2
)
2 x 50A – 6 AWG (16 mm
2
)
63A
Recommended Tools:
Phillips Screwdriver, Needle-Nose Pliers
Connect Transformer to PDU
1
Remove the junction box
A
covering the transformer’s terminals.
2
The PDU
B
includes a preinstalled wiring harness
C
. Remove
the junction box knockout second from the right
D
, remove the
plastic nut from the end of the wiring harness, insert the end of
the wiring harness through the knockout, insert the end of the
wiring harness through the plastic nut
E
and tighten the nut to
secure the end of the wiring harness to the junction box.
3
Use a screwdriver to secure the wires at the end of the wiring
harness
C
to the corresponding terminals
F
on the
transformer. The wires and terminals are labeled 1 through 6 for
easy identification.
Note: Using needle-nose pliers to manipulate
the wires may ease installation.
Corresponding Terminals Between Detachable PDU and Transformer
Wiring
Harness
Label
Transformer Terminal Labels
Detachable PDU (Preinstalled Connections)
1
(1) FROM UPS
(GROUND)
OUTPUT
(GROUND)
2
(2) FROM UPS L1
OUTPUT L1
3
(3) FROM UPS L2(N)
OUTPUT L2
4
(4) TO UPS L2(N)
INPUT L2
5
(5) TO UPS L1
INPUT L1
6
(6) TO UPS
(GROUND)
INPUT
(GROUND)
1-3
B
F
D
A
C
2
A
D
C
E
Transformer Connection
Transformer Detail
201102089
93-2982.indb
8
7/11/2011
3:49:00 PM