User manual
3.0 INSTALLATION INSTRUCTIONS
MORNINGSTAR CORPORATION 13
Communication – Meter / MODBUS®
Choose the desired communication protocol for the RJ-11
meter connection. Select the Meter protocol to communicate
with a Morningstar Remote Meter (optional accessory).
Select the MODBUS® protocol to communicate with
a PC
2
and Morningstar’s MSView software. MODBUS®
is an open communication protocol standard used by
Morningstar’s MSView PC software and other 3rd party
hardware / software.
SWITCH 4 OFF (↓): MORNINGSTAR REMOTE METER
SWITCH 4 ON (↑): MODBUS® PROTOCOL FOR
MSVIEW, 3RD PARTY DEVICES
(2) Morningstar PC Meterbus Adapter (Model: MSC) required. Not included.
See Morningstar’s website for more information. www.morningstarcorp.com.
MODBUS® is a registered trademark of Modbus-IDA (www.modbus-ida.org)
3.0
3.3 Mounting
NOTE: When mounting the SunSaver MPPT, ensure free
air ow through the controller heat sink ns. There
should be at least 6 inches (150 mm) of clearance above
and below the controller to allow for cooling. If mounted
in an enclosure, ventilation is highly recommended.
WARNING: Risk of explosion! Never install the SunSaver
MPPT in a sealed enclosure with vented (ooded)
batteries! Do not install in a conned area where battery
gasses can accumulate.
Step 1: Choose Mounting Location
Locate the SunSaver MPPT on a vertical surface
protected from direct sun, high temperatures, and water.
Step 2: Check for Clearance
Place the SunSaver MPPT in the location where it will be
mounted. Verify that there is sufcient room to run wires and
that there is ample room above and below the controller for
air ow.
WARM AIR
COOL AIR
AT LEAST
6” (150 mm)
AT LEAST
6” (150 mm)
Figure 3. Mounting and cooling