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IQ System Controller 3
enphase IQ System Controller 3 User Manual
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IQ Sy
stem Con
troller 3/3G Quick Ins
tall Guide
35
R
e
vision his
t
ory
REVISION
DA
TE
DESCRIPTION
140-002
71-04
April 20
23
Added “
Con
trol (
C
TRL) wiring between s
ys
tem componen
ts” section.
Editorial upda
tes.
Pr
evious r
eleases
34
36
Table of Contents
Table of Contents
3
Full Energy Independence Configuration
3
Whole Home Backup with IQ System Controller
4
Scenario 1A
5
Whole Home Backup with IQ System Controller 3G
5
Scenario 2
6
Partial Home Backup with IQ System Controller
6
Scenario 2A
7
Partial Home Backup with IQ System Controller 3G
7
Scenario 3
8
Sunlight Backup
8
Scenario 3A
9
What's in the Box
10
Tools/Additional Items Required
11
Section a
12
Mounting the Product
12
Plan a Location for the IQ System Controller
12
Step 1: Minimum Clearance
13
Step 2: Install the Mounting Bracket
14
Step 3: Open the Dead Front
15
Section B
16
Mounting the Breakers
16
Internal View of IQ System Controller 3/3G
16
Wiring for Service Entrance
17
Install Main and Backup Breakers
18
Breakers for IQ8 Systems Without Generator
19
Breakers for IQ8 Systems with Generator
20
Section C
21
Wiring
21
Drill Conduits
21
DER Wiring
22
Aux Wiring: System Shutdown Switch
23
Aux Wiring: IQ Load Controller
24
Aux Wiring: Generator Control
25
Main/Supply Side Wiring
26
Backup Loads Wiring
27
CT Wiring
28
Wiring Control (CTRL) Cable to Headers
29
Control (CTRL) Wiring between System Components
30
Close and Energize IQ System Controller
33
Safety
34
Revision History
35
4
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enphase IQ System Controller 3 Specifications
General
Brand
enphase
Model
IQ System Controller 3
Category
Controller
Language
English
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