Wire Connection; Final Equipment Inspection - ABB Zenith ZTS T Series Quick Start User Manual

For zts(d) t-series automatic transfer switches, 30-1200 a, 200-480 vac
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Z e n i t h Z T S ( D ) 3 0 - 1 2 0 0 A AT S , Q U I C K S TA R T U S E R M A N U A L

Wire Connection

AL/CU UL Listed Solderless Screw-Type Terminals for External Power Connections
ATS Rating
Model
(A)
Source/Load
Source 1
30 - 60
Source 2 / Load OZXA-100
Source 1
100 - 200
Source 2 / Load OZXA-200
Source 1
260 - 400
ZTS
ZTSD
Source 2 / Load OZXA-412
Source 1
600
Source 2 / Load OZXA-800E 2 AWG - 600 MCM
Source 1
800 - 1200
Source 2
Load
Do not exceed this value - may cause damage to switch, voiding warranty
1
Table 14 Power Cable Torque Requirements

Final Equipment Inspection

Prior to energizing the transfer switch:
1. Remove any debris incurred, with a vac-
uum, due to shipment or installation.
2. Verify that all cabled connections are
correct and that phase rotation of both
sources match.
3. Check engine start connections.
4. Verify the correct connection of all
control wires.
5. Check settings of all timers and
adjust as necessary.
6. Adjust any optional accessories as
required.
7. Check the lug torque values of the
power connections.
8. Make sure that all covers and barriers
are installed and properly fastened.
Lug Type
Wire Range
OZXA-24
14 - 2/0 AWG
12 - 2/0 AWG
OZXA-25
6 AWG - 300 MCM
4 AWG - 300 MCM
1x4 AWG - 600 MCM or
OZXA-412L
2 x 1/0 AWG - 250 MCM 1/2
1x 4 AWG - 600 MCM or
2 x 1/0 AWG - 250 MCM 1/2
OZXA-800L 2 AWG - 600 MCM
OZXA-1200 2 AWG - 600 MCM
OZXA-800S 2 AWG - 600 MCM
OZXA-1200 2 AWG - 600 MCM
Each ABB Zenith transfer switch is factory
wired and tested. A complete information
package is furnished with each switch
which includes:
- Sequence of operation.
- Description and operation of all
accessories supplied.
- Power panel connection diagram
and schematic.
- Description and identification of all
customer field connections.
Installation of ABB Zenith transfer
switches includes:
- Mounting the transfer switch cabinet.
- Connection of Source 1, Source 2, and
Load cables or bus bars.
- Connection of external control circuits as
required.
Notice
Lugs come pre-installed and torqued
Cables
Cables - Tightening
per pole
Torque
1
50/5.7
1
132/15.0
1
275 / 31.1
1
200 / 22.6
500 / 56.5
500 / 56.5
2
500/56.5
2
500/56.5
4
500/56.5
4
500/56.5
4
500/56.5
, lb-in (N-m)
1

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