5 functional test – Magnum Energy MMS Series User Manual

Page 31

Inc.

Installation

2.5 Functional

Test

After all electrical connections

to the inverter, batteries, AC source

and loads (using a sub-panel)

have been completed, follow these

steps to test the installation and the inverter’s operation.
1. Check the battery voltage and polarity before connecting the

batteries to the inverter. Use a multimeter to verify 10 to 14 VDC
at the batteries’ positive and negative terminals.

2. Apply battery power to the inverter by switching the DC discon-

nect ON (or close the DC circuit-breaker). The inverter will remain
OFF, but the green status indicator on the front of the inverter will
quickly blink once to indicate that DC power has been connected
and is ready to be turned on.

Ground-Fault Circuit Interruption (GFCI) Breakers
In compliance with UL standards, Magnum Energy tested the follow-
ing GFCIs and found that they function properly when connected to
the inverter’s AC output:

Shock Sentry

#XGF15V-SP, Leviton Smart

Lock #8899-A, and Hubbel #GF520EMBKA.

WARNING: Risk of electric shock. Use only the
GFCIs [receptacles or circuit breaker(s)] specifi ed in this
manual. Other types may fail to operate properly when
connected to this inverter.
CAUTION: Ground Fault Circuit Interrupters (GFCIs) shall
be installed in the recreational vehicle’s wiring system to
protect all branch circuits.

Inverter Warning Label
The warning label (see Figure 15) is provided to inform all person-
nel that an inverter is installed in your electrical system. Affi x this
label in a clearly visible location at the electrical panel that is being
powered by the inverter. This is necessary because it might be falsely
assumed that the panel is no longer “hot” after AC power has been
shut off—when in fact power may actually still be available due to
the inverter automatically powering the panel.

This electrical system is equipped with an

Automatic Generator Starting (AGS) device and/

or an inverter. Disconnect all AC and DC power to

the AGS and/or inverter before performing any

service to the electrical system. Failure to do so

can result in shock causing serious injury or death.

PN: 62-0002 Rev A

Figure 15, Warning Label