Section 3: Location And Compliance; Location And Clearances; Indoor Installation; Outdoor Installation - Generac Power Systems PWRcell M3 Installation And Owner's Manual

Section 3: Location and Compliance

Location and Clearances

The Generac PWRcell Battery may be located in suitable
interior or exterior locations in accordance with these
instructions and the locally adopted building and fire
codes.
NOTE: The PWRcell Battery uses the surrounding ambi-
ent air for cooling purposes. Inadequate airflow can
cause the PWRcell Battery to derate its power import and
export for thermal management. If power derating is
insufficient, due to an abnormally high ambient operating
temperature, the battery will disconnect and enter a pro-
tective error state, requiring manual intervention to recon-
nect once temperatures cool. The PWRcell Battery does
not require the installation and use of an external ventila-
tion system.
NOTE: Consider year-round temperature extremes
when choosing a location. In extreme climates, always
install the battery in a conditioned space. Generac rec-
ommends installing the battery in a conditioned space
regardless of climate.
NOTE: Do not expose the PWRcell Battery to extreme
temperatures. See Specifications
acceptable operating temperatures. Operating the Gen-
erac PWRcell Battery outside of the recommended range
may degrade performance.

Indoor Installation

•
Attached garages separated from dwelling unit
habitable spaces in accordance with locally
adopted building code.
•
Detached garages and accessory structures.
•
Utility closets and storage or utility spaces.
•
Basements.
When selecting an indoor installation site, consider the
following:
•
The PWRcell Battery is not permitted to be
installed within the habitable space of a dwelling
unit.
•
Interconnected smoke detectors or heat detectors
are to be provided in the residence in accordance
with the locally adopted building and fire codes.
•
The battery installation location must meet the
working space requirements in NEC Article 110.26.
•
Install only in clean, dry locations.
•
If the room or space where the battery is to be
installed is not finished or non-combustable, the
wall and ceilings of the room or space are to be
protected in accordance with the locally adopted
building or fire codes.
Installation Manual for Generac PWRcell Battery
for recommended and
•
If installed in a garage or other location where the
battery could be damaged by a vehicle, the battery
must be protected by approved barriers that are
installed in accordance with local building code.
•
Do not allow bottom or front vents to become
blocked.
•
Multiple battery units must be separated by mini-
mum 36 in (91.44 cm) between the units per NFPA
855.
•
See 3-1. Ensure minimum clearances are
Table
met.
NOTE: Refer to the local Building Code for permitted
locations for commercial installations.
Minimum Airspace Clearances
Table 3-1.
Indoor and Outdoor Installations
2 in
Sides
(5.08 cm)
3 in
Top
(7.62 cm)
36 in
Front
(91.40 cm)
Outdoor Installations Only
3 in
Bottom
(7.62 cm)

Outdoor Installation

When selecting a location, consider the following:
•
Install in well-managed, protected locations only.
When installed in a location where damage from
vehicles, recreational vehicles or equipment, live-
stock, pedestrians, or other activity may occur, the
battery must be protected by approved barriers in
accordance with the locally adopted building or fire
codes.
•
This equipment is not suitable for installations out-
doors in an extreme marine environment (docks,
marinas, boats, and shipyards).
•
Do not install where irrigation systems or other
equipment will spray water onto the unit.
•
Install only to flat, plumb (vertical) walls on sturdy,
structurally sound buildings. Do not install on
mobile homes or small, lightweight, temporary, or
portable buildings that could be compromised by
extreme weather conditions.
•
Do not attempt to support the unit on soft, deform-
able surfaces or surfaces prone to move due to
frost activity or subsidence.
Location and Compliance
Minimum 2 in (5.08 cm) on each
side to operate cover.
Minimum 3 in (7.62 cm) on top so
installer can lift body onto mount-
ing bracket.
Minimum 36 in (91.40 cm) in front
for maintenance / service in
accordance with NEC Article
110.26.
Minimum 3 in (76.62 mm) from
grade (Use of the Lower Mount-
ing Bracket Accessory required).
15