American Power Conversion 20-30 kVA 480V User Manual
*990-2870B*
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Cable landing area
for AC input
Power Distribution
Unit (PDU)
Conduit box
Power module with
cable landings for
battery cables and
communication
cables
Rear
L1
L2
L3
Cable Entry
Make sure that the UPS is in its location of use before you
Note
start the cabling.
Preparing for top cable entry
APC Smart-UPS® VT ISX Enclosure
20-30 kVA 480V for 5 Battery Modules and
with Power Distribution Unit and
Isolation Transformer
Installation
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
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Cable entry takes place from the rear of the UPS. Pull out the lower end of
the handle and turn it counterclockwise to a horizontal position to open
the door.
Preparing for cabling (general)
Use a torx screwdriver to loosen the four M4 screws from the cable
landing cover and remove.
Preparing for bottom and top entry
2
From the rear of the inside of the UPS push the top cover spring locks
backwards to lift up the rear end of the top cover.
Slide out the top cover (mind the wing on either side of the plate).
Punch holes in labeled area between the two rails on the rear of the
top cover for conduits as required. Line hole(s) with grommets (not
supplied). Reinstall the top plate.
AC and Ground Cable
Landings
Bottom cable entry
Feed the input cables
in conduits (not
supplied) through the
punched holes in the
bottom plate.
Use cable ties to
attach the cables to
the slotted plate.
Warnin
Warnin
Warnin
Note
990-2870B 07/2006
Always read the separate Safety Sheet 990-2822 prior to the
installation.
All electrical power and power control wiring must be installed by
a qualified electrician, and must comply with local and national
regulations for maximum power rating.
The UPS must be supplied from a: 208Y/120V or 220Y/127V 4W+
GND 60 Hz source.
Power terminal lug diameter: minimum 6 mm.
.
Torque value: 62 lbf
in/7 Nm.
Use a hammer to
punch out
knockouts and line
holes with
grommets (not
supplied).
Connect the input
cables (L1, L2, L3),
to the cable landings.
Connect the ground cable using the provided screw (earth symbol
beneath the applicable screw).
Reinstall bottom cable landing cover.
Smart-UPS® VT ISX w/transformer and PDU, 20-30 kVA, 480 V, Installation
Top cable entry
Feed the input cables in
conduits (not supplied) through
the punched holes.
Use cable ties to attach the cable to the slotted plate.
Connect the battery cables Bat+ and Bat÷ and the N cable in the
designated areas.
Connecting load to the 4-pole breaker
Run the cables in the side
panel.
Guide the input cables through
the punched holes in the
bottom plate up to the cable
landing.
Use cable ties to attach the
cables to the slotted plate.
Connect the input cables (L1,
L2, L3), to the cable landings.
Connect the ground cable
using the provided screw (earth
symbol beneath applicable
screw).
Reinstall bottom cable landing
cover.
3
L2
L1
L3
Battery Cable Landings
The UPS may ONLY be connected to the APC SUVTBXR
Note
Battery Enclosure.
Bottom cable entry
Use a torx screwdriver to
remove top cable landing
covers.
Feed the battery cable through
the bottom of the UPS. On the
outside of the bottom cover,
run the cable in conduits (not
Smart-UPS® VT ISX w/transformer and PDU, 20-30 kVA, 480 V, Installation
provided) to the conduit box.
Feed the cables through the
conduit box.
4
Top cable entry
See how to punch holes in the top cover in section 1:
Preparing for top cable entry.
Use a torx screwdriver to
remove the top cable
landing covers.
Feed the battery cables
through the punched holes
in the top cover.
Connect the battery cables
Bat+ and Bat÷ and the N
cable in the designated
areas.
Connecting Load to the PDU
Preparing to connect the load to the PDU(s)
Connect the load equipment evenly between the 3 phases to
avoid overloading the PDU. The total output capacity of the
Note
Note
Note
PDU is approximately twice the output capability of the UPS.
This means that UPS would be over-loaded if all PDU outlets
were loaded to their rating. Load status on the individual
phases can be found through the UPS display or through the
web interface.
Equipment connected to the 3-phased output may require
overcurrent protection with a lower rating than the 3-phased
output.
For 3-phased output, the highest current may be in the Neutral
conductor at non-linear loads (up to 173%).
Set the top PDU breaker to the OFF position.
Using a torx screwdriver, remove the four M4 screws from the top
plate of PDU. Remove plate.
Connect the L1, L2, L3, N to the terminals and tighten the M6 screws
firmly. Fasten cables with cable ties.
Attach the ground cable to the ground stud (labeled earth) and fasten
with cable tie.
Use a torx screwdriver to reinstall the top plate removed in step 2.
Feed the cable through the hole in the top cover.
Connecting load to the 3-pole breaker(s)
Set the applicable
breaker to the OFF
position.
Insert the plug from
the load into the
receptacle. Secure
the plug by turning
it clockwise
approximately 30°.
Set the applicable
breaker to the ON
position to supply
the load.
Smart-UPS® VT ISX w/transformer and PDU, 20-30 kVA, 480 V, Installation
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