enphase IQ System Controller User Manual

IQ System Controller System Shutdown – North America
9 © 2021 Enphase Energy Inc. All rights reserved.
The list of recommended manual transfer switches with 200A and 100A ratings are shown in the table
below. The links for their purchases are embedded with the model numbers in the table.
Models
Amp
Wire Range
Dimensions
GE TC10323R
100A
12-1AWG
15.1’’ x 7.2’’ x 5.2’’/8.5”
Eaton DT223URH-N
100A
14-1/0AWG
24.6” x 11.9” x 5.4”/9.9”
Midwest GS1101B12UL
100A
14-1/0AWG
26” X 13” X 6.8”/10.6’’
GE TC10424R
200A
6AWG-250kcmil
30.2’’ x 13.3’’ x 8.5”/12.1”
Eaton DT224URK-NPS
200A
6AWG-250kcmil
37.86’’ x 19.6’’ x 6.1”/11.3”
Midwest GS1202B20UL
200A
6AWG-250kcmil
35’’ x 15.75’’ x 7’’/10.6”
4. Scenarios for using different switches
Enphase Energy
Enphase Energy
System Shutdown
Switch/ Rapid shut
down
Manual Over ride
switch
Manual Transfer
Switch
Applicable System
Controller Version
System controller 2
System Controller 1 ,2
All versions of System
Controller
To be used by
Enphase Technicians,
Utility Technicians, Fire
fighters/Emergency first
responders & Electricians
Enphase Installers or
Technicians
Scenarios to be used in
Home Maintenance, Grid
Maintenance
Enphase Energy System
Service
Home Maintenance, Grid
Maintenance

enphase IQ System Controller Specifications

General

Model	IQ System Controller
Grid Connection	Single Phase
Rated Output Power	Refer to specific model datasheet (e.g., IQ System Controller 2, IQ System Controller 3/3G)
Enclosure Rating	NEMA 3R
Operating Temperature Range	-40°C to +50°C (-40°F to +122°F)
Enclosure Environmental Rating	Outdoor
Surge Protection	Yes
Networking	Wi-Fi, Ethernet
Frequency	50/60 Hz
Communication	Zigbee (for communication with Enphase microinverters and batteries)
Compatibility	Enphase IQ Microinverters

Summary

Use Enphase System Shutdown for Bypass

Working of the Enphase System Shut down

Details the system layout and function of the Enphase Energy System shutdown switch.

Wiring the Enphase System Shut down

Explains the installation and wiring process for the Enphase Energy System shutdown switch.

Enphase Energy System Shut down as Rapid Shutdown for PV

Describes the system's role in meeting NEC rapid shutdown requirements for PV installations.

Activating Enphase System Shutdown

Provides instructions on how to activate the Enphase Energy System Shutdown switch.

Deactivating Enphase System Shutdown

Details the procedure for returning the Enphase Energy System Shutdown switch to its operational state.

System Controller Manual Override Procedure for servicing Enphase Energy systems components

Manual Override Procedure for System Controller 1

Step-by-step instructions for initiating and exiting manual override on System Controller 1.

Manual Override Procedure for System Controller 2

Step-by-step instructions for initiating and exiting manual override on System Controller 2.

Manual Transfer Switch for Bypass

Normal Mode Operation

Diagram and explanation of the manual transfer switch in its normal operating configuration.

Override Mode Operation

Diagram and explanation of the manual transfer switch when used for system override.

Scenarios for using different switches

System Shutdown Switch vs. Manual Override vs. Manual Transfer Switch

Compares applicable system controller versions, users, and scenarios for each switch type.