Locating; Mounting; Electrical Connections - Bergey POWERSYNC II Series Operator's Manual & Installation Instructions

4.2. Locating


The inverter must be installed in a weather protected environment.

The inverter emits audible noise when operating. Do not locate the inverter in living spaces or on
walls directly connected to living spaces.

For maximum energy production, avoid installing in direct sunlight or in locations that are likely to
exceed 45ºC (113ºF) local ambient temperature.

The inverter will automatically shut down if the temperature is below -20ºC (-68ºF). Protect from
extreme cold exposure if this is undesirable.

Enclosure ventilation is to be provided such that the following guidelines are satisfied.
o
Provide a minimum of 12 inches clearance to the bottom air inlet filters.
o
Provide a minimum of 6 inches clearance to the outlet side vents.
o
Use in a well-ventilated area within the maximum ambient temperature rating.

If the inverter is installed in a small structure or out building, the structure must be provided with
top and bottom venting of at least 100 square inches at each opening.

4.3. Mounting


The enclosure, having a NEMA 1 rating, is designed for indoor installation.

The enclosure is provided with four mounting feet with 7/16" dia. mounting holes.

For mounting to a 0.10" thick metal surface, use M6, 3/8" bolts grade 3 or higher with nuts and flat
washers.

For mounting to concrete, use M6 or 3/8" bolts using concrete anchors with an 800 pound or
greater tension rating.

The required bolt length is such that the internal threads need to be 100% engaged.

The enclosure is to be oriented with the conduit openings facing toward the floor.

4.4. Electrical Connections


Connections are made to the unit via the holes provided in the bottom of the enclosure.

Knockouts are sized for 1" and 1.5'' conduit sizes. Wiring methods in accordance with the
National Electrical Code, ANSI/NFPA 70 are to be used.

It is recommended that at least 12" of flexible conduit be used below the inverter to make
alignment easier.

CUTTING ADDITIONAL HOLES IN THE ENCLOSURE IS NOT RECOMMENDED AND VOIDS
THE WARRANTY ON THE ENCLOSURE AGAINST CORROSION AND WATER DAMAGE. ANY
DAMAGE TO THE ELECTRONICS CAUSED BY THE MODIFICATION WILL BE YOUR
RESPONSIBILITY.
Operator's Manual & Installation Instructions
Page 5
1.405.364.4212 / www.bergey.com
PowerSync II
Rev: 1.1