Operating Instructions
72
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:
• High Speed
Relay/Electric Heat
• Spare Output 1
• Run Relay
• Spare Output 2
• Run Relay Feedback
• Spare Output 3
• Alternator Excite
Output
• Spare Output 4
• Defrost Damper
• Spare Output 5
• Heat Output
• Fresh Air Exchange
Output
• Motor RPM
• Fresh Air Exchange
Feedback
• Spare Digital Input 1
• Diesel/Electric Relay
(SmartPower units only)
• Spare Digital Input 2
• Electric Ready Input
(SmartPower units only)
