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Introduction and Safety
General Hazards
DANGER
Automatic start-up. Disconnect utility power and
render unit inoperable before working on unit.
Failure to do so will result in death or serious injury.
WARNING
Risk of injury. Do not operate or service this machine
if not fully alert. Fatigue can impair the ability to
service this equipment and could result in death or
serious injury.
WARNING
Loss of life. This product is not intended to
be used in a critical life support application.
Failure to adhere to this warning could result
in death or serious injury.
WARNING
Electric Shock. Consult installation documentation for all
other REbus™ devices on the system. Failure to do so
could result in death, serious injury, and equipment or
property damage.
WARNING
Equipment damage. Only qualified service personnel may
install, operate, and maintain this equipment. Failure to
follow proper installation requirements could result in death,
serious injury, and equipment or property damage.
WARNING
Risk of Burn. Use protective gloves when
handling hot parts. Failure to do so could
result in serious injury.
CAUTION
Equipment damage. Never open a Generac SnapRS device.
Generac SnapRS devices are factory-sealed and contain
no field-servicable parts. Opening a Generac SnapRS device
could result in equipment damage.
CAUTION
Equipment damage. Connect to REbus-compatible PV
optimizers only. Generac SnapRS devices are for use with
ungrounded PV arrays only. Connecting to other equipment
could result in equipment damage.
2
•
Connecting Generac PWRcell to the electric utility
grid must only be done after receiving prior
approval from the utility company.
•
Only competent, qualified personnel should install,
operate, and service this equipment. Strictly com-
ply to local, state, and national electrical and build-
ing codes. When using this equipment, comply with
(000191)
regulations established by the National Electrical
Code (NEC), CSA Standard; the Occupational
Safety and Health Administration (OSHA), or the
local agency for workplace health and safety.
•
Protection against lightning surges in accordance
with local electric codes is the responsibility of the
installer.
(000215)
•
If working on this equipment while standing on
metal or concrete, place insulative mats over a dry
wood platform. Work on this equipment only while
standing on such insulative mats.
•
Never work on this equipment while physically or
mentally fatigued.
(000209b)
•
Any voltage measurements should be performed
with a meter that meets UL3111 safety standards,
and meets or exceeds overvoltage class CAT III.
PVRSE Warning
This Photovotaic Rapid Shutdown Equipment (PVRSE)
(000662)
does not perform all of the functions of a complete
Photovoltaic Rapid Shutdown System (PVRSS). This
PVRSE must be installed with other equipment to form a
complete PVRSS that meets the requirements of NEC
(NFPA 70) section 690.12 for controlled conductors
within and outside the array. SnapRS devices are for
conductors within the array. Other equipment installed in
or on this PV system may adversely affect the operation
(000182a)
of the PVRSS. It is the responsibility of the installer to
ensure that the completed PV system meets the rapid
shutdown functional requirements.
This equipment must be installed according to the
manufacturer's installation instructions.
(000386)
(000667)
(000665)
Installation Manual for SnapRS
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