TP-6714 4/10122 Section 8 Accessories
8.14 Logic Disconnect Switch
Accidental starting.
Can cause severe injury or death.
Disconnect the battery cables before
working on the generator set.
Remove the negative (--) lead first
when disconnecting the battery.
Reconnect the negative (--) lead last
when reconnecting the battery.
WARNING
Disabling the generator set. Accidental starting can
cause severe injury or death. Before working on the
generator set or connected equipment, disable the generator
set as follows: (1) Move the generator set master switch to the
OFF position. (2) Disconnect the power to the battery
charger. (3) Remove the battery cables, negative (--) lead
first. Reconnect the negative (--) lead last when reconnecting
the battery. Follow these precautions to prevent starting of the
generator set by an automatic transfer switch, remote
start/stop switch, or engine start command from a remote
computer.
The logic disconnect switch allows disconnection of the
power to the controller during maintenance and service.
The switch has two positions, auto and disconnect. The
disconnect position disconnects the voltage sensing
leads for normal and emergency (A, B, C, N) and the
engine start signal.
Note: Disable the generator set before using the logic
disconnect switch to disconnect power to the ATS
controls.
Disconnecting power to the controls will cause the ATS
to signal the generator set to start. Prevent the
generator set from starting by moving the generator set
master switch to OFF and disconnecting the battery
charger and battery. Refer to the generator set
operation manual for specific instructions.
The logic disconnect switch is not available for service
entrance models, which are equipped with a control
circuit isolation switch as standard equipment.
8.15 Monitoring Program
Monitor III software allows power system monitoring
and control using a personal computer connected to the
controller through RS-485 connections or through a
building’s ethernet network. Refer to the Operation
Manual provided with the software for instructions.
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