Procom ECON-A-4C Operating Instructions Manual page 22

Mains Over Econ-A can protect contactors from
Load mains over load. If this setting is
enabled than the mains contactor
shall drop after the mains current
crosses the set limit for a
programmed duration
Mains O/L The monitoring duration for the
Delay above parameter before the fault is
triggered.
Contactor In case of the unit placed under
Protection manual mode of tripped due to a fault
condition and the mains voltage falls
below the safe limit of the contactor,
the contactor burns after chattering.
This can be avoided by enabling this
protection. If enabled the mains
contactor shall drop if the mains
voltage becomes unhealthy and the
contactor will again engage after the
mains voltage turns healthy
Mains Fail Some application require the
generator to start on failure of one or
more phases
Other wants all the 3 phases to
1/3
become unhealthy before starting the
generator
ECON-A can handle both situations
GCB to User programmable delay when the
MCB Delay load is transferred from Generator to
Mains.
Recool The time for which generator is
Time allowed to run on no load before
switching off
Operating Instructions
Disable Disable*
2-9999Amps
5 Sec 1-999 Sec
Disable Disable /
Enable
Any Any Phase
Phase Fail/
Fail All Phase
Fail
2 Sec 1-10 Sec
30 Sec 0-999Sec
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