IQ System Controller System Shutdown – North America
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d) Activating Enphase System Shutdown
The Enphase System Shutdown switch looks as shown in Figure X
By simply moving the rotary handle from ON position to OFF position the Enphase Energy System
shutdown is activated. This acts as a Rapid shutdown too as mandated by the NEC standards.
Technicians also have the safety option of locking the Enphase System Shutdown switch in OFF position
to ensure no one inadvertently turns the switch to ON position.
The system can be grid tied or in grid independent micro grid mode in order to activate the system
shutdown.
e) Deactivating Enphase System Shutdown
On completion of the maintenance the technicians need to bring the Enphase System Shutdown switch
back to the ON position.
On deactivation of the Enphase Energy System shutdown the System Controller tries to connect to the
main grid and if the main grid is absent then it will initiate necessary steps in order to form a microgrid
from the Enphase Energy System products, if it is applicable or from the Generator if it is present.
2. System Controller Manual Override Procedure for servicing
Enphase Energy systems components
The Enphase Energy system shutdown activation is adequate to isolate the Enphase Energy systems
from the grid and the home.
In order to do maintenance of the Enphase products (IQ System Controller, IQ Battery and IQ Combiner)
this step will not be adequate. To completely de-energize the Enphase products there are a few more
steps which will be needed. These steps are to be performed by an Enphase Trained Technician only.
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