TP-7070 7/1818 Section 1 Specifications and Features
1.3.3 Optional Keyswitch and Manual
Start/Stop Button
Some controllers are equipped with the optional
keyswitch and manual start/stop button shown in
Figure 1-4. See Figure 1-1 for the locations on the
controller assembly.
Figure 1-4 Optional Keyswitch and Manual
Start/Stop Button
Keyswitch. The keyswitch disables the mode
pushbutton on the controller touchscreen. The
touchscreen will display the operation mode, but the
mode cannot be changed using the touchscreen if the
controller is equipped with the keyswitch. The keyswitch
positions are described in Figure 1-5. See Section 2.5
for more information on controller operation modes.
Manual Start/Stop Button. When the keyswitch is in
the Manual position, pressing the Start/Stop button will
start and stop the generator set.
Note: Pressing the manual stop button shuts down the
generator set immediately, without running the
engine cooldown cycle. Running the generator
set without load for 5 minutes before stopping
manually is recommended.
Position Description
Manual Allows generator set start and stop using
the manual pushbutton.
Off Places the generator set in OFF/Out of
Service mode. The generator set will not
start, even if a remote start command is
received or the Start button is pressed.
Auto Automatic operation allows a remote
switch or automatic transfer switch to start
and stop the generator set.
Figure 1-5 Keyswitch Positions
1.4 NFPA Requirements
In order to meet NFPA 110, Level 1 requirements, the
generator set controller monitors the engine/generator
functions and faults shown below.
Engine functions:
D Overcrank
D Low coolant temperature warning
D High coolant temperature warning
D High coolant temperature shutdown
D Low oil pressure shutdown
D Low oil pressure warning
D Overspeed
D Low fuel level *
D Low coolant level
D EPS supplying load
D High battery voltage
D Low battery voltage
D Air damper indicator
General functions:
D Master switch not in auto
D Battery charger fault *
D Lamp test
D Contacts for local and remote common alarm
D Audible alarm silence switch
D Remote emergency stop
* Function requires optional input sensors or kits.
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