NetSure
™
Control Unit (NCU)
User Manual, UM1M830BNA
Spec. No: 1M830BNA, 1M830DNA Code: UM1M830BNA
Model No: M830B, M830D Revision M, May 12, 2017
Figure 5. Power Split Feature
DIESEL MANAGEMENT FEATURE
The Diesel Management feature is available when an SM-AC
supervisory module is connected to the NCU. The Diesel
Management feature consists of a Diesel Test. The Diesel Test can
be performed at specific intervals or a User can manually start the
Diesel Test. The NCU records the test results.
SUPERVISORY MODULE (SM MODULES) MONITORING
Various devices (supervisory modules) can be connected to the
NCU to extend its monitoring capabilities.
HYBRID CONTROL FUNCTION (SUPPORTING GENERATOR,
SOLAR AND WIND ENERGY INPUT, AND OPTIMIZATION)
Hybrid Control is designed for use in new installations or as an
upgrade of existing sites powered by a diesel generator(s) when
grid power is not available. The Hybrid control is also applicable to
sites with highly unreliable or frequently unavailable grid power
connection. The primary power source is still considered to be the
diesel generator(s). Since grid power is always given priority, the
primary power source is still considered to be the grid power.
NOTE: The Hybrid Control function requires a specific
configuration. Hybrid Control menus will not normally be
displayed unless your NCU has been configured by Vertiv for
this function. Contact Vertiv for a Hybrid Control
configuration.
General
Hybrid Control allows the option of selecting one of the following:
Fixed Daily Time based operation or Capacity Discharge based
operation.
Fixed Daily Time based operation is intended to be used with a
combination of AC powered active cooling (air conditioners) and
DC powered cooling (heat exchangers, etc.). The cycle period is
synchronized to the 24hrs day-night cycle. It makes optimum use
of the different temperature conditions during the day and the
night in order to facilitate Hybrid fuel saving operation.
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