Generac Power Systems PWRcell X11400 Series, Owner'S Manual

Introduction and Safety

Owner’s Manual for Generac PWRCell Inverter

3

Electrical Hazards

(000104)

DANGER

Electrocution. Water contact with a power 
source, if not avoided, will result in death 
or serious injury.

(000604)

DANGER

Electrocution. PWRcell Battery front cover should be 
removed by a qualified technician only. Removing 

the front cover could result in death, serious injury, 

equipment or property damage.

(000145)

DANGER

Electrocution. In the event of electrical accident,  
immediately shut power OFF. Use non-conductive  
implements to free victim from live conductor. Apply  
first aid and get medical help. Failure to do so will  
result in death or serious injury.

(000599)

Electrocution. Turn battery disconnect OFF and 
de-energize REbus before touching terminals. 
Failure to do so will result in death, serious injury, 
equipment and property damage.

DANGER

(000152)

DANGER

Electrocution. Verify electrical system is
properly grounded before applying power.
Failure to do so will result in death or serious
injury.

(000188)

DANGER

Electrocution. Do not wear jewelry while 
working on this equipment. Doing so will 
result in death or serious injury.

(000187)

WARNING

Electrocution. Potentially lethal voltages are generated
by this equipment. Render the equipment safe before
attempting repairs or maintenance. Failure to do so
could result in death or serious injury.

Safety Shutdown

(000600)

DANGER

Electrocution. Initiate a system-wide safety shutdown 
and turn PWRcell Disconnect Switch OFF on all 
connected batteries before performing service. Failure 
to do so will result in death, serious injury, equipment 
and property damage.

NOTE: 

A loss of grid power will not de-energize REbus 

in a system configured to island or provide backup power.

See 

Figure 1-1

.  Shutdown  button  (A)  on  the  Generac 

PWRcell  Inverter  control  panel  activates  Safety 
Shutdown.  Safety  Shutdown  signals  connected  devices 
to shutdown and limit output voltage to a safe level. An 
external  shutdown  button  may  also  be  installed,  given 
appropriate labeling. See the Generac PWRcell Inverter 
Installation Manual for more information.
To enter Safety Shutdown, press and hold Shutdown (A). 
Safety shutdown LED (B) will illuminate and LCD screen 
(C) will indicate Safety Shutdown has been initiated.

REbus

Inverter

Internet

Shutdown

(hold)

009918

A

C

B

Figure 1-1. Safety Shutdown Button (Located on 

Inverter Control Panel)

Upon  entering  Safety  Shutdown,  a  shutdown  signal  will 
be  transmitted  to  all  devices  connected  to  REbus.  In 
Safety Shutdown:

•

Generac PWRcell Inverter will disconnect from the 
grid.

•

Generac PWRcell Inverter will stop sourcing power 
to REbus, and immediately disable all sources on 
REbus by sending a global shutdown signal. 

•

All  Generac  PV  Link  Optimizers  will  disconnect 
their output.

•

Safety  Shutdown  LED  (B)  will  be  illuminated  to 
show  that  the  inverter  has  entered  safety  shut-
down. REbus DC bus voltage will be displayed on 
the inverter screen.