Owner’s Manual 7The TEMP SET button [2] controls the temperature adjustmentof the freezer and the fresh food compartment. The temperatureadjustment that you select does not change if the mode ofoperation of the refrigerator changes.- Push the TEMP SET button and the temperature setting “1-9” appears in the center display [3].- Push and hold the TEMP SET button and the temperaturesetting changes.- When the desired temperature setting shows, releasethe TEMP SET button.- The temperature setting shows for ten seconds andthen the current operation mode of the refrigeratorshows.- The number “9” is the coldest temperature setting.The MODE button [4] controls the operation mode of therefrigerator.- Push and hold the MODE button and a light bar shows inthe center display beside each of the four operating modesof the refrigerator, one at a time.- There is one automatic mode of operation and twomanual modes of operation.NOTE: On model N510.3, there are three manual modesof operstion.- When the light bar shows beside the mode of opera-tion that you choose, release the MODE button tooperate the refrigerator in that mode.Automatic mode operation:When the refrigerator is in AUTO mode, it automatically uses themost efficient energy source that is available for operation.During operation, if a more efficient energy source becomesavailable, the refrigerator controls change from the currentenergy source to the more efficient energy source as follows:- The first choice is AC operation if 120 volts AC is available tothe refrigerator.- The second choice is propane gas operation if 120 volts ACis not available to the refrigerator.- The third choice is DC operation (on model N510.3 only) ifneither 120 volts AC nor propane gas is available to therefrigerator.Removing air from the propane gas supply lines:For safety reasons, the burner is made to ignite on propane gaswithin a specified amount of time. When starting the refrigeratorfor the first time, after storage, or after replacing propane gastank, the propane gas supply lines can have air in them. Due tothe air in the gas supply lines, the burner may not ignite onpropane gas within the specified amount of time.To remove the air from the propane gas supply lines:- Make sure that all of the gas valves are open.- Push the ON / OFF button to turn the refrigerator on.- Push and hold the MODE button until the light bar besideLP GAS shows.- This means that the refrigerator is operating onpropane gas.- If the air in the propane gas supply lines prevents theburner from ignition on propane gas, the fault code “F”will appear in the center display.- Push the MODE button and the refrigerator will start a30 second trial for ignition.- During the 30 second trial for ignition, the refrigera-tor controls open the gas safety valve and theigniter sparks.- After 30 seconds, the refrigerator controls closesthe gas safety valve and the igniter stops sparking.- When the light bar beside the LP GAS [6] shows and nofault code remains, this means that the refrigerator isoperating on propane gas.- At this time, all of the air is removed from the propanegas supply lines and you may select AUTO mode ofoperation if you wish.- Depending on how much air may be in the propane gassupply lines, you may need to repeat the 30 second trial forignition two or three times.- If the burner does not ignite on propane gas after two orthree attempts, stop and consult your local dealer or anauthorized Norcold Service Center.Set the controls to automatic mode operation:- Push the ON / OFF button to turn the refrigerator on.- Push and hold the MODE button until the light bar showsbeside AUTO [3] and then release.