7
4.2 I
NSTALLATION
P
ROCEDURE
GENERAL INSTALLATION NOTES:
• The ProStar prevents reverse current leakage at night, so
a blocking diode is not required in the system.
• The ProStar is designed to regulate ONLY PV power. Do
NOT connect to any other type of power generator.
• The ProStar automatically selects 12 or 24 volt setpoints at
battery connection. Do not connect a battery larger than 24
vdc (12 cells) or the controller will be damaged.
• The connector terminals will accept a maximum wire size
of AWG #6 (solid/multistrand) or AWG #8 (fine strand) or a
maximum wire diameter of 5.0 mm. Use a flathead insulated
screwdriver (up to 5 mm).
NOTE: Carefully observe the LED indications at each con-
nection. Per the chart above, the LED’s will indicate
proper polarity and a good connection.
NOTE: Connections may be made in any order. However,
the BATTERY must be connected first for the LED
indicators to operate. The SENSE input will not
power the LED’s.
INSTALLATION STEPS:
1. Inspect the controller for shipping damage. Mount the
ProStar to a vertical surface (4 stainless steel #8 self-tapping
screws are included). Do not install directly over an easily
combustible surface since the heatsink may get hot under
certain operating conditions.
NOTE: Heatsink must be in a vertical (up and down) position.
Allow a minimum of 15 cm (6 inches) space above and below
the controller for air flow. Install in an area protected from
direct rain and extreme temperatures.
If the controller is installed in an enclosure, some ventilation
is recommended. If installed in a sealed enclosure, under
extreme conditions the ProStar may, at times, reach 70ºC
and disconnect the PV array briefly.
2. Confirm that the PV array and loads will not exceed the cur-
rent ratings of the ProStar model being installed (see chart
on front cover).
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