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21
January 2020
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Solar Stik
®
, Inc.
24VDC Power Hub 3500 Operator Manual
Connecting a 24VDC PRO-Verter or 24 VDC Expander Paks
Connect the Power Hub to either a
PRO-Verter or Expander Paks using the
Expander Pak/PRO-Verter Only port on the
right side (orange rectangle) of the Power
Hub. Use Inter-Connect Cables to make
these connections.
METERED PORT - Data for multiple DC
values is collected at this port and is made
available at the LCD User Interface.
Figure 14. Power Hub PRO-Verter or Expander Pak connection
Connecting to Communications Network
2
Connect to the internet or a computer
using the Tech port. This is an Ethernet
connection to the LCD user interface
and provides remote access to the data
provided by it.
Figure 15. Power Hub 24 VDC IN/OUT ports
Powering up the Power Hub
User Interface
The user interface will activate when the Power Hub Inter-Connect Circuit is active. Power from PV
arrays alone will also activate the user interface.
Note:
This feature provides a method to bring an HPS (PRO-Verter, Expander Paks, and
generator) back online if the System batteries are overdischarged. (See System manual for
details.)
Solar Charge Controllers
The solar charge controllers will activate and begin charging when the PV voltage is 5 VDC greater
than the battery voltage and will continue charging as long as the PV voltage is 1 VDC greater than
the battery voltage.
Connecting Loads
2
Connect loads to the 24VDC In/Out
ports on the front left of the Power Hub.
Regulated 24 VDC power sources may
also be connected here.
Figure 16. Power Hub Tech port
2