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NetSure V200D50 DC Power Retrofit Installation & User Manual (UM486527803)
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Rev. F
16
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The fan is turned off when input voltage is abnormal such as very low or high input voltage.
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The fan starts at half speed when the rectifier starts up.
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A fan failure is detected and reported to the Controller. In addition, the fault indicator (red) on the
Rectifier front panel will flash and the Rectifier will also inhibit its output.
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Full fan speed is customer selectable via the Controller.
Active Load Sharing (Rectifier): Each Rectifier uses advanced digital active load sharing technology that
maintains balancing to within ±1.5A. The difference in the average current between Rectifiers is <±1.5A for loads
in the 10 to 100% range.
Load Sharing (via system MCA): The MCA load sharing feature automatically balances the load. If the MCA's
load sharing feature is disabled for any reason, pre-programmed slope control in each PCU or Retrofit balances
the load. The MCA's load sharing feature is disabled whenever the system is in current limit, the system is
delivering more than 97% capacity, or the system is delivering less than 3% capacity.
NOTE!
For optimal load sharing between the V200 Retrofits and legacy V200 PCUs, MCA version 4.2.0
or newer is required. With earlier MCA versions, system functionality is maintained; however, load
sharing will not be proportional.
Communication Failure: A rectifier’s protection indicator (yellow) will begin flashing should it experience a
communication failure. The failure information will be reported to the Controller and the Controller will process
the failure accordingly. During a communication failure, in order to protect the battery, rectifier output voltage
will automatically adjusted to a default value of 53.5 V. The rectifier will revert to normal operation once normal
communication is restored.
Imbalance of Rectifier Output Current: When the output current of a rectifier in a DC power system is
unbalanced, the rectifier having the unbalanced output current will be identified automatically and its
protection indicator (yellow) will illuminate.
The failure information will be reported to the Controller and the Controller will process the failure
accordingly.
Paralleling: A Power System equipped with V200 Retrofits may be connected in parallel with any rectifier of the
same polarity and adjusted to the same output voltage.
Weight: 58 Lbs. (Mounting Frame with Three Rectifiers)
INSTALLATION
Safety Statement
DANGER!
INSTALLERS MUST FOLLOW APPROVED SAFETY PROCEDURES.
Hazardous AC and DC power sources are connected to, and are present within, the Power System.
Following this installation procedure will minimize the possibility of personal injury or equipment damage.
Refer to the documentation provided with your Power System for any installation or maintenance
procedures beyond the scope of this upgrade procedure.
