If this is a new RV, you will want to run the furnace at home with the windows open to burn off the contaminants that result from manufacturing. ( 30 mins or so). Also if the furnace has not been run for a while, Light to stove top to make sure propane line is purged. Be aware that it make take several tries to get it to fire is not used for a while. Don't forget to turn on the gas. Check the propane levels every few days. The furnace will use propane quicker than you think, If leaving the water system winterized ( water heater empty) make sure no one turns the water heater on.
2015 Freedom Express 248RBS
TV 2015 Silverado HD2500 Duramax
TST Tire Monitors
Honda 2000I + Companion
2 65W solar panels