3.0
Installation Instructions
ProStar MPPT Operator’s Manual
25
24
3.3 Mounting
Inspect the controller for shipping damage. Mount the
ProStar MPPT to a vertical surface (4-#8 stainless steel
self-tapping screws are included). Tighten the mounting
screws, using care not to crack the plastic case. Do not
install directly over an easily combustible surface since the
heat sink may get hot under certain operating conditions.
NOTE:
The heat sink must be in a vertical position (fins
up and down).
For proper air flow, allow at least 15 cm (6 in) of space
above and below the controller, and 50 mm (2 in) at the
sides - see Figure 3-2 below. Install in an area protected
from direct rain and sun.
If the controller is installed in an enclosure, some
ventilation is recommended. Do not locate in an enclosure
where battery gases can accumulate.
Figure 3-2. Proper Clearances for Passive Cooling
6 in / 150 mm
6 in / 150 mm
2 in /
50 mm
B+
S -
B -
S -
S+
S+
S+
S+
S+
L -
L+
To battery (+) and
(-) terminals for
voltage
sensing
To battery for
temperature
sensing
To battery (+)
and (-)
terminals
To load (+)
and (-)
terminals
To properly
sized array
2
3
1
7
5
6
4
3.4 Wiring
Figure 3-3. Wiring the PS-MPPT
REFER TO FIGURE 3.3 WHEN USING THE WIRING INSTRUCTIONS
BELOW.
NOTE:
THE PS-MPPT IS UL 1741 COMPLIANT WHEN USED
WITH THE OPTIONAL WIRE BOX. THE WIRE BOX CANNOT
BE USED WITH RIGID CONDUIT. THE PS-MPPT IS UL RECOGNIZED
FOR USE IN A UL LISTED ASSEMBLEY WITHOUT THE WIRE BOX FOR
THE PS-MPPT.
