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Operation
3.9
Inverter Fan Operation
The inverter contains two internal cooling fans that are automatically controlled. The speed of
these fans is determined either by the internal temperature of the inverter or by the load on the
inverter. The inverter's fans will come on under the conditions listed below:
•
Fans run full speed if the internal transistors (FETS) or the power transformer reaches 80°C
(176°F), or the inverter is running at 100% of its rated load.
•
Fans run medium speed if the internal transistors (FETS) or the power transformer reaches
60°C (140°F), or the inverter is running at 50% of its rated load.
•
Fans run low speed when the inverter is running at 25% of its rated load.
The fans shut down when none of the above conditions are met, or if the battery voltage is below
19.0V (24-volt systems).
Whenever the inverter is fi rst connected to the battery, the fans start for about 1 second. The
inverter's fans will not start based on temperature sensed by the optional BTS.
3.10 Using a Remote with the MSH-RE Series Inverter
The MSH-RE Series inverter—connected to a ME-ARC remote control—has many advanced features.
The inverter and remote communicate with each other to allow these advanced features to be set
up or enabled. However, the remote may have a later/newer software revision than the inverter,
so some of the features and functionality in the remote may not be available with your inverter.
Use the steps below to determine what remote menus/features are available with your inverter:
1. Obtain your inverter's software revision.
Note: To view the inverter's software revision level, push the TECH button on your ME-ARC
remote and access the Revisions menu.
2. Use the chart below to determine the inverter's compatibility level (L1, L2, L3 or L4) based on
your inverter's software revision.
INV/CHG
Models
MSH4024RE
3. After determining the inverter's compatibility level, refer to the remote's compatibility matrix
(fi nd it online at: www.magnumenergy.com under the Service and Support tab) to determine
which remote features/settings you can use based on your inverter's compatibility level.
Note: If your inverter's compatibility level is the same or greater than the 'Inverter Model/Level
Required' on the remote compatibility matrix on our website, then your inverter can support
the device setting/feature you want. If your inverter does not have the required compatibility
level for a feature/setting you want, contact Magnum Energy about a software upgrade.
3.10.1 Remote Compatibility
The MSH-RE Series inverter/charger provides the Load Support feature and has two independent
AC source inputs (AC1/GRID, AC2/GEN) with independent AC input amps and VAC dropout settings,
and AC meters for each input. Older remote revisions will work with the MSH-RE Series. However,
to view the Load Support status and to monitor and allow independent AC input settings, the
following remote revisions are required.
Remote Models
ME-RC
ME-ARC
ME-RTR
Page 40
Table 3-3, Inverter Compatibility Level
Level 1
(L1)
NA
Table 3-4, Remote Compatibility Level
Shows Load Support status and AC meters for each input;
however, the input settings are combined.
Level 2
Level 3
(L2)
(L3)
NA
NA
Revision Required
≥ Revision 2.7
≥ Revision 3.0
≥ Revision 3.0
© 2013 Magnum Energy, Inc.
Level 4
(L4)
≥ Rev 1.1
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Troubleshooting
