Using the Gauges Key
The GAUGES key allows the operator to view the unit gauges. To access the GAUGES menu press the GAUGES key.
The first gauge display will appear. Press the NEXT and BACK keys to scroll through the gauges. The Battery Voltage Gauge is shown ( Next, Back, Lock Keys). Press the LOCK key to lock the selected gauge on the display.
The gauges and I/O conditions available are shown below. The order in which the gauges appear may vary slightly based on software revision. Not all gauges 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 as OK or LOW.
Engine Oil Pressure: Displays the engine oil pressure as OK or LOW.
Engine Oil Level: 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.
Engine RPM: Displays the engine speed in RPMs.
Discharge Pressure: Displays the unit discharge pressure.
Suction Pressure: Displays the unit suction pressure.
ETV Position: Displays the current position of the ETV valve. ETV units only.
Compressor Temperature: Displays the temperature sensed by the compressor temperature sensor. Scroll compressor only.
I/O (Input/Output State): Displays the current state of the input/output devices (ON or OFF) listed here:
| High Speed Relay/Electric Heat | Hot Gas Solenoid | Condenser Inlet Solenoid |
| Run Relay | Alternator Frequency | Drain Hose Heater |
| Run Relay Feedback | Diesel/Electric Relay (Model 50 units only) | Purge Valve |
| Alternator Excite Output | Electric Ready Input (Model 50 units only) | |
| Defrost Damper | Electric Overload (Model 50 units only) |