4-1Caravan Equipment 44.1 THE TRUMA ULTRASTORE WATER HEATEROperating Instructions4.1.1 Filling the Truma Ultrastore with water● Check that the safety/drain valve in the cold water intake is closed. The yellow lever should be in thehorizontal position, position (e).● Open the hot tap in bathroom or kitchen with pre-selecting mixing taps or single lever fittings set tohot.● Switch on power for water pump (main switch or pump switch). Leave the tap open to let air escapewhile the water heater is filling. The heater is filled when water flows out of the tap in a continuousstream.Residues of frozen water can prevent filling if there is a frost. The water heater can be defrosted byswitching on the heater on gas only for a short period (max. 2 mins). Frozen pipes can be defrosted byheating the room.▲ Do not operate the Water Heater on 230V without it being full of water.
