Technical information

52
Chapter 4 CARAVAN EQUIPMENT
THE TRUMA ULTRASTORE WATER HEATER
Operating Instructions
Filling the Truma Ultrastore with water
i. Check that the safety/drain valve in the cold water intake is closed.
Lever should be in the horizontal position, position (e).
ii. Open the hot tap in bathroom or kitchen with pre-selecting mixing
taps or single lever fittings set to hot.
iii. Switch on power for water pump (main switch or pump switch). Leave
the tap open to let air escape while the water heater is filling. The
heater is filled when water flows out of the tap.
Residues of frozen water can prevent filling if there is a frost. The water
heater can be defrosted by switching on the heater for a short period (max.
2mins). Frozen pipes can be defrosted by heating the room.
Gas operating instructions
Attention: Never operate the water heater without water in it!
i. Remove exterior cowl cover.
ii. Open gas cylinder and open quick-acting valve in the gas supply line.
iii. Select required water temperature at rotary knob (b) infinitely variable
from approx. 30
o
to 70
o
.
iv. Switch on water heater at the side switch (a) on the control panel
green indicator lamp “Operational” lights up.
v. If there is air in the gas supply line, it may take up to a minute before
the gas is available for combustion. If the appliance switches to failure
during this period, switch off the appliance - wait 5 minutes - and
switch on again!