Controller Power - Lennox RGEN12 Operation Manual

Control or Indicator Item
LED display Runtime hours
Metering
display
Crank indication Displays CC_1, CC_2, or CC_3 to indicate the first, second, or third attempt to
Software
version number
Fault codes
Keypad Select and
arrow buttons
Generator set master Three-position
switch switch
Figure 2-2 Controls and Indicators
2.3.2 Controller Keypad
The three buttons on the controller keypad are Select,
Up, and Down.
When the generator set is running, the up and down
arrow buttons can be used to step through system data
displays as shown in Figure 2-3. After 10 seconds, the
display returns to engine runtime hours.
Engine Runtime
XXX.X hours
Output Voltage
Output Frequency
Battery Voltage
1. Generator set master switch in AUTO
2. Step through using up or down arrow buttons
3. After 10 seconds, display returns to runtime hours
Figure 2-3 Data Displays
XP-6515 4/09
Description
Displays total generator set runtime hours while the generator set is running and
when no other codes are displayed.
Displays AC voltage (output), frequency, and battery voltage. Press the up or
down arrow when runtime hours are displayed to step through these displays.
start the engine. The last digit flashes during the crank cycle rest periods.
The software version number (v#.##) is displayed when entering configuration
mode. See the installation manual.
Flashes a 2- or 3-letter fault code to indicate various fault conditions. See
Section 2.6.
Use the arrow buttons to step through the data displays. See Figure 2-3.
The keypad is also used for controller setup and adjustment. The setup and
adjustment functions are password-protected. Have setup and adjustments
performed only by a Lennox dealer.
Switch functions as the generator set operation and controller reset switch.
VAC
Hz
VDC
The buttons on the controller keypad are also used for
system configuration and adjustment.
configuration is factory-set and should not require
changes under normal operating conditions. Contact a
Lennox dealer or service technician if adjustments are
required.
2.3.3 Generator Set Master Switch
The generator set master switch is located on the
junction box below the user interface. The master
switch positions are RUN, OFF/RESET, and AUTO.
See Section 2.5 for operation instructions.

2.4 Controller Power

The controller is powered by the generator set engine
starting battery.
Note: The generator sets are equipped with factory-
installed battery chargers to prevent battery
discharge.
connected to utility power.
2.4.1 Standby Mode
When the generator set master switch is in the AUTO
tp6515
position and the engine is not running, the controller is in
standby mode. Engine runtime hours are shown on the
display. A remote start signal (contact closure) will start
and run the generator set.
The controller can be set to go into sleep mode if there is
no start signal for 48 hours.
The system
The battery charger must be
Section 2 Operation 13