Ups Connections; Power Connections; Terminal Block Details; Wire Size And Tightening Torque - Toshiba 1400 XL PLUS Series Operation Manual

TOSHIBA
4.0

Power Connections

4.1 Power Connections
The following illustration details the wiring connections from the power distribution panel
(not part of the UPS) to the UPS unit and the Battery unit. This connection diagram is to
be used with the following Battery units: UC3-BC-0230, 0260, 0330, 0360, 0630, 0660,
and 0830.
Source Power
Distribution
Panel
L1
1
L2 2
G 3
NOTE: The following model numbers do not require the +Bus connection:
(UC3-BC-0230, UC3-BC-0330, and UC3-BC-0630)
4.2

Terminal Block details

The following illustration is a detail of the Battery Cabinets terminal block (see sections
5 & 6 for terminal block location).
1 2
EPO EPO
120VAC
L
N
Customer Supplied
4.3 Wire Size and Tightening Torques
Terminal blocks 1 and 2 are used for wiring the EPO of the Battery System
Terminal block 3 is used to connect the battery cabinet to UPS ground.
Terminal block 4 is used to supply power to the internal battery charger circuit of the battery
cabinet. The entire terminal block accepts #6 to #16 Awg. (Tightening torque is 13 inch-pounds
minimum). Use copper 90° C wire only.
Main UPS Unit
11
208VAC
12
240VAC
13
MCCB
H2
H1
MCCB-B
+BUS
MCCB-C
3 4
G
+BUS
Breaker
Battery Charger
Battery Cabinet
2.4KVA
3.6KVA
6.0KVA
8.0KVA
4 - 1
Battery Unit
8 3
P
P
MCCB-C
N
N
4
16
Charger
BATTERY BREAKER SIZING
MODEL
UC3-BC-0230
UC3-BC-0260
UC3-BC-0330
UC3-BC-0360
UC3-BC-0630
UC3-BC-0660
UC3-BC-0830
Recommended Wire Size
EPO (Terminal Gnd. (Terminal
Blocks 1 & 2) Block 3)
18 AWG 14 AWG
18 AWG 14 AWG
18 AWG 14 AWG
18 AWG 14 AWG
BREAKER
32A 250VDC
32A 250VDC
32A 250VDC
32A 500VDC
+Bus (Terminal
Block 4)
14 AWG
14 AWG
14 AWG
14 AWG