EI Automatic Transfer Switch (ATS)
2. Installation
1. General Information
3. Electrical connections
Conductor Schedule
Conductor
Qty
Type
Size
Grid
4
Min. 90°C rated, insulated
(or bare-EGC conductors),
copper, solid or stranded
(not fine stranded)
L1, L2, N: 4-4/0 AWG,
EGC: 6-1/0 AWG
Load
4
L1, L2, N: 1/0-4/0 AWG,
EGC: 6-1/0 AWG
Inverter
4
L1, L2, N: 8-6 AWG,
EGC: 8 AWG
Communications
1
RS485 shielded, twisted
pair (2-wire)
24 AWG
Quick Start Guide - TSS-200-US
Pg 1 of 3
1.
This document is for quick guidance only. For details, please refer to the Energy Intelligence (EI) ATS Installation & Operations Manual.
2.
Damage caused by failure to follow the contents of the EI ATS Installation & Operations Manual is not covered by the warranty.
3.
Before installing the system, check that the package contents are intact and complete against the packing list. If any damage is found or any component
is missing, contact your dealer.
1.4 EI ATS Enclosure Overview
1.
Status display
2.
1¼" Inverter knockouts
3.
2½" Load knockout
4.
2½" Grid knockout
5.
1¼" Communication knockout
6.
1¼" unassigned knockout
7.
1¼" Generator knockout
8.
Heat sink
9.
200A Main Circuit breaker Access door
!
!
ATTENTION – READ FIRST
!
CAUTION –
Use tools with insulated handles. Always wear appropriate PPE.
Although the Tigo ATS comes with
mounting hardware, use the appropriate
hardware for the mounting surface.
1.1 Package Contents
2.1 Mounting & opening the ATS
1.2 Required Tools
3.1 Electrical connections overview & conductor schedule
1.3 System wiring diagram
Item
Quantity
TSS-200-US ATS
1
Mounting bracket
1
Quick Start Guide
1
M5 Security screws
2
M6 expansion screw with anchor
2
3pin wiring connector
1
6pin wiring connector
2
200A circuit breaker interlocking kit
1
Item
Use
Wire cutter/crimp tool
Wiring the ATS
Philips Screwdriver
Wire terminals/Mounting
Rubber mallet/hammer
Mounting
Drill
Mounting
Level
Mounting
2.5mm-8mm Allen keys
Cover/Security Bracket/Wire Terminals
1.
Reserve at least 12” on all sides of the ATS. Install
vertically or tilted back no more than 15 degrees.
2.
Use a level and the mounting bracket to mark the
mounting holes.
3.
Drill out mounting holes to 1.7” (45mm) depth.
4.
Place the sleeve anchor in each hole, tap with the mallet/
hammer. Place mounting bracket aligned with the anchors
exposed through the screw holes and use the mounting
screws to attach to the wall.
5.
Confirm bracket is level and screws are tight then lift ATS
on to the mounting bracket.
6.
Insert security screws into each side of the bracket,
fastening the bracket to the ATS with a 4mm Allen key.
7.
Remove the caps covering the Allen head screws on the
front cover. Using a 5mm Allen key, loosen the Allen
screws and remove the cover.
!
CAUTION
- Check that all Disconnect switches are OFF before wiring. Do not install any component of the EI System while
energized. Always wear appropriate PPE.
1
3
-
4
5
6
COM
G
EN
ERATOR
INV3
INV3
INV1
LOAD
GRID
1
2
5
6
7
3
4
8
2
2
9
Inverter
communications
terminals
Manual Bypass
Jumper
200A Main Circuit Breaker
L1
L1
L2
L2
Load terminals
Neutral terminals
Ground terminals
Inverter
terminals
Neutral
terminals
Note –
3 additional 2½” knockouts.
2 on the back. 1 on the right side.
PV
Grid
N L2 L1
Utility
Meter
N
G
Main Panel
Load
L2 L1
Grid
L2 L1
N
G
Grid
G
Inverter
L1 L2
N
G
PV1+ PV1-
…
PV4+ PV4-
G
N
200A
Breaker
Breaker
Battery
BAT+ BAT-
…
ATS
EI Inverter
Refer to inverter manualfor
parallel dualbatteries
PV array
Generator
L1 L2
N
G
Future
enhancement
Backup
+ -
≥12”
≥12”
≥12”
≥12”
≥12
”
≤15°
PN: 002-00094-00 | REV 5.0 | Nov. 9, 2022
