3: Installation
28
TS_604_01 PowerWave PW3000/TP User Manual UK 5/1/18
3.6.4 UPS Terminal block connection details
The input, output and external battery power cables are connected to a terminal block rail located on the back of the UPS
cabinet, behind a removable cover which is secured to the cabinet by four screws. Figure 3.5 shows the power terminal
block connection details.
MAINS 1
– is connected to the UPS input
mains supply and can be configured for either
a single-phase or three-phase input supply.
MAINS 2
– is connected to the UPS bypass
mains supply. This is a single-phase
connection and it can either be linked to
MAINS 1 (single input configuration) or
connected to a dedicated bypass mains
supply (dual input configuration). Note that
the neutral connections for MAINS 1 and
MAINS 2 are linked within the UPS.
The various MAINS 1 / MAINS 2 input
configurations are described in paragraph
3.6.5
OUTPUT
– The UPS AC output terminals
should be connected to the load distribution
panel via a circuit breaker or fused isolator.
PARALLEL JP
– JP1/JP2 is used to configure the UPS for parallel operation. By default, the UPS is shipped with a link
connected between JP1 and JP2 which configures the UPS for use as a stand-alone unit (single module).
BATTERY
– The battery terminals are used to connect the UPS cabinet to an external battery cabinet, where used.
3.6.5 Input/bypass supply configuration options
As mentioned above, the UPS input mains (MAINS 1) and bypass mains (MAINS 2) can be connected in several supply
configurations. These can be described as:
•
Three phase dual input
– Three phase mains input (L1,L2,L3) and separate single phase bypass input (M2)
•
Three phase single input
– Three phase mains input (L1,L2,L3) with the bypass line (M2) linked to (L1)
•
Single phase dual input
– Single phase mains input (L1,L2,L3 linked) and separate single phase bypass line (M2)
•
Single phase single input
– Single phase mains input linked to the bypass input (L1,L2,L3,M2 all linked)
The input configuration is selected by fitting links to the power
terminal block Mains 1 and Mains 2 connections. A ‘jumper kit’
comprising four screws, four spacers and a small busbar with 6-
holes, is shipped with the UPS module to enable the UPS input
supply connections to be linked accordingly. When installed, the
jumper bar should be fitted to connections along the centre of the
terminal block with the spacers as shown in Figure 3.6 and
secured firmly in place by the required screws. Link details for all
four configurations are shown in figures 3.8 to 3.11).
Note:
If only the three left-most screws are required to be fitted,
the bar can be cut to length.
CAUTION: If the UPS is to be installed as part of a parallel PW3000TP system the link between JP1-JP
must be removed.
CAUTION: The UPS is usually shipped with its internal batteries already connected.
L1
L2
N
M2
GND
L3
GND
N
L
N
JP1
GND
JP2
B+
GND
B-
MAINS 1
(Input)
MAINS 2
(Bypass)
OUTPUT
PARALLEL
JP
BATTERY
Internal link
Figure 3.5 Power terminal block connections
Figure 3.6 Power terminal jumper
