
UPS MKD 1500 RT
Installation and Connection of the UPS
MKD series
43
6.3
Connection Sequence
Connect the UPS with the mains, and make sure the mains and the
UPS are shut off during the process.
Before the loads are connected on the output, the basic configuration
must be set.
Connect the load(s) with the UPS. Make sure that all loads are
switched off.
6.3.1
Assignment of the DRY-IN and DRY-OUT connections
The table below shows the options for the potential-free output and input con-
tacts.
Potential-free
output signal
Description
Common alarm
Is activated upon warning
Battery mode
Is activated during UPS battery mode.
Battery level low
Is activated with the battery level alarm.
UPS OK
Is activated when the UPS is functioning without
alarms and errors.
Bridging mode
Is activated in bridging mode.
Potential-free
input signal
See chapter
3.2.2 EPO connection.
Deactivate
Deactivate function.
UPS On
Activation by second pulse; if activated, the UPS
switches on during operation without solar in-
verter. This is the same as a remote switch for
controlling the UPS status.
UPS Off
Activation by second pulse; if activated, the UPS
switches off during operation with solar inverter.
This is the same as a remote switch for control-
ling the UPS status.
Bridging mode
Activation by second pulse; if activated, the UPS
switches over to bridging mode. To return to
normal mode, deactivate the signal and then
manually switch on the UPS.