Critical Power
Modifications reserved
Page 140/146
GE_UPS_OPM_TLE_SCE_M60_M80_1GB_V020.docx
User Manual
TLE Series 600 & 800 CE S1
9.2.6
X1 terminal block - AUX external Maintenance Bypass
If the UPS system is equipped with an external
Maintenance Bypass Switch
, it is possible to connect a
NO
(Normally Open) voltage-free aux. contact from the
External Bypass Switch
to the programmable input
X1 / 10, 21
, making the UPS operate as if the internal switch
Q2
(only if provided by customer) has closed.
This function can be activated by changing a dedicated parameter (password required).
When this
NO
(Normally Open) contact closes, the output
Inverter Contactor
K7
it is automatically
opened and the
Load
transfer back to
Inverter
will be inhibited.
In a Parallel System, the input on the Customer Interface of each unit must be
connected to a separate AUX contact of the External Maintenance Bypass Switch.
9.2.7
X1 terminal block - eBoost/IEMi control signal
The UPS operation in either
eBoost
or
IEMi
operating modes can be controlled via an
NO (Normally Open)
contact by installing the “
eBoost/IEMi CONTROL
” signal, routed to the programmable function contacts
(see
Section 9.2.3)
.
When this contact closes,
eBoost
or
IEMi
operation mode is inhibited.
The Parameter for the activation of such function is password protected.
Call the nearest
Service Centre
for its activation.
This function is particularly useful for controlling
eBoost
or
IEMi
operation following critical conditions on
either the load side or the input utility, including generator operation when the “
GENERATOR ON
” signal
has not been installed.
When using the “eBoost/IEMi control” function on the programmable user relays of
the Customer Interface X1 terminals in a Parallel System, a separate NO (Normally
Open) contact must be connected to each individual unit.
