Installation (Electrical); Power Cabling; Power Cable Connections - Powertronix Quasar Service Manual

Service Manual
2.2 -

Installation (Electrical)

The UPS requires connection of the power cables once it has been mechanically installed. All auxiliary
cables, whether screened or not, should be run separate from the power cables in metal conduits, or
metal ducts electrically bonded to the cabinet metalwork to which they are connected.

2.2.1 - Power Cabling

WARNING
BEFORE CABLING UP THE UPS, ENSURE THAT YOU ARE AWARE OF THE LOCATION AND
OPERATION OF THE EXTERNAL ISOLATORS THAT CONNECT THE UPS INPUT/BYPASS
SUPPLY TO THE MAINS DISTRIBUTION PANEL.
CHECK THAT THESE SUPPLIES ARE ELECTRICALLY ISOLATED, AND POST ANY NECESS
ARY WARNING SIGNS TO PREVENT THEIR INADVERTENT OPERATION.

2.2.2 - Power Cable connections

The cable connection terminal block shown in
Caution
When preparing the power cables for connection, provide sufficient spare cable to allow
the UPS to be moved if necessary from it's normal operating position for servicing access.
Spare cable can be coiled beneath the unit.
Note: If connecting a battery to the External Battery input connections ensure
Split Bypass Configuration
If the UPS is to operate with a separate Reserve Input (Bypass) supply.
Caution
When the UPS is to be operated in the Split Bypass" configuration, the Split Bypass short
ing links must first be removed by the Commissioning Engineer before Power is applied
to the unit.
Note: The maximum cable size that can be connected to the UPS power
3x3 UPS Installation
Issue 2 - November 2001
1. Prepare the power cable ends and locate in the lower terminals of the terminal block.
2. Connect Input Mains to terminals 14 (U1), 15 (V1), 16 (W1) & 17 (N1).
3. Tighten the terminal block lower securing screws and check that each cable is secure.
4. Connected the UPS Output power cables to terminals 1 (U2), 2 (V2), 3 (W2) & 4 (N2) as
shown in Figure 2 1.
5. Secure the cables to the cable securing bar adjacent to the terminal block using appropriate
cable clamps.
that connections are made with the correct polarity.
1. Connect the power connections for the Bypass to terminals 10 (U3), 11 (V3), 12 (W3) & 13
(N3)
2. Connect the Input Mains to terminals to 14 (U1), 15 (V1), 16 (W1) & 17 (N1) as shown in
Figure 2 1.
terminal block is 25mm
Figure 2 1 is located at the rear of the cabinet.
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Chapter 2 - Installation
Installation (Electrical)
2 - 3