VertaMax User Manual
Revision 1.0
3.4.2
Low Input Voltage
As a battery is used, its voltage begins to decrease. When the inverter senses that the voltage at its DC input
has dropped to 11V ± 0.3 DC, an audible alarm sounds and the red FAULT indicator will light. When this
happens, it is important to remove or shut down computers or other sensitive devices that may be connected
to the VertaMax and recharge the battery before its capacity drops too low. The inverter can operate while
the battery is recharging.
When the input voltage rises to approximately 11.3 – 11.9V DC, the inverter restores to normal operation and
the red FAULT indicator will turn off.
If the audible alarm is ignored, the inverter will automatically shut down when the voltage drops to the range
of 9.8 - 10.2V DC. This protects the battery from being over-discharged.
3.4.3
Power Overload
When the starting power exceeds the rated surge power or the AC appliances connected to the VertaMax
exceed the inverters power rating, the inverter will automatically shut down and the red FAULT indicator will
light.
When in over current protection mode, the inverter cannot automatically restore to normal operation; reset to
normal operation by using the manual power switch.
3.4.4
Over Heating
When the inverter exceeds a safe operating temperature, due to insufficient ventilation or an increase of
ambient temperature, the inverter will automatically shut down, an audible alarm sounds and the red FAULT
indicator will light.
When the internal temperature drops below the surrounding air temperature, the inverter will automatically
return to normal operation.
Important:
The cooling fan is designed to operate when the temperature increases but may not be adequate
enough to prevent overheating.
3.4.5
Short Circuit
This inverter is equipped with multiple internal fuses. When in a short circuit state, the inverter will
automatically shut down.
Important:
Please see Section 5 Troubleshooting and Support for Fuse replacement instructions
3.4.6
Functional Matrix
Power
Switch
Power
Light
Audible
Alarm
Fan
Fault
Light Operational Mode
Off
Off
Off
Off
Off
Unit is off
On
On
Off
On
Off
Normal Operation
On
On
On
On
Off
Low input voltage, 11V
On
On
On
On
On
Low input voltage, < 10.2V
On
On
Off
On
On
High Input voltage, > 16V
On
On
Off
On
On
Over temperature or overload
On
Off
Off
Off
Off
No 12V DC input
4 APPLICATION
4.1 P
OWER
C
ONSUMPTION
For each piece of equipment you will be operating from the inverter, you must determine the battery’s
reserve capacity (how long the battery can deliver a specific amount of current – in automotive batteries,
windy
nation
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