
Operating Instructions
48
Using the Gauges Key
The GAUGES Key allows the operator to view
the unit gauges. If the function of this key has
been reassigned, the GAUGES Menu is also
available in the Maintenance Menu.
To access the GAUGES Menu, press the
GAUGES Key (Figure 70).
Figure 70: Gauges Key
The first gauge display will appear. Press the
NEXT and BACK Keys to scroll through the
gauges. Pressing the LOCK Key will lock the
current gauge on the display (Figure 71).
Figure 71: Gauge Display Locked
The gauges and I/O conditions available are
shown on the next page. Not all gauges or I/O
conditions may appear depending on unit
configuration and software revision.
To return to the Standard Display press the EXIT
Key.
Gauges Available
Coolant Temperature:
Displays the temperature of
the engine coolant.
Coolant Level:
Displays the coolant level in the
overflow tank.
Engine Oil Pressure:
Displays the engine oil
pressure as OK or LOW.
Engine Oil Level Switch:
Displays the engine oil
level as OK or LOW.
Amps:
Displays the current flow in amps flowing
to or from the unit battery
Battery Voltage:
Displays the voltage of the unit
battery.
Accessory Battery Voltage:
Displays the voltage at
the alternator.
Engine RPM:
Displays the engine speed in RPMs.
Fuel Level Sensor:
Displays the fuel level if a fuel
level sensor is installed.
Discharge Pressure:
Displays the unit discharge
pressure. (ETV units only)
Suction Pressure:
Displays the unit suction
pressure. (ETV units only)
ETV Position:
Displays the current position of the
ETV valve. (ETV equipped units only)
Fresh Air Exchange:
Displays the current position
of the optional Fresh Air Exchange Door
I/O (Input/Output State):
Displays the current state
of the input/output devices listed here:
ON
OFF
MENU
35
°F
35
SET
SENSORS
GAUGES
POINT
.8
ON
OFF
BATTERY VOLTAGE
13.
8
NEXT
EXIT
LOCK
BACK
v
• High Speed
Relay/Electric Heat
• Spare Analog Input 2
• Run Relay
• Spare Output 1
• Run Relay Feedback
• Spare Output 2
• Alternator Excite
Output
• Spare Output 3
• Defrost Damper
• Spare Output 4
• Heat Output
• Spare Output 5
• Motor RPM
• Fresh Air Exchange
Output
• Spare Digital Input 1
• Fresh Air Exchange
Feedback
• Spare Digital Input 2
• Diesel/Electric Relay
(SmartPower units only)
• Spare Digital Input 3
• Electric Ready Input
(SmartPower units only)
• Spare Digital Input 4
• Electric overload
(SmartPower units only)
• Spare Analog Input 1
• Hot Gas Bypass (ETV
units only)