Owner’s Manual 7Operating the Refrigerator ControlsAC Operation 120 volts AC (108 volts min.-132 volts max.)Propane gas operation: Propane gas (11 inches water column pressure)12 volts DC - control voltage (10.5 volts min. - 15.4 volts max.)The refrigerator operates on these energy sources. Operation out of these limits can damage the refrigerator electrical componentsand will void the warranty.Control panel:The refrigerator control panel (See Art01333) isbetween the freezer compartment and the freshfood compartment. To maintain the operatingcontrol functions of the refrigerator, a 12 voltDC power supply is necessary. The refrigeratorreceives DC power from the 12 volt system of thevehicle; either an auxillary battery, a converter, orthe vehicle engine battery.The ON / OFF button [30] starts and shuts downthe refrigerator:- To turn on the refrigerator, push and release the ON / OFF button.- To turn off the refrigerator, push the ON / OFF button for one second and then release.The SET TEMP button [32] controls the temperature adjustment of the freezer and the fresh food compartment. The temperatureadjustment that you select does not change if the operation mode of the refrigerator changes.- Push the SET TEMP button and the temperature setting (the numbers “1-9”) show in the center display [33].- The number “9” is the coldest temperature setting.- Push and hold the SET TEMP button and the temperature setting changes.- Release the SET TEMP button when the temperature setting that you wish appears.- After ten seconds, the temperature setting will go out and only a green power ON light remains.Art01851 1421 COLD-9 COLDEST SET TEMP MODE ON / OFFon303233Art0133331Temperature switch monitor:The refrigerator is equipped with a temperature switch [142] for overheating protection(See Art01851) . A Norcold authorized service technician can determine if this switchhas been triggered.